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Cheap flights from Toronto to San Francisco Bay Area from C$ 202

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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — SFO
16 Oct — 23 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Toronto to San Francisco Bay Area

Keep the following information in mind while searching for Toronto to San Francisco Bay Area flight deals. Data was last updated 16 September 2025.

Round-trip from

C$ 334

One-way from

C$ 202

Popular in

December

Cheapest in

April

Average price

C$ 569
WestJet
  • WestJet
  • 6/10-11/10
  • 2 total stops
  • 17h 44m total
  • Toronto to San Francisco Bay Area
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WestJet
  • WestJet
  • 7/10
  • 1 total stop
  • 8h 54m total
  • Toronto to San Francisco Bay Area
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Toronto to San Francisco Bay Area

Cheapest flights from Toronto to San Francisco Bay Area
Explore the most affordable flight options available from Toronto to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Wed 1/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Sat 11/1012:50 p.m.SFO - YHM
1 stop8h 50mWestJet
Deal found 15/9C$ 334
Mon 6/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Sun 12/1012:50 p.m.SFO - YHM
1 stop8h 50mWestJet
Deal found 15/9C$ 336
Tue 7/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Thu 9/1012:50 p.m.SFO - YHM
1 stop8h 50mWestJet
Deal found 14/9C$ 347
Mon 6/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Thu 9/1012:50 p.m.SFO - YHM
1 stop8h 50mWestJet
Deal found 15/9C$ 348
Wed 15/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Wed 22/1012:50 p.m.SFO - YHM
1 stop8h 50mWestJet
Deal found 15/9C$ 351
Wed 15/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Tue 21/1012:50 p.m.SFO - YHM
1 stop8h 50mWestJet
Deal found 16/9C$ 352
Wed 1/106:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Wed 8/1012:50 p.m.SFO - YHM
1 stop8h 50mWestJet
Deal found 14/9C$ 358
Tue 30/96:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Tue 7/1012:50 p.m.SFO - YHM
1 stop8h 50mWestJet
Deal found 16/9C$ 359
Tue 30/96:00 a.m.YHM - SFO
1 stop8h 54mWestJet
Wed 1/1012:50 p.m.SFO - YHM
1 stop8h 50mWestJet
Deal found 15/9C$ 362
Wed 1/106:00 a.m.YHM - SFO
1 stop8h 54mMultiple Airlines
Mon 6/1010:15 a.m.SFO - YHM
1 stop10h 44mMultiple Airlines
Deal found 15/9C$ 363
Fri 31/109:45 a.m.YYZ - SFO
Nonstop5h 55mPorter Airlines
Mon 10/111:40 p.m.SFO - YYZ
Nonstop4h 57mPorter Airlines
Deal found 15/9C$ 374
Fri 12/129:45 a.m.YYZ - SFO
Nonstop5h 55mPorter Airlines
Mon 15/121:40 p.m.SFO - YYZ
Nonstop4h 57mPorter Airlines
Deal found 15/9C$ 376

Cheapflights Fare Finder

 
Customize your flight search to find flights from Toronto 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 16 September 2025.
Use the filters below to find and compare flights from Toronto to San Francisco Bay Area that are best for you.

Fly from

Toronto

Fly to

San Francisco Bay Area

Route

Depart

Return

Price

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Wed 8/10

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

1 stop8h 54m

San Francisco

Sat 11/10

12:50 p.m.-12:40 a.m.

1 stop8h 50m

C$ 334

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Wed 15/10

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

1 stop8h 54m

San Francisco

Wed 22/10

12:50 p.m.-12:40 a.m.

1 stop8h 50m

C$ 351

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Wed 1/10

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

1 stop8h 54m

San Francisco

Wed 8/10

12:50 p.m.-12:40 a.m.

1 stop8h 50m

C$ 358

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Tue 30/9

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

1 stop8h 54m

San Francisco

Tue 7/10

12:50 p.m.-12:40 a.m.

1 stop8h 50m

C$ 359

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Wed 1/10

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

1 stop8h 54m

San Francisco

Mon 6/10

10:15 a.m.-11:59 p.m.

1 stop10h 44m

C$ 363

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Fri 24/10

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

1 stop8h 54m

San Francisco

Tue 28/10

1:00 p.m.-5:17 p.m.

1 stop25h 17m

C$ 376

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

Wed 1/10

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

1 stop8h 54m

San Francisco

Sun 5/10

7:30 a.m.-12:40 a.m.

1 stop14h 10m

C$ 396

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Wed 15/10

7:45 p.m.-10:13 a.m.

1 stop17h 28m

San Jose

Mon 20/10

10:53 a.m.-6:12 a.m.

2 stops16h 19m

C$ 402

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Wed 15/10

7:45 p.m.-10:13 a.m.

1 stop17h 28m

San Jose

Tue 21/10

6:15 a.m.-9:50 p.m.

1 stop12h 35m

C$ 414

TorontoSan Francisco

YTZ - SFO

YTZSFO

Toronto Island

Sat 15/11

3:30 p.m.-9:22 p.m.

1 stop8h 52m

San Francisco

Wed 14/1

8:25 a.m.-9:35 p.m.

1 stop10h 10m

C$ 424

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/9

Showing 1-10 of 60 results
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Best time to book a flight from Toronto to San Francisco Bay Area

Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area from Toronto 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 to San Francisco Bay Area

What is the cheapest month to book a flight from Toronto to San Francisco Bay Area?

Currently, January is the cheapest month in which you can book a flight from Toronto to San Francisco Bay Area (average of C$ 276). Flying from Toronto 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 YTO to XIH?

Find hourly flight availability from Toronto 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 16 September 2025.

When flying from Toronto to San Francisco Bay Area, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Toronto to San Francisco Bay Area

Explore weekly flight availability from Toronto to San Francisco Bay Area. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 16 September 2025.

The most flights from YTO to zzXIH are scheduled on a Monday (22 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (18 on average).

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 16 September 2025.
Read through reviews of airlines operating flights from Toronto to San Francisco Bay Area, such as Porter Airlines,Air Transat, andUnited Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
7.9
Good
363 reviews
Check prices

Boarding

8.1

Crew

8.6

Entertainment

7.0

Overall

7.9

Food

7.6

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Boarding

8.1

Crew

8.6

Entertainment

7.0

Overall

7.9

Food

7.6

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Transat
7.7
Good
438 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Boarding

8.1

Crew

8.6

Entertainment

7.0

Overall

7.9

Food

7.6

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
United Airlines
7.4
Good
8,924 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Boarding

8.1

Crew

8.6

Entertainment

7.0

Overall

7.9

Food

7.6

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
WestJet
7.2
Good
3,093 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Boarding

8.1

Crew

8.6

Entertainment

7.0

Overall

7.9

Food

7.6

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Boarding

8.1

Crew

8.6

Entertainment

7.0

Overall

7.9

Food

7.6

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Related info for your journey

Find useful and relevant information for your journey from Toronto 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 to San Francisco Bay Area?

    There are many flights that can get you from Toronto to San Francisco Bay Area in 8h 52m. Fly via WestJet, Air Canada, or Delta to get the fastest option. The distance from Toronto to San Francisco Bay Area is about 3644 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Toronto to San Francisco Bay Area one-way?

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at C$ 209. Air Canada flights start at C$ 240 while deals on Porter Airlines start at C$ 242 one-way.

  • What are the most popular routes from Toronto to San Francisco Bay Area?

    While some choose either Toronto Island - San Francisco or Hamilton - San Francisco, Toronto Pearson Intl - San Francisco is the most popular route from Toronto to San Francisco Bay Area.

  • What are the most reliable airlines from Toronto to San Francisco Bay Area?

    The top 3 most reliable airlines when flying from Toronto to San Francisco Bay Area are Porter Airlines (82%), Air Transat (82%) and Singapore Airlines (61%).

  • What are the cheapest flights from Toronto to San Francisco Bay Area?

    Looking for the cheapest flight from Toronto to San Francisco Bay Area? While on average our users pay C$ 1,321, our data indicates the cheapest price to be C$ 250. The most popular route (Toronto Pearson Intl - San Francisco), is priced around C$ 283.

  • Can I find deals for flights from Toronto to San Francisco Bay Area that include hotel bookings?

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

  • How can I find direct flights from Toronto 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 Toronto to San Francisco Bay Area.

  • Can I find deals for business class flights from Toronto to San Francisco Bay Area?

    Yes. Cheapflights offers flight deals from Toronto 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 to San Francisco Bay Area?

    Currently, January is the cheapest month in which you can book a flight from Toronto to San Francisco Bay Area (average of C$ 276). Flying from Toronto 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 Toronto 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 8 airlines flying from Toronto to San Francisco Bay Area

Discover the top 8 airlines that operate flights from Toronto 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 16 September 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 257AverageC$ 589FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 287AverageC$ 429FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 299AverageC$ 506FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 329AverageC$ 559FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 346AverageC$ 494FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 383AverageC$ 558FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Alaska AirlinesCheapestC$ 389AverageC$ 645FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Air TransatCheapestC$ 425AverageC$ 512FlexibilityNo cancel feeOn-time50%
Search Air Transat flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Toronto to San Francisco Bay Area?

When you search for this flight from Toronto to San Francisco Bay Area, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Toronto to San Francisco Bay Area?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Toronto to San Francisco Bay Area.

Can Cheapflights find flights from Toronto to San Francisco Bay Area with no change fees?

Need flexible booking options for your flight to San Francisco Bay Area from Toronto? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Toronto to San Francisco Bay Area become cheaper?

Not ready to book yet? You can track prices for flights from Toronto to San Francisco Bay Area on Cheapflights with our Price Alert feature and get notified when better prices are available.

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