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Cheap flights from Ontario to San Francisco Bay Area from C$ 227

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 Bay Area departing on 29/3. 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 Bay Area

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:35 a.m. - 6:07 p.m.
YYZ
-
SJC
11h 32m
1 stop
Multiple Airlines Logo
8:20 p.m. - 7:55 p.m.
SJC
-
YYZ
20h 35m
1 stop
C$ 358Multiple Airlines
Fri, 27 Mar - Mon, 30 Mar
Multiple Airlines Logo
1:30 p.m. - 6:07 p.m.
YYZ
-
SJC
31h 37m
2 stops
Multiple Airlines Logo
7:42 p.m. - 6:20 a.m.
SJC
-
YYZ
7h 38m
1 stop
C$ 360Multiple Airlines
Wed, 11 Mar - Mon, 16 Mar
WestJet Logo
6:20 a.m. - 12:10 p.m.
YKF
-
SFO
8h 50m
1 stop
WestJet Logo
6:00 a.m. - 7:50 p.m.
SFO
-
YKF
10h 50m
1 stop
C$ 375WestJet
Tue, 21 Apr - Fri, 1 May
WestJet Logo
12:40 p.m. - 9:55 p.m.
YYZ
-
SFO
12h 15m
2 stops
WestJet Logo
6:00 a.m. - 7:55 p.m.
SFO
-
YYZ
10h 55m
2 stops
C$ 375WestJet
Thu, 14 May - Tue, 19 May
Porter Airlines Logo
9:50 a.m. - 12:45 p.m.
YYZ
-
SFO
5h 55mdirect
Porter Airlines Logo
1:45 p.m. - 9:42 p.m.
SFO
-
YYZ
4h 57mdirect
C$ 376Porter Airlines
Tue, 7 Apr - Sun, 12 Apr
Porter Airlines Logo
9:50 a.m. - 12:45 p.m.
YYZ
-
SFO
5h 55mdirect
Porter Airlines Logo
1:45 p.m. - 9:42 p.m.
SFO
-
YYZ
4h 57mdirect
C$ 385Porter Airlines
Sat, 4 Apr - Sat, 11 Apr
Delta Logo
1:30 p.m. - 10:53 p.m.
YYZ
-
SJC
12h 23m
1 stop
Delta Logo
10:56 p.m. - 1:25 p.m.
SJC
-
YYZ
11h 29m
1 stop
C$ 416Delta
Fri, 12 Jun - Wed, 17 Jun
Alaska Airlines Logo
4:45 p.m. - 10:59 p.m.
YYZ
-
SJC
9h 14m
1 stop
Alaska Airlines Logo
2:36 p.m. - 3:35 p.m.
SJC
-
YYZ
21h 59m
1 stop
C$ 417Alaska Airlines
Thu, 26 Feb - Tue, 3 Mar
Delta Logo
12:25 p.m. - 10:02 p.m.
YYZ
-
SJC
12h 37m
2 stops
Delta Logo
8:05 p.m. - 10:19 a.m.
SJC
-
YYZ
11h 14m
2 stops
C$ 421Delta
Tue, 24 Mar - Fri, 24 Apr
Alaska Airlines Logo
4:45 p.m. - 10:49 p.m.
YYZ
-
OAK
9h 04m
1 stop
Alaska Airlines Logo
7:00 a.m. - 3:35 p.m.
OAK
-
YYZ
29h 35m
1 stop
C$ 480Alaska Airlines
Tue, 17 Mar - Tue, 24 Mar

Porter Airlines flights from Region of Ontario to San Francisco Bay Area

Our best Porter Airlines deals on Region of Ontario to San Francisco Bay Area flight tickets
Porter Airlines
7 Apr
YYZ9:50 a.m.Toronto Pearson Intl
5h 55m
SFO12:45 p.m.San Francisco
12 Apr
SFO1:45 p.m.San Francisco
4h 57m
YYZ9:42 p.m.Toronto Pearson Intl
C$ 376
Porter Airlines
4 Apr
YYZ9:50 a.m.Toronto Pearson Intl
5h 55m
SFO12:45 p.m.San Francisco
11 Apr
SFO1:45 p.m.San Francisco
4h 57m
YYZ9:42 p.m.Toronto Pearson Intl
C$ 385
Porter Airlines
4 Apr
YYZ9:50 a.m.Toronto Pearson Intl
5h 55m
SFO12:45 p.m.San Francisco
11 Apr
SFO1:45 p.m.San Francisco
4h 57m
YYZ9:42 p.m.Toronto Pearson Intl
C$ 391

American Airlines flights from Region of Ontario to San Francisco Bay Area

Our best American Airlines deals on Region of Ontario to San Francisco Bay Area flight tickets
American Airlines
5 Apr
YUL3:57 p.m.Montreal Pierre Elliott Trudeau Intl
9h 52m
1 stop
SFO10:49 p.m.San Francisco
11 Apr
SFO12:30 a.m.San Francisco
10h 22m
1 stop
YUL1:52 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 491
American Airlines
2 Apr
YUL2:25 p.m.Montreal Pierre Elliott Trudeau Intl
11h 45m
1 stop
SFO11:10 p.m.San Francisco
6 Apr
SFO11:29 p.m.San Francisco
9h 15m
1 stop
YUL11:44 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 517
American Airlines
19 Feb
YYZ6:10 a.m.Toronto Pearson Intl
18h 20m
1 stop
SJC9:30 p.m.San Jose
23 Feb
SJC2:07 p.m.San Jose
20h 07m
1 stop
YYZ1:14 p.m.Toronto Pearson Intl
C$ 530

momondo Fare Finder

 
Customize your flight search to find flights from Region of Ontario to San Francisco Bay Area 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 8 February 2026.
Use the filters below to find and compare flights from Ontario to San Francisco Bay Area that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Fri 27/3

9:35 a.m.-6:07 p.m.

1 stop11h 32m

San Jose

Mon 30/3

8:20 p.m.-7:55 p.m.

1 stop20h 35m

C$ 358

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Wed 11/3

1:30 p.m.-6:07 p.m.

2 stops31h 37m

San Jose

Mon 16/3

7:42 p.m.-6:20 a.m.

1 stop7h 38m

C$ 360

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

Tue 21/4

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

1 stop8h 50m

San Francisco

Fri 1/5

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

1 stop10h 50m

C$ 375

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 14/5

12:40 p.m.-9:55 p.m.

2 stops12h 15m

San Francisco

Tue 19/5

6:00 a.m.-7:55 p.m.

2 stops10h 55m

C$ 375

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Tue 7/4

9:50 a.m.-12:45 p.m.

Nonstop5h 55m

San Francisco

Sun 12/4

1:45 p.m.-9:42 p.m.

Nonstop4h 57m

C$ 376

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Sat 4/4

9:50 a.m.-12:45 p.m.

Nonstop5h 55m

San Francisco

Sat 11/4

1:45 p.m.-9:42 p.m.

Nonstop4h 57m

C$ 385

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Fri 12/6

1:30 p.m.-10:53 p.m.

1 stop12h 23m

San Jose

Wed 17/6

10:56 p.m.-1:25 p.m.

1 stop11h 29m

C$ 416

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Thu 26/2

4:45 p.m.-10:59 p.m.

1 stop9h 14m

San Jose

Tue 3/3

2:36 p.m.-3:35 p.m.

1 stop21h 59m

C$ 417

TorontoSan Jose

YYZ - SJC

YYZSJC

Toronto Pearson Intl

Tue 24/3

12:25 p.m.-10:02 p.m.

2 stops12h 37m

San Jose

Fri 24/4

8:05 p.m.-10:19 a.m.

2 stops11h 14m

C$ 421

TorontoOakland

YYZ - OAK

YYZOAK

Toronto Pearson Intl

Tue 17/3

4:45 p.m.-10:49 p.m.

1 stop9h 04m

Oakland

Tue 24/3

7:00 a.m.-3:35 p.m.

1 stop29h 35m

C$ 480

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 Bay Area from

How to get the cheapest flight ticket from Region of Ontario to San Francisco Bay Area

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 Bay Area?

In general, April is the cheapest month to fly from Region of Ontario to San Francisco Bay Area. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 435. If you aren’t able to travel during the month of April, then book flights to San Francisco Bay Area from Region of Ontario during March instead. Flights to San Francisco Bay Area in March, while not as cheap as those in April, still average around C$ 439.

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

The cheapest day to depart on your flight to San Francisco Bay Area is on a Friday when prices can be found for as low as C$ 758. This is often the case because there is less demand to fly during this day of the week. Flights from Region of Ontario to San Francisco Bay Area on a Monday will generally be more expensive and average around C$ 1,190. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to San Francisco Bay Area is at noon. Flights from Region of Ontario to San Francisco Bay Area during this time can be as low as C$ 674. In the evening is when there is more demand to fly to San Francisco Bay Area, so prices are often more expensive at around C$ 1,396 per ticket.

What is the cheapest Ontario to San Francisco Bay Area flight route?

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

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

You are more likely to see cheaper flights to San Francisco Bay Area from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco Bay Area for around C$ 502 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco Bay Area from Region of Ontario for as low as C$ 417 on momondo.

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

There are 4 cabin classes available to choose from on Ontario to San Francisco Bay Area 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 Bay Area flights?

No. A direct flight is the cheapest option for a flight between Region of Ontario to San Francisco Bay Area.

Cheap Region of Ontario to San Francisco Bay Area flight deals and tips

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

Fastest flight time

5h 35m

Direct flights

Every day

Airports in San Francisco Bay Area

6 airports
The fastest flight from Region of Ontario to San Francisco Bay Area takes 5h 35m
Direct flights go from Region of Ontario to San Francisco Bay Area every day.
There are 6 airports in San Francisco Bay Area. From Region of Ontario there are direct flights to San Francisco (SFO).
Search flight deals

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

    Prices for flights from Ontario to San Francisco Bay Area are refreshed on a daily basis.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario to San Francisco Bay Area.

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

    The travel and health documents required for your trip to San Francisco Bay Area 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 Bay Area. 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 Bay Area?

Best airlines flying from Region of Ontario to San Francisco Bay Area

Compare and see reviews for airlines that fly from Region of Ontario to San Francisco Bay Area with momondo
Airline
Rating
Free Cancellation
Price
Flair AirlinesPriceFrom C$ 115Free CancellationRating
6.0
264 reviews
Search Flair Airlines flights
WestJetPriceFrom C$ 196Free CancellationRating
7.2
3,256 reviews
Search WestJet flights
Air CanadaPriceFrom C$ 199Free CancellationRating
7.1
10,698 reviews
Search Air Canada flights
American AirlinesPriceFrom C$ 254Free CancellationRating
7.2
11,257 reviews
Search American Airlines flights
DeltaPriceFrom C$ 256Free CancellationRating
7.9
8,175 reviews
Search Delta flights
Porter AirlinesPriceFrom C$ 304Free CancellationRating
7.9
413 reviews
Search Porter Airlines flights
United AirlinesPriceFrom C$ 330Free CancellationRating
7.4
9,257 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom C$ 331Free CancellationRating
8.0
11,861 reviews
Search Alaska Airlines flights
Air TransatPriceFrom C$ 363Free CancellationRating
7.7
504 reviews
Search Air Transat flights

Why use momondo?

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

It is quick and easy to find Ontario to San Francisco Bay Area 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 Bay Area that suits you.

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

momondo does allow users to show only those flights to San Francisco Bay Area from Ontario which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to San Francisco Bay Area 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 Bay Area right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ontario to San Francisco Bay Area 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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