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Cheap flights from Seattle (SEA) to Kitchener-Waterloo (YKF) from $150

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 9/10. 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.
SEA — YKF
Jun 9 — Jun 161
From?
To?
Sun 6/9
Sun 6/16
1 adult, Economy
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Cheap flight deals from Seattle to Kitchener-Waterloo

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Kitchener-Waterloo (YKF). 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 June 4, 2024.

Round-trip from

$248

One-way from

$150
From Seattle/Tacoma Intl to Toronto Kitchener-Waterloo
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One-way flight from Seattle/Tacoma Intl to Toronto Kitchener-Waterloo
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How far in advance should I book a flight from Seattle to Toronto Kitchener-Waterloo Airport?

To save on the cost of your flight from Seattle to Toronto Kitchener-Waterloo Airport, book at least 27 days before your planned departure. Booking around this time can save you about 88% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $713 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $752.

What is the cheapest month to fly from Seattle to Toronto Kitchener-Waterloo Airport?

November can be a great time to fly to Toronto Kitchener-Waterloo Airport from Seattle with a flight ticket averaging about $599. Cheapflights users have found deals in the month of November for as cheap as $214. The most expensive prices can be found in the month of December.

What is the cheapest time of day to fly from SEA to YKF?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Toronto Kitchener-Waterloo Airport as you normally would.

Cheap WestJet flights from Seattle to Kitchener-Waterloo

Explore cheap flight options specifically provided by WestJet for the route between Seattle and Kitchener-Waterloo. 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 3,009,960 searches. Data last updated June 4, 2024.
Tue 8/271:50 pmSEA - YKF
1 stop8h 02mWestJet
Tue 9/36:15 amYKF - SEA
1 stop9h 41mWestJet
Deal found 6/3$328
Wed 8/281:50 pmSEA - YKF
1 stop8h 02mWestJet
Sun 9/16:15 amYKF - SEA
1 stop9h 41mWestJet
Deal found 6/3$331
Wed 8/211:50 pmSEA - YKF
1 stop8h 02mWestJet
Sun 8/256:15 amYKF - SEA
2 stops11h 31mWestJet
Deal found 6/3$343
Wed 8/211:50 pmSEA - YKF
1 stop8h 02mWestJet
Sun 8/256:15 amYKF - SEA
1 stop9h 41mWestJet
Deal found 6/3$348
Fri 9/61:50 pmSEA - YKF
1 stop8h 02mWestJet
Tue 9/106:15 amYKF - SEA
1 stop9h 41mWestJet
Deal found 6/2$363
Wed 8/281:50 pmSEA - YKF
1 stop8h 02mWestJet
Sun 9/16:15 amYKF - SEA
2 stops11h 31mWestJet
Deal found 6/2$375
Wed 8/281:50 pmSEA - YKF
1 stop8h 02mWestJet
Sun 9/16:15 amYKF - SEA
1 stop9h 41mWestJet
Deal found 6/2$377
Thu 9/57:00 amSEA - YKF
1 stop7h 23mWestJet
Thu 9/126:15 amYKF - SEA
2 stops11h 31mWestJet
Deal found 6/3$382
Wed 10/167:00 amSEA - YKF
1 stop7h 28mWestJet
Wed 10/304:55 pmYKF - SEA
1 stop23h 05mWestJet
Deal found 6/3$387

Cheap Seattle to Kitchener-Waterloo flights in June & July 2024

Find cheap flight options from Seattle to Kitchener-Waterloo specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,009,960 searches. Prices were last updated on June 4, 2024.
Thu 7/187:00 amSEA - YKF
1 stop7h 23mWestJet
Mon 7/226:15 amYKF - SEA
1 stop9h 44mWestJet
Deal found 6/3$412
Wed 7/31:50 pmSEA - YKF
1 stop8h 02mWestJet
Tue 7/96:15 amYKF - SEA
1 stop9h 44mWestJet
Deal found 6/3$433
Tue 7/161:50 pmSEA - YKF
1 stop8h 02mWestJet
Sat 7/276:15 amYKF - SEA
1 stop9h 44mWestJet
Deal found 6/4$434
Thu 7/41:50 pmSEA - YKF
1 stop8h 02mWestJet
Thu 7/116:15 amYKF - SEA
1 stop14h 07mWestJet
Deal found 6/4$435
Sat 7/271:50 pmSEA - YKF
1 stop8h 02mWestJet
Sun 8/46:15 amYKF - SEA
1 stop9h 41mWestJet
Deal found 6/2$436
Wed 7/171:50 pmSEA - YKF
1 stop8h 02mWestJet
Mon 7/226:15 amYKF - SEA
1 stop9h 44mWestJet
Deal found 6/3$439
Wed 7/171:50 pmSEA - YKF
1 stop8h 02mWestJet
Mon 7/226:15 amYKF - SEA
2 stops11h 31mWestJet
Deal found 6/3$441
Fri 7/123:30 pmSEA - YKF
2 stops12h 10mMultiple Airlines
Sun 7/149:40 pmYKF - SEA
2 stops20h 06mMultiple Airlines
Deal found 6/4$457
Fri 7/261:50 pmSEA - YKF
1 stop8h 02mWestJet
Mon 7/296:15 amYKF - SEA
1 stop9h 44mWestJet
Deal found 6/3$463

Seattle to Kitchener-Waterloo 2024 flight deals

Discover exclusive flight deals for travel between Seattle and Kitchener-Waterloo in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,009,960 searches. Data last updated June 4, 2024.
Tue 8/271:50 pmSEA - YKF
1 stop8h 02mWestJet
Tue 9/36:15 amYKF - SEA
1 stop9h 41mWestJet
Deal found 6/3$328
Wed 8/281:50 pmSEA - YKF
1 stop8h 02mWestJet
Sun 9/16:15 amYKF - SEA
1 stop9h 41mWestJet
Deal found 6/3$331
Wed 8/211:50 pmSEA - YKF
1 stop8h 02mWestJet
Sun 8/256:15 amYKF - SEA
2 stops11h 31mWestJet
Deal found 6/3$343
Wed 8/211:50 pmSEA - YKF
1 stop8h 02mWestJet
Sun 8/256:15 amYKF - SEA
1 stop9h 41mWestJet
Deal found 6/3$348
Fri 9/61:50 pmSEA - YKF
1 stop8h 02mWestJet
Tue 9/106:15 amYKF - SEA
1 stop9h 41mWestJet
Deal found 6/2$363
Wed 8/281:50 pmSEA - YKF
1 stop8h 02mWestJet
Sun 9/16:15 amYKF - SEA
2 stops11h 31mWestJet
Deal found 6/2$375
Wed 8/281:50 pmSEA - YKF
1 stop8h 02mWestJet
Sun 9/16:15 amYKF - SEA
1 stop9h 41mWestJet
Deal found 6/2$377
Thu 9/57:00 amSEA - YKF
1 stop7h 23mWestJet
Thu 9/126:15 amYKF - SEA
2 stops11h 31mWestJet
Deal found 6/3$382
Wed 10/167:00 amSEA - YKF
1 stop7h 28mWestJet
Wed 10/304:55 pmYKF - SEA
1 stop23h 05mWestJet
Deal found 6/3$387

Seattle to Kitchener-Waterloo flights leaving soon

Find last-minute flight options from Seattle to Kitchener-Waterloo 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 3,009,960 searches. Data last updated June 4, 2024.
Fri 6/147:00 amSEA - YKF
1 stop15h 10mWestJet
Sun 9/226:20 pmYKF - SEA
2 stops23h 28mWestJet
Deal found 6/4$467
Fri 6/147:00 amSEA - YKF
1 stop15h 10mWestJet
Sun 9/226:20 pmYKF - SEA
1 stop21h 36mWestJet
Deal found 6/4$472
Fri 6/147:00 amSEA - YKF
1 stop15h 10mWestJet
Thu 6/206:15 amYKF - SEA
1 stop9h 41mWestJet
Deal found 6/3$492
Tue 6/117:00 amSEA - YKF
1 stop15h 10mWestJet
Sat 6/156:15 amYKF - SEA
1 stop9h 41mWestJet
Deal found 6/2$569
Tue 6/119:41 pmSEA - YKF
2 stops24h 29mMultiple Airlines
Sat 6/156:15 amYKF - SEA
1 stop9h 41mMultiple Airlines
Deal found 6/2$574
Tue 6/117:00 amSEA - YKF
1 stop15h 10mWestJet
Fri 6/146:15 amYKF - SEA
1 stop9h 41mWestJet
Deal found 6/3$667
Thu 6/137:00 amSEA - YKF
1 stop15h 10mWestJet
Mon 6/176:15 amYKF - SEA
1 stop9h 41mWestJet
Deal found 6/4$754
Tue 6/117:00 amSEA - YKF
1 stop15h 10mWestJet
Fri 6/146:15 amYKF - SEA
2 stops11h 34mWestJet
Deal found 6/3$809
Tue 6/117:00 amSEA - YKF
1 stop15h 10mWestJet
Fri 6/146:15 amYKF - SEA
1 stop17h 05mWestJet
Deal found 6/4$846

One-way flights to Kitchener-Waterloo from Seattle

Search for one-way flight options from Seattle to Kitchener-Waterloo. 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 3,009,960 searches. Data last updated June 4, 2024.
Tue 9/107:00 amSEA - YKF
1 stop7h 23mWestJet
Deal found 6/4$150
Tue 9/107:00 amSEA - YKF
1 stop7h 23mWestJet
Deal found 6/3$163
Sun 9/81:50 pmSEA - YKF
1 stop8h 02mWestJet
Deal found 6/2$183
Tue 10/291:50 pmSEA - YKF
1 stop23h 07mWestJet
Deal found 6/2$189
Thu 7/257:00 amSEA - YKF
1 stop7h 23mWestJet
Deal found 6/4$201
Sun 9/83:30 pmSEA - YKF
2 stops22h 53mWestJet
Deal found 6/2$202
Fri 9/277:00 amSEA - YKF
2 stops10h 40mMultiple Airlines
Deal found 6/4$203
Fri 7/261:50 pmSEA - YKF
1 stop8h 02mWestJet
Deal found 6/4$214
Thu 7/187:00 amSEA - YKF
1 stop7h 23mWestJet
Deal found 6/3$216

Find flights from Seattle to Kitchener-Waterloo within your budget

Customize your flight search to find flights from Seattle to Kitchener-Waterloo 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 3,009,960 searches. Data last updated June 4, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$328 - $468

Route

Depart

Return

Price

Seattle/Tacoma IntlToronto Kitchener-Waterloo

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Tue 8/27

1 stop8h 02m

Toronto Kitchener-Waterloo

Tue 9/3

1 stop9h 41m

$328

Seattle/Tacoma IntlToronto Kitchener-Waterloo

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Wed 8/28

1 stop8h 02m

Toronto Kitchener-Waterloo

Sun 9/1

1 stop9h 41m

$331

Seattle/Tacoma IntlToronto Kitchener-Waterloo

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Wed 8/21

1 stop8h 02m

Toronto Kitchener-Waterloo

Sun 8/25

2 stops11h 31m

$343

Seattle/Tacoma IntlToronto Kitchener-Waterloo

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Wed 8/21

1 stop8h 02m

Toronto Kitchener-Waterloo

Sun 8/25

1 stop9h 41m

$348

Seattle/Tacoma IntlToronto Kitchener-Waterloo

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Fri 9/6

1 stop8h 02m

Toronto Kitchener-Waterloo

Tue 9/10

1 stop9h 41m

$363

Seattle/Tacoma IntlToronto Kitchener-Waterloo

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Wed 8/28

1 stop8h 02m

Toronto Kitchener-Waterloo

Sun 9/1

2 stops11h 31m

$375

Seattle/Tacoma IntlToronto Kitchener-Waterloo

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Fri 7/12

2 stops12h 10m

Toronto Kitchener-Waterloo

Sun 7/14

2 stops20h 06m

$457

Seattle/Tacoma IntlToronto Kitchener-Waterloo

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Wed 7/17

3 stops16h 42m

Toronto Kitchener-Waterloo

Mon 7/22

1 stop9h 44m

$466

Seattle/Tacoma IntlToronto Kitchener-Waterloo

SEA - YKF

SEAYKF

Seattle/Tacoma Intl

Wed 7/17

3 stops16h 42m

Toronto Kitchener-Waterloo

Mon 7/22

2 stops11h 31m

$468

Flights are sorted by cheapest first

Deals found on 6/3

What is the cheapest day to fly from Seattle to Toronto Kitchener-Waterloo Airport?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Kitchener-Waterloo. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Seattle to Toronto Kitchener-Waterloo Airport flight should consider departing on Thursday at noon when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Seattle to Kitchener-Waterloo

Have a flexible travel schedule? Discover the best time to fly to Kitchener-Waterloo from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Kitchener-Waterloo by month

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

YTO

Temperature

21.2 - 69.8 °F

If weather is an important factor for your trip to Toronto Kitchener-Waterloo Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Kitchener-Waterloo

Get insights into the airlines that provide service to Kitchener-Waterloo. 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 Kitchener-Waterloo. Reviews last updated June 4, 2024.
WestJet
7.5
Good
2,860 reviews
Check prices

Overall

7.5

Entertainment

6.4

Crew

8.1

Boarding

7.7

Comfort

7.3

Food

6.4

Reviews

1 / 10

System was down and the line on the check in counter was very slow.

WestJet
7.5
Good
2,860 reviews
WestJet
7.5
Good
2,860 reviews
Check prices

Overall

7.5

Entertainment

6.4

Crew

8.1

Boarding

7.7

Comfort

7.3

Food

6.4

Reviews

1 / 10

System was down and the line on the check in counter was very slow.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Kitchener-Waterloo. 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 Seattle to Toronto Kitchener-Waterloo?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly out of when you book flights from Seattle to Toronto Kitchener-Waterloo. 0 airlines have flights from Seattle/Tacoma Intl to Toronto Kitchener-Waterloo on a regular basis. Booking flights from Seattle/Tacoma Intl to Toronto Kitchener-Waterloo should not be difficult; the airport handles an average of 0 outbound flights to Toronto Kitchener-Waterloo per day.

  • Can I find flights from Seattle to Toronto Kitchener-Waterloo Airport for under $400 on Cheapflights?

    Yes, there are multiple flights from Seattle to Toronto Kitchener-Waterloo Airport for under $400. The cheapest flight booked recently is on WestJet for just $328, but on average you can expect to pay $399.

  • Are there last-minute flights available from Seattle to Toronto Kitchener-Waterloo Airport for under $500?

    There are currently 11+ open flights from Seattle to Toronto Kitchener-Waterloo Airport within the next 7 days for less than $500.

  • What is the cheapest airline to fly from Seattle to Toronto Kitchener-Waterloo Airport round-trip?

    Our cheapest airline available from Seattle to Toronto Kitchener-Waterloo Airport is WestJet. Our recent data shows that you can find tickets from as low as $328 on this airline.

  • What does SEA to YKF mean?

    This is defined as Seattle/Tacoma Intl Airport (SEA) and Toronto Kitchener-Waterloo Airport (YKF). Codes like Toronto Kitchener-Waterloo Airport are often used to just call airports uniquely.

  • Can I find deals for flights from Seattle to Kitchener-Waterloo that include extra baggage allowance?

    The amount of baggage you can bring on your Seattle to Kitchener-Waterloo 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 Seattle to Kitchener-Waterloo with specific airlines?

    Yes, Cheapflights allows you to browse and filter Seattle to Kitchener-Waterloo 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 Seattle to Kitchener-Waterloo that include hotel bookings?

    Yes. In addition to deals on Seattle to Kitchener-Waterloo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Kitchener-Waterloo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Kitchener-Waterloo.

  • Can I find deals for business class flights from Seattle to Kitchener-Waterloo?

    Yes. Cheapflights offers flight deals from Seattle to Kitchener-Waterloo 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 Seattle to Kitchener-Waterloo that allow pets onboard?

    Many airlines flying from Seattle to Kitchener-Waterloo 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 Seattle to Kitchener-Waterloo?

    Yes, you can often find last-minute deals on Seattle to Kitchener-Waterloo 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 Seattle to Toronto Kitchener-Waterloo Airport flight deals updated?

    The Seattle to Toronto Kitchener-Waterloo Airport flight deals you see on this page were last updated on 6/3.

See more FAQs

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Search flights from Seattle to Kitchener-Waterloo by cabin class

Find flights from Seattle to Kitchener-Waterloo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Prem Econ Class
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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 Seattle to Kitchener-Waterloo?

Deals for Seattle to Kitchener-Waterloo flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Seattle to Kitchener-Waterloo?

Cheapflights helps you find that perfect flight to Kitchener-Waterloo from Seattle by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Seattle to Kitchener-Waterloo with no change fees?

Need flexible booking options for your flight to Kitchener-Waterloo from Seattle? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Seattle to Kitchener-Waterloo become cheaper?

Yes! Start tracking prices for Seattle to Kitchener-Waterloo flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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