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Cheap flights from Toronto Region of Waterloo Intl Airport to San Francisco from C$ 249

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 5/6. 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
1 adult, Economy, 0 bags

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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.
WestJet Logo
8:40 p.m. - 9:55 p.m.
YKF
-
SFO
28h 15m
1 stop
WestJet Logo
1:00 p.m. - 7:50 p.m.
SFO
-
YKF
27h 50m
1 stop
C$ 464WestJet
Wed, 6 May - Sun, 10 May
WestJet Logo
8:40 p.m. - 12:00 p.m.
YKF
-
SFO
18h 20m
1 stop
WestJet Logo
6:00 a.m. - 7:50 p.m.
SFO
-
YKF
10h 50m
1 stop
C$ 465WestJet
Fri, 1 May - Mon, 4 May
WestJet Logo
8:40 p.m. - 12:00 p.m.
YKF
-
SFO
18h 20m
1 stop
WestJet Logo
6:00 a.m. - 7:50 p.m.
SFO
-
YKF
10h 50m
1 stop
C$ 468WestJet
Wed, 27 May - Tue, 2 Jun
WestJet Logo
8:40 p.m. - 12:00 p.m.
YKF
-
SFO
18h 20m
1 stop
WestJet Logo
6:00 a.m. - 7:50 p.m.
SFO
-
YKF
10h 50m
1 stop
C$ 469WestJet
Fri, 1 May - Mon, 4 May
WestJet Logo
8:40 p.m. - 12:00 p.m.
YKF
-
SFO
18h 20m
1 stop
WestJet Logo
6:00 a.m. - 7:50 p.m.
SFO
-
YKF
10h 50m
1 stop
C$ 471WestJet
Fri, 1 May - Mon, 4 May
WestJet Logo
8:40 p.m. - 12:00 p.m.
YKF
-
SFO
18h 20m
1 stop
WestJet Logo
6:00 a.m. - 7:50 p.m.
SFO
-
YKF
10h 50m
1 stop
C$ 476WestJet
Wed, 27 May - Tue, 2 Jun
WestJet Logo
8:40 p.m. - 12:00 p.m.
YKF
-
SFO
18h 20m
1 stop
WestJet Logo
1:00 p.m. - 7:50 p.m.
SFO
-
YKF
27h 50m
1 stop
C$ 478WestJet
Fri, 1 May - Sun, 3 May
WestJet Logo
8:40 p.m. - 12:00 p.m.
YKF
-
SFO
18h 20m
1 stop
WestJet Logo
6:05 p.m. - 7:50 p.m.
SFO
-
YKF
22h 45m
1 stop
C$ 483WestJet
Fri, 29 May - Fri, 5 Jun
WestJet Logo
8:40 p.m. - 12:00 p.m.
YKF
-
SFO
18h 20m
1 stop
WestJet Logo
6:00 a.m. - 7:50 p.m.
SFO
-
YKF
10h 50m
1 stop
C$ 488WestJet
Fri, 1 May - Mon, 4 May
WestJet Logo
8:40 p.m. - 4:40 p.m.
YKF
-
SFO
23h 00m
1 stop
WestJet Logo
6:00 a.m. - 7:50 p.m.
SFO
-
YKF
10h 50m
1 stop
C$ 492WestJet
Thu, 18 Jun - Sun, 21 Jun

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
6 May
YKF8:40 p.m.Toronto Region of Waterloo Intl
28h 15m
1 stop
SFO9:55 p.m.San Francisco
10 May
SFO1:00 p.m.San Francisco
27h 50m
1 stop
YKF7:50 p.m.Toronto Region of Waterloo Intl
C$ 464
WestJet
1 May
YKF8:40 p.m.Toronto Region of Waterloo Intl
18h 20m
1 stop
SFO12:00 p.m.San Francisco
4 May
SFO6:00 a.m.San Francisco
10h 50m
1 stop
YKF7:50 p.m.Toronto Region of Waterloo Intl
C$ 465
WestJet
27 May
YKF8:40 p.m.Toronto Region of Waterloo Intl
18h 20m
1 stop
SFO12:00 p.m.San Francisco
2 Jun
SFO6:00 a.m.San Francisco
10h 50m
1 stop
YKF7:50 p.m.Toronto Region of Waterloo Intl
C$ 468

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 1 April 2026.
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

Cheapest round-trip

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Wed 6/5

8:40 p.m.-9:55 p.m.

1 stop28h 15m

San Francisco

Sun 10/5

1:00 p.m.-7:50 p.m.

1 stop27h 50m

C$ 464
Quickest round-trip

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Fri 1/5

8:40 p.m.-12:00 p.m.

1 stop18h 20m

San Francisco

Mon 4/5

6:00 a.m.-7:50 p.m.

1 stop10h 50m

C$ 465

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Wed 27/5

8:40 p.m.-12:00 p.m.

1 stop18h 20m

San Francisco

Tue 2/6

6:00 a.m.-7:50 p.m.

1 stop10h 50m

C$ 468

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Fri 1/5

8:40 p.m.-12:00 p.m.

1 stop18h 20m

San Francisco

Mon 4/5

6:00 a.m.-7:50 p.m.

1 stop10h 50m

C$ 469

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Fri 1/5

8:40 p.m.-12:00 p.m.

1 stop18h 20m

San Francisco

Mon 4/5

6:00 a.m.-7:50 p.m.

1 stop10h 50m

C$ 471

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Wed 27/5

8:40 p.m.-12:00 p.m.

1 stop18h 20m

San Francisco

Tue 2/6

6:00 a.m.-7:50 p.m.

1 stop10h 50m

C$ 476

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Fri 1/5

8:40 p.m.-12:00 p.m.

1 stop18h 20m

San Francisco

Sun 3/5

1:00 p.m.-7:50 p.m.

1 stop27h 50m

C$ 478

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Fri 29/5

8:40 p.m.-12:00 p.m.

1 stop18h 20m

San Francisco

Fri 5/6

6:05 p.m.-7:50 p.m.

1 stop22h 45m

C$ 483

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Fri 1/5

8:40 p.m.-12:00 p.m.

1 stop18h 20m

San Francisco

Mon 4/5

6:00 a.m.-7:50 p.m.

1 stop10h 50m

C$ 488

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Thu 18/6

8:40 p.m.-4:40 p.m.

1 stop23h 00m

San Francisco

Sun 21/6

6:00 a.m.-7:50 p.m.

1 stop10h 50m

C$ 492

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 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$ 828. On the other hand, Sunday 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$ 1,227.

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$ 687 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.

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

You could potentially save up to 10% 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

Fastest flight time

8h 50m

Direct flights

None
The fastest flight from Toronto Region of Waterloo Intl Airport to San Francisco takes 8h 50m
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

Frequently asked questions about flying from Toronto Region of Waterloo Intl Airport to San Francisco

  • 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 3560.8 km. By plane, this route typically takes 8h 50m.

  • 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$ 310Free CancellationRating
7.2
3,308 reviews
Search WestJet 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
Santa Cruz
Palo Alto
South San Francisco
San Bruno
Newark
Milpitas
Carmel-by-the-Sea
Turlock
Mountain View
Burlingame
Pacific Grove
Fremont
Santa Clara
Cupertino
Pacifica
Woodland
Los Banos
Roseville

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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