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Cheap flights from San Francisco to Toronto from $165

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 6/13. 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

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
6:05 pm - 7:50 pm
SFO
-
YKF
22h 45m
1 stop
WestJet Logo
8:40 pm - 12:00 pm
YKF
-
SFO
18h 20m
1 stop
$418WestJet
Sat, Sep 5 - Sat, Sep 12
WestJet Logo
6:00 am - 7:50 pm
SFO
-
YKF
10h 50m
1 stop
WestJet Logo
8:40 pm - 9:55 pm
YKF
-
SFO
28h 15m
1 stop
$423WestJet
Tue, Sep 22 - Wed, Sep 30
WestJet Logo
6:00 am - 7:50 pm
SFO
-
YKF
10h 50m
1 stop
WestJet Logo
8:40 pm - 4:40 pm
YKF
-
SFO
23h 00m
1 stop
$426WestJet
Tue, Jun 23 - Tue, Jun 30
WestJet Logo
6:00 am - 7:50 pm
SFO
-
YKF
10h 50m
1 stop
WestJet Logo
8:40 pm - 12:00 pm
YKF
-
SFO
18h 20m
1 stop
$439WestJet
Thu, Sep 17 - Sun, Sep 20
WestJet Logo
6:00 am - 7:50 pm
SFO
-
YKF
10h 50m
1 stop
WestJet Logo
8:40 pm - 9:55 pm
YKF
-
SFO
28h 15m
1 stop
$440WestJet
Tue, Sep 29 - Wed, Sep 30
WestJet Logo
6:00 am - 7:50 pm
SFO
-
YKF
10h 50m
1 stop
WestJet Logo
8:40 pm - 12:00 pm
YKF
-
SFO
18h 20m
1 stop
$445WestJet
Wed, Sep 2 - Fri, Sep 11
WestJet Logo
6:00 am - 7:50 pm
SFO
-
YKF
10h 50m
1 stop
WestJet Logo
8:40 pm - 9:55 pm
YKF
-
SFO
28h 15m
1 stop
$447WestJet
Thu, Sep 10 - Mon, Sep 14
WestJet Logo
6:00 am - 7:50 pm
SFO
-
YKF
10h 50m
1 stop
WestJet Logo
8:40 pm - 4:40 pm
YKF
-
SFO
23h 00m
1 stop
$448WestJet
Wed, Jun 24 - Tue, Jun 30
WestJet Logo
1:00 pm - 7:50 pm
SFO
-
YKF
27h 50m
1 stop
WestJet Logo
8:40 pm - 9:55 pm
YKF
-
SFO
28h 15m
1 stop
$450WestJet
Tue, May 12 - Wed, May 20
WestJet Logo
6:00 am - 7:50 pm
SFO
-
YKF
10h 50m
1 stop
WestJet Logo
8:40 pm - 9:55 pm
YKF
-
SFO
28h 15m
1 stop
$455WestJet
Thu, Sep 3 - Mon, Sep 7

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
Sep 5
SFO6:05 pmSan Francisco
22h 45m
1 stop
YKF7:50 pmToronto Region of Waterloo Intl
Sep 12
YKF8:40 pmToronto Region of Waterloo Intl
18h 20m
1 stop
SFO12:00 pmSan Francisco
$418
WestJet
Sep 22
SFO6:00 amSan Francisco
10h 50m
1 stop
YKF7:50 pmToronto Region of Waterloo Intl
Sep 30
YKF8:40 pmToronto Region of Waterloo Intl
28h 15m
1 stop
SFO9:55 pmSan Francisco
$423
WestJet
Jun 23
SFO6:00 amSan Francisco
10h 50m
1 stop
YKF7:50 pmToronto Region of Waterloo Intl
Jun 30
YKF8:40 pmToronto Region of Waterloo Intl
23h 00m
1 stop
SFO4:40 pmSan Francisco
$426

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 May 3, 2026.
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

Cheapest round-trip

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Sat 9/5

6:05 pm-7:50 pm

1 stop22h 45m

Toronto Region of Waterloo Intl

Sat 9/12

8:40 pm-12:00 pm

1 stop18h 20m

$418

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Tue 9/22

6:00 am-7:50 pm

1 stop10h 50m

Toronto Region of Waterloo Intl

Wed 9/30

8:40 pm-9:55 pm

1 stop28h 15m

$423

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Tue 6/23

6:00 am-7:50 pm

1 stop10h 50m

Toronto Region of Waterloo Intl

Tue 6/30

8:40 pm-4:40 pm

1 stop23h 00m

$426
Quickest round-trip

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Thu 9/17

6:00 am-7:50 pm

1 stop10h 50m

Toronto Region of Waterloo Intl

Sun 9/20

8:40 pm-12:00 pm

1 stop18h 20m

$439

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Tue 9/29

6:00 am-7:50 pm

1 stop10h 50m

Toronto Region of Waterloo Intl

Wed 9/30

8:40 pm-9:55 pm

1 stop28h 15m

$440

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Wed 9/2

6:00 am-7:50 pm

1 stop10h 50m

Toronto Region of Waterloo Intl

Fri 9/11

8:40 pm-12:00 pm

1 stop18h 20m

$445

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Thu 9/10

6:00 am-7:50 pm

1 stop10h 50m

Toronto Region of Waterloo Intl

Mon 9/14

8:40 pm-9:55 pm

1 stop28h 15m

$447

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Wed 6/24

6:00 am-7:50 pm

1 stop10h 50m

Toronto Region of Waterloo Intl

Tue 6/30

8:40 pm-4:40 pm

1 stop23h 00m

$448

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Tue 5/12

1:00 pm-7:50 pm

1 stop27h 50m

Toronto Region of Waterloo Intl

Wed 5/20

8:40 pm-9:55 pm

1 stop28h 15m

$450

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Thu 9/3

6:00 am-7:50 pm

1 stop10h 50m

Toronto Region of Waterloo Intl

Mon 9/7

8:40 pm-9:55 pm

1 stop28h 15m

$455

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

Fastest flight time

10h 50m

Direct flights

None
The fastest flight from San Francisco to Toronto Region of Waterloo Intl Airport takes 10h 50m
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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Frequently asked questions about flying from San Francisco to Toronto Region of Waterloo Intl Airport

  • 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 2212.6 mi. Typically, this will take 10h 50m 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
Port Elgin

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.

An easier way to manage your Toronto Region of Waterloo Intl Airport trip

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