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Cheap flights from Ontario to San Francisco from $135

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 1/16. 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 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.
8:00 pm - 7:16 amYYZ-SFO
14h 16m1 stop
2:54 pm - 6:43 amSFO-YYZ
12h 49m1 stop
Tue, Feb 4 - Thu, Feb 6
8:00 pm - 7:14 amYYZ-SFO
14h 14m1 stop
10:39 pm - 6:46 amSFO-YYZ
29h 07m1 stop
Wed, Dec 11 - Tue, Dec 17
6:45 am - 12:24 pmYUL-SFO
8h 39m1 stop
1:30 pm - 12:28 amSFO-YUL
7h 58m1 stop
$254Porter Airlines
Find Deal
Thu, Nov 28 - Sun, Dec 8
6:45 am - 12:24 pmYUL-SFO
8h 39m1 stop
1:30 pm - 12:28 amSFO-YUL
7h 58m1 stop
$257Porter Airlines
Find Deal
Thu, Dec 5 - Sat, Dec 7
2:45 pm - 9:51 pmYOW-SFO
10h 06m1 stop
8:30 am - 6:58 pmSFO-YOW
7h 28m1 stop
$274Air Canada
Find Deal
Thu, Jan 30 - Sun, Feb 2
4:00 pm - 9:42 pmYOW-SFO
8h 42m1 stop
8:30 am - 6:58 pmSFO-YOW
7h 28m1 stop
$280Air Canada
Find Deal
Mon, Jan 13 - Sat, Jan 18
6:30 am - 1:05 pmYKF-SFO
9h 35m1 stop
1:55 pm - 1:16 amSFO-YKF
8h 21m1 stop
$281WestJet
Find Deal
Thu, Jan 16 - Fri, Jan 24
6:30 am - 1:06 pmYKF-SFO
9h 36m1 stop
1:55 pm - 1:16 amSFO-YKF
8h 21m1 stop
$288WestJet
Find Deal
Tue, Feb 25 - Fri, Feb 28
10:30 am - 8:58 pmYOW-SFO
13h 28m1 stop
5:14 am - 5:06 pmSFO-YOW
8h 52m2 stops
$308United Airlines
Find Deal
Thu, Jan 9 - Wed, Jan 15
6:00 am - 1:48 pmYOW-SFO
10h 48m2 stops
5:14 am - 5:06 pmSFO-YOW
8h 52m2 stops
$314United Airlines
Find Deal
Thu, Jan 9 - Wed, Jan 15
6:30 am - 1:05 pmYKF-SFO
9h 35m1 stop
$135WestJet
Find Deal
Thu, Jan 16
6:30 am - 1:05 pmYKF-SFO
9h 35m1 stop
$148WestJet
Find Deal
Thu, Jan 16
6:20 am - 12:24 pmYOW-SFO
9h 04m1 stop
$156Porter Airlines
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Fri, Jan 10
6:25 am - 12:24 pmYOW-SFO
8h 59m1 stop
$164Porter Airlines
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Thu, Dec 5
6:30 am - 6:25 pmYOW-SFO
14h 55m2 stops
Thu, Jan 16
6:20 am - 7:11 pmYOW-SFO
15h 51m2 stops
$181United Airlines
Find Deal
Fri, Jan 10
9:00 am - 2:18 pmYKF-SFO
32h 18m2 stops
Tue, Dec 10
2:10 pm - 11:13 pmYOW-SFO
12h 03m2 stops
$187United Airlines
Find Deal
Thu, Jan 16
5:35 pm - 9:34 amYKF-SFO
18h 59m1 stop
$196Air Canada
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Tue, Dec 10
8:15 pm - 10:52 amYOW-SFO
17h 37m1 stop
$198Air Canada
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Thu, Jan 16
9:35 am - 12:24 pmYYZ-SFO
5h 49mnonstop
1:30 pm - 9:32 pmSFO-YYZ
5h 02mnonstop
$345Air Transat
Find Deal
Mon, Nov 18 - Tue, Jan 28
9:35 am - 12:24 pmYYZ-SFO
5h 49mnonstop
3:18 pm - 5:55 amSFO-YYZ
11h 37m1 stop
Mon, Nov 18 - Tue, Jan 28
5:45 am - 10:52 amYXU-SFO
8h 07m1 stop
10:45 pm - 9:15 amSFO-YXU
7h 30m1 stop
$480Air Canada
Find Deal
Tue, Nov 19 - Wed, Dec 4
5:45 am - 1:28 pmYXU-SFO
10h 43m2 stops
10:45 pm - 9:15 amSFO-YXU
7h 30m1 stop
$486Air Canada
Find Deal
Tue, Nov 19 - Wed, Dec 4
3:25 pm - 9:42 pmYXU-SFO
9h 17m1 stop
12:30 am - 8:20 pmSFO-YXU
16h 50m2 stops
$581United Airlines
Find Deal
Tue, Nov 19 - Tue, Dec 3
5:45 am - 5:25 pmYXU-SFO
14h 40m2 stops
12:30 am - 8:20 pmSFO-YXU
16h 50m2 stops
$584United Airlines
Find Deal
Tue, Nov 19 - Tue, Dec 3
9:35 am - 12:24 pmYYZ-SFO
5h 49mnonstop
1:30 pm - 9:32 pmSFO-YYZ
5h 02mnonstop
$644Porter Airlines
Find Deal
Mon, Nov 18 - Mon, Nov 25
6:15 pm - 12:49 amYYZ-SFO
9h 34m1 stop
5:40 am - 4:39 pmSFO-YYZ
7h 59m1 stop
$660Delta
Find Deal
Mon, Nov 18 - Thu, Nov 28
6:45 am - 12:24 pmYUL-SFO
8h 39m1 stop
1:30 pm - 12:30 amSFO-YUL
8h 00m1 stop
$689Porter Airlines
Find Deal
Mon, Nov 18 - Sat, Nov 30
5:30 pm - 11:11 pmYYZ-SFO
8h 41m1 stop
10:40 pm - 11:06 amSFO-YYZ
9h 26m1 stop
$811Delta
Find Deal
Mon, Nov 18 - Mon, Nov 25
6:55 pm - 9:42 pmYYZ-SFO
5h 47mnonstop
4:25 pm - 12:17 amSFO-YYZ
4h 52mnonstop
$321Air Canada
Find Deal
Sat, Jan 18 - Sun, Jan 26
6:55 pm - 9:42 pmYYZ-SFO
5h 47mnonstop
4:25 pm - 12:17 amSFO-YYZ
4h 52mnonstop
$326Air Canada
Find Deal
Tue, Dec 3 - Fri, Jan 10
9:35 am - 12:24 pmYYZ-SFO
5h 49mnonstop
1:30 pm - 9:32 pmSFO-YYZ
5h 02mnonstop
$335Porter Airlines
Find Deal
Fri, Jan 10 - Sun, Jan 12
9:35 am - 12:24 pmYYZ-SFO
5h 49mnonstop
1:30 pm - 9:32 pmSFO-YYZ
5h 02mnonstop
$336Porter Airlines
Find Deal
Tue, Dec 10 - Wed, Jan 15
9:35 am - 12:24 pmYYZ-SFO
5h 49mnonstop
1:30 pm - 9:32 pmSFO-YYZ
5h 02mnonstop
$345Air Transat
Find Deal
Tue, Feb 25 - Fri, Feb 28
10:30 am - 1:22 pmYYZ-SFO
5h 52mnonstop
2:50 pm - 10:46 pmSFO-YYZ
4h 56mnonstop
$361Air Transat
Find Deal
Fri, May 2 - Fri, May 9
6:30 am - 9:34 amYYZ-SFO
6h 04mnonstop
10:45 pm - 6:43 amSFO-YYZ
4h 58mnonstop
$377United Airlines
Find Deal
Thu, Nov 28 - Wed, Dec 4
5:20 pm - 8:07 pmYYZ-SFO
5h 47mnonstop
4:25 pm - 12:17 amSFO-YYZ
4h 52mnonstop
$384United Airlines
Find Deal
Thu, Nov 28 - Wed, Dec 4
9:35 am - 12:24 pmYYZ-SFO
5h 49mnonstop
2:50 pm - 10:46 pmSFO-YYZ
4h 56mnonstop
Tue, Apr 29 - Mon, May 5
9:35 am - 12:24 pmYYZ-SFO
5h 49mnonstop
1:30 pm - 9:32 pmSFO-YYZ
5h 02mnonstop
Thu, Mar 13 - Fri, Mar 21

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
Nov 28
YUL6:45 amMontreal Pierre Elliott Trudeau Intl
8h 39m
1 stop
SFO12:24 pmSan Francisco
Dec 5
SFO1:30 pmSan Francisco
7h 58m
1 stop
YUL12:28 amMontreal Pierre Elliott Trudeau Intl
Porter Airlines
Nov 28
YUL6:45 amMontreal Pierre Elliott Trudeau Intl
8h 39m
1 stop
SFO12:24 pmSan Francisco
Dec 8
SFO1:30 pmSan Francisco
7h 58m
1 stop
YUL12:28 amMontreal Pierre Elliott Trudeau Intl
Porter Airlines
Dec 5
YUL6:45 amMontreal Pierre Elliott Trudeau Intl
8h 39m
1 stop
SFO12:24 pmSan Francisco
Dec 7
SFO1:30 pmSan Francisco
7h 58m
1 stop
YUL12:28 amMontreal 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
Jan 16
YKF6:30 amToronto Region of Waterloo Intl
9h 35m
1 stop
SFO1:05 pmSan Francisco
Jan 24
SFO1:55 pmSan Francisco
8h 21m
1 stop
YKF1:16 amToronto Region of Waterloo Intl
WestJet
Feb 25
YKF6:30 amToronto Region of Waterloo Intl
9h 36m
1 stop
SFO1:06 pmSan Francisco
Feb 28
SFO1:55 pmSan Francisco
8h 21m
1 stop
YKF1:16 amToronto Region of Waterloo Intl
WestJet
Jan 23
YKF6:30 amToronto Region of Waterloo Intl
9h 55m
1 stop
SFO1:25 pmSan Francisco
Jan 26
SFO1:55 pmSan Francisco
8h 21m
1 stop
YKF1:16 amToronto 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 Porter 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

$135

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 $135. The best round-trip flight deal from Region of Ontario to San Francisco found on momondo in the last 72 hours is $245.
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 refresh 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?

    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 Ontario 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 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
Lynx AirPriceFrom $114Free CancellationRating
5.9
48 reviews
Search Lynx Air flights
American AirlinesPriceFrom $199Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Air TransatPriceFrom $225Free CancellationRating
7.8
387 reviews
Search Air Transat flights
Porter AirlinesPriceFrom $233Free CancellationRating
7.7
288 reviews
Search Porter Airlines flights
Air CanadaPriceFrom $235Free CancellationRating
7.0
8,198 reviews
Search Air Canada flights
United AirlinesPriceFrom $238Free CancellationRating
7.4
9,194 reviews
Search United Airlines flights
WestJetPriceFrom $255Free CancellationRating
7.3
2,804 reviews
Search WestJet flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to San Francisco. momondo saves you time and could save you money on your trip.

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

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

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

momondo provides multiple filters to help you find the best flight to San Francisco from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to San Francisco from Ontario are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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