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Cheap flights from Toronto Region of Waterloo Intl Airport to San Francisco Bay Area from C$ 239

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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
YKF — SFO
15 Mar — 22 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Region of Waterloo Intl to San Francisco Bay Area

Enter your travel dates to find the best prices.

Cheapest flights from Region of Waterloo Intl to San Francisco Bay Area
Explore the most affordable flight options available from Region of Waterloo Intl to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 February 2026.

Fri 29/58:40 p.m.
YKF
-
SFO
1 stop28h 15m
WestJet
Mon 1/66:00 a.m.
SFO
-
YKF
1 stop10h 50m
WestJet
Deal found 9/2C$ 363
Mon 27/48:40 p.m.
YKF
-
SFO
1 stop18h 20m
WestJet
Thu 30/41:00 p.m.
SFO
-
YKF
1 stop27h 50m
WestJet
Deal found 12/2C$ 364
Fri 29/58:40 p.m.
YKF
-
SFO
1 stop28h 15m
WestJet
Wed 3/66:00 a.m.
SFO
-
YKF
1 stop10h 50m
WestJet
Deal found 11/2C$ 366
Fri 22/58:40 p.m.
YKF
-
SFO
1 stop18h 20m
WestJet
Mon 25/56:00 a.m.
SFO
-
YKF
1 stop10h 50m
WestJet
Deal found 11/2C$ 367
Fri 1/58:40 p.m.
YKF
-
SFO
1 stop18h 20m
WestJet
Fri 8/56:00 a.m.
SFO
-
YKF
1 stop10h 50m
WestJet
Deal found 12/2C$ 368
Sun 26/48:40 p.m.
YKF
-
SFO
1 stop28h 15m
WestJet
Fri 1/56:00 a.m.
SFO
-
YKF
1 stop10h 50m
WestJet
Deal found 11/2C$ 379
Mon 8/68:40 p.m.
YKF
-
SFO
1 stop18h 20m
WestJet
Fri 19/66:05 p.m.
SFO
-
YKF
1 stop22h 45m
WestJet
Deal found 10/2C$ 389
Tue 2/68:40 p.m.
YKF
-
SFO
1 stop18h 20m
WestJet
Tue 9/66:00 a.m.
SFO
-
YKF
1 stop10h 50m
WestJet
Deal found 10/2C$ 390
Fri 15/58:40 p.m.
YKF
-
SFO
1 stop28h 15m
WestJet
Sun 17/56:00 a.m.
SFO
-
YKF
1 stop10h 50m
WestJet
Deal found 13/2C$ 393
Sun 31/58:40 p.m.
YKF
-
SFO
1 stop18h 20m
WestJet
Sat 6/66:05 p.m.
SFO
-
YKF
1 stop22h 45m
WestJet
Deal found 11/2C$ 395
Tue 10/36:20 a.m.
YKF
-
SJC
2 stops40h 21m
WestJet
Thu 12/39:15 a.m.
SJC
-
YKF
2 stops41h 14m
WestJet
Deal found 9/2C$ 1,189
Mon 16/36:20 a.m.
YKF
-
SJC
2 stops14h 11m
WestJet
Fri 20/31:50 p.m.
SJC
-
YKF
2 stops12h 39m
WestJet
Deal found 10/2C$ 1,198

Find flight deals from Region of Waterloo Intl to San Francisco Bay Area

Keep the following information in mind while searching for Region of Waterloo Intl to San Francisco Bay Area flight deals. Data was last updated 13 February 2026.

Round-trip from

C$ 363

One-way from

C$ 239

Popular in

December

Cheapest in

April

Average price

C$ 481
WestJet
  • WestJet
  • 29/5-1/6
  • 2 total stops
  • 39h 05m total
  • Toronto to San Francisco Bay Area
Search Deals
WestJet
  • WestJet
  • 11/8
  • 1 total stop
  • 18h 20m total
  • Toronto to San Francisco Bay Area
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 49 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Region of Waterloo Intl to San Francisco Bay Area 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 629,999 searches. Data last updated 13 February 2026.
Use the filters below to find and compare flights from Toronto Region of Waterloo Intl Airport to San Francisco Bay Area that are best for you.

Fly from

Region of Waterloo Intl

Fly to

San Francisco Bay Area

Route

Depart

Return

Price

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Fri 29/5

8:40 p.m.-9:55 p.m.

1 stop28h 15m

San Francisco

Mon 1/6

6:00 a.m.-7:50 p.m.

1 stop10h 50m

C$ 363

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Mon 27/4

8:40 p.m.-12:00 p.m.

1 stop18h 20m

San Francisco

Thu 30/4

1:00 p.m.-7:50 p.m.

1 stop27h 50m

C$ 364

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Fri 29/5

8:40 p.m.-9:55 p.m.

1 stop28h 15m

San Francisco

Sun 7/6

6:05 p.m.-7:50 p.m.

1 stop22h 45m

C$ 364

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Fri 29/5

8:40 p.m.-9:55 p.m.

1 stop28h 15m

San Francisco

Wed 3/6

6:00 a.m.-7:50 p.m.

1 stop10h 50m

C$ 366

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Fri 22/5

8:40 p.m.-12:00 p.m.

1 stop18h 20m

San Francisco

Mon 25/5

6:00 a.m.-7:50 p.m.

1 stop10h 50m

C$ 367

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Sun 31/5

8:40 p.m.-12:00 p.m.

1 stop18h 20m

San Francisco

Sat 6/6

6:05 p.m.-7:50 p.m.

1 stop22h 45m

C$ 395

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Mon 1/6

8:40 p.m.-12:00 p.m.

1 stop18h 20m

San Francisco

Fri 5/6

6:05 p.m.-7:50 p.m.

1 stop22h 45m

C$ 398

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Fri 12/6

8:40 p.m.-12:00 p.m.

1 stop18h 20m

San Francisco

Mon 15/6

6:00 a.m.-7:50 p.m.

1 stop10h 50m

C$ 409

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Fri 19/6

8:40 p.m.-12:00 p.m.

1 stop18h 20m

San Francisco

Sun 28/6

6:00 a.m.-7:50 p.m.

1 stop10h 50m

C$ 416

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Mon 10/8

8:40 p.m.-4:40 p.m.

1 stop23h 00m

San Francisco

Tue 18/8

6:00 a.m.-7:50 p.m.

1 stop10h 50m

C$ 419

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 41 results
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Best time to book a flight from Region of Waterloo Intl to San Francisco Bay Area

Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area from Region of Waterloo Intl 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.

Cheapflights Insights

Everything you need to know about your flight from Toronto Region of Waterloo Intl Airport to San Francisco Bay Area
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing San Francisco Bay Area

Get insights into the airlines that provide service to San Francisco Bay Area. 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 Bay Area. Reviews last updated 13 February 2026.
Read reviews from past customers who have flown WestJet from Toronto Region of Waterloo Intl Airport to San Francisco Bay Area. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
WestJet
7.2
Good
3,257 reviews
Check prices

Overall

7.2

Boarding

7.4

Food

6.2

Comfort

7.0

Entertainment

6.1

Crew

7.9

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight
WestJet
7.2
Good
3,257 reviews
WestJet
7.2
Good
3,257 reviews
Check prices

Overall

7.2

Boarding

7.4

Food

6.2

Comfort

7.0

Entertainment

6.1

Crew

7.9

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight

Related info for your journey

Find useful and relevant information for your journey from Region of Waterloo Intl to San Francisco Bay Area. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Toronto Region of Waterloo Intl Airport to San Francisco Bay Area?

    A quick flight from Toronto Region of Waterloo Intl Airport to San Francisco Bay Area can take about 28h 15m. WestJet provides one of the quickest options available for as low as C$ 363. There are 3566 km between Toronto Region of Waterloo Intl Airport and San Francisco Bay Area.

  • What are the most popular routes from Toronto Region of Waterloo Intl Airport to San Francisco Bay Area?

    The most popular flight routes from Toronto Region of Waterloo Intl Airport to San Francisco Bay Area are Toronto Region of Waterloo Intl - San Francisco, Toronto Region of Waterloo Intl - San Jose and Toronto Region of Waterloo Intl - Oakland.

  • Can I find deals for flights from Region of Waterloo Intl to San Francisco Bay Area that include hotel bookings?

    Yes. In addition to deals on Region of Waterloo Intl to San Francisco Bay Area flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Region of Waterloo Intl to San Francisco Bay Area?

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

  • Can I find deals for business class flights from Region of Waterloo Intl to San Francisco Bay Area?

    Yes. Cheapflights offers flight deals from Region of Waterloo Intl to San Francisco Bay Area by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Region of Waterloo Intl to San Francisco Bay Area

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Region of Waterloo Intl to San Francisco Bay Area

Discover the top airline that operate flights from Region of Waterloo Intl to San Francisco Bay Area. 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 629,999 searches. Data last updated 13 February 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 195AverageC$ 365FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Region of Waterloo Intl to San Francisco Bay Area?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Region of Waterloo Intl to San Francisco Bay Area. 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 Region of Waterloo Intl to San Francisco Bay Area?

Cheapflights helps you find that perfect flight to San Francisco Bay Area from Region of Waterloo Intl 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 Region of Waterloo Intl to San Francisco Bay Area with no change fees?

Yes, we can. To see specific flights from Region of Waterloo Intl to San Francisco Bay Area with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Region of Waterloo Intl to San Francisco Bay Area become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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