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Cheap flights from Toronto to San Francisco from C$ 213

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Toronto to San Francisco departing on 24/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Toronto to San Francisco (YTO-SFO)

Cheap round-trip flights

WestJet Logo
6:00 a.m. - 11:54 a.m.YHM-SFO
8h 54m1 stop
WestJet Logo
12:50 p.m. - 12:40 a.m.SFO-YHM
8h 50m1 stop
C$ 353WestJet
Find Deal
vie., 3 oct. - lun., 6 oct.
WestJet Logo
6:00 a.m. - 11:54 a.m.YHM-SFO
8h 54m1 stop
WestJet Logo
12:50 p.m. - 12:40 a.m.SFO-YHM
8h 50m1 stop
C$ 364WestJet
Find Deal
vie., 3 oct. - dom., 12 oct.
WestJet Logo
6:00 a.m. - 11:54 a.m.YHM-SFO
8h 54m1 stop
WestJet Logo
12:50 p.m. - 12:40 a.m.SFO-YHM
8h 50m1 stop
C$ 367WestJet
Find Deal
vie., 3 oct. - lun., 6 oct.
WestJet Logo
6:00 a.m. - 11:54 a.m.YHM-SFO
8h 54m1 stop
WestJet Logo
12:50 p.m. - 12:40 a.m.SFO-YHM
8h 50m1 stop
C$ 368WestJet
Find Deal
vie., 3 oct. - lun., 6 oct.
Logo
6:00 a.m. - 11:54 a.m.YHM-SFO
8h 54m1 stop
Logo
10:15 a.m. - 11:59 p.m.SFO-YHM
10h 44m1 stop
C$ 376
Find Deal
jue., 11 sep. - mié., 17 sep.
Logo
5:45 p.m. - 9:30 a.m.YHM-SFO
18h 45m1 stop
Logo
10:15 a.m. - 11:59 p.m.SFO-YHM
10h 44m1 stop
C$ 386
Find Deal
jue., 11 sep. - mié., 17 sep.
Porter Airlines Logo
9:45 a.m. - 12:40 p.m.YYZ-SFO
5h 55mdirect
Porter Airlines Logo
1:40 p.m. - 9:37 p.m.SFO-YYZ
4h 57mdirect
C$ 421Porter Airlines
Find Deal
mié., 29 oct. - mar., 4 nov.
Porter Airlines Logo
9:45 a.m. - 12:40 p.m.YYZ-SFO
5h 55mdirect
Porter Airlines Logo
1:40 p.m. - 9:37 p.m.SFO-YYZ
4h 57mdirect
C$ 443Porter Airlines
Find Deal
jue., 20 nov. - mar., 2 dic.
Air Canada Logo
6:20 p.m. - 8:53 p.m.YYZ-SFO
5h 33mdirect
Air Canada Logo
1:05 p.m. - 11:36 p.m.SFO-YYZ
7h 31m1 stop
C$ 459Air Canada
Find Deal
sáb., 27 sep. - lun., 29 sep.
Air Canada Logo
12:25 p.m. - 7:51 p.m.YTZ-SFO
10h 26m1 stop
Air Canada Logo
8:30 a.m. - 9:34 p.m.SFO-YTZ
10h 04m1 stop
C$ 498Air Canada
Find Deal
lun., 22 sep. - sáb., 27 sep.

WestJet flights from Toronto to San Francisco

Our best WestJet deals on Toronto to San Francisco flight tickets
WestJet
3 Oct
YHM6:00 a.m.Hamilton
8h 54m
1 stop
SFO11:54 a.m.San Francisco
6 Oct
SFO12:50 p.m.San Francisco
8h 50m
1 stop
YHM12:40 a.m.Hamilton
C$ 353
Find similar
WestJet
3 Oct
YHM6:00 a.m.Hamilton
8h 54m
1 stop
SFO11:54 a.m.San Francisco
12 Oct
SFO12:50 p.m.San Francisco
8h 50m
1 stop
YHM12:40 a.m.Hamilton
C$ 364
Find similar
WestJet
3 Oct
YHM6:00 a.m.Hamilton
8h 54m
1 stop
SFO11:54 a.m.San Francisco
6 Oct
SFO12:50 p.m.San Francisco
8h 50m
1 stop
YHM12:40 a.m.Hamilton
C$ 367
Find similar

Air Canada flights from Toronto to San Francisco

Our best Air Canada deals on Toronto to San Francisco flight tickets
Air Canada
27 Sep
YYZ6:20 p.m.Toronto Pearson Intl
5h 33m
SFO8:53 p.m.San Francisco
29 Sep
SFO1:05 p.m.San Francisco
7h 31m
1 stop
YYZ11:36 p.m.Toronto Pearson Intl
C$ 459
Find similar
Air Canada
29 Aug
YYZ8:05 a.m.Toronto Pearson Intl
5h 33m
SFO10:38 a.m.San Francisco
7 Sep
SFO7:25 a.m.San Francisco
4h 56m
YYZ3:21 p.m.Toronto Pearson Intl
C$ 477
Find similar
Air Canada
29 Aug
YYZ2:00 p.m.Toronto Pearson Intl
8h 57m
1 stop
SFO7:57 p.m.San Francisco
7 Sep
SFO7:25 a.m.San Francisco
4h 56m
YYZ3:21 p.m.Toronto Pearson Intl
C$ 484
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Toronto to San Francisco 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, momondo users made 96,600 searches. Data last updated 20 agosto 2025.
Use the filters below to find and compare flights from Toronto to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

vie. 3/10

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

1 stop8h 54m

San Francisco

lun. 6/10

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

1 stop8h 50m

C$ 353

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

vie. 3/10

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

1 stop8h 54m

San Francisco

dom. 12/10

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

1 stop8h 50m

C$ 364

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

vie. 3/10

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

1 stop8h 54m

San Francisco

lun. 6/10

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

1 stop8h 50m

C$ 367

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

vie. 3/10

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

1 stop8h 54m

San Francisco

lun. 6/10

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

1 stop8h 50m

C$ 368

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

jue. 11/9

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

1 stop8h 54m

San Francisco

mié. 17/9

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

1 stop10h 44m

C$ 376

HamiltonSan Francisco

YHM - SFO

YHMSFO

Hamilton

jue. 11/9

5:45 p.m.-9:30 a.m.

1 stop18h 45m

San Francisco

mié. 17/9

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

1 stop10h 44m

C$ 386

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

mié. 29/10

9:45 a.m.-12:40 p.m.

Nonstop5h 55m

San Francisco

mar. 4/11

1:40 p.m.-9:37 p.m.

Nonstop4h 57m

C$ 421

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

jue. 20/11

9:45 a.m.-12:40 p.m.

Nonstop5h 55m

San Francisco

mar. 2/12

1:40 p.m.-9:37 p.m.

Nonstop4h 57m

C$ 443

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

sáb. 27/9

6:20 p.m.-8:53 p.m.

Nonstop5h 33m

San Francisco

lun. 29/9

1:05 p.m.-11:36 p.m.

1 stop7h 31m

C$ 459

TorontoSan Francisco

YTZ - SFO

YTZSFO

Toronto Island

lun. 22/9

12:25 p.m.-7:51 p.m.

1 stop10h 26m

San Francisco

sáb. 27/9

8:30 a.m.-9:34 p.m.

1 stop10h 04m

C$ 498

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Francisco from

How to get the cheapest flight ticket from Toronto to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Toronto and San Francisco?

What is the cheapest month to fly to San Francisco?

The cheapest month to fly to San Francisco from Toronto is in April. Flight prices, which tend to average around C$ 448, are often lower during this time because this is during the off-season. The month of March is another great option to travel to San Francisco, with average flight prices from Toronto averaging around C$ 456.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Toronto to San Francisco is on a Friday. Travellers who choose to depart for San Francisco on a Friday will often find tickets for as low as C$ 811. On the other hand, Monday is the most expensive day to depart from Toronto because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 1,271.

What is the cheapest time of day to depart on your flight to San Francisco?

Flying to San Francisco from Toronto at noon is the least expensive time of day to depart. momondo users have found prices as low as C$ 649 when looking at flights departing at noon. In contrast, the most expensive time of day to depart to San Francisco is in the evening when prices are around C$ 1,393.

What is the cheapest Toronto to San Francisco flight route?

Fly from Toronto Pearson Intl to San Francisco for the best Toronto - San Francisco flight prices

How far in advance should I book a flight to San Francisco?

You are more likely to see cheaper flights to San Francisco from Toronto when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around C$ 528 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Toronto for as low as C$ 461 on momondo.

What cabin class options are available on Toronto to San Francisco flights?

There are 4 cabin classes available to choose from on Toronto to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Toronto to San Francisco flights?

You could potentially save up to 8% on your flight if you consider stops on a Toronto to San Francisco flight.

How have Toronto to San Francisco flight prices changed over time?

As of August 2025, prices for Toronto to San Francisco flights are approximately 47% cheaper when compared to flights at the same time last year.

When to book flights from Toronto to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Toronto to San Francisco according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Toronto to San Francisco (YTO to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Toronto to San Francisco

Best price found

C$ 538

Fastest flight time

5h 28m

Direct flights

Every day

Airports in San Francisco

1 airport
The best one-way flight to San Francisco from Toronto in the past 72 hours is C$ 538. The best round-trip flight deal from Toronto to San Francisco found on momondo in the last 72 hours is C$ 741.
The fastest flight from Toronto to San Francisco takes 5h 28m
Direct flights go from Toronto to San Francisco every day.
There is 1 airport near San Francisco: San Francisco (SFO)
Search flight deals

  • How far is Toronto to San Francisco by plane?

    The straight-line distance from Toronto to San Francisco is 3640.0 km. A reasonable flight in good conditions will take 5h 33m.

  • When did momondo last update prices for flights from Toronto to San Francisco Airport?

    Prices for flights from Toronto to San Francisco Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Toronto to San Francisco Airport?

  • How old do you have to be to fly from Toronto to San Francisco Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Toronto to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Toronto to San Francisco?

  • What is the most popular airline from Toronto to San Francisco?

Best airlines flying from Toronto to San Francisco

Compare and see reviews for airlines that fly from Toronto to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom C$ 258Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
WestJetPriceFrom C$ 287Free CancellationRating
7.2
3,032 reviews
Search WestJet flights
Air CanadaPriceFrom C$ 329Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
DeltaPriceFrom C$ 330Free CancellationRating
7.9
7,982 reviews
Search Delta flights
Porter AirlinesPriceFrom C$ 347Free CancellationRating
8.0
336 reviews
Search Porter Airlines flights
Air TransatPriceFrom C$ 422Free CancellationRating
7.7
430 reviews
Search Air Transat flights
Alaska AirlinesPriceFrom C$ 423Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom C$ 429Free CancellationRating
7.4
8,928 reviews
Search United Airlines flights

  • Porter Airlines Flights From Toronto to San Francisco

    Across 5 Porter Airlines flights from Toronto to San Francisco this week, the average price was C$ 357, with the best Porter Airlines deals starting from C$ 251 round-trip. 336 users have rated Porter Airlines on momondo, with an average score of 8.0/10.

  • Air Transat Flights From Toronto to San Francisco

    The best Air Transat deal for Toronto to San Francisco flight tickets found on momondo in the last 72 hours was C$ 305, round-trip. It should be noted that an average Air Transat flight deal for this route in this time was higher, at C$ 370 round-trip. Air Transat operates 5 flights out of Toronto into San Francisco in an average week, so prices vary by time and availability. 430 Air Transat reviews by users on momondo have scored the airline at 7.7/10.

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
San Mateo
Belmont
Los Altos
San Bruno
Santa Cruz
Newark
Fremont
Turlock
South San Francisco
Mountain View
Half Moon Bay
Sunnyvale
Cupertino
Mill Valley
Los Banos
Palo Alto
Pacifica
Berkeley
Roseville
Woodland

Why use momondo?

Why should I use momondo to find a flight deal from Toronto to San Francisco?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Toronto to San Francisco for you.

Can I find flights from Toronto to San Francisco with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Toronto to San Francisco flights to just show those with flexible booking policies.

How can momondo help me find flights from Toronto to San Francisco?

momondo helps you find the best flight between Toronto and San Francisco by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Toronto to San Francisco right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to San Francisco from Toronto. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your San Francisco trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
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