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Cheap flights from Toronto Region of Waterloo Intl Airport to San Francisco from C$ 254

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 29/4. 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.
WestJet Logo
6:20 a.m. - 12:10 p.m.
YKF
-
SFO
8h 50m1 stop
WestJet Logo
1:00 p.m. - 5:29 a.m.
SFO
-
YKF
13h 29m1 stop
C$ 367WestJet
Tue, 10 Mar - Sun, 15 Mar
WestJet Logo
6:20 a.m. - 12:12 p.m.
YKF
-
SFO
8h 52m1 stop
WestJet Logo
1:00 p.m. - 5:29 a.m.
SFO
-
YKF
13h 29m1 stop
C$ 372WestJet
Thu, 29 Jan - Sun, 1 Feb
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$ 391WestJet
Thu, 22 Jan - Sun, 25 Jan
WestJet Logo
6:00 a.m. - 11:54 a.m.
YKF
-
SFO
8h 54m1 stop
WestJet Logo
12:50 p.m. - 12:45 a.m.
SFO
-
YKF
8h 55m1 stop
C$ 395WestJet
Tue, 26 May - Mon, 1 Jun
WestJet Logo
7:00 p.m. - 12:12 p.m.
YKF
-
SFO
20h 12m1 stop
WestJet Logo
1:00 p.m. - 5:28 a.m.
SFO
-
YKF
13h 28m1 stop
C$ 405WestJet
Sat, 17 Jan - Sun, 25 Jan
WestJet Logo
6:00 a.m. - 11:54 a.m.
YKF
-
SFO
8h 54m1 stop
WestJet Logo
12:50 p.m. - 12:45 a.m.
SFO
-
YKF
8h 55m1 stop
C$ 430WestJet
Mon, 27 Apr - Tue, 28 Apr
WestJet Logo
6:00 a.m. - 11:54 a.m.
YKF
-
SFO
8h 54m1 stop
WestJet Logo
7:30 a.m. - 12:45 a.m.
SFO
-
YKF
14h 15m1 stop
C$ 442WestJet
Fri, 29 May - Tue, 2 Jun
WestJet Logo
6:00 a.m. - 11:54 a.m.
YKF
-
SFO
8h 54m1 stop
WestJet Logo
7:30 a.m. - 12:45 a.m.
SFO
-
YKF
14h 15m1 stop
C$ 443WestJet
Fri, 29 May - Tue, 2 Jun
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$ 471WestJet
Sat, 4 Apr - Sun, 12 Apr
WestJet Logo
6:20 a.m. - 12:10 p.m.
YKF
-
SFO
8h 50m1 stop
WestJet Logo
1:00 p.m. - 5:29 a.m.
SFO
-
YKF
13h 29m1 stop
C$ 475WestJet
Mon, 9 Feb - Fri, 20 Feb

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
10 Mar
YKF6:20 a.m.Toronto Region of Waterloo Intl
8h 50m
1 stop
SFO12:10 p.m.San Francisco
15 Mar
SFO1:00 p.m.San Francisco
13h 29m
1 stop
YKF5:29 a.m.Toronto Region of Waterloo Intl
C$ 367
Find similar
WestJet
29 Jan
YKF6:20 a.m.Toronto Region of Waterloo Intl
8h 52m
1 stop
SFO12:12 p.m.San Francisco
1 Feb
SFO1:00 p.m.San Francisco
13h 29m
1 stop
YKF5:29 a.m.Toronto Region of Waterloo Intl
C$ 372
Find similar
WestJet
5 Feb
YKF6:20 a.m.Toronto Region of Waterloo Intl
8h 50m
1 stop
SFO12:10 p.m.San Francisco
9 Feb
SFO1:00 p.m.San Francisco
13h 29m
1 stop
YKF5:29 a.m.Toronto Region of Waterloo Intl
C$ 380
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 7 December 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

Tue 10/3

6:20 a.m.-12:10 p.m.

1 stop8h 50m

San Francisco

Sun 15/3

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

1 stop13h 29m

C$ 367

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Thu 29/1

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

1 stop8h 52m

San Francisco

Sun 1/2

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

1 stop13h 29m

C$ 372

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Thu 22/1

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

1 stop8h 52m

San Francisco

Sun 25/1

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

1 stop13h 28m

C$ 391

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Tue 26/5

6:00 a.m.-11:54 a.m.

1 stop8h 54m

San Francisco

Mon 1/6

12:50 p.m.-12:45 a.m.

1 stop8h 55m

C$ 395

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Sat 17/1

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

1 stop20h 12m

San Francisco

Sun 25/1

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

1 stop13h 28m

C$ 405

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Mon 27/4

6:00 a.m.-11:54 a.m.

1 stop8h 54m

San Francisco

Tue 28/4

12:50 p.m.-12:45 a.m.

1 stop8h 55m

C$ 430

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Fri 29/5

6:00 a.m.-11:54 a.m.

1 stop8h 54m

San Francisco

Tue 2/6

7:30 a.m.-12:45 a.m.

1 stop14h 15m

C$ 442

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Fri 29/5

6:00 a.m.-11:54 a.m.

1 stop8h 54m

San Francisco

Tue 2/6

7:30 a.m.-12:45 a.m.

1 stop14h 15m

C$ 443

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Sat 4/4

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

1 stop20h 10m

San Francisco

Sun 12/4

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

1 stop13h 29m

C$ 471

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Mon 9/2

6:20 a.m.-12:10 p.m.

1 stop8h 50m

San Francisco

Fri 20/2

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

1 stop13h 29m

C$ 475

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 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$ 766. 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$ 1,201.

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$ 681 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$ 1,399.

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

  • 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 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$ 287Free CancellationRating
7.2
3,193 reviews
Search WestJet flights
Air CanadaPriceFrom C$ 336Free CancellationRating
7.1
10,512 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
Milpitas
Carmel-by-the-Sea
Turlock
South San Francisco
Palo Alto
Cupertino
Mill Valley
Morgan Hill
Los Banos
Mountain View
Pacifica
Woodland
Roseville
Berkeley

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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