How many flights depart from San Francisco to Region of Ontario on average per week?

The number of flights available between San Francisco and Region of Ontario is 226 per week as of June 2026. The most frequent departure day is Wed, with 16% of weekly flights leaving on this day.

What is the cheapest airline that flies from San Francisco to Ontario?

WestJet, Air Canada, and United Airlines are the most popular carriers operating from San Francisco to Ontario

Which airlines fly to Region of Ontario?

Porter Airlines, Air Canada and United Airlines are the top three most popular airlines that fly to Region of Ontario from San Francisco according to our data. Porter Airlines is the first choice among our users, with 50% of people opting to fly with this airline when travelling to Region of Ontario. Keep in mind that there are 5 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.

How many flights depart from San Francisco to Region of Ontario on average per day?

As of June 2026, 32 flights take off from San Francisco and land in Region of Ontario each day. The most common flight departure time for this route is 8:00a.m., with 57% of daily flights taking off at noon.

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

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

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

As of June 2026, there are 5 operators available to choose from for flights from San Francisco Airport to Ontario.

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

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 San Francisco Airport to Ontario.

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

The travel and health documents required for your trip to Ontario 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 Ontario. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 246 Cheap Flights from San Francisco to Ontario in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Francisco to Ontario

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

SFO

YYZ

10h 00m

2 stops

6:00 a.m. - 12:00 p.m.

YYZ

SFO

9h 00m

1 stop

C$ 424WestJet

Wed, 19 Aug - Thu, 20 Aug

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

SFO

YYZ

10h 55m

2 stops

3:50 p.m. - 9:55 p.m.

YYZ

SFO

9h 05m

1 stop

C$ 425WestJet

Mon, 10 Aug - Tue, 18 Aug

1:00 p.m. - 12:10 a.m.

SFO

YYZ

8h 10m

1 stop

8:00 a.m. - 4:40 p.m.

YYZ

SFO

11h 40m

2 stops

C$ 427WestJet

Fri, 28 Aug - Sun, 30 Aug

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

SFO

YYZ

10h 00m

2 stops

10:00 a.m. - 4:40 p.m.

YYZ

SFO

9h 40m

1 stop

C$ 428WestJet

Wed, 19 Aug - Sat, 22 Aug

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

SFO

YYZ

10h 55m

2 stops

6:00 a.m. - 12:00 p.m.

YYZ

SFO

9h 00m

1 stop

C$ 429WestJet

Mon, 10 Aug - Thu, 27 Aug

6:05 p.m. - 7:05 a.m.

SFO

YUL

10h 00m

1 stop

7:15 a.m. - 11:36 p.m.

YUL

SFO

19h 21m

2 stops

C$ 648Multiple Airlines

Tue, 4 Aug - Wed, 12 Aug

8:10 a.m. - 9:31 p.m.

SFO

YTZ

10h 21m

1 stop

12:30 p.m. - 8:47 p.m.

YTZ

SFO

11h 17m

1 stop

C$ 650Air Canada

Sat, 15 Aug - Tue, 15 Sep

8:10 a.m. - 9:31 p.m.

SFO

YTZ

10h 21m

1 stop

12:30 p.m. - 8:47 p.m.

YTZ

SFO

11h 17m

1 stop

C$ 680Air Canada

Sun, 6 Sep - Wed, 9 Sep

1:35 p.m. - 9:22 a.m.

SFO

YQG

16h 47m

1 stop

4:05 p.m. - 8:59 p.m.

YQG

SFO

7h 54m

1 stop

C$ 688Air Canada

Sat, 17 Oct - Tue, 20 Oct

1:35 p.m. - 9:22 a.m.

SFO

YQG

16h 47m

1 stop

10:05 a.m. - 9:20 p.m.

YQG

SFO

14h 15m

2 stops

C$ 695Air Canada

Sat, 17 Oct - Tue, 20 Oct

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WestJet flights from San Francisco to Region of Ontario

Our best WestJet deals on San Francisco to Region of Ontario flight tickets

WestJet

19 Aug

SFO6:00 a.m.San Francisco

10h 00m

2 stops

YYZ7:00 p.m.Toronto Pearson Intl

20 Aug

YYZ6:00 a.m.Toronto Pearson Intl

9h 00m

1 stop

SFO12:00 p.m.San Francisco

C$ 424

WestJet

10 Aug

SFO6:00 a.m.San Francisco

10h 55m

2 stops

YYZ7:55 p.m.Toronto Pearson Intl

18 Aug

YYZ3:50 p.m.Toronto Pearson Intl

9h 05m

1 stop

SFO9:55 p.m.San Francisco

C$ 425

WestJet

28 Aug

SFO1:00 p.m.San Francisco

8h 10m

1 stop

YYZ12:10 a.m.Toronto Pearson Intl

30 Aug

YYZ8:00 a.m.Toronto Pearson Intl

11h 40m

2 stops

SFO4:40 p.m.San Francisco

C$ 427

Porter Airlines flights from San Francisco to Region of Ontario

Our best Porter Airlines deals on San Francisco to Region of Ontario flight tickets

Porter Airlines

20 Nov

SFO1:45 p.m.San Francisco

7h 58m

1 stop

YOW12:43 a.m.Ottawa

24 Nov

YOW7:00 a.m.Ottawa

8h 45m

1 stop

SFO12:45 p.m.San Francisco

C$ 680

Porter Airlines

15 Jul

SFO1:20 p.m.San Francisco

8h 17m

1 stop

YUL12:37 a.m.Montreal Pierre Elliott Trudeau Intl

22 Jul

YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl

8h 35m

1 stop

SFO12:20 p.m.San Francisco

C$ 691

Porter Airlines

20 Nov

SFO1:45 p.m.San Francisco

7h 50m

1 stop

YUL12:35 a.m.Montreal Pierre Elliott Trudeau Intl

28 Nov

YUL6:45 a.m.Montreal Pierre Elliott Trudeau Intl

9h 00m

1 stop

SFO12:45 p.m.San Francisco

C$ 701

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Wed 19/8

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

2 stops10h 00m

Toronto Pearson Intl

Thu 20/8

6:00 a.m.-12:00 p.m.

1 stop9h 00m

C$ 424

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Mon 10/8

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

2 stops10h 55m

Toronto Pearson Intl

Tue 18/8

3:50 p.m.-9:55 p.m.

1 stop9h 05m

C$ 425

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Fri 28/8

1:00 p.m.-12:10 a.m.

1 stop8h 10m

Toronto Pearson Intl

Sun 30/8

8:00 a.m.-4:40 p.m.

2 stops11h 40m

C$ 427

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Wed 19/8

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

2 stops10h 00m

Toronto Pearson Intl

Sat 22/8

10:00 a.m.-4:40 p.m.

1 stop9h 40m

C$ 428

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Mon 10/8

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

2 stops10h 55m

Toronto Pearson Intl

Thu 27/8

6:00 a.m.-12:00 p.m.

1 stop9h 00m

C$ 429

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Tue 4/8

6:05 p.m.-7:05 a.m.

1 stop10h 00m

Montreal Pierre Elliott Trudeau Intl

Wed 12/8

7:15 a.m.-11:36 p.m.

2 stops19h 21m

C$ 648

San FranciscoToronto

SFO - YTZ

SFOYTZ

San Francisco

Sat 15/8

8:10 a.m.-9:31 p.m.

1 stop10h 21m

Toronto Island

Tue 15/9

12:30 p.m.-8:47 p.m.

1 stop11h 17m

C$ 650

San FranciscoToronto

SFO - YTZ

SFOYTZ

San Francisco

Sun 6/9

8:10 a.m.-9:31 p.m.

1 stop10h 21m

Toronto Island

Wed 9/9

12:30 p.m.-8:47 p.m.

1 stop11h 17m

C$ 680

San FranciscoWindsor

SFO - YQG

SFOYQG

San Francisco

Sat 17/10

1:35 p.m.-9:22 a.m.

1 stop16h 47m

Windsor

Tue 20/10

4:05 p.m.-8:59 p.m.

1 stop7h 54m

C$ 688

San FranciscoWindsor

SFO - YQG

SFOYQG

San Francisco

Sat 17/10

1:35 p.m.-9:22 a.m.

1 stop16h 47m

Windsor

Tue 20/10

10:05 a.m.-9:20 p.m.

2 stops14h 15m

C$ 695

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San Francisco 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

Prices

Airlines

Other information

What is the cheapest month to fly to Region of Ontario?

In general, January is the cheapest month to fly from San Francisco to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 191. If you are unable to visit Region of Ontario during the month of January, then departing from San Francisco during the month August is also very affordable. Most momondo users find prices during this month for around C$ 701.

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

The cheapest day to depart from San Francisco to Region of Ontario is on a Thursday. Travellers who choose to depart for Region of Ontario on a Thursday will often find tickets for as low as C$ 501. The most expensive day to fly to Region of Ontario is Sunday, with ticket prices averaging around C$ 694.

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 at noon. Flights from San Francisco to Region of Ontario during this time can be as low as C$ 614. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are C$ 669 on average. Flights to Region of Ontario from San Francisco in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest San Francisco to Ontario flight route?

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

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

You are more likely to see cheaper flights to Region of Ontario from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around C$ 685 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 for as low as C$ 623 on momondo.

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

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

You could potentially save up to 4% on your flight if you consider stops on a San Francisco to Region of Ontario flight.

Cheap San Francisco to Region of Ontario flight deals and tips

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

Best price found	C$ 314
Fastest flight time	4h 54m
Direct flights	Every day
Airports in Region of Ontario	125 airports

The best one-way flight to Region of Ontario from San Francisco in the past 72 hours is C$ 314. The best round-trip flight deal from San Francisco to Region of Ontario found on momondo in the last 72 hours is C$ 481.

The fastest flight from San Francisco to Region of Ontario takes 4h 54m

Direct flights go from San Francisco to Region of Ontario every day.

There are 125 airports in Region of Ontario. From San Francisco there are direct flights to Toronto Pearson Intl (YYZ).

Search flight deals

Frequently asked questions about flying from San Francisco to Ontario

When did momondo last update prices for flights from San Francisco Airport to Ontario?
Prices for flights from San Francisco Airport to Ontario are refreshed on a daily basis.
How many operators does momondo search for flights from San Francisco Airport to Ontario?
As of June 2026, there are 5 operators available to choose from for flights from San Francisco Airport to Ontario.
How old do you have to be to fly from San Francisco Airport to Ontario?
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 San Francisco Airport to Ontario.
What documentation or ID do you need to fly to Ontario?
The travel and health documents required for your trip to Ontario 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 Ontario. 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 San Francisco to Region of Ontario?
Based on momondo bookings for flights between San Francisco and Region of Ontario, the leading plane model is Embraer 195 E2, making up 33.25% of the total bookings. Other popular models include Boeing 737-800 with 11.25%, Boeing 737 MAX 8 with 11.23%, and Airbus A320-100/200 with 8.97%.

Best airlines flying from San Francisco to Region of Ontario

Compare and see reviews for airlines that fly from San Francisco to Region of Ontario with momondo

Airline	Rating	Free Cancellation	Price
Porter Airlines	PriceFrom C$ 202	Free Cancellation	Rating 8.0 439 reviews	Search Porter Airlines flights
Air Canada	PriceFrom C$ 269	Free Cancellation	Rating 7.1 11,263 reviews	Search Air Canada flights
WestJet	PriceFrom C$ 297	Free Cancellation	Rating 7.2 3,384 reviews	Search WestJet flights
Air Transat	PriceFrom C$ 507	Free Cancellation	Rating 7.8 558 reviews	Search Air Transat flights
United Airlines	PriceFrom C$ 549	Free Cancellation	Rating 7.4 9,892 reviews	Search United Airlines flights

Why use momondo?

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

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

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

All flight searches from San Francisco to Ontario on momondo can be filtered to show those which offer flexible booking policies.

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

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

Price alerts on flights to Ontario from San Francisco 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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Popular Cities in Ontario

Flights to Torontofrom C$ 129

Flights to Vancouverfrom C$ 107

Flights to Montrealfrom C$ 280

Flights to Calgaryfrom C$ 128

Flights to Winnipegfrom C$ 138

Flights to Ottawafrom C$ 203

Flights to Halifaxfrom C$ 162

Flights to Kelownafrom C$ 128

Flights to Saskatoonfrom C$ 210

Flights to St. John'sfrom C$ 276

Flights to Reginafrom C$ 256

Flights to Québec Cityfrom C$ 320

Cheap flights from San Francisco to Ontario from C$ 246

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 to Ontario departing on 22/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from San Francisco to Ontario

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WestJet flights from San Francisco to Region of Ontario

Our best WestJet deals on San Francisco to Region of Ontario flight tickets

Porter Airlines flights from San Francisco to Region of Ontario

Our best Porter Airlines deals on San Francisco to Region of Ontario flight tickets

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Use the filters below to find and compare flights from San Francisco to Ontario that are best for you.

See travel insights to Ontario from

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

What is the cheapest month to fly to Region of Ontario?

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

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

What is the cheapest San Francisco to Ontario flight route?

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

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

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

What is the cheapest airline that flies from San Francisco to Ontario?

Which airlines fly to Region of Ontario?

How many flights depart from San Francisco to Region of Ontario on average per day?

How many flights depart from San Francisco to Region of Ontario on average per week?

Cheap San Francisco to Region of Ontario flight deals and tips

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

Best price found

Fastest flight time

Direct flights

Airports in Region of Ontario

Frequently asked questions about flying from San Francisco to Ontario

Best airlines flying from San Francisco to Region of Ontario

Compare and see reviews for airlines that fly from San Francisco to Region of Ontario with momondo

Why use momondo?

An easier way to manage your Region of Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Ontario

Popular Cities in Ontario

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

San Francisco flight routes

According to popular flight searches on momondo this year

Region of Ontario flight routes

According to popular flight searches on momondo this year

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