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Cheap flights from Toronto Region of Waterloo Intl Airport to San Francisco Bay Area from C$ 228

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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
YKF — SFO
6 May — 13 May1
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 1 May 2025.

Round-trip from

C$ 369

One-way from

C$ 228

Popular in

December

Cheapest in

March

Average price

C$ 517
WestJet
  • WestJet
  • 13/8-27/8
  • 2 total stops
  • 17h 52m total
  • Toronto to San Francisco Bay Area
WestJet
  • WestJet
  • 7/6
  • 1 total stop
  • 9h 05m total
  • Toronto to San Francisco Bay Area
Highest demand for flights based on searches. 1% potential increase in price (C$ 10 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 16 potential savings vs. average RT price).
Average for round-trip flights in May 2025

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 1 May 2025.

Wed 13/86:00 a.m.YKF - SFO
1 stop8h 56mWestJet
Wed 27/812:50 p.m.SFO - YKF
1 stop8h 56mWestJet
Deal found 30/4C$ 369
Thu 5/66:00 a.m.YKF - SFO
1 stop9h 05mMultiple Airlines
Wed 11/610:15 a.m.SFO - YKF
2 stops16h 15mMultiple Airlines
Deal found 30/4C$ 478
Fri 9/59:25 a.m.YKF - SFO
1 stop27h 05mFlair Airlines
Mon 12/510:15 a.m.SFO - YKF
1 stop17h 55mFlair Airlines
Deal found 30/4C$ 491
Tue 13/56:00 a.m.YKF - SJC
3 stops20h 29mMultiple Airlines
Thu 15/56:00 a.m.SJC - YKF
3 stops15h 46mMultiple Airlines
Deal found 30/4C$ 761
Thu 8/56:00 a.m.YKF - SJC
2 stops16h 25mWestJet
Mon 12/57:23 a.m.SJC - YKF
2 stops14h 23mWestJet
Deal found 1/5C$ 1,264
Thu 1/56:00 a.m.YKF - OAK
2 stops16h 15mMultiple Airlines
Sat 3/58:00 a.m.OAK - YKF
2 stops13h 46mMultiple Airlines
Deal found 30/4C$ 1,870

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 1 May 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

Wed 13/8

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

1 stop8h 56m

San Francisco

Wed 27/8

12:50 p.m.-12:46 a.m.

1 stop8h 56m

C$ 369

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Thu 29/5

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

1 stop27h 05m

San Francisco

Wed 4/6

10:15 a.m.-7:25 p.m.

1 stop30h 10m

C$ 453

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Thu 5/6

6:00 a.m.-12:05 p.m.

1 stop9h 05m

San Francisco

Wed 11/6

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

2 stops16h 15m

C$ 478

TorontoSan Jose

YKF - SJC

YKFSJC

Toronto Region of Waterloo Intl

Tue 13/5

6:00 a.m.-11:29 p.m.

3 stops20h 29m

San Jose

Thu 15/5

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

3 stops15h 46m

C$ 761

TorontoSan Jose

YKF - SJC

YKFSJC

Toronto Region of Waterloo Intl

Sun 8/6

6:00 a.m.-5:12 p.m.

2 stops14h 12m

San Jose

Tue 17/6

7:18 a.m.-12:46 a.m.

2 stops14h 28m

C$ 1,792

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Sat 7/6

6:00 a.m.-12:05 p.m.

1 stop9h 05m

C$ 228

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Thu 29/5

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

1 stop27h 05m

C$ 252

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Thu 22/5

6:00 a.m.-9:25 p.m.

1 stop18h 25m

C$ 296

TorontoSan Jose

YKF - SJC

YKFSJC

Toronto Region of Waterloo Intl

Wed 4/6

6:00 a.m.-11:29 p.m.

2 stops20h 29m

C$ 358

TorontoOakland

YKF - OAK

YKFOAK

Toronto Region of Waterloo Intl

Fri 16/5

6:00 a.m.-8:14 p.m.

2 stops17h 14m

C$ 518

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/4

Showing 1-10 of 11 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

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.

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

Find hourly flight availability from Region of Waterloo Intl to San Francisco Bay Area. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 May 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Toronto Region of Waterloo Intl Airport to San Francisco Bay Area as you normally would.

Rainfall in San Francisco Bay Area by month

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

In terms of precipitation, rainfall in San Francisco Bay Area ranges from 0.0 - 112.0 mm per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco Bay Area when rainfall is around 0.0 mm.

Temperature in San Francisco Bay Area by month

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

If weather is an important factor for your trip to San Francisco Bay Area, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

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 1 May 2025.
Peruse reviews from past customers who have flown with WestJet and Flair Airlines from Toronto to San Francisco Bay Area to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Food

6.2

Crew

7.9

Overall

7.2

Comfort

7.1

Boarding

7.4

Entertainment

6.1

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

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

Food

6.2

Crew

7.9

Overall

7.2

Comfort

7.1

Boarding

7.4

Entertainment

6.1

Reviews

1 / 20
6.0
Good

Deb,Jan 2025

YYZ - YYC

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

Food

6.2

Crew

7.9

Overall

7.2

Comfort

7.1

Boarding

7.4

Entertainment

6.1

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?

  • 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.

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 1 May 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 287AverageC$ 550FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 336AverageC$ 653FlexibilityNo 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?

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.

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