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Cheap flights from Ontario to San Francisco from $121

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 1/22. 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
3:18 pm - 6:46 amSFO-YYZ
12h 28m1 stop
Wed, Jan 15 - Wed, Jan 22
6:30 am - 6:00 pmYYZ-SFO
14h 30m2 stops
3:18 pm - 6:46 amSFO-YYZ
12h 28m1 stop
Wed, Jan 15 - Wed, Jan 22
8:00 am - 5:15 pmYYZ-SFO
12h 15m2 stops
7:30 am - 9:03 pmSFO-YYZ
10h 33m2 stops
$210WestJet
Find Deal
Tue, May 20 - Tue, Jun 3
6:00 am - 12:05 pmYKF-SFO
9h 05m1 stop
12:50 pm - 12:46 amSFO-YKF
8h 56m1 stop
$215WestJet
Find Deal
Wed, May 7 - Sun, May 11
6:45 am - 12:24 pmYUL-SFO
8h 39m1 stop
1:35 pm - 12:30 amSFO-YUL
7h 55m1 stop
$240Porter Airlines
Find Deal
Fri, Jan 31 - Fri, Feb 7
6:45 am - 12:24 pmYUL-SFO
8h 39m1 stop
1:35 pm - 12:30 amSFO-YUL
7h 55m1 stop
$243Porter Airlines
Find Deal
Mon, Jan 13 - Sun, Jan 19
5:10 am - 10:52 amYXU-SFO
8h 42m1 stop
10:45 pm - 9:15 amSFO-YXU
7h 30m1 stop
$269Air Canada
Find Deal
Fri, Jan 17 - Fri, Jan 24
6:00 am - 1:56 pmYOW-SFO
10h 56m1 stop
4:35 pm - 4:57 amSFO-YOW
9h 22m1 stop
$275Air Canada
Find Deal
Thu, Jan 9 - Wed, Jan 15
5:10 am - 10:52 amYXU-SFO
8h 42m1 stop
11:05 pm - 2:50 pmSFO-YXU
12h 45m2 stops
$280United Airlines
Find Deal
Fri, Jan 17 - Fri, Jan 24
5:10 am - 10:52 amYXU-SFO
8h 42m1 stop
12:32 am - 2:48 pmSFO-YXU
11h 16m2 stops
$283United Airlines
Find Deal
Thu, Jan 23 - Tue, Apr 22
8:00 pm - 2:49 pmYYZ-SFO
21h 49m1 stop
Wed, Jan 22
8:00 pm - 7:16 amYYZ-SFO
14h 16m1 stop
Wed, Jan 15
6:30 am - 1:05 pmYKF-SFO
9h 35m1 stop
$134WestJet
Find Deal
Thu, Jan 30
6:45 am - 12:24 pmYUL-SFO
8h 39m1 stop
$148Porter Airlines
Find Deal
Mon, Jan 13
6:45 am - 12:24 pmYUL-SFO
8h 39m1 stop
$149Porter Airlines
Find Deal
Tue, Jan 14
6:30 am - 1:06 pmYKF-SFO
9h 36m1 stop
$151WestJet
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Thu, Feb 20
8:35 pm - 9:30 amYKF-SFO
15h 55m1 stop
$156Flair Airlines
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Wed, Mar 19
5:10 am - 10:52 amYXU-SFO
8h 42m1 stop
$161United Airlines
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Wed, Jan 15
3:25 pm - 11:13 pmYXU-SFO
10h 48m2 stops
$166United Airlines
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Wed, Jan 15
8:35 pm - 9:30 amYKF-SFO
15h 55m1 stop
$200Flair Airlines
Find Deal
Mon, Feb 17
12:00 pm - 9:51 amYYZ-SFO
24h 51m2 stops
3:18 pm - 6:46 amSFO-YYZ
12h 28m1 stop
Thu, Dec 19 - Wed, Jan 8
8:15 pm - 12:21 amYYZ-SFO
31h 06m2 stops
3:05 pm - 6:46 amSFO-YYZ
12h 41m1 stop
Sun, Dec 22 - Fri, Jan 10
6:45 am - 12:39 pmYUL-SFO
8h 54m1 stop
1:40 pm - 12:28 amSFO-YUL
7h 48m1 stop
$457Porter Airlines
Find Deal
Mon, Dec 23 - Wed, Jan 1
8:05 am - 9:28 pmYUL-SFO
16h 23m1 stop
8:30 am - 4:58 pmSFO-YUL
5h 28mnonstop
$479United Airlines
Find Deal
Mon, Dec 23 - Mon, Dec 30
6:30 am - 1:05 pmYYZ-SFO
9h 35m1 stop
1:55 pm - 6:00 amSFO-YYZ
13h 05m2 stops
$492WestJet
Find Deal
Sun, Dec 22 - Fri, Jan 10
8:05 am - 5:50 pmYUL-SFO
12h 45m1 stop
5:00 am - 9:17 pmSFO-YUL
13h 17m2 stops
$534United Airlines
Find Deal
Mon, Dec 23 - Wed, Jan 1
5:20 pm - 8:07 pmYYZ-SFO
5h 47mnonstop
11:22 pm - 7:30 amSFO-YYZ
5h 08mnonstop
$550Air Canada
Find Deal
Mon, Dec 23 - Tue, Jan 7
5:20 pm - 8:07 pmYYZ-SFO
5h 47mnonstop
8:30 am - 9:50 pmSFO-YYZ
10h 20m1 stop
$555Air Canada
Find Deal
Mon, Dec 23 - Thu, Jan 9
9:45 am - 12:39 pmYYZ-SFO
5h 54mnonstop
1:35 pm - 9:37 pmSFO-YYZ
5h 02mnonstop
$556Porter Airlines
Find Deal
Sun, Dec 22 - Fri, Jan 10
6:30 am - 1:05 pmYKF-SFO
9h 35m1 stop
1:55 pm - 1:16 amSFO-YKF
8h 21m1 stop
$690WestJet
Find Deal
Thu, Dec 19 - Fri, Jan 10
9:35 am - 12:24 pmYYZ-SFO
5h 49mnonstop
1:35 pm - 9:37 pmSFO-YYZ
5h 02mnonstop
$296Porter Airlines
Find Deal
Wed, Apr 9 - Mon, Apr 14
9:35 am - 12:24 pmYYZ-SFO
5h 49mnonstop
1:35 pm - 9:37 pmSFO-YYZ
5h 02mnonstop
$297Porter Airlines
Find Deal
Tue, Apr 1 - Tue, Apr 8
5:20 pm - 8:07 pmYYZ-SFO
5h 47mnonstop
11:55 am - 7:53 pmSFO-YYZ
4h 58mnonstop
$321Air Canada
Find Deal
Wed, Jan 15 - Thu, Jan 23
6:20 pm - 9:51 pmYUL-SFO
6h 31mnonstop
8:30 am - 4:58 pmSFO-YUL
5h 28mnonstop
$335Air Canada
Find Deal
Mon, Jan 13 - Sun, Jan 19
6:20 pm - 9:51 pmYUL-SFO
6h 31mnonstop
8:30 am - 4:58 pmSFO-YUL
5h 28mnonstop
$336United Airlines
Find Deal
Tue, Jan 14 - Fri, Jan 17
12:45 pm - 3:26 pmYYZ-SFO
5h 41mnonstop
8:25 am - 4:17 pmSFO-YYZ
4h 52mnonstop
$336United Airlines
Find Deal
Wed, Jan 15 - Wed, Jan 22
9:35 am - 12:24 pmYYZ-SFO
5h 49mnonstop
8:25 am - 4:17 pmSFO-YYZ
4h 52mnonstop
Thu, Jan 9 - Wed, Jan 15
6:20 pm - 9:51 pmYUL-SFO
6h 31mnonstop
8:30 am - 4:58 pmSFO-YUL
5h 28mnonstop
$466Lufthansa
Find Deal
Fri, Mar 7 - Sun, Mar 23
8:05 am - 11:20 amYUL-SFO
6h 15mnonstop
8:15 am - 4:55 pmSFO-YUL
5h 40mnonstop
$507Lufthansa
Find Deal
Mon, May 12 - Sun, May 18
9:35 am - 12:24 pmYYZ-SFO
5h 49mnonstop
1:35 pm - 9:37 pmSFO-YYZ
5h 02mnonstop
Fri, Jan 10 - Wed, Jan 29

Air Canada flights from Region of Ontario to San Francisco

Our best Air Canada deals on Region of Ontario to San Francisco flight tickets
Air Canada
Jan 17
YXU5:10 amLondon
8h 42m
1 stop
SFO10:52 amSan Francisco
Jan 24
SFO10:45 pmSan Francisco
7h 30m
1 stop
YXU9:15 amLondon
Air Canada
Jan 9
YOW6:00 amOttawa
10h 56m
1 stop
SFO1:56 pmSan Francisco
Jan 15
SFO4:35 pmSan Francisco
9h 22m
1 stop
YOW4:57 amOttawa
Air Canada
Feb 19
YOW2:45 pmOttawa
10h 06m
1 stop
SFO9:51 pmSan Francisco
Feb 26
SFO4:35 pmSan Francisco
9h 22m
1 stop
YOW4:57 amOttawa

United Airlines flights from Region of Ontario to San Francisco

Our best United Airlines deals on Region of Ontario to San Francisco flight tickets
United Airlines
Jan 17
YXU5:10 amLondon
8h 42m
1 stop
SFO10:52 amSan Francisco
Jan 24
SFO11:05 pmSan Francisco
12h 45m
2 stops
YXU2:50 pmLondon
United Airlines
Jan 23
YXU5:10 amLondon
8h 42m
1 stop
SFO10:52 amSan Francisco
Apr 22
SFO12:32 amSan Francisco
11h 16m
2 stops
YXU2:48 pmLondon
United Airlines
Jan 14
YOW5:00 pmOttawa
9h 13m
1 stop
SFO11:13 pmSan Francisco
Jan 21
SFO7:05 pmSan Francisco
20h 49m
2 stops
YOW6:54 pmOttawa

See travel insights to San Francisco from

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 month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $354.

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

The cheapest day to depart from Region of Ontario to San Francisco is on a Thursday when prices can be found for as low as $400. The most expensive day to fly to San Francisco is Tuesday, with ticket prices averaging around $467.

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

Our data shows that the cheapest Region of Ontario to San Francisco flights are usually those with departure times at noon. Our users have found flights to San Francisco at noon for as low as $200. Flights in the afternoon are often more expensive with an average ticket price of $468.

What is the cheapest Ontario to San Francisco flight route?

Fly from Toronto Pearson Intl to San Francisco for the best Ontario - San Francisco flight prices

How far in advance should I book a flight to San Francisco?

The ideal time to book your flight to San Francisco is 44 days in advance when prices tend to average $410. In the past 72 hours, momondo users found flights from Region of Ontario to San Francisco for as low as $360.

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

There are 4 cabin classes available to choose from on 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 26% 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

$121

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 $121. The best round-trip flight deal from Region of Ontario to San Francisco found on momondo in the last 72 hours is $205.
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 $115Free CancellationRating
5.9
48 reviews
Search Lynx Air flights
American AirlinesPriceFrom $199Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Porter AirlinesPriceFrom $229Free CancellationRating
7.9
283 reviews
Search Porter Airlines flights
Air CanadaPriceFrom $235Free CancellationRating
7.0
8,382 reviews
Search Air Canada flights
United AirlinesPriceFrom $237Free CancellationRating
7.4
9,055 reviews
Search United Airlines flights
WestJetPriceFrom $255Free CancellationRating
7.2
2,818 reviews
Search WestJet flights
Air TransatPriceFrom $260Free CancellationRating
7.8
388 reviews
Search Air Transat flights
DeltaPriceFrom $435Free CancellationRating
8.0
8,604 reviews
Search Delta 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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