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Cheap flights from Toronto Region of Waterloo Intl Airport to San Francisco Bay Area from C$ 252

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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
YKF — SFO
5 Aug — 12 Aug1
1 adult

Cheap 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 31 July 2025.

Round-trip from

C$ 394

One-way from

C$ 252

Popular in

December

Cheapest in

April

Average price

C$ 614
WestJet
  • WestJet
  • 28/8-5/9
  • 2 total stops
  • 17h 51m total
  • Toronto to San Francisco Bay Area
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WestJet
  • WestJet
  • 12/9
  • 1 total stop
  • 8h 54m total
  • Toronto to San Francisco Bay Area
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 43 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
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Find flight deals from Region of Waterloo Intl to San Francisco Bay Area

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 31 July 2025.

Thu 28/86:00 a.m.YKF - SFO
1 stop8h 56mWestJet
Fri 5/912:50 p.m.SFO - YKF
1 stop8h 55mWestJet
Deal found 28/7C$ 394
Sat 20/96:00 a.m.YKF - SFO
1 stop8h 54mMultiple Airlines
Tue 23/910:15 a.m.SFO - YKF
2 stops16h 15mMultiple Airlines
Deal found 30/7C$ 455
Fri 12/96:00 a.m.YKF - OAK
3 stops28h 38mMultiple Airlines
Fri 19/96:00 a.m.OAK - YKF
2 stops15h 45mMultiple Airlines
Deal found 29/7C$ 508
Thu 21/86:00 a.m.YKF - SJC
3 stops32h 44mMultiple Airlines
Sun 31/86:00 a.m.SJC - YKF
2 stops15h 46mMultiple Airlines
Deal found 31/7C$ 767
Thu 28/86:00 a.m.YKF - SJC
2 stops13h 07mWestJet
Thu 4/97:00 a.m.SJC - YKF
2 stops14h 45mWestJet
Deal found 29/7C$ 944

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 31 July 2025.
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

Thu 28/8

6:00 a.m.-11:56 a.m.

1 stop8h 56m

San Francisco

Fri 5/9

12:50 p.m.-12:45 a.m.

1 stop8h 55m

C$ 394

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Sat 20/9

6:00 a.m.-11:54 a.m.

1 stop8h 54m

San Francisco

Tue 23/9

10:15 a.m.-5:30 a.m.

2 stops16h 15m

C$ 455

TorontoOakland

YKF - OAK

YKFOAK

Toronto Region of Waterloo Intl

Fri 12/9

6:00 a.m.-7:38 a.m.

3 stops28h 38m

Oakland

Fri 19/9

6:00 a.m.-12:45 a.m.

2 stops15h 45m

C$ 508

TorontoSan Jose

YKF - SJC

YKFSJC

Toronto Region of Waterloo Intl

Thu 21/8

6:00 a.m.-11:44 a.m.

3 stops32h 44m

San Jose

Sun 31/8

6:00 a.m.-12:46 a.m.

2 stops15h 46m

C$ 767

TorontoSan Jose

YKF - SJC

YKFSJC

Toronto Region of Waterloo Intl

Thu 28/8

6:00 a.m.-4:07 p.m.

2 stops13h 07m

San Jose

Thu 4/9

7:00 a.m.-12:45 a.m.

2 stops14h 45m

C$ 944

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Fri 12/9

6:00 a.m.-11:54 a.m.

1 stop8h 54m

C$ 252

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Wed 1/10

6:30 a.m.-9:30 a.m.

2 stops30h 00m

C$ 256

TorontoSan Jose

YKF - SJC

YKFSJC

Toronto Region of Waterloo Intl

Mon 22/9

6:00 a.m.-10:45 a.m.

3 stops31h 45m

C$ 314

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Sat 16/8

8:25 p.m.-9:30 a.m.

1 stop16h 05m

C$ 335

TorontoOakland

YKF - OAK

YKFOAK

Toronto Region of Waterloo Intl

Sat 13/9

6:00 a.m.-11:32 p.m.

2 stops20h 32m

C$ 418

Flights are sorted by cheapest round-trip flights first.

Deals found on 31/7

Showing 1-10 of 11 results
1
2

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 31 July 2025.
Read reviews from past customers who have flown WestJet and Flair Airlines 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
2,978 reviews
Check prices

Comfort

7.0

Boarding

7.4

Crew

7.9

Entertainment

6.1

Overall

7.2

Food

6.2

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
2,978 reviews
WestJet
7.2
Good
2,978 reviews
Check prices

Comfort

7.0

Boarding

7.4

Crew

7.9

Entertainment

6.1

Overall

7.2

Food

6.2

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

Boarding went smoothly, you didn't accept debit card for food on flight
Flair Airlines
6.0
Okay
247 reviews
WestJet
7.2
Good
2,978 reviews
Check prices

Comfort

7.0

Boarding

7.4

Crew

7.9

Entertainment

6.1

Overall

7.2

Food

6.2

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.

  • 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.

  • What is the cheapest month to book a flight from Toronto Region of Waterloo Intl Airport to San Francisco Bay Area?

    Currently, January is the cheapest month in which you can book a flight from Toronto Region of Waterloo Intl Airport to San Francisco Bay Area (average of C$ 276). Flying from Toronto Region of Waterloo Intl Airport to San Francisco Bay Area in December is currently the most expensive (average of C$ 368). 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

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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 2 airlines flying from Region of Waterloo Intl to San Francisco Bay Area

Discover the top 2 airlines 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 31 July 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 287AverageC$ 372FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 337AverageC$ 566FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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

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Why should you use Cheapflights to find cheap flight tickets from Region of Waterloo Intl to San Francisco Bay Area?

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