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Cheap flights from Kitchener-Waterloo (YKF) to San Francisco (SFO) from $177

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 8/9. 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.
YKF — SFO
May 28 — Jun 41
From?
To?
Tue 5/28
Tue 6/4
1 adult, Economy
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Cheap flight deals from Kitchener-Waterloo to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Kitchener-Waterloo (YKF) to San Francisco (SFO). 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 23, 2024.

Round-trip from

$268

One-way from

$254
From Toronto Kitchener-Waterloo to San Francisco
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One-way flight from Toronto Kitchener-Waterloo to San Francisco
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How far in advance should I book a flight from Toronto Kitchener-Waterloo Airport to San Francisco?

Travelers have found it’s best to book a flight 43 days in advance to save up to 107% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 43 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Toronto Kitchener-Waterloo Airport to San Francisco 1-2 weeks in advance for as low as $508, or $780 for flights within the next 24 hours.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, February can be a great choice for travel to San Francisco. Flights to San Francisco from Toronto Kitchener-Waterloo Airport in February are about $429 on average during February, but can be found for as low as $212.

When is the cheapest time to fly from Toronto Kitchener-Waterloo Airport to San Francisco (YKF - SFO)?

When flying from Toronto Kitchener-Waterloo Airport to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap WestJet flights from Kitchener-Waterloo to San Francisco

Explore cheap flight options specifically provided by WestJet for the route between Kitchener-Waterloo and San Francisco. 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 2,708,702 searches. Data last updated May 23, 2024.
Wed 8/146:15 amYKF - SFO
2 stops11h 18mWestJet
Tue 8/2012:50 pmSFO - YKF
1 stop9h 02mWestJet
Deal found 5/22$360
Sat 8/316:15 amYKF - SFO
1 stop8h 45mWestJet
Sun 9/812:50 pmSFO - YKF
1 stop9h 02mWestJet
Deal found 5/21$363
Tue 7/166:15 amYKF - SFO
1 stop8h 45mWestJet
Thu 7/256:05 pmSFO - YKF
1 stop27h 47mWestJet
Deal found 5/22$367
Thu 8/296:15 amYKF - SFO
1 stop13h 58mWestJet
Wed 9/412:50 pmSFO - YKF
1 stop9h 02mWestJet
Deal found 5/22$390
Tue 7/26:15 amYKF - SFO
1 stop18h 05mWestJet
Tue 7/96:05 pmSFO - YKF
1 stop27h 47mWestJet
Deal found 5/22$394
Sat 9/76:15 amYKF - SFO
1 stop8h 45mWestJet
Tue 9/177:30 amSFO - YKF
1 stop14h 28mWestJet
Deal found 5/22$412
Wed 9/46:15 amYKF - SFO
1 stop8h 45mWestJet
Thu 9/127:30 amSFO - YKF
1 stop14h 22mWestJet
Deal found 5/22$415
Fri 8/306:15 amYKF - SFO
2 stops11h 18mWestJet
Wed 9/412:50 pmSFO - YKF
1 stop9h 02mWestJet
Deal found 5/21$417
Fri 8/306:15 amYKF - SFO
1 stop8h 45mWestJet
Wed 9/412:50 pmSFO - YKF
1 stop9h 02mWestJet
Deal found 5/20$418

Cheap Kitchener-Waterloo to San Francisco flights in May & June 2024

Find cheap flight options from Kitchener-Waterloo to San Francisco specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,708,702 searches. Prices were last updated on May 23, 2024.
Sun 6/96:15 amYKF - SFO
2 stops11h 19mWestJet
Thu 7/1812:50 pmSFO - YKF
1 stop9h 02mWestJet
Deal found 5/22$456
Thu 6/206:15 amYKF - SFO
1 stop13h 58mWestJet
Thu 6/272:25 pmSFO - YKF
2 stops31h 27mWestJet
Deal found 5/22$481
Sun 6/96:15 amYKF - SFO
2 stops11h 19mWestJet
Tue 7/233:20 pmSFO - YKF
2 stops30h 32mWestJet
Deal found 5/22$482
Sun 6/96:15 amYKF - SFO
1 stop8h 47mWestJet
Wed 7/1712:50 pmSFO - YKF
1 stop25h 33mWestJet
Deal found 5/22$490
Fri 6/216:15 amYKF - SFO
2 stops34h 17mWestJet
Sun 6/232:25 pmSFO - YKF
2 stops31h 27mWestJet
Deal found 5/22$491
Tue 6/186:15 amYKF - SFO
1 stop8h 45mWestJet
Mon 6/2412:50 pmSFO - YKF
1 stop9h 02mWestJet
Deal found 5/22$492
Sun 6/96:15 amYKF - SFO
2 stops11h 19mWestJet
Wed 7/247:30 amSFO - YKF
1 stop14h 22mWestJet
Deal found 5/22$495
Fri 6/216:15 amYKF - SFO
2 stops14h 01mMultiple Airlines
Sun 6/2310:15 amSFO - YKF
1 stop17h 45mMultiple Airlines
Deal found 5/22$503
Thu 6/276:15 amYKF - SFO
1 stop8h 45mWestJet
Tue 7/212:50 pmSFO - YKF
1 stop9h 02mWestJet
Deal found 5/22$521

Kitchener-Waterloo to San Francisco 2024 flight deals

Discover exclusive flight deals for travel between Kitchener-Waterloo and San Francisco in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,708,702 searches. Data last updated May 23, 2024.
Wed 7/36:15 amYKF - SFO
1 stop8h 45mWestJet
Mon 7/1512:50 pmSFO - YKF
1 stop9h 02mWestJet
Deal found 5/23$345
Wed 8/146:15 amYKF - SFO
2 stops11h 18mWestJet
Tue 8/2012:50 pmSFO - YKF
1 stop9h 02mWestJet
Deal found 5/22$360
Sat 8/316:15 amYKF - SFO
1 stop8h 45mWestJet
Sun 9/812:50 pmSFO - YKF
1 stop9h 02mWestJet
Deal found 5/21$363
Tue 7/166:15 amYKF - SFO
1 stop8h 45mWestJet
Tue 7/237:30 amSFO - YKF
1 stop14h 22mWestJet
Deal found 5/22$367
Tue 7/26:15 amYKF - SFO
1 stop18h 05mWestJet
Mon 7/1512:50 pmSFO - YKF
1 stop9h 02mWestJet
Deal found 5/23$372
Tue 8/276:15 amYKF - SFO
1 stop8h 45mWestJet
Fri 9/67:30 amSFO - YKF
1 stop14h 22mWestJet
Deal found 5/22$389
Thu 8/296:15 amYKF - SFO
1 stop13h 58mWestJet
Wed 9/412:50 pmSFO - YKF
1 stop9h 02mWestJet
Deal found 5/22$390
Tue 7/26:15 amYKF - SFO
1 stop18h 05mWestJet
Tue 7/96:05 pmSFO - YKF
1 stop27h 47mWestJet
Deal found 5/22$394
Wed 9/256:15 amYKF - SFO
1 stop8h 46mWestJet
Tue 10/112:50 pmSFO - YKF
1 stop9h 08mWestJet
Deal found 5/22$395

Kitchener-Waterloo to San Francisco flights leaving soon

Find last-minute flight options from Kitchener-Waterloo to San Francisco 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 2,708,702 searches. Data last updated May 23, 2024.
Wed 5/296:15 amYKF - SFO
1 stop8h 47mWestJet
Fri 5/3112:50 pmSFO - YKF
1 stop9h 20mWestJet
Deal found 5/22$570
Sat 6/16:15 amYKF - SFO
1 stop17h 58mWestJet
Sun 6/3012:50 pmSFO - YKF
1 stop9h 02mWestJet
Deal found 5/22$640
Thu 5/306:15 amYKF - SFO
1 stop8h 47mWestJet
Tue 6/1812:50 pmSFO - YKF
1 stop9h 02mWestJet
Deal found 5/21$650
Sat 6/16:15 amYKF - SFO
2 stops11h 19mWestJet
Sun 6/3012:50 pmSFO - YKF
1 stop9h 02mWestJet
Deal found 5/22$659
Wed 5/296:15 amYKF - SFO
2 stops11h 19mWestJet
Fri 5/3112:50 pmSFO - YKF
1 stop9h 20mWestJet
Deal found 5/22$687
Fri 5/316:15 amYKF - SFO
2 stops11h 19mWestJet
Thu 7/46:05 pmSFO - YKF
1 stop27h 47mWestJet
Deal found 5/23$758
Sun 6/26:15 amYKF - SFO
1 stop8h 47mWestJet
Thu 6/63:20 pmSFO - YKF
2 stops30h 50mWestJet
Deal found 5/22$769
Wed 5/296:15 amYKF - SFO
1 stop17h 58mWestJet
Fri 5/3112:50 pmSFO - YKF
1 stop9h 20mWestJet
Deal found 5/22$781
Thu 5/306:15 amYKF - SFO
1 stop8h 47mWestJet
Thu 6/67:30 amSFO - YKF
1 stop14h 40mWestJet
Deal found 5/22$1,129

One-way flights to San Francisco from Kitchener-Waterloo

Search for one-way flight options from Kitchener-Waterloo to San Francisco. 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 2,708,702 searches. Data last updated May 23, 2024.
Fri 8/96:15 amYKF - SFO
2 stops14h 02mMultiple Airlines
Deal found 5/22$177
Tue 8/206:15 amYKF - SFO
2 stops11h 18mWestJet
Deal found 5/22$183
Thu 8/226:15 amYKF - SFO
1 stop8h 45mWestJet
Deal found 5/22$186
Tue 8/206:15 amYKF - SFO
1 stop8h 45mWestJet
Deal found 5/21$188
Wed 6/126:15 amYKF - SFO
1 stop8h 47mWestJet
Deal found 5/23$191
Sat 6/86:15 amYKF - SFO
1 stop8h 47mWestJet
Deal found 5/22$193
Wed 6/266:15 amYKF - SFO
2 stops14h 52mMultiple Airlines
Deal found 5/23$195
Tue 8/136:15 amYKF - SFO
1 stop8h 45mWestJet
Deal found 5/22$198
Wed 8/146:15 amYKF - SFO
2 stops11h 18mWestJet
Deal found 5/22$201

Find flights from Kitchener-Waterloo to San Francisco within your budget

Customize your flight search to find flights from Kitchener-Waterloo to San Francisco 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 2,708,702 searches. Data last updated May 23, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$360 - $627

Route

Depart

Return

Price

Toronto Kitchener-WaterlooSan Francisco

YKF - SFO

YKFSFO

Toronto Kitchener-Waterloo

Wed 8/14

2 stops11h 18m

San Francisco

Tue 8/20

1 stop9h 02m

$360

Toronto Kitchener-WaterlooSan Francisco

YKF - SFO

YKFSFO

Toronto Kitchener-Waterloo

Sat 8/31

1 stop8h 45m

San Francisco

Sun 9/8

1 stop9h 02m

$363

Toronto Kitchener-WaterlooSan Francisco

YKF - SFO

YKFSFO

Toronto Kitchener-Waterloo

Tue 7/16

1 stop8h 45m

San Francisco

Thu 7/25

1 stop27h 47m

$367

Toronto Kitchener-WaterlooSan Francisco

YKF - SFO

YKFSFO

Toronto Kitchener-Waterloo

Thu 8/29

1 stop13h 58m

San Francisco

Wed 9/4

1 stop9h 02m

$390

Toronto Kitchener-WaterlooSan Francisco

YKF - SFO

YKFSFO

Toronto Kitchener-Waterloo

Tue 7/2

1 stop18h 05m

San Francisco

Tue 7/9

1 stop27h 47m

$394

Toronto Kitchener-WaterlooSan Francisco

YKF - SFO

YKFSFO

Toronto Kitchener-Waterloo

Sat 9/7

1 stop8h 45m

San Francisco

Tue 9/17

1 stop14h 28m

$412

Toronto Kitchener-WaterlooSan Francisco

YKF - SFO

YKFSFO

Toronto Kitchener-Waterloo

Wed 9/4

1 stop8h 45m

San Francisco

Thu 9/12

1 stop14h 22m

$415

Toronto Kitchener-WaterlooSan Francisco

YKF - SFO

YKFSFO

Toronto Kitchener-Waterloo

Fri 6/21

2 stops14h 01m

San Francisco

Sun 6/23

1 stop17h 45m

$503

Toronto Kitchener-WaterlooSan Francisco

YKF - SFO

YKFSFO

Toronto Kitchener-Waterloo

Sat 6/22

2 stops15h 35m

San Francisco

Sun 6/23

1 stop9h 02m

$627

Flights are sorted by cheapest first

Deals found on 5/22

When is the cheapest time to fly from Toronto Kitchener-Waterloo Airport to San Francisco?

Use this chart to determine the cheapest time to fly round-trip from Kitchener-Waterloo to San Francisco. Price data was last updated on May 19, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Toronto Kitchener-Waterloo Airport to San Francisco flight should consider departing on Friday mornings when fares are most often at their lowest. Friday mornings 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 Kitchener-Waterloo to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Kitchener-Waterloo 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 San Francisco by month

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

SFO

Temperature

51.8 - 62.6 °F

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated May 23, 2024.
WestJet
7.5
Good
2,898 reviews
Check prices

Crew

8.2

Entertainment

6.5

Boarding

7.7

Overall

7.5

Food

6.5

Comfort

7.3

Reviews

1 / 10

It’s a discount flight so you have to expect to be crammed in. Then there is the food strike at a supplier we were all warned of and they were good with snacks. The attendants were great. I’ll fly them a hand I recommend them, for what they are.

WestJet
7.5
Good
2,898 reviews
WestJet
7.5
Good
2,898 reviews
Check prices

Crew

8.2

Entertainment

6.5

Boarding

7.7

Overall

7.5

Food

6.5

Comfort

7.3

Reviews

1 / 10

It’s a discount flight so you have to expect to be crammed in. Then there is the food strike at a supplier we were all warned of and they were good with snacks. The attendants were great. I’ll fly them a hand I recommend them, for what they are.

Flair Airlines
6.1
Okay
202 reviews
WestJet
7.5
Good
2,898 reviews
Check prices

Crew

8.2

Entertainment

6.5

Boarding

7.7

Overall

7.5

Food

6.5

Comfort

7.3

Reviews

1 / 10

It’s a discount flight so you have to expect to be crammed in. Then there is the food strike at a supplier we were all warned of and they were good with snacks. The attendants were great. I’ll fly them a hand I recommend them, for what they are.

Related info for your journey

Find useful and relevant information for your journey from Kitchener-Waterloo to San Francisco. 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 into for flights to San Francisco from Toronto Kitchener-Waterloo?

    Most people fly into San Francisco (SFO) if they book a flight to San Francisco from Toronto Kitchener-Waterloo. On average, San Francisco has 0 inbound flights from Toronto Kitchener-Waterloo per day from 0 airlines. San Francisco is conveniently located just 11.8 mi from San Francisco’s city center.

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

    Yes, there are multiple flights from Toronto Kitchener-Waterloo Airport to San Francisco for under $400. The cheapest flight booked recently is on WestJet for just $360, but on average you can expect to pay $422.

  • Are there last-minute flights available from Toronto Kitchener-Waterloo Airport to San Francisco for under $600?

    There are currently 20+ open flights from Toronto Kitchener-Waterloo Airport to San Francisco within the next 7 days for less than $600.

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

    According to our current data, WestJet ($360), offers the cheapest pricing from Toronto Kitchener-Waterloo Airport to San Francisco.

  • What does YKF to SFO mean?

    YKF stands for Toronto Kitchener-Waterloo Airport, while SFO stands for San Francisco Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

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

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

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

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

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

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

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

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

    Many airlines flying from Kitchener-Waterloo to San Francisco 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 Kitchener-Waterloo to San Francisco?

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

    The Toronto Kitchener-Waterloo Airport to San Francisco flight deals you see on this page were last updated on 5/23.

  • When is the best time to book a flight from Toronto Kitchener-Waterloo Airport to San Francisco?

    Currently, September is the cheapest month in which you can book a flight from Toronto Kitchener-Waterloo Airport to San Francisco (average of $268). Flying from Toronto Kitchener-Waterloo Airport to San Francisco in June is currently the most expensive (average of $383). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Search flights from Kitchener-Waterloo to San Francisco by cabin class

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Kitchener-Waterloo to San Francisco. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to San Francisco from Kitchener-Waterloo.

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

Certainly. Search results for flights to San Francisco from Kitchener-Waterloo shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Not ready to book yet? You can track prices for flights from Kitchener-Waterloo to San Francisco on Cheapflights with our Price Alert feature and get notified when better prices are available.

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