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Cheap flights from San Francisco to Toronto from $176

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Toronto departing on 10/11. 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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0 bags

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Find the cheapest flights from San Francisco to Toronto (SFO-YKF)

Cheap round-trip flights

WestJet Logo
12:50 pm - 12:45 amSFO-YKF
8h 55m1 stop
WestJet Logo
6:00 am - 1:57 pmYKF-SFO
10h 57m2 stops
$272WestJet
Find Deal
Fri, Oct 3 - Mon, Oct 6
WestJet Logo
12:50 pm - 12:45 amSFO-YKF
8h 55m1 stop
WestJet Logo
6:00 am - 11:54 amYKF-SFO
8h 54m1 stop
$274WestJet
Find Deal
Fri, Oct 3 - Mon, Oct 6
Logo
7:30 am - 5:30 amSFO-YKF
19h 00m2 stops
Logo
6:00 am - 9:24 pmYKF-SFO
18h 24m1 stop
$275
Find Deal
Tue, Oct 21 - Thu, Oct 23
Logo
7:30 am - 5:30 amSFO-YKF
19h 00m2 stops
Logo
6:30 am - 9:24 pmYKF-SFO
17h 54m2 stops
$277
Find Deal
Sat, Sep 20 - Wed, Sep 24
WestJet Logo
12:50 pm - 12:45 amSFO-YKF
8h 55m1 stop
WestJet Logo
6:00 am - 1:57 pmYKF-SFO
10h 57m2 stops
$278WestJet
Find Deal
Fri, Oct 10 - Sat, Oct 18
WestJet Logo
12:50 pm - 12:45 amSFO-YKF
8h 55m1 stop
WestJet Logo
6:00 am - 1:57 pmYKF-SFO
10h 57m2 stops
$279WestJet
Find Deal
Fri, Sep 26 - Mon, Sep 29
Logo
10:15 am - 5:30 amSFO-YKF
16h 15m2 stops
Logo
6:00 am - 11:54 amYKF-SFO
8h 54m1 stop
$281
Find Deal
Tue, Sep 23 - Tue, Sep 30
WestJet Logo
12:50 pm - 12:45 amSFO-YKF
8h 55m1 stop
WestJet Logo
6:00 am - 11:54 amYKF-SFO
8h 54m1 stop
$282WestJet
Find Deal
Fri, Oct 3 - Fri, Oct 24
Logo
10:15 am - 5:30 amSFO-YKF
16h 15m2 stops
Logo
6:00 am - 11:54 amYKF-SFO
8h 54m1 stop
$283
Find Deal
Tue, Sep 16 - Tue, Sep 23
WestJet Logo
12:50 pm - 12:45 amSFO-YKF
8h 55m1 stop
WestJet Logo
6:00 am - 11:54 amYKF-SFO
8h 54m1 stop
$285WestJet
Find Deal
Wed, Oct 1 - Mon, Oct 6

WestJet flights from San Francisco to Toronto Region of Waterloo Intl Airport

Our best WestJet deals on San Francisco to Toronto Region of Waterloo Intl Airport flight tickets
WestJet
Oct 3
SFO12:50 pmSan Francisco
8h 55m
1 stop
YKF12:45 amToronto Region of Waterloo Intl
Oct 6
YKF6:00 amToronto Region of Waterloo Intl
10h 57m
2 stops
SFO1:57 pmSan Francisco
$272
Find similar
WestJet
Oct 3
SFO12:50 pmSan Francisco
8h 55m
1 stop
YKF12:45 amToronto Region of Waterloo Intl
Oct 6
YKF6:00 amToronto Region of Waterloo Intl
8h 54m
1 stop
SFO11:54 amSan Francisco
$274
Find similar
WestJet
Oct 10
SFO12:50 pmSan Francisco
8h 55m
1 stop
YKF12:45 amToronto Region of Waterloo Intl
Oct 18
YKF6:00 amToronto Region of Waterloo Intl
10h 57m
2 stops
SFO1:57 pmSan Francisco
$278
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to Toronto Region of Waterloo Intl Airport 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 832,500 searches. Data last updated September 4, 2025.
Use the filters below to find and compare flights from San Francisco to Toronto Region of Waterloo Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Fri 10/3

12:50 pm-12:45 am

1 stop8h 55m

Toronto Region of Waterloo Intl

Mon 10/6

6:00 am-1:57 pm

2 stops10h 57m

$272

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Fri 10/3

12:50 pm-12:45 am

1 stop8h 55m

Toronto Region of Waterloo Intl

Mon 10/6

6:00 am-11:54 am

1 stop8h 54m

$274

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Tue 10/21

7:30 am-5:30 am

2 stops19h 00m

Toronto Region of Waterloo Intl

Thu 10/23

6:00 am-9:24 pm

1 stop18h 24m

$275

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Sat 9/20

7:30 am-5:30 am

2 stops19h 00m

Toronto Region of Waterloo Intl

Wed 9/24

6:30 am-9:24 pm

2 stops17h 54m

$277

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Fri 10/10

12:50 pm-12:45 am

1 stop8h 55m

Toronto Region of Waterloo Intl

Sat 10/18

6:00 am-1:57 pm

2 stops10h 57m

$278

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Fri 9/26

12:50 pm-12:45 am

1 stop8h 55m

Toronto Region of Waterloo Intl

Mon 9/29

6:00 am-1:57 pm

2 stops10h 57m

$279

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Tue 9/23

10:15 am-5:30 am

2 stops16h 15m

Toronto Region of Waterloo Intl

Tue 9/30

6:00 am-11:54 am

1 stop8h 54m

$281

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Fri 10/3

12:50 pm-12:45 am

1 stop8h 55m

Toronto Region of Waterloo Intl

Fri 10/24

6:00 am-11:54 am

1 stop8h 54m

$282

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Tue 9/16

10:15 am-5:30 am

2 stops16h 15m

Toronto Region of Waterloo Intl

Tue 9/23

6:00 am-11:54 am

1 stop8h 54m

$283

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Wed 10/1

12:50 pm-12:45 am

1 stop8h 55m

Toronto Region of Waterloo Intl

Mon 10/6

6:00 am-11:54 am

1 stop8h 54m

$285

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from San Francisco to Toronto Region of Waterloo Intl Airport

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

Can stopping save me money on San Francisco to Toronto Region of Waterloo Intl Airport flights?

You could potentially save up to 30% on your flight if you consider stops on a San Francisco to Toronto Region of Waterloo Intl Airport flight.

When to book flights from San Francisco to Toronto Region of Waterloo Intl Airport

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

Cheap San Francisco to Toronto Region of Waterloo Intl Airport (SFO to YKF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Toronto Region of Waterloo Intl Airport

Direct flights

None
There are no direct flights from San Francisco to Toronto Region of Waterloo Intl Airport. There are no popular flight routes from San Francisco to Toronto Region of Waterloo Intl Airport.
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  • How far is San Francisco to Toronto Region of Waterloo Intl by plane?

    The straight-line distance from San Francisco to Toronto Region of Waterloo Intl is 2212.8 mi. Typically, this will take 8h 55m by plane in normal conditions.

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

    Prices for flights from San Francisco Airport to Toronto Region of Waterloo Intl Airport were last updated today.

  • How old do you have to be to fly from San Francisco Airport to Toronto Region of Waterloo Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Francisco Airport to Toronto Region of Waterloo Intl Airport.

  • What documentation or ID do you need to fly to Toronto Region of Waterloo Intl Airport?

    The travel and health documents required for your trip to Toronto Region of Waterloo Intl 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 Toronto Region of Waterloo Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Toronto?

Book flights to Toronto if you plan to visit one of these locations
Sauble Beach
Southampton

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Toronto from San Francisco.

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

Yes. All flights to Toronto from San Francisco on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Toronto from San Francisco.

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

Yes. momondo can track prices for San Francisco to Toronto flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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