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Cheap flights from San Francisco to Toronto from $310

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Toronto departing on 5/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

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WestJet Logo
7:30 am - 12:45 amSFO-YKF
14h 15m1 stop
WestJet Logo
6:00 am - 11:54 amYKF-SFO
8h 54m1 stop
$310WestJet
Find Deal
Sat, May 2 - Sun, May 17
Multiple Airlines Logo
1:00 pm - 5:29 amSFO-YKF
13h 29m1 stop
Multiple Airlines Logo
6:20 am - 9:30 amYKF-SFO
30h 10m3 stops
$371Multiple Airlines
Find Deal
Fri, Mar 6 - Mon, Mar 9
Multiple Airlines Logo
1:00 pm - 5:29 amSFO-YKF
13h 29m1 stop
Multiple Airlines Logo
7:05 am - 9:30 amYKF-SFO
29h 25m3 stops
$413Multiple Airlines
Find Deal
Fri, Mar 13 - Fri, Mar 20
Multiple Airlines Logo
8:08 pm - 5:28 amSFO-YKF
30h 20m2 stops
Multiple Airlines Logo
7:00 pm - 12:12 pmYKF-SFO
20h 12m1 stop
$427Multiple Airlines
Find Deal
Sun, Dec 28 - Sat, Jan 10
WestJet Logo
12:50 pm - 12:45 amSFO-YKF
8h 55m1 stop
WestJet Logo
6:00 am - 1:57 pmYKF-SFO
10h 57m2 stops
$559WestJet
Find Deal
Fri, May 22 - Mon, May 25
WestJet Logo
1:00 pm - 5:28 amSFO-YKF
13h 28m1 stop
WestJet Logo
7:00 pm - 12:12 pmYKF-SFO
20h 12m1 stop
$582WestJet
Find Deal
Sun, Dec 28 - Sat, Jan 10
Multiple Airlines Logo
1:00 pm - 5:28 amSFO-YKF
13h 28m1 stop
Multiple Airlines Logo
7:05 am - 7:00 pmYKF-SFO
14h 55m2 stops
$593Multiple Airlines
Find Deal
Fri, Jan 30 - Sun, Feb 8
WestJet Logo
1:05 pm - 5:29 amSFO-YKF
13h 24m2 stops
WestJet Logo
6:20 am - 12:10 pmYKF-SFO
8h 50m1 stop
$611WestJet
Find Deal
Mon, Mar 9 - Thu, Mar 19
WestJet Logo
10:30 am - 5:28 amSFO-YKF
15h 58m2 stops
WestJet Logo
6:20 am - 12:10 pmYKF-SFO
8h 50m1 stop
$659WestJet
Find Deal
Fri, Jan 30 - Mon, Feb 9
WestJet Logo
1:00 pm - 5:28 amSFO-YKF
13h 28m1 stop
WestJet Logo
6:20 am - 7:20 pmYKF-SFO
16h 00m2 stops
$691WestJet
Find Deal
Fri, Jan 23 - Mon, Feb 2

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
Dec 28
SFO1:00 pmSan Francisco
13h 28m
1 stop
YKF5:28 amToronto Region of Waterloo Intl
Jan 10
YKF7:00 pmToronto Region of Waterloo Intl
20h 12m
1 stop
SFO12:12 pmSan Francisco
$582
Find similar
WestJet
Jan 23
SFO1:00 pmSan Francisco
13h 28m
1 stop
YKF5:28 amToronto Region of Waterloo Intl
Feb 2
YKF6:20 amToronto Region of Waterloo Intl
16h 00m
2 stops
SFO7:20 pmSan Francisco
$691
Find similar
WestJet
Dec 25
SFO1:00 pmSan Francisco
13h 28m
1 stop
YKF5:28 amToronto Region of Waterloo Intl
Jan 8
YKF6:20 amToronto Region of Waterloo Intl
8h 52m
1 stop
SFO12:12 pmSan Francisco
$777
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 December 1, 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

Sat 5/2

7:30 am-12:45 am

1 stop14h 15m

Toronto Region of Waterloo Intl

Sun 5/17

6:00 am-11:54 am

1 stop8h 54m

$310

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Fri 3/6

1:00 pm-5:29 am

1 stop13h 29m

Toronto Region of Waterloo Intl

Mon 3/9

6:20 am-9:30 am

3 stops30h 10m

$371

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Fri 3/13

1:00 pm-5:29 am

1 stop13h 29m

Toronto Region of Waterloo Intl

Fri 3/20

7:05 am-9:30 am

3 stops29h 25m

$413

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Sun 12/28

8:08 pm-5:28 am

2 stops30h 20m

Toronto Region of Waterloo Intl

Sat 1/10

7:00 pm-12:12 pm

1 stop20h 12m

$427

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Fri 5/22

12:50 pm-12:45 am

1 stop8h 55m

Toronto Region of Waterloo Intl

Mon 5/25

6:00 am-1:57 pm

2 stops10h 57m

$559

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Sun 12/28

1:00 pm-5:28 am

1 stop13h 28m

Toronto Region of Waterloo Intl

Sat 1/10

7:00 pm-12:12 pm

1 stop20h 12m

$582

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Fri 1/30

1:00 pm-5:28 am

1 stop13h 28m

Toronto Region of Waterloo Intl

Sun 2/8

7:05 am-7:00 pm

2 stops14h 55m

$593

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Mon 3/9

1:05 pm-5:29 am

2 stops13h 24m

Toronto Region of Waterloo Intl

Thu 3/19

6:20 am-12:10 pm

1 stop8h 50m

$611

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Fri 1/30

10:30 am-5:28 am

2 stops15h 58m

Toronto Region of Waterloo Intl

Mon 2/9

6:20 am-12:10 pm

1 stop8h 50m

$659

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Fri 1/23

1:00 pm-5:28 am

1 stop13h 28m

Toronto Region of Waterloo Intl

Mon 2/2

6:20 am-7:20 pm

2 stops16h 00m

$691

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

8h 55m

Direct flights

None
The fastest flight from San Francisco to Toronto Region of Waterloo Intl Airport takes 8h 55m
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 13h 28m 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.

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