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Cheap flights from Toronto Region of Waterloo Intl Airport to San Francisco from C$ 235

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 Region of Waterloo Intl Airport to San Francisco departing on 27/11. 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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Find the cheapest flights from Toronto Region of Waterloo Intl Airport to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:20 a.m. - 12:12 p.m.YKF-SFO
8h 52m1 stop
Multiple Airlines Logo
10:15 a.m. - 5:28 a.m.SFO-YKF
16h 13m2 stops
C$ 368Multiple Airlines
Find Deal
Thu, 30 Oct - Sun, 2 Nov
WestJet Logo
7:00 p.m. - 12:10 p.m.YKF-SFO
20h 10m1 stop
WestJet Logo
1:00 p.m. - 5:29 a.m.SFO-YKF
13h 29m1 stop
C$ 370WestJet
Find Deal
Sat, 14 Mar - Sun, 22 Mar
Multiple Airlines Logo
6:20 a.m. - 12:12 p.m.YKF-SFO
8h 52m1 stop
Multiple Airlines Logo
10:15 a.m. - 5:28 a.m.SFO-YKF
16h 13m3 stops
C$ 374Multiple Airlines
Find Deal
Thu, 30 Oct - Sun, 2 Nov
WestJet Logo
6:20 a.m. - 12:12 p.m.YKF-SFO
8h 52m1 stop
WestJet Logo
1:00 p.m. - 5:28 a.m.SFO-YKF
13h 28m1 stop
C$ 377WestJet
Find Deal
Thu, 30 Oct - Sun, 2 Nov
WestJet Logo
6:20 a.m. - 12:12 p.m.YKF-SFO
8h 52m1 stop
WestJet Logo
1:00 p.m. - 5:28 a.m.SFO-YKF
13h 28m1 stop
C$ 386WestJet
Find Deal
Thu, 30 Oct - Sun, 2 Nov
WestJet Logo
6:20 a.m. - 12:12 p.m.YKF-SFO
8h 52m1 stop
WestJet Logo
1:00 p.m. - 5:28 a.m.SFO-YKF
13h 28m1 stop
C$ 405WestJet
Find Deal
Thu, 30 Oct - Sun, 2 Nov
WestJet Logo
6:20 a.m. - 12:12 p.m.YKF-SFO
8h 52m1 stop
WestJet Logo
1:00 p.m. - 5:28 a.m.SFO-YKF
13h 28m1 stop
C$ 430WestJet
Find Deal
Thu, 4 Dec - Fri, 9 Jan
Multiple Airlines Logo
6:20 a.m. - 12:12 p.m.YKF-SFO
8h 52m1 stop
Multiple Airlines Logo
10:15 a.m. - 5:28 a.m.SFO-YKF
16h 13m2 stops
C$ 442Multiple Airlines
Find Deal
Thu, 13 Nov - Sun, 16 Nov
Multiple Airlines Logo
6:20 a.m. - 8:34 p.m.YKF-SFO
17h 14m2 stops
Multiple Airlines Logo
7:30 a.m. - 5:28 a.m.SFO-YKF
18h 58m2 stops
C$ 449Multiple Airlines
Find Deal
Thu, 20 Nov - Fri, 28 Nov
Multiple Airlines Logo
6:15 a.m. - 9:30 a.m.YKF-SFO
30h 15m3 stops
Multiple Airlines Logo
1:00 p.m. - 5:28 a.m.SFO-YKF
13h 28m1 stop
C$ 566Multiple Airlines
Find Deal
Fri, 24 Oct - Fri, 31 Oct

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

Our best WestJet deals on Toronto Region of Waterloo Intl Airport to San Francisco flight tickets
WestJet
14 Mar
YKF7:00 p.m.Toronto Region of Waterloo Intl
20h 10m
1 stop
SFO12:10 p.m.San Francisco
22 Mar
SFO1:00 p.m.San Francisco
13h 29m
1 stop
YKF5:29 a.m.Toronto Region of Waterloo Intl
C$ 370
Find similar
WestJet
30 Oct
YKF6:20 a.m.Toronto Region of Waterloo Intl
8h 52m
1 stop
SFO12:12 p.m.San Francisco
2 Nov
SFO1:00 p.m.San Francisco
13h 28m
1 stop
YKF5:28 a.m.Toronto Region of Waterloo Intl
C$ 377
Find similar
WestJet
30 Oct
YKF6:20 a.m.Toronto Region of Waterloo Intl
8h 52m
1 stop
SFO12:12 p.m.San Francisco
2 Nov
SFO1:00 p.m.San Francisco
13h 28m
1 stop
YKF5:28 a.m.Toronto Region of Waterloo Intl
C$ 386
Find similar

Flair Airlines flights from Toronto Region of Waterloo Intl Airport to San Francisco

Our best Flair Airlines deals on Toronto Region of Waterloo Intl Airport to San Francisco flight tickets
Flair Airlines
16 Oct
YKF6:00 a.m.Toronto Region of Waterloo Intl
30h 30m
2 stops
SFO9:30 a.m.San Francisco
21 Oct
SFO10:15 a.m.San Francisco
16h 15m
2 stops
YKF5:30 a.m.Toronto Region of Waterloo Intl
C$ 648
Find similar
Flair Airlines
16 Oct
YKF6:00 a.m.Toronto Region of Waterloo Intl
30h 30m
2 stops
SFO9:30 a.m.San Francisco
19 Oct
SFO10:15 a.m.San Francisco
16h 00m
2 stops
YKF5:15 a.m.Toronto Region of Waterloo Intl
C$ 967
Find similar
Flair Airlines
16 Oct
YKF6:00 a.m.Toronto Region of Waterloo Intl
30h 30m
2 stops
SFO9:30 a.m.San Francisco
19 Oct
SFO10:15 a.m.San Francisco
16h 00m
2 stops
YKF5:15 a.m.Toronto Region of Waterloo Intl
C$ 1,005
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Toronto Region of Waterloo Intl Airport 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 13 October 2025.
Use the filters below to find and compare flights from Toronto Region of Waterloo Intl Airport to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Thu 30/10

6:20 a.m.-12:12 p.m.

1 stop8h 52m

San Francisco

Sun 2/11

10:15 a.m.-5:28 a.m.

2 stops16h 13m

C$ 368

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Sat 14/3

7:00 p.m.-12:10 p.m.

1 stop20h 10m

San Francisco

Sun 22/3

1:00 p.m.-5:29 a.m.

1 stop13h 29m

C$ 370

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Thu 30/10

6:20 a.m.-12:12 p.m.

1 stop8h 52m

San Francisco

Sun 2/11

10:15 a.m.-5:28 a.m.

3 stops16h 13m

C$ 374

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Thu 30/10

6:20 a.m.-12:12 p.m.

1 stop8h 52m

San Francisco

Sun 2/11

1:00 p.m.-5:28 a.m.

1 stop13h 28m

C$ 377

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Thu 30/10

6:20 a.m.-12:12 p.m.

1 stop8h 52m

San Francisco

Sun 2/11

1:00 p.m.-5:28 a.m.

1 stop13h 28m

C$ 386

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Thu 30/10

6:20 a.m.-12:12 p.m.

1 stop8h 52m

San Francisco

Sun 2/11

1:00 p.m.-5:28 a.m.

1 stop13h 28m

C$ 405

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Thu 4/12

6:20 a.m.-12:12 p.m.

1 stop8h 52m

San Francisco

Fri 9/1

1:00 p.m.-5:28 a.m.

1 stop13h 28m

C$ 430

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Thu 13/11

6:20 a.m.-12:12 p.m.

1 stop8h 52m

San Francisco

Sun 16/11

10:15 a.m.-5:28 a.m.

2 stops16h 13m

C$ 442

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Thu 20/11

6:20 a.m.-8:34 p.m.

2 stops17h 14m

San Francisco

Fri 28/11

7:30 a.m.-5:28 a.m.

2 stops18h 58m

C$ 449

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Fri 24/10

6:15 a.m.-9:30 a.m.

3 stops30h 15m

San Francisco

Fri 31/10

1:00 p.m.-5:28 a.m.

1 stop13h 28m

C$ 566

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Toronto Region of Waterloo Intl Airport 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 cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Toronto Region of Waterloo Intl Airport 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$ 767. On the other hand, Monday is the most expensive day to depart from Toronto Region of Waterloo Intl Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 1,245.

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

Flying to San Francisco from Toronto Region of Waterloo Intl Airport at noon is the least expensive time of day to depart. momondo users have found prices as low as C$ 793 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$ 1,418.

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

You could potentially save up to 26% on your flight if you consider stops on a Toronto Region of Waterloo Intl Airport to San Francisco flight.

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

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

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

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

Direct flights

None
There are no direct flights from Toronto Region of Waterloo Intl Airport to San Francisco. There are no popular flight routes from Toronto Region of Waterloo Intl Airport to San Francisco.
Search flight deals

  • How far is Toronto Region of Waterloo Intl to San Francisco by plane?

    The distance between Toronto Region of Waterloo Intl and San Francisco is about 3561.2 km. By plane, this route typically takes 8h 52m.

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

    Prices for flights from Toronto Region of Waterloo Intl Airport to San Francisco Airport are updated daily.

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

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

Best airlines flying from Toronto Region of Waterloo Intl Airport to San Francisco

Compare and see reviews for airlines that fly from Toronto Region of Waterloo Intl Airport to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
WestJetPriceFrom C$ 291Free CancellationRating
7.2
3,124 reviews
Search WestJet flights
Air CanadaPriceFrom C$ 341Free CancellationRating
7.1
10,284 reviews
Search Air Canada flights

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
Carmel-by-the-Sea
Turlock
South San Francisco
Mountain View
Palo Alto
Sunnyvale
Cupertino
Mill Valley
Morgan Hill
Los Banos
Pacifica
Roseville
Woodland

Why use momondo?

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

It is quick and easy to find Toronto to San Francisco flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Francisco that suits you.

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

Yes. momondo enables you to select and highlight flights to San Francisco from Toronto with this policy.

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

Once you have performed a search for Toronto to San Francisco flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Toronto to San Francisco 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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