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Cheap flights from Toronto Region of Waterloo Intl Airport to San Francisco Bay Area from C$ 249

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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
YKF — SFO
1 May — 8 May1
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 1 April 2026.

Sun 14/68:40 p.m.
YKF
-
SFO
1 stop18h 20m
WestJet
Sun 21/66:00 a.m.
SFO
-
YKF
1 stop10h 50m
WestJet
Deal found 1/4C$ 460
Wed 17/68:40 p.m.
YKF
-
SFO
1 stop18h 20m
WestJet
Mon 22/66:00 a.m.
SFO
-
YKF
1 stop10h 50m
WestJet
Deal found 1/4C$ 461
Wed 6/58:40 p.m.
YKF
-
SFO
1 stop28h 15m
WestJet
Sun 10/51:00 p.m.
SFO
-
YKF
1 stop27h 50m
WestJet
Deal found 28/3C$ 463
Fri 1/58:40 p.m.
YKF
-
SFO
1 stop18h 20m
WestJet
Mon 4/56:00 a.m.
SFO
-
YKF
1 stop10h 50m
WestJet
Deal found 30/3C$ 464
Wed 27/58:40 p.m.
YKF
-
SFO
1 stop18h 20m
WestJet
Tue 2/66:00 a.m.
SFO
-
YKF
1 stop10h 50m
WestJet
Deal found 28/3C$ 467
Fri 1/58:40 p.m.
YKF
-
SFO
1 stop18h 20m
WestJet
Sun 3/51:00 p.m.
SFO
-
YKF
1 stop27h 50m
WestJet
Deal found 28/3C$ 476
Fri 29/58:40 p.m.
YKF
-
SFO
1 stop28h 15m
WestJet
Mon 1/66:05 p.m.
SFO
-
YKF
1 stop22h 45m
WestJet
Deal found 1/4C$ 482
Fri 12/68:40 p.m.
YKF
-
SFO
1 stop23h 00m
WestJet
Sun 21/66:00 a.m.
SFO
-
YKF
1 stop10h 50m
WestJet
Deal found 1/4C$ 489
Fri 1/56:05 a.m.
YKF
-
SJC
2 stops18h 56m
Multiple Airlines
Mon 4/57:20 a.m.
SJC
-
YKF
2 stops28h 40m
Multiple Airlines
Deal found 30/3C$ 934
Sun 10/57:05 p.m.
YKF
-
SJC
3 stops27h 14m
Multiple Airlines
Sat 16/52:49 p.m.
SJC
-
YKF
3 stops24h 31m
Multiple Airlines
Deal found 28/3C$ 990
Fri 29/58:40 p.m.
YKF
-
SJC
2 stops20h 31m
Multiple Airlines
Sat 6/69:53 a.m.
SJC
-
YKF
3 stops29h 27m
Multiple Airlines
Deal found 30/3C$ 1,043
Sun 19/46:05 a.m.
YKF
-
SJC
2 stops34h 13m
Multiple Airlines
Fri 24/41:59 p.m.
SJC
-
YKF
2 stops22h 01m
Multiple Airlines
Deal found 30/3C$ 1,114

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 1 April 2026.

Round-trip from

C$ 460

One-way from

C$ 249

Popular in

December

Cheapest in

April

Average price

C$ 472
WestJet
  • WestJet
  • 14/6-21/6
  • 2 total stops
  • 29h 10m total
  • Toronto to San Francisco Bay Area
Search Deals
WestJet
  • WestJet
  • 5/6
  • 1 total stop
  • 18h 20m total
  • Toronto to San Francisco Bay Area
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 1 April 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Sun 21/6

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

1 stop28h 15m

San Francisco

Wed 24/6

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

1 stop10h 50m

C$ 463

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Fri 8/5

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

1 stop18h 20m

San Francisco

Fri 15/5

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

1 stop10h 50m

C$ 463

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Sat 6/6

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

1 stop28h 15m

San Francisco

Sun 14/6

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

1 stop10h 50m

C$ 470

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Wed 27/5

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

1 stop18h 20m

San Francisco

Tue 2/6

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

1 stop22h 45m

C$ 499

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Mon 21/9

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

1 stop28h 15m

San Francisco

Thu 1/10

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

1 stop10h 50m

C$ 526

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Tue 25/8

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

1 stop28h 15m

San Francisco

Sun 30/8

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

1 stop10h 50m

C$ 533

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Fri 21/8

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

1 stop18h 20m

San Francisco

Mon 31/8

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

1 stop10h 50m

C$ 533

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Tue 28/7

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

1 stop23h 00m

San Francisco

Wed 5/8

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

1 stop10h 50m

C$ 550

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Mon 7/9

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

1 stop28h 15m

San Francisco

Thu 10/9

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

1 stop10h 50m

C$ 590

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Wed 8/7

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

1 stop28h 15m

San Francisco

Mon 13/7

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

1 stop10h 50m

C$ 633

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/3

Showing 1-10 of 45 resultsSorted by cheapest first
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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 1 April 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
3,308 reviews
Check prices

Food

6.2

Boarding

7.4

Comfort

7.0

Entertainment

6.1

Crew

7.9

Overall

7.2

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
3,308 reviews
WestJet
7.2
Good
3,308 reviews
Check prices

Food

6.2

Boarding

7.4

Comfort

7.0

Entertainment

6.1

Crew

7.9

Overall

7.2

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.

  • 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$ 463. 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 1 April 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 309AverageC$ 373FlexibilityNo 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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