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Cheap flights from Ontario to San Francisco from C$ 189

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to San Francisco departing on 16/1. 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

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Find the cheapest flights from Ontario to San Francisco

Cheap round-trip flights

These are some of the best round-trip flight deals from Ontario to San Francisco that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Ontario to San Francisco.

Cheap last-minute flights

Planning a quick getaway from Ontario to San Francisco? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to San Francisco, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Ontario to San Francisco

Find recent round-trip train or bus tickets from Ontario to San Francisco.

All round-trip flight deals to San Francisco

The cheapest plane tickets to San Francisco found on KAYAK recently.
6:45 a.m. - 12:24 p.m.YUL-SFO
8h 39m1 stop
1:30 p.m. - 12:28 a.m.SFO-YUL
7h 58m1 stop
C$ 327Porter Airlines
Find Deal
Thu, 28 Nov - Thu, 5 Dec
6:45 a.m. - 12:24 p.m.YUL-SFO
8h 39m1 stop
1:30 p.m. - 12:28 a.m.SFO-YUL
7h 58m1 stop
C$ 331Porter Airlines
Find Deal
Thu, 28 Nov - Wed, 4 Dec
8:00 p.m. - 7:16 a.m.YYZ-SFO
14h 16m1 stop
2:54 p.m. - 6:43 a.m.SFO-YYZ
12h 49m1 stop
C$ 343
Find Deal
Tue, 4 Feb - Thu, 6 Feb
8:00 p.m. - 7:14 a.m.YYZ-SFO
14h 14m1 stop
10:39 p.m. - 6:46 a.m.SFO-YYZ
29h 07m1 stop
C$ 346
Find Deal
Wed, 11 Dec - Tue, 17 Dec
2:45 p.m. - 9:51 p.m.YOW-SFO
10h 06m1 stop
8:30 a.m. - 6:58 p.m.SFO-YOW
7h 28m1 stop
C$ 384Air Canada
Find Deal
Thu, 30 Jan - Sun, 2 Feb
4:00 p.m. - 9:42 p.m.YOW-SFO
8h 42m1 stop
8:30 a.m. - 6:58 p.m.SFO-YOW
7h 28m1 stop
C$ 393Air Canada
Find Deal
Mon, 13 Jan - Sat, 18 Jan
6:30 a.m. - 1:05 p.m.YKF-SFO
9h 35m1 stop
1:55 p.m. - 1:16 a.m.SFO-YKF
8h 21m1 stop
C$ 394WestJet
Find Deal
Thu, 16 Jan - Fri, 24 Jan
6:30 a.m. - 1:06 p.m.YKF-SFO
9h 36m1 stop
1:55 p.m. - 1:16 a.m.SFO-YKF
8h 21m1 stop
C$ 404WestJet
Find Deal
Tue, 25 Feb - Fri, 28 Feb
10:30 a.m. - 8:58 p.m.YOW-SFO
13h 28m1 stop
5:14 a.m. - 5:06 p.m.SFO-YOW
8h 52m2 stops
C$ 432United Airlines
Find Deal
Thu, 9 Jan - Wed, 15 Jan
6:00 a.m. - 1:48 p.m.YOW-SFO
10h 48m2 stops
5:14 a.m. - 5:06 p.m.SFO-YOW
8h 52m2 stops
C$ 440United Airlines
Find Deal
Thu, 9 Jan - Wed, 15 Jan
6:30 a.m. - 1:05 p.m.YKF-SFO
9h 35m1 stop
C$ 189WestJet
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Thu, 16 Jan
6:30 a.m. - 1:05 p.m.YKF-SFO
9h 35m1 stop
C$ 207WestJet
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Thu, 16 Jan
6:20 a.m. - 12:24 p.m.YOW-SFO
9h 04m1 stop
C$ 219Porter Airlines
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Fri, 10 Jan
6:25 a.m. - 12:24 p.m.YOW-SFO
8h 59m1 stop
C$ 230Porter Airlines
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Thu, 5 Dec
4:10 p.m. - 7:14 a.m.YTZ-SFO
18h 04m2 stops
C$ 233
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Wed, 11 Dec
2:00 p.m. - 2:18 p.m.YTZ-SFO
27h 18m2 stops
C$ 234
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Tue, 7 Jan
6:20 a.m. - 7:11 p.m.YOW-SFO
15h 51m2 stops
C$ 254United Airlines
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Fri, 10 Jan
2:10 p.m. - 11:13 p.m.YOW-SFO
12h 03m2 stops
C$ 262United Airlines
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Thu, 16 Jan
3:25 p.m. - 9:51 p.m.YTZ-SFO
9h 26m1 stop
C$ 268Air Canada
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Mon, 16 Dec
5:35 p.m. - 9:34 a.m.YKF-SFO
18h 59m1 stop
C$ 275Air Canada
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Tue, 10 Dec
9:35 a.m. - 12:24 p.m.YYZ-SFO
5h 49mdirect
1:30 p.m. - 9:32 p.m.SFO-YYZ
5h 02mdirect
C$ 484Air Transat
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Mon, 18 Nov - Tue, 28 Jan
9:35 a.m. - 12:24 p.m.YYZ-SFO
5h 49mdirect
3:18 p.m. - 5:55 a.m.SFO-YYZ
11h 37m1 stop
C$ 491
Find Deal
Mon, 18 Nov - Tue, 28 Jan
6:30 a.m. - 9:34 a.m.YYZ-SFO
6h 04mdirect
4:25 p.m. - 12:17 a.m.SFO-YYZ
4h 52mdirect
C$ 886Air Canada
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Sun, 17 Nov - Sat, 30 Nov
3:25 p.m. - 8:59 p.m.YXU-SFO
8h 34m1 stop
10:45 p.m. - 9:15 a.m.SFO-YXU
7h 30m1 stop
C$ 901Air Canada
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Tue, 19 Nov - Wed, 4 Dec
9:35 a.m. - 12:24 p.m.YYZ-SFO
5h 49mdirect
1:30 p.m. - 9:32 p.m.SFO-YYZ
5h 02mdirect
C$ 903Porter Airlines
Find Deal
Mon, 18 Nov - Mon, 25 Nov
6:30 a.m. - 9:34 a.m.YYZ-SFO
6h 04mdirect
6:00 a.m. - 5:26 p.m.SFO-YYZ
8h 26m1 stop
C$ 908United Airlines
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Sun, 17 Nov - Sat, 30 Nov
6:15 p.m. - 12:49 a.m.YYZ-SFO
9h 34m1 stop
5:40 a.m. - 4:39 p.m.SFO-YYZ
7h 59m1 stop
C$ 925Delta
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Mon, 18 Nov - Thu, 28 Nov
6:00 p.m. - 8:59 p.m.YYZ-SFO
5h 59mdirect
2:20 p.m. - 12:26 a.m.SFO-YYZ
7h 06m1 stop
C$ 927United Airlines
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Mon, 18 Nov - Thu, 28 Nov
6:45 a.m. - 12:24 p.m.YUL-SFO
8h 39m1 stop
1:30 p.m. - 12:30 a.m.SFO-YUL
8h 00m1 stop
C$ 966Porter Airlines
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Mon, 18 Nov - Sat, 30 Nov
5:30 p.m. - 11:11 p.m.YYZ-SFO
8h 41m1 stop
10:40 p.m. - 11:06 a.m.SFO-YYZ
9h 26m1 stop
C$ 1,137Delta
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Mon, 18 Nov - Mon, 25 Nov
6:55 p.m. - 9:42 p.m.YYZ-SFO
5h 47mdirect
4:25 p.m. - 12:17 a.m.SFO-YYZ
4h 52mdirect
C$ 450Air Canada
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Sat, 18 Jan - Sun, 26 Jan
6:55 p.m. - 9:42 p.m.YYZ-SFO
5h 47mdirect
4:25 p.m. - 12:17 a.m.SFO-YYZ
4h 52mdirect
C$ 457Air Canada
Find Deal
Tue, 3 Dec - Fri, 10 Jan
9:35 a.m. - 12:24 p.m.YYZ-SFO
5h 49mdirect
1:30 p.m. - 9:32 p.m.SFO-YYZ
5h 02mdirect
C$ 470Porter Airlines
Find Deal
Fri, 10 Jan - Mon, 13 Jan
9:35 a.m. - 12:24 p.m.YYZ-SFO
5h 49mdirect
1:30 p.m. - 9:32 p.m.SFO-YYZ
5h 02mdirect
C$ 471Porter Airlines
Find Deal
Tue, 10 Dec - Wed, 15 Jan
9:35 a.m. - 12:24 p.m.YYZ-SFO
5h 49mdirect
1:30 p.m. - 9:32 p.m.SFO-YYZ
5h 02mdirect
C$ 484Air Transat
Find Deal
Tue, 25 Feb - Fri, 28 Feb
10:30 a.m. - 1:22 p.m.YYZ-SFO
5h 52mdirect
2:50 p.m. - 10:46 p.m.SFO-YYZ
4h 56mdirect
C$ 506Air Transat
Find Deal
Fri, 2 May - Fri, 9 May
6:30 a.m. - 9:34 a.m.YYZ-SFO
6h 04mdirect
10:45 p.m. - 6:43 a.m.SFO-YYZ
4h 58mdirect
C$ 529United Airlines
Find Deal
Thu, 28 Nov - Wed, 4 Dec
5:20 p.m. - 8:07 p.m.YYZ-SFO
5h 47mdirect
4:25 p.m. - 12:17 a.m.SFO-YYZ
4h 52mdirect
C$ 538United Airlines
Find Deal
Thu, 28 Nov - Wed, 4 Dec
9:35 a.m. - 12:24 p.m.YYZ-SFO
5h 49mdirect
2:50 p.m. - 10:46 p.m.SFO-YYZ
4h 56mdirect
C$ 587
Find Deal
Tue, 29 Apr - Mon, 5 May
9:35 a.m. - 12:24 p.m.YYZ-SFO
5h 49mdirect
1:30 p.m. - 9:32 p.m.SFO-YYZ
5h 02mdirect
C$ 593
Find Deal
Thu, 13 Mar - Fri, 21 Mar

Porter Airlines flights from Region of Ontario to San Francisco

Our best Porter Airlines deals on Region of Ontario to San Francisco flight tickets
Porter Airlines
28 Nov
YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl
8h 39m
1 stop
SFO12:24 p.m.San Francisco
5 Dec
SFO1:30 p.m.San Francisco
7h 58m
1 stop
YUL12:28 a.m.Montreal Pierre Elliott Trudeau Intl
Porter Airlines
28 Nov
YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl
8h 39m
1 stop
SFO12:24 p.m.San Francisco
4 Dec
SFO1:30 p.m.San Francisco
7h 58m
1 stop
YUL12:28 a.m.Montreal Pierre Elliott Trudeau Intl
Porter Airlines
11 Dec
YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl
8h 39m
1 stop
SFO12:24 p.m.San Francisco
29 Jan
SFO1:30 p.m.San Francisco
8h 00m
1 stop
YUL12:30 a.m.Montreal Pierre Elliott Trudeau Intl

WestJet flights from Region of Ontario to San Francisco

Our best WestJet deals on Region of Ontario to San Francisco flight tickets
WestJet
16 Jan
YKF6:30 a.m.Toronto Region of Waterloo Intl
9h 35m
1 stop
SFO1:05 p.m.San Francisco
24 Jan
SFO1:55 p.m.San Francisco
8h 21m
1 stop
YKF1:16 a.m.Toronto Region of Waterloo Intl
WestJet
25 Feb
YKF6:30 a.m.Toronto Region of Waterloo Intl
9h 36m
1 stop
SFO1:06 p.m.San Francisco
28 Feb
SFO1:55 p.m.San Francisco
8h 21m
1 stop
YKF1:16 a.m.Toronto Region of Waterloo Intl
WestJet
23 Jan
YKF6:30 a.m.Toronto Region of Waterloo Intl
9h 55m
1 stop
SFO1:25 p.m.San Francisco
26 Jan
SFO1:55 p.m.San Francisco
8h 21m
1 stop
YKF1:16 a.m.Toronto Region of Waterloo Intl

How to get the cheapest flight ticket from Region of Ontario 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 airline that flies to San Francisco from Region of Ontario?

Lynx Air. Lynx Air, Air Transat, and American Airlines are the most popular carriers operating from Region of Ontario to San Francisco

What is the cheapest Region of Ontario to San Francisco flight route?

Montreal Pierre Elliott Trudeau Intl - San Francisco. Fly from Montreal Pierre Elliott Trudeau Intl to San Francisco for the best Region of Ontario - San Francisco flight prices

What cabin class options are available on Region of Ontario to San Francisco flights?

There are 3 cabin classes available to choose from on Region of Ontario to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Region of Ontario to San Francisco flights?

You could potentially save up to 31% on your flight if you consider stops on a Region of Ontario to San Francisco flight.

Cheap Region of Ontario to San Francisco flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to San Francisco

Best price found

C$ 189

Fastest flight time

5h 41m

Direct flights

Every day

Airports in San Francisco

1 airport
The best one-way flight to San Francisco from Region of Ontario in the past 72 hours is C$ 189. The best round-trip flight deal from Region of Ontario to San Francisco found on momondo in the last 72 hours is C$ 327.
The fastest flight from Region of Ontario to San Francisco takes 5h 41m
Direct flights go from Region of Ontario to San Francisco every day.
There is 1 airport near San Francisco: San Francisco (SFO)

  • When did momondo last update prices for flights from Ontario to San Francisco Airport?

    Prices for flights from Ontario to San Francisco Airport are updated daily.

  • How many operators does momondo search for flights from Ontario to San Francisco Airport?

  • How old do you have to be to fly from Ontario to San Francisco Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The travel and health documents you'll need for your trip to San Francisco Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Francisco Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Region of Ontario to San Francisco?


Best airlines flying from Region of Ontario to San Francisco

Compare and see reviews for airlines that fly from Region of Ontario to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
Porter AirlinesPriceFrom C$ 238Free CancellationRating
7.7
288 reviews
Search Porter Airlines flights
Lynx AirPriceFrom C$ 261Free CancellationRating
5.9
48 reviews
Search Lynx Air flights
DeltaPriceFrom C$ 298Free CancellationRating
8.0
8,788 reviews
Search Delta flights
American AirlinesPriceFrom C$ 302Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
WestJetPriceFrom C$ 354Free CancellationRating
7.3
2,804 reviews
Search WestJet flights
Air CanadaPriceFrom C$ 360Free CancellationRating
7.0
8,198 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 366Free CancellationRating
7.4
9,194 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom C$ 439Free CancellationRating
8.0
9,439 reviews
Search Alaska Airlines flights
Air TransatPriceFrom C$ 487Free CancellationRating
7.8
387 reviews
Search Air Transat flights
WestJet EncorePriceFrom C$ 656Free CancellationRating
8.6
10 reviews
Search WestJet Encore flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ontario to San Francisco . Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Ontario to San Francisco with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

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 San Francisco from Ontario.

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

If you are not ready to book a flight from Ontario to San Francisco now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Francisco and let you know when they change.


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