HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from St. Louis (STL) to Toronto (YTO) from $115

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — YTO
May 19 — May 261
From?
To?
Sun 5/19
Sun 5/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

The best prices from Lambert-St Louis to Toronto are usually found in March or April, booked 80 days in advance, depart on a Sunday or Thursday and return on a Friday

Cheap flight deals from St. Louis to Toronto

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Toronto (YTO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 14, 2024.

Popular in

February

Cheapest in

March

Average price

$262

Round-trip from

$248
High demand for flights, 44% potential price rise
Search Deals
Best time to find cheap flights, 41% potential price drop
Search Deals
Average for round-trip flights in May 2024
Search Deals
From Lambert-St Louis to Toronto (YTO)
Search Deals

What is the cheapest day to fly round-trip from St. Louis to Toronto?

Users have found that leaving on a Saturday can be a cost-effective option. It’s possible to save up to 112% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from St. Louis to Toronto?

To save up to 128% on this flight, we recommend booking at least 24 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from St. Louis to Toronto from $259 1-2 weeks out and tickets from $473 for flights departing within the next 72 hours.

What is the cheapest month to fly from St. Louis to Toronto?

March can be a great time to fly to Toronto from St. Louis with a flight ticket averaging about $364. Cheapflights users have found deals in the month of March for as cheap as $176. The most expensive prices can be found in the month of February.

When is the cheapest time to fly from St. Louis to Toronto (STL - YTO)?

It’s typically best to fly out from St. Louis to Toronto at noon. Doing so could potentially save you 40% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap Delta flights from St. Louis to Toronto

Explore cheap flight options specifically provided by Delta for the route between St. Louis and Toronto. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,632,958 searches. Data last updated May 14, 2024.
Take a peek at the cheapest Delta flights we've detected traveling from St. Louis to Toronto. Make sure to double check the flight details before booking.
Sat 6/86:05 amSTL - YYZ
1 stop9h 49mDelta
Tue 6/1110:15 amYYZ - STL
1 stop8h 56mDelta
Deal found 5/12$455
Fri 8/233:30 pmSTL - YYZ
1 stop6h 44mDelta
Sun 8/256:15 amYYZ - STL
1 stop4h 15mDelta
Deal found 5/12$467
Sat 6/87:15 amSTL - YYZ
1 stop8h 39mDelta
Tue 6/115:58 pmYYZ - STL
1 stop3h 39mDelta
Deal found 5/13$468
Mon 6/104:02 pmSTL - YYZ
1 stop4h 57mDelta
Wed 6/1210:15 amYYZ - STL
2 stops11h 22mDelta
Deal found 5/13$514
Thu 6/66:11 amSTL - YYZ
1 stop4h 28mDelta
Wed 6/1210:15 amYYZ - STL
2 stops11h 22mDelta
Deal found 5/13$559
Wed 8/710:10 amSTL - YYZ
2 stops11h 35mDelta
Mon 8/125:45 pmYYZ - STL
1 stop3h 47mDelta
Deal found 5/14$567
Wed 5/226:11 amSTL - YYZ
1 stop4h 28mDelta
Wed 5/297:59 amYYZ - STL
2 stops10h 23mDelta
Deal found 5/14$816
Wed 5/226:11 amSTL - YYZ
1 stop4h 28mDelta
Sun 5/267:59 amYYZ - STL
2 stops9h 37mDelta
Deal found 5/13$900
Sun 6/236:06 amSTL - YYZ
1 stop4h 32mDelta
Thu 6/275:58 pmYYZ - STL
2 stops6h 45mDelta
Deal found 5/13$937

Cheap Air Canada flights from St. Louis to Toronto

Explore cheap flight options specifically provided by Air Canada for the route between St. Louis and Toronto. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,632,958 searches. Data last updated May 14, 2024.
Take a gander at the lowest prices we've found on Air Canada flights from St. Louis to Toronto. Ensure the flight price, dates, time, and airline match your criteria before you book.
Wed 8/710:10 amSTL - YYZ
Nonstop1h 59mAir Canada
Mon 8/126:55 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/13$443
Sat 6/224:05 pmSTL - YYZ
Nonstop1h 59mAir Canada
Tue 7/22:15 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/13$454
Wed 9/119:30 amSTL - YYZ
1 stop5h 13mAir Canada
Sat 9/143:00 pmYYZ - STL
1 stop7h 05mAir Canada
Deal found 5/13$457
Sun 6/2311:00 amSTL - YYZ
Nonstop1h 59mAir Canada
Wed 6/2611:00 amYYZ - STL
1 stop5h 41mAir Canada
Deal found 5/13$458
Wed 5/229:50 amSTL - YYZ
Nonstop2h 01mAir Canada
Wed 5/295:00 pmYYZ - STL
1 stop5h 05mAir Canada
Deal found 5/14$534
Sat 6/85:31 pmSTL - YYZ
1 stop5h 27mAir Canada
Tue 6/112:15 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/12$541
Thu 6/66:30 amSTL - YYZ
1 stop4h 22mAir Canada
Wed 6/122:15 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/13$550
Fri 6/2111:00 amSTL - YYZ
Nonstop1h 59mAir Canada
Mon 6/246:55 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/13$574
Sat 5/2510:15 amSTL - YYZ
1 stop4h 28mAir Canada
Sun 5/266:55 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/13$624

Cheap St. Louis to Toronto flights in May & June 2024

Find cheap flight options from St. Louis to Toronto specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,632,958 searches. Prices were last updated on May 14, 2024.
Check out some of the best flight deals from St. Louis to Toronto in 2024. Check back regularly for other flight deals.
Thu 6/137:45 amSTL - YYZ
2 stops10h 50mMultiple Airlines
Sat 6/156:30 amYYZ - STL
1 stop11h 58mMultiple Airlines
Deal found 5/13$282
Tue 6/42:35 pmSTL - YYZ
1 stop7h 51mMultiple Airlines
Sat 6/86:30 amYYZ - STL
1 stop11h 58mMultiple Airlines
Deal found 5/13$284
Tue 6/47:45 amSTL - YYZ
2 stops10h 50mMultiple Airlines
Sat 6/86:30 amYYZ - STL
1 stop11h 58mMultiple Airlines
Deal found 5/13$287
Thu 6/138:12 pmSTL - YYZ
1 stop17h 16mMultiple Airlines
Sat 6/156:30 amYYZ - STL
1 stop11h 58mMultiple Airlines
Deal found 5/13$289
Sat 6/2211:34 amSTL - YYZ
1 stop11h 28mMultiple Airlines
Tue 6/256:30 amYYZ - STL
1 stop8h 53mMultiple Airlines
Deal found 5/13$318
Fri 6/76:10 pmSTL - YYZ
2 stops24h 25mMultiple Airlines
Sun 6/166:30 amYYZ - STL
1 stop11h 02mMultiple Airlines
Deal found 5/13$344
Mon 6/102:41 pmSTL - YYZ
2 stops27h 54mMultiple Airlines
Sun 6/166:30 amYYZ - STL
1 stop11h 02mMultiple Airlines
Deal found 5/13$355
Fri 6/217:30 pmSTL - YYZ
2 stops23h 05mMultiple Airlines
Mon 6/244:00 pmYYZ - STL
3 stops23h 23mMultiple Airlines
Deal found 5/13$367
Mon 6/102:41 pmSTL - YYZ
2 stops27h 54mMultiple Airlines
Wed 6/126:30 amYYZ - STL
3 stops37h 52mMultiple Airlines
Deal found 5/14$370

St. Louis to Toronto 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Toronto in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,632,958 searches. Data last updated May 14, 2024.
Check out some of the best flight deals from St. Louis to Toronto in 2024. Check back regularly for other flight deals.
Thu 6/137:45 amSTL - YYZ
2 stops10h 50mMultiple Airlines
Sat 6/156:30 amYYZ - STL
1 stop11h 58mMultiple Airlines
Deal found 5/13$282
Tue 6/42:35 pmSTL - YYZ
1 stop7h 51mMultiple Airlines
Sat 6/86:30 amYYZ - STL
1 stop11h 58mMultiple Airlines
Deal found 5/13$284
Tue 6/47:45 amSTL - YYZ
2 stops10h 50mMultiple Airlines
Sat 6/86:30 amYYZ - STL
1 stop11h 58mMultiple Airlines
Deal found 5/13$287
Thu 6/138:12 pmSTL - YYZ
1 stop17h 16mMultiple Airlines
Sat 6/156:30 amYYZ - STL
1 stop11h 58mMultiple Airlines
Deal found 5/13$289
Sat 6/2211:34 amSTL - YYZ
1 stop11h 28mMultiple Airlines
Tue 6/256:30 amYYZ - STL
1 stop8h 53mMultiple Airlines
Deal found 5/13$318
Fri 6/76:10 pmSTL - YYZ
2 stops24h 25mMultiple Airlines
Sun 6/166:30 amYYZ - STL
1 stop11h 02mMultiple Airlines
Deal found 5/13$344
Mon 6/102:41 pmSTL - YYZ
2 stops27h 54mMultiple Airlines
Sun 6/166:30 amYYZ - STL
1 stop11h 02mMultiple Airlines
Deal found 5/13$355
Fri 6/217:30 pmSTL - YYZ
2 stops23h 05mMultiple Airlines
Mon 6/244:00 pmYYZ - STL
3 stops23h 23mMultiple Airlines
Deal found 5/13$367
Mon 6/102:41 pmSTL - YYZ
2 stops27h 54mMultiple Airlines
Wed 6/126:30 amYYZ - STL
3 stops37h 52mMultiple Airlines
Deal found 5/14$370

Non-stop flights to Toronto from St. Louis

Discover non-stop flight options from St. Louis to Toronto. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,632,958 searches. Data last updated May 14, 2024.
Take a look at some of the direct flights traveling from St. Louis to Toronto in the near future. Select from other flights from St. Louis to Toronto by using the search form above.
Sun 6/2311:00 amSTL - YYZ
Nonstop1h 59mMultiple Airlines
Wed 6/262:15 pmYYZ - STL
Nonstop2h 06mMultiple Airlines
Deal found 5/13$443
Sat 6/224:05 pmSTL - YYZ
Nonstop1h 59mUnited Airlines
Tue 7/22:15 pmYYZ - STL
Nonstop2h 06mUnited Airlines
Deal found 5/13$453
Sat 6/224:05 pmSTL - YYZ
Nonstop1h 59mAir Canada
Tue 7/22:15 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/13$454
Mon 5/279:50 amSTL - YYZ
Nonstop2h 01mUnited Airlines
Wed 5/292:15 pmYYZ - STL
Nonstop2h 06mUnited Airlines
Deal found 5/13$497
Fri 8/234:05 pmSTL - YYZ
Nonstop1h 59mUnited Airlines
Sun 8/252:15 pmYYZ - STL
Nonstop2h 06mUnited Airlines
Deal found 5/12$508
Tue 6/119:50 amSTL - YYZ
Nonstop2h 01mAir Canada
Tue 6/182:15 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/14$509
Fri 6/2111:00 amSTL - YYZ
Nonstop1h 59mAir Canada
Tue 7/22:15 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/13$514
Fri 6/2111:00 amSTL - YYZ
Nonstop1h 59mAir Canada
Mon 6/246:55 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/13$574
Thu 6/139:50 amSTL - YYZ
Nonstop2h 01mAir Canada
Sun 6/162:15 pmYYZ - STL
Nonstop2h 06mAir Canada
Deal found 5/14$584

St. Louis to Toronto flights leaving soon

Find last-minute flight options from St. Louis to Toronto for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,632,958 searches. Data last updated May 14, 2024.
Consider one of these great deals we found on last-minute flights from St. Louis to Toronto. Users should examine the flight details to ensure there are no surprises.
Thu 5/237:45 amSTL - YYZ
2 stops10h 50mMultiple Airlines
Fri 5/248:15 pmYYZ - STL
1 stop15h 13mMultiple Airlines
Deal found 5/13$529
Wed 5/229:50 amSTL - YYZ
Nonstop2h 01mAir Canada
Wed 5/295:00 pmYYZ - STL
1 stop5h 05mAir Canada
Deal found 5/14$534
Thu 5/237:45 amSTL - YYZ
2 stops10h 50mMultiple Airlines
Sat 5/258:30 pmYYZ - STL
1 stop11h 38mMultiple Airlines
Deal found 5/13$536
Wed 5/226:40 amSTL - YYZ
1 stop7h 36mAmerican Airlines
Wed 5/293:45 pmYYZ - STL
1 stop8h 37mAmerican Airlines
Deal found 5/13$552
Thu 5/237:45 amSTL - YYZ
2 stops10h 50mMultiple Airlines
Sun 5/267:40 amYYZ - STL
1 stop12h 00mMultiple Airlines
Deal found 5/13$553
Fri 5/247:45 amSTL - YYZ
2 stops12h 12mMultiple Airlines
Mon 5/278:00 pmYYZ - STL
1 stop15h 13mMultiple Airlines
Deal found 5/13$557
Fri 5/246:11 amSTL - YYZ
1 stop11h 09mMultiple Airlines
Sun 5/267:40 amYYZ - STL
1 stop12h 00mMultiple Airlines
Deal found 5/13$569
Fri 5/247:45 amSTL - YYZ
2 stops12h 12mMultiple Airlines
Sat 5/258:30 pmYYZ - STL
1 stop11h 38mMultiple Airlines
Deal found 5/13$571
Fri 5/247:45 amSTL - YYZ
2 stops12h 12mMultiple Airlines
Sun 5/267:40 amYYZ - STL
1 stop12h 00mMultiple Airlines
Deal found 5/13$588

One-way flights to Toronto from St. Louis

Search for one-way flight options from St. Louis to Toronto. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,632,958 searches. Data last updated May 14, 2024.
If you're seeking multiple options on one-way flights from St. Louis to Toronto, be sure to check out these deals, which are updated often. Users needing a return flight from St. Louis to Toronto should utilize the search form above.
Wed 6/121:55 pmSTL - YYZ
1 stop15h 47mMultiple Airlines
Deal found 5/13$115
Tue 5/287:23 pmSTL - YYZ
1 stop10h 12mMultiple Airlines
Deal found 5/12$135
Tue 7/211:57 amSTL - YYZ
1 stop10h 19mMultiple Airlines
Deal found 5/13$142
Wed 6/121:55 pmSTL - YYZ
2 stops15h 17mMultiple Airlines
Deal found 5/13$166
Thu 7/116:19 pmSTL - YYZ
1 stop18h 41mMultiple Airlines
Deal found 5/13$172
Wed 7/104:02 pmSTL - YYZ
2 stops13h 40mMultiple Airlines
Deal found 5/13$175
Thu 7/1110:10 amSTL - YYZ
Nonstop1h 59mAir Canada
Deal found 5/13$197
Wed 7/103:18 pmSTL - YYZ
1 stop6h 02mAmerican Airlines
Deal found 5/13$205
Thu 7/115:26 pmSTL - YYZ
1 stop5h 31mDelta
Deal found 5/13$207

Find flights from St. Louis to Toronto within your budget

Customize your flight search to find flights from St. Louis to Toronto that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,632,958 searches. Data last updated May 14, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$282 - $496

Route

Depart

Return

Price

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 6/13

2 stops10h 50m

Toronto Pearson Intl

Sat 6/15

1 stop11h 58m

$282

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Tue 6/4

1 stop7h 51m

Toronto Pearson Intl

Sat 6/8

1 stop11h 58m

$284

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Tue 6/4

2 stops10h 50m

Toronto Pearson Intl

Sat 6/8

1 stop11h 58m

$287

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Thu 6/13

1 stop17h 16m

Toronto Pearson Intl

Sat 6/15

1 stop11h 58m

$289

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Wed 8/7

Nonstop1h 59m

Toronto Pearson Intl

Mon 8/12

Nonstop2h 06m

$443

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Sat 6/8

1 stop9h 49m

Toronto Pearson Intl

Tue 6/11

1 stop8h 56m

$455

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Sun 6/23

1 stop8h 44m

Toronto Pearson Intl

Wed 6/26

1 stop9h 18m

$464

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Sat 7/6

2 stops7h 11m

Toronto Pearson Intl

Sat 7/13

1 stop5h 45m

$477

Lambert-St LouisToronto Pearson Intl

STL - YYZ

STLYYZ

Lambert-St Louis

Sat 6/22

1 stop4h 32m

Toronto Pearson Intl

Tue 6/25

2 stops10h 55m

$496

Flights are sorted by cheapest first

Deals found on 5/13

When is the best time to book a flight from St. Louis to Toronto?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Toronto. Price data was last updated on May 10, 2024.
Booking 78 days in advance of your planned departure date is, on average, the best time to get cheap flights from St. Louis to Toronto. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Search Deals

When is the cheapest time to fly from St. Louis to Toronto?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Toronto. Price data was last updated on May 12, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Toronto flight should consider departing on Friday at noon when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Toronto by month

Plan your trip from St. Louis to Toronto by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Toronto is currently $168 while a round-trip flight costs $386. Price data was last updated on May 12, 2024.

Currently, January is the cheapest month in which you can book a flight from St. Louis to Toronto (average of $238). Flying from St. Louis to Toronto in July is currently the most expensive (average of $397). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$238

February

$264

March

$305

April

$313

May

$316

June

$354

July

$397

August

$373

September

$322

October

$306

November

$279

December

$272

Temperature and rainfall in Toronto by month

Plan your trip to Toronto by taking into account the average temperature and rainfall totals by month.

YTO

Temperature

21.2 - 69.8 °F

Reviews of airlines servicing Toronto

Get insights into the airlines that provide service to Toronto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Toronto. Reviews last updated May 14, 2024.
Read reviews from past customers who have flown Delta, Air Canada and United Airlines from St. Louis to Toronto. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,152 reviews
Check prices

Food

7.3

Overall

8.1

Comfort

7.9

Boarding

8.2

Crew

8.6

Entertainment

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Alaska Airlines
8.1
Very good
9,152 reviews
Alaska Airlines
8.1
Very good
9,152 reviews
Check prices

Food

7.3

Overall

8.1

Comfort

7.9

Boarding

8.2

Crew

8.6

Entertainment

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Delta
8.0
Very good
10,706 reviews
Alaska Airlines
8.1
Very good
9,152 reviews
Check prices

Food

7.3

Overall

8.1

Comfort

7.9

Boarding

8.2

Crew

8.6

Entertainment

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

WestJet
7.5
Good
2,925 reviews
Alaska Airlines
8.1
Very good
9,152 reviews
Check prices

Food

7.3

Overall

8.1

Comfort

7.9

Boarding

8.2

Crew

8.6

Entertainment

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

United Airlines
7.4
Good
10,980 reviews
Alaska Airlines
8.1
Very good
9,152 reviews
Check prices

Food

7.3

Overall

8.1

Comfort

7.9

Boarding

8.2

Crew

8.6

Entertainment

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

American Airlines
7.3
Good
14,575 reviews
Alaska Airlines
8.1
Very good
9,152 reviews
Check prices

Food

7.3

Overall

8.1

Comfort

7.9

Boarding

8.2

Crew

8.6

Entertainment

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Toronto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to Toronto?

    Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to Toronto. You should not have trouble finding flights to Toronto from Lambert-St Louis; the airport handles an average of 2 outbound flights to Toronto per day. You should also have plenty of airline options to choose from since 3 airlines have flights from the St. Louis airport to Toronto. It is only a 12.7 mi journey to Lambert-St Louis (STL) from St. Louis’s city center.

  • Can I find flights from St. Louis to Toronto for under $300 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Toronto for under $300. The cheapest flight booked recently is on Multiple Airlines for just $282, but on average you can expect to pay $359.

  • Are there nonstop flights from St. Louis to Toronto for under $500 on Cheapflights?

    Cheapflights has at least 20 direct flights from St. Louis to Toronto under $500. A good price for a nonstop flight from St. Louis to Toronto is less than $796.

  • Are there last-minute flights available from St. Louis to Toronto for under $600?

    There are currently 20+ open flights from St. Louis to Toronto within the next 7 days for less than $600.

  • What is the cheapest airline to fly from St. Louis to Toronto round-trip?

    Our cheapest airline available from St. Louis to Toronto is Air Canada. Our recent data shows that you can find tickets from as low as $443 on this airline.

  • What are the cheapest airlines to fly from St. Louis to Toronto one-way?

    $197 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on American Airlines and Delta, with prices starting from $205 and $207, respectively.

  • What are the most popular airlines that fly from St. Louis to Toronto?

    Consider American Airlines, Air Canada or United Airlines when booking your flight. These represent the most popular airlines when flying from St. Louis to Toronto.

  • What are the most reliable airlines from St. Louis to Toronto?

    Consider United Airlines (94%), Air Canada (89%) or Jazz (89%) when booking your flight. These represent the most reliable airlines when flying from St. Louis to Toronto.

  • What are the cheapest flights from St. Louis to Toronto?

    The cheapest flight price from St. Louis to Toronto is $262. On average you can expect to pay $2,157. The most popular route, (Lambert-St Louis - Toronto Pearson Intl), can usually be booked for $228.

  • What does STL to YYZ mean?

    Lambert-St Louis Airport is STL and Toronto Pearson Intl Airport is YYZ. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. Toronto Island Airport (YTZ), Hamilton Airport (YHM), Toronto Kitchener-Waterloo Airport (YKF) are other airports near this flight route and their unique identifiers/IATA codes.

  • Can I find deals for flights from St. Louis to Toronto that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Toronto flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Toronto with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Toronto flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from St. Louis to Toronto that include hotel bookings?

    Yes. In addition to deals on St. Louis to Toronto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Toronto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Toronto.

  • Can I find deals for business class flights from St. Louis to Toronto?

    Yes. Cheapflights offers flight deals from St. Louis to Toronto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from St. Louis to Toronto that allow pets onboard?

    Many airlines flying from St. Louis to Toronto offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Toronto?

    Yes, you can often find last-minute deals on St. Louis to Toronto flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Toronto flight deals updated?

    The St. Louis to Toronto flight deals you see on this page were last updated on 5/14.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for St. Louis to Toronto
See prices for flight routes from nearby airports that may be better suited for you.

St. Louis to Pearson Intl flights
St. Louis to Pierre Elliott Trudeau Intl flights
Kansas City to Pearson Intl flights
Kansas City to Pierre Elliott Trudeau Intl flights
Kansas City to Toronto Island flights
Springfield to Pierre Elliott Trudeau Intl flights
St. Louis to Ottawa flights
Columbia to Pearson Intl flights
Kansas City to Ottawa flights
Springfield to Pearson Intl flights
Joplin to Pearson Intl flights
Columbia to Pierre Elliott Trudeau Intl flights
Joplin to Pierre Elliott Trudeau Intl flights
Springfield to Toronto Island flights

Top 3 airlines flying from St. Louis to Toronto

Discover the top 3 airlines that operate flights from St. Louis to Toronto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,632,958 searches. Data last updated May 14, 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$188Average$287FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$228Average$560FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$288Average$551FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Los Angeles to Washington, D.C. flights
Los Angeles to Costa Rica flights
New York to San Diego flights
Las Vegas to Los Angeles flights
O'ahu to The Big Island flights
Chicago to Orlando flights
Philadelphia to Fort Lauderdale flights
New York to Toronto flights
New York to Amsterdam flights
Detroit to Hawaii flights
USA to Türkiye flights
St. Louis to Montreal Pierre Elliott Trudeau Intl Airport flights

Search flights from St. Louis to Toronto by cabin class

Find flights from St. Louis to Toronto, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Hourly flight availability from St. Louis to Toronto

Find hourly flight availability from St. Louis to Toronto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 14, 2024.
0%of flight departuresEarly morningMidnight to 6 am
50%of flight departuresMorning6 am to noon
50%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from St. Louis to Toronto

Explore weekly flight availability from St. Louis to Toronto. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 14, 2024.
Sunday2daily flights
Monday2daily flights
Tuesday2daily flights
Wednesday2daily flights
Thursday2daily flights
Friday2daily flights
Saturday2daily flights

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Montes Claros
Flights to Girona Costa Brava
Flights to Naxos
Flights to Bourgas
Flights to Hyannis Barnstable
Flights to Samos
Flights to Reggio Calabria Tito Menniti
Flights to Devils Lake
Flights to Ningbo Lishe Intl
Flights to Pellston Emmet County
Flights to Provincetown
Flights to Cortez Montezuma County
Flights to Ohrid
Flights to Oran Es Senia
Flights to Menorca/Mahon
Flights to Hakodate
Flights to Ordu/Giresun
Flights to Laayoune Hassan I
Flights to Cornwall Newquay
Flights to Melilla
Flights to Rennes St Jacques
Flights to Parikia Paros
Flights to Constanţa Mihail Kogalniceanu
Flights to Miyakojima Hirara

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Toronto?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Toronto from St. Louis today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Toronto?

Cheapflights simply makes it quick and affordable to book flights from St. Louis to Toronto by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from St. Louis to Toronto with no change fees?

Yes! Cheapflights helps users easily find flights from St. Louis to Toronto with no change fees.

Can Cheapflights notify me if prices for flights from St. Louis to Toronto become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Toronto from St. Louis today and book when prices fit your budget.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines