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Cheap flights from San Francisco Bay Area to Ontario from C$ 149

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco Bay Area to Ontario departing on 22/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from San Francisco Bay Area to Ontario

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:37 p.m. - 6:43 a.m.
SFO
-
YYZ
29h 06m
1 stop
Multiple Airlines Logo
8:00 p.m. - 2:26 p.m.
YYZ
-
SFO
21h 26m
1 stop
C$ 349Multiple Airlines
Sun, 12 Apr - Mon, 20 Apr
Multiple Airlines Logo
10:37 p.m. - 6:43 a.m.
SFO
-
YYZ
29h 06m
1 stop
Multiple Airlines Logo
8:00 p.m. - 2:26 p.m.
YYZ
-
SFO
21h 26m
1 stop
C$ 350Multiple Airlines
Sun, 12 Apr - Mon, 20 Apr
WestJet Logo
1:00 p.m. - 5:29 a.m.
SFO
-
YKF
13h 29m
1 stop
WestJet Logo
6:20 a.m. - 12:10 p.m.
YKF
-
SFO
8h 50m
1 stop
C$ 404WestJet
Fri, 13 Mar - Tue, 17 Mar
WestJet Logo
1:00 p.m. - 5:29 a.m.
SFO
-
YKF
13h 29m
1 stop
WestJet Logo
6:20 a.m. - 12:10 p.m.
YKF
-
SFO
8h 50m
1 stop
C$ 417WestJet
Fri, 6 Mar - Tue, 10 Mar
Porter Airlines Logo
1:45 p.m. - 12:35 a.m.
SFO
-
YUL
7h 50m
1 stop
Porter Airlines Logo
6:45 a.m. - 12:45 p.m.
YUL
-
SFO
9h 00m
1 stop
C$ 479Porter Airlines
Thu, 23 Apr - Thu, 30 Apr
Porter Airlines Logo
1:20 p.m. - 12:37 a.m.
SFO
-
YUL
8h 17m
1 stop
Porter Airlines Logo
6:45 a.m. - 12:20 p.m.
YUL
-
SFO
8h 35m
1 stop
C$ 484Porter Airlines
Thu, 28 May - Tue, 2 Jun
United Airlines Logo
3:55 p.m. - 2:01 p.m.
SJC
-
YYZ
19h 06m
2 stops
United Airlines Logo
3:30 p.m. - 10:59 p.m.
YYZ
-
SJC
10h 29m
1 stop
C$ 495United Airlines
Mon, 2 Mar - Mon, 9 Mar
United Airlines Logo
3:55 p.m. - 2:14 p.m.
SJC
-
YYZ
19h 19m
2 stops
United Airlines Logo
3:30 p.m. - 10:59 p.m.
YYZ
-
SJC
10h 29m
1 stop
C$ 497United Airlines
Mon, 2 Mar - Mon, 9 Mar
Air Canada Logo
8:25 a.m. - 4:49 p.m.
SFO
-
YUL
5h 24mdirect
Air Canada Logo
6:00 p.m. - 9:21 p.m.
YUL
-
SFO
6h 21mdirect
C$ 504Air Canada
Mon, 23 Mar - Wed, 1 Apr
Air Canada Logo
8:05 a.m. - 7:52 p.m.
SFO
-
YTZ
8h 47m
1 stop
Air Canada Logo
12:30 p.m. - 9:02 p.m.
YTZ
-
SFO
11h 32m
1 stop
C$ 534Air Canada
Tue, 5 May - Mon, 11 May

Delta flights from San Francisco Bay Area to Region of Ontario

Our best Delta deals on San Francisco Bay Area to Region of Ontario flight tickets
Delta
2 Mar
SJC6:20 a.m.San Jose
6h 39m
1 stop
YYZ3:59 p.m.Toronto Pearson Intl
9 Mar
YYZ7:45 a.m.Toronto Pearson Intl
14h 56m
2 stops
SJC7:41 p.m.San Jose
C$ 494
Delta
2 Mar
SJC6:20 a.m.San Jose
6h 39m
1 stop
YYZ3:59 p.m.Toronto Pearson Intl
9 Mar
YYZ3:59 p.m.Toronto Pearson Intl
10h 59m
2 stops
SJC11:58 p.m.San Jose
C$ 495
Delta
2 Mar
SJC10:35 p.m.San Jose
9h 32m
1 stop
YYZ11:07 a.m.Toronto Pearson Intl
10 Mar
YYZ12:25 p.m.Toronto Pearson Intl
12h 08m
1 stop
SJC9:33 p.m.San Jose
C$ 497

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

Our best American Airlines deals on San Francisco Bay Area to Region of Ontario flight tickets
American Airlines
17 Feb
SJC6:00 a.m.San Jose
13h 39m
1 stop
YYZ10:39 p.m.Toronto Pearson Intl
25 Feb
YYZ6:10 a.m.Toronto Pearson Intl
10h 07m
1 stop
SJC1:17 p.m.San Jose
C$ 509
American Airlines
17 Feb
SJC6:00 a.m.San Jose
12h 37m
2 stops
YYZ9:37 p.m.Toronto Pearson Intl
25 Feb
YYZ6:10 a.m.Toronto Pearson Intl
10h 07m
1 stop
SJC1:17 p.m.San Jose
C$ 523
American Airlines
18 Feb
SFO11:35 p.m.San Francisco
11h 10m
2 stops
YUL1:45 p.m.Montreal Pierre Elliott Trudeau Intl
25 Feb
YUL3:45 p.m.Montreal Pierre Elliott Trudeau Intl
20h 55m
1 stop
SFO9:40 a.m.San Francisco
C$ 665

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco Bay Area to Region of Ontario 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 5 February 2026.
Use the filters below to find and compare flights from San Francisco Bay Area to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Sun 12/4

10:37 p.m.-6:43 a.m.

1 stop29h 06m

Toronto Pearson Intl

Mon 20/4

8:00 p.m.-2:26 p.m.

1 stop21h 26m

C$ 349

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Sun 12/4

10:37 p.m.-6:43 a.m.

1 stop29h 06m

Toronto Pearson Intl

Mon 20/4

8:00 p.m.-2:26 p.m.

1 stop21h 26m

C$ 350

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Fri 13/3

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

1 stop13h 29m

Toronto Region of Waterloo Intl

Tue 17/3

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

1 stop8h 50m

C$ 404

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

Fri 6/3

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

1 stop13h 29m

Toronto Region of Waterloo Intl

Tue 10/3

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

1 stop8h 50m

C$ 417

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Thu 23/4

1:45 p.m.-12:35 a.m.

1 stop7h 50m

Montreal Pierre Elliott Trudeau Intl

Thu 30/4

6:45 a.m.-12:45 p.m.

1 stop9h 00m

C$ 479

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Thu 28/5

1:20 p.m.-12:37 a.m.

1 stop8h 17m

Montreal Pierre Elliott Trudeau Intl

Tue 2/6

6:45 a.m.-12:20 p.m.

1 stop8h 35m

C$ 484

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Mon 2/3

3:55 p.m.-2:01 p.m.

2 stops19h 06m

Toronto Pearson Intl

Mon 9/3

3:30 p.m.-10:59 p.m.

1 stop10h 29m

C$ 495

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Mon 2/3

3:55 p.m.-2:14 p.m.

2 stops19h 19m

Toronto Pearson Intl

Mon 9/3

3:30 p.m.-10:59 p.m.

1 stop10h 29m

C$ 497

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Mon 23/3

8:25 a.m.-4:49 p.m.

Nonstop5h 24m

Montreal Pierre Elliott Trudeau Intl

Wed 1/4

6:00 p.m.-9:21 p.m.

Nonstop6h 21m

C$ 504

San FranciscoToronto

SFO - YTZ

SFOYTZ

San Francisco

Tue 5/5

8:05 a.m.-7:52 p.m.

1 stop8h 47m

Toronto Island

Mon 11/5

12:30 p.m.-9:02 p.m.

1 stop11h 32m

C$ 534

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 Ontario from

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

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 Region of Ontario?

In general, February is the cheapest month to fly from San Francisco Bay Area to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 491. If you are unable to visit Region of Ontario during the month of February, then departing from San Francisco Bay Area during the month March is also very affordable. Most momondo users find prices during this month for around C$ 491.

What is the cheapest day to depart on your flight to Region of Ontario?

The cheapest day to depart from San Francisco Bay Area to Region of Ontario is on a Tuesday. Travellers who choose to depart for Region of Ontario on a Tuesday will often find tickets for as low as C$ 453. The most expensive day to fly to Region of Ontario is Sunday, with ticket prices averaging around C$ 575.

What is the cheapest time of day to depart on your flight to Region of Ontario?

Our most recent data shows that the best time of day to fly to Region of Ontario is in the evening. Flights from San Francisco Bay Area to Region of Ontario during this time can be as low as C$ 423. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 543 on average. Flights to Region of Ontario from San Francisco Bay Area at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

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

How far in advance should I book a flight to Region of Ontario?

You are more likely to see cheaper flights to Region of Ontario from San Francisco Bay Area when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around C$ 603 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from San Francisco Bay Area for as low as C$ 495 on momondo.

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

There are 3 cabin classes available to choose from on San Francisco Bay Area to Ontario 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 San Francisco Bay Area to Region of Ontario flights?

You could potentially save up to 14% on your flight if you consider stops on a San Francisco Bay Area to Region of Ontario flight.

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

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

Fastest flight time

4h 55m

Direct flights

Every day

Airports in Region of Ontario

123 airports
The fastest flight from San Francisco Bay Area to Region of Ontario takes 4h 55m
Direct flights go from San Francisco Bay Area to Region of Ontario every day.
There are 123 airports in Region of Ontario. From San Francisco Bay Area there are direct flights to Toronto Pearson Intl (YYZ).
Search flight deals

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

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

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

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

    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 San Francisco Bay Area to Ontario.

  • What documentation or ID do you need to fly to Ontario?

    The required travel and health documents for your Ontario trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ontario. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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

Compare and see reviews for airlines that fly from San Francisco Bay Area to Region of Ontario with momondo
Airline
Rating
Free Cancellation
Price
Porter AirlinesPriceFrom C$ 194Free CancellationRating
7.9
412 reviews
Search Porter Airlines flights
DeltaPriceFrom C$ 222Free CancellationRating
7.9
8,149 reviews
Search Delta flights
Air CanadaPriceFrom C$ 241Free CancellationRating
7.1
10,690 reviews
Search Air Canada flights
WestJetPriceFrom C$ 286Free CancellationRating
7.2
3,255 reviews
Search WestJet flights
United AirlinesPriceFrom C$ 306Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
Air TransatPriceFrom C$ 500Free CancellationRating
7.7
502 reviews
Search Air Transat flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Francisco Bay Area to Ontario for you.

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

Yes. All flights to Ontario from San Francisco Bay Area on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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

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

Price alerts on flights to Ontario from San Francisco Bay Area 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.

An easier way to manage your Region of Ontario trip

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Find better results for your trip to Ontario

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Popular flights according to clicks in the last 7 days on momondo
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