Find flights
When to book
Airlines
FAQs

Cheap flights from Toronto Region of Waterloo Intl Airport to San Francisco Bay Area from C$ 257

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.
YKF — SFO
17 Jun — 24 Jun1
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 18 May 2026.

Thu 11/68:40 p.m.
YKF
-
SFO
1 stop18h 20m
WestJet
Mon 22/66:00 a.m.
SFO
-
YKF
1 stop10h 50m
WestJet
Deal found 15/5C$ 517
Fri 9/108:40 p.m.
YKF
-
SFO
1 stop18h 20m
WestJet
Mon 12/106:00 a.m.
SFO
-
YKF
1 stop10h 50m
WestJet
Deal found 13/5C$ 524
Wed 17/68:40 p.m.
YKF
-
SFO
1 stop28h 15m
WestJet
Mon 22/66:00 a.m.
SFO
-
YKF
1 stop10h 50m
WestJet
Deal found 15/5C$ 536
Thu 1/108:40 p.m.
YKF
-
SFO
1 stop28h 15m
WestJet
Sat 10/101:00 p.m.
SFO
-
YKF
1 stop27h 50m
WestJet
Deal found 15/5C$ 538
Sun 26/78:40 p.m.
YKF
-
SFO
1 stop28h 15m
WestJet
Sun 6/96:05 p.m.
SFO
-
YKF
1 stop22h 45m
WestJet
Deal found 14/5C$ 542
Thu 11/68:40 p.m.
YKF
-
SFO
1 stop28h 15m
WestJet
Sat 20/66:05 p.m.
SFO
-
YKF
1 stop22h 45m
WestJet
Deal found 15/5C$ 544
Thu 16/78:40 p.m.
YKF
-
SFO
1 stop18h 20m
WestJet
Wed 22/76:00 a.m.
SFO
-
YKF
1 stop10h 50m
WestJet
Deal found 18/5C$ 546
Fri 11/98:40 p.m.
YKF
-
SFO
1 stop28h 15m
WestJet
Mon 14/96:00 a.m.
SFO
-
YKF
1 stop10h 50m
WestJet
Deal found 13/5C$ 547
Thu 17/98:40 p.m.
YKF
-
SFO
1 stop28h 15m
WestJet
Mon 21/91:00 p.m.
SFO
-
YKF
1 stop27h 50m
WestJet
Deal found 13/5C$ 549
Thu 11/68:40 p.m.
YKF
-
SFO
1 stop18h 20m
WestJet
Tue 23/66:00 a.m.
SFO
-
YKF
1 stop10h 50m
WestJet
Deal found 15/5C$ 550
Mon 17/88:40 p.m.
YKF
-
SFO
1 stop28h 15m
WestJet
Thu 27/86:05 p.m.
SFO
-
YKF
1 stop22h 45m
WestJet
Deal found 16/5C$ 553
Fri 12/68:40 p.m.
YKF
-
SJC
2 stops22h 25m
WestJet
Mon 15/69:54 a.m.
SJC
-
YKF
2 stops30h 56m
WestJet
Deal found 18/5C$ 1,156

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 18 May 2026.

Round-trip from

C$ 517

One-way from

C$ 257

Popular in

December

Cheapest in

November

Average price

C$ 608
WestJet
  • WestJet
  • 11/6-22/6
  • 2 total stops
  • 29h 10m total
  • Toronto to San Francisco Bay Area
Search Deals
WestJet
  • WestJet
  • 8/9
  • 1 total stop
  • 23h 00m total
  • Toronto to San Francisco Bay Area
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 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 18 May 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

Fri 14/8

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

1 stop28h 15m

San Francisco

Sat 22/8

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

1 stop22h 45m

C$ 546

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Fri 4/9

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

1 stop23h 00m

San Francisco

Sun 6/9

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

1 stop10h 50m

C$ 547

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Thu 13/8

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

1 stop28h 15m

San Francisco

Tue 18/8

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

1 stop22h 45m

C$ 569

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Fri 24/7

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

1 stop18h 20m

San Francisco

Mon 27/7

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

1 stop22h 45m

C$ 569

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Thu 13/8

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

1 stop28h 15m

San Francisco

Sat 22/8

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

1 stop22h 45m

C$ 576

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Sun 16/8

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

1 stop28h 15m

San Francisco

Sun 23/8

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

1 stop10h 50m

C$ 582
Quickest round-trip

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Wed 2/9

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

1 stop18h 20m

San Francisco

Wed 16/9

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

1 stop10h 50m

C$ 587

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Mon 10/8

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

1 stop28h 15m

San Francisco

Mon 31/8

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

1 stop10h 50m

C$ 599

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Fri 24/7

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

1 stop18h 20m

San Francisco

Sun 26/7

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

1 stop22h 45m

C$ 624

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Wed 15/7

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

1 stop23h 00m

San Francisco

Mon 20/7

6:45 p.m.-3:00 p.m.

2 stops17h 15m

C$ 733

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/5

Showing 1-10 of 47 resultsSorted by cheapest first
1
2
3
...
5

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 18 May 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
3,339 reviews
Check prices

Overall

7.2

Comfort

7.0

Crew

7.9

Entertainment

6.1

Boarding

7.4

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
3,339 reviews
WestJet
7.2
Good
3,339 reviews
Check prices

Overall

7.2

Comfort

7.0

Crew

7.9

Entertainment

6.1

Boarding

7.4

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.

  • 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$ 546. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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.
Pearson Intl to Los Angeles flights
Pearson Intl to Las Vegas flights
Pearson Intl to San Francisco flights
Pearson Intl to San Diego flights
Pearson Intl to Ontario flights
Toronto Island to Las Vegas flights
Toronto Island to Los Angeles flights
Region of Waterloo Intl to Los Angeles flights
Hamilton to Los Angeles flights
Hamilton to Las Vegas flights
Toronto Island to San Francisco flights
Region of Waterloo Intl to Las Vegas flights
Hamilton to San Francisco flights
Pearson Intl to Sacramento flights
Region of Waterloo Intl to San Francisco flights
Toronto Island to San Diego flights
Pearson Intl to San Jose flights
Hamilton to San Diego flights
Pearson Intl to Palm Springs flights
Pearson Intl to Santa Ana flights
Pearson Intl to Reno flights
Pearson Intl to Oakland flights
Region of Waterloo Intl to San Diego flights
Pearson Intl to Fresno flights
Region of Waterloo Intl to San Jose flights
Hamilton to San Jose flights
Hamilton to Ontario flights
Pearson Intl to Burbank flights
Pearson Intl to Santa Rosa flights
Pearson Intl to Long Beach flights
Hamilton to Palm Springs flights
Pearson Intl to Tijuana flights
Hamilton to Oakland flights
Pearson Intl to Redding flights
Pearson Intl to Monterey flights
Pearson Intl to Medford flights
Hamilton to Burbank flights
Region of Waterloo Intl to Palm Springs flights
Pearson Intl to Santa Barbara flights
Region of Waterloo Intl to Oakland flights
Region of Waterloo Intl to Sacramento flights
Hamilton to Sacramento flights
Pearson Intl to San Luis Obispo flights

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 18 May 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 306AverageC$ 388FlexibilityNo cancel feeOn-time60%
Search WestJet flights

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 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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.