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

WestJet, Porter Airlines, and United Airlines are the most popular carriers operating from San Francisco Bay Area to Ontario

Which airlines fly to Region of Ontario?

Porter Airlines, Air Canada and Air Transat are the top three most popular airlines that fly to Region of Ontario from San Francisco Bay Area according to our data. Porter Airlines is the first choice among our users, with 47% 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.

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?

As of November 2025, there are 5 operators available to choose from 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.

C$ 204 Cheap Flights from San Francisco Bay Area to Ontario in 2025/26

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

As of November 2025, there are 158 flights per week flying from San Francisco Bay Area to Region of Ontario. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.

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

The number of flights available between San Francisco Bay Area and Region of Ontario is 22 per day as of November 2025. The most frequent departure time is 8:00a.m., with 56% of daily flights leaving in the afternoon.

1 adult

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Find the cheapest flights from San Francisco Bay Area to Ontario

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Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

10:15 a.m. - 12:38 a.m.SFO-YYZ

11h 23m1 stop

10:15 p.m. - 9:30 a.m.YYZ-SFO

14h 15m1 stop

C$ 380Multiple Airlines

Find Deal

Thu, 8 Jan - Wed, 21 Jan

10:15 a.m. - 12:38 a.m.SFO-YYZ

11h 23m1 stop

12:30 p.m. - 9:55 p.m.YYZ-SFO

12h 25m2 stops

C$ 385Multiple Airlines

Find Deal

Thu, 8 Jan - Fri, 23 Jan

1:00 p.m. - 5:58 a.m.SFO-YYZ

13h 58m2 stops

10:15 p.m. - 12:12 p.m.YYZ-SFO

16h 57m1 stop

C$ 427WestJet

Find Deal

Fri, 16 Jan - Mon, 19 Jan

1:40 p.m. - 9:37 p.m.SFO-YYZ

4h 57mdirect

9:45 a.m. - 12:40 p.m.YYZ-SFO

5h 55mdirect

C$ 439Porter Airlines

Find Deal

Sat, 10 Jan - Sat, 24 Jan

1:40 p.m. - 9:37 p.m.SFO-YYZ

4h 57mdirect

9:45 a.m. - 12:40 p.m.YYZ-SFO

5h 55mdirect

C$ 441Porter Airlines

Find Deal

Fri, 9 Jan - Wed, 21 Jan

1:00 p.m. - 5:58 a.m.SFO-YYZ

13h 58m2 stops

10:15 p.m. - 12:12 p.m.YYZ-SFO

16h 57m2 stops

C$ 446WestJet

Find Deal

Fri, 16 Jan - Mon, 19 Jan

8:25 a.m. - 9:35 p.m.SFO-YTZ

10h 10m1 stop

12:30 p.m. - 9:22 p.m.YTZ-SFO

11h 52m1 stop

C$ 524Air Canada

Find Deal

Thu, 27 Nov - Wed, 3 Dec

4:00 p.m. - 4:32 p.m.SJC-YOW

21h 32m2 stops

6:20 a.m. - 1:32 p.m.YOW-SJC

10h 12m2 stops

C$ 529United Airlines

Find Deal

Fri, 5 Dec - Thu, 11 Dec

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

19h 06m2 stops

4:10 p.m. - 9:06 p.m.YYZ-SJC

7h 56m1 stop

C$ 531United Airlines

Find Deal

Tue, 24 Feb - Wed, 25 Feb

8:25 a.m. - 9:35 p.m.SFO-YTZ

10h 10m1 stop

3:30 p.m. - 9:22 p.m.YTZ-SFO

8h 52m1 stop

C$ 557Air Canada

Find Deal

Tue, 6 Jan - Wed, 21 Jan

WestJet flights from San Francisco Bay Area to Region of Ontario

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

WestJet

16 Jan

SFO1:00 p.m.San Francisco

13h 58m

2 stops

YYZ5:58 a.m.Toronto Pearson Intl

19 Jan

YYZ10:15 p.m.Toronto Pearson Intl

16h 57m

1 stop

SFO12:12 p.m.San Francisco

C$ 427

Find similar

WestJet

16 Jan

SFO1:00 p.m.San Francisco

13h 58m

2 stops

YYZ5:58 a.m.Toronto Pearson Intl

19 Jan

YYZ10:15 p.m.Toronto Pearson Intl

16h 57m

2 stops

SFO12:12 p.m.San Francisco

C$ 446

Find similar

WestJet

8 Jan

SFO1:00 p.m.San Francisco

21h 22m

1 stop

YHM1:22 p.m.Hamilton

20 Jan

YHM5:45 a.m.Hamilton

9h 27m

1 stop

SFO12:12 p.m.San Francisco

C$ 449

Find similar

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

27 Nov

SJC9:57 a.m.San Jose

22h 57m

2 stops

YYZ11:54 a.m.Toronto Pearson Intl

3 Dec

YYZ5:10 p.m.Toronto Pearson Intl

20h 07m

1 stop

SJC10:17 a.m.San Jose

C$ 545

Find similar

American Airlines

16 Jan

SJC6:00 a.m.San Jose

12h 23m

2 stops

YYZ9:23 p.m.Toronto Pearson Intl

18 Jan

YYZ12:39 p.m.Toronto Pearson Intl

13h 10m

2 stops

SJC10:49 p.m.San Jose

C$ 625

Find similar

American Airlines

12 Jan

SFO6:00 a.m.San Francisco

15h 41m

2 stops

YOW12:41 a.m.Ottawa

21 Jan

YOW6:45 a.m.Ottawa

21h 02m

2 stops

SFO12:47 a.m.San Francisco

C$ 723

Find similar

momondo Fare Finder

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

Thu 8/1

10:15 a.m.-12:38 a.m.

1 stop11h 23m

Toronto Pearson Intl

Wed 21/1

10:15 p.m.-9:30 a.m.

1 stop14h 15m

C$ 380

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Thu 8/1

10:15 a.m.-12:38 a.m.

1 stop11h 23m

Toronto Pearson Intl

Fri 23/1

12:30 p.m.-9:55 p.m.

2 stops12h 25m

C$ 385

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Fri 16/1

1:00 p.m.-5:58 a.m.

2 stops13h 58m

Toronto Pearson Intl

Mon 19/1

10:15 p.m.-12:12 p.m.

1 stop16h 57m

C$ 427

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Sat 10/1

1:40 p.m.-9:37 p.m.

Nonstop4h 57m

Toronto Pearson Intl

Sat 24/1

9:45 a.m.-12:40 p.m.

Nonstop5h 55m

C$ 439

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Fri 9/1

1:40 p.m.-9:37 p.m.

Nonstop4h 57m

Toronto Pearson Intl

Wed 21/1

9:45 a.m.-12:40 p.m.

Nonstop5h 55m

C$ 441

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Fri 16/1

1:00 p.m.-5:58 a.m.

2 stops13h 58m

Toronto Pearson Intl

Mon 19/1

10:15 p.m.-12:12 p.m.

2 stops16h 57m

C$ 446

San FranciscoToronto

SFO - YTZ

SFOYTZ

San Francisco

Thu 27/11

8:25 a.m.-9:35 p.m.

1 stop10h 10m

Toronto Island

Wed 3/12

12:30 p.m.-9:22 p.m.

1 stop11h 52m

C$ 524

San JoseOttawa

SJC - YOW

SJCYOW

San Jose

Fri 5/12

4:00 p.m.-4:32 p.m.

2 stops21h 32m

Ottawa

Thu 11/12

6:20 a.m.-1:32 p.m.

2 stops10h 12m

C$ 529

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Tue 24/2

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

2 stops19h 06m

Toronto Pearson Intl

Wed 25/2

4:10 p.m.-9:06 p.m.

1 stop7h 56m

C$ 531

San FranciscoToronto

SFO - YTZ

SFOYTZ

San Francisco

Tue 6/1

8:25 a.m.-9:35 p.m.

1 stop10h 10m

Toronto Island

Wed 21/1

3:30 p.m.-9:22 p.m.

1 stop8h 52m

C$ 557

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 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

Prices

Airlines

Other information

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

In general, April 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$ 489. If you are unable to visit Region of Ontario during the month of April, 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$ 504.

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$ 488. The most expensive day to fly to Region of Ontario is Sunday, with ticket prices averaging around C$ 642.

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 afternoon. Flights from San Francisco Bay Area to Region of Ontario during this time can be as low as C$ 371. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are C$ 571 on average. Flights to Region of Ontario from San Francisco Bay Area in the morning 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$ 615 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$ 483 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 38% 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	1 airport

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 is 1 airport near Region of Ontario: 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?
As of November 2025, there are 5 operators available to choose from 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?
Based on momondo bookings for flights between San Francisco Bay Area and Region of Ontario, the leading plane model is Embraer 195 E2, making up 34.87% of the total bookings. Other popular models include Boeing 737 MAX 8 with 15.82%, De Havilland (Bombardier) DHC-8-400 Dash 8Q with 8.50%, and Airbus A321-100/200 with 5.78%.

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 Airlines	PriceFrom C$ 199	Free Cancellation	Rating 8.0 387 reviews	Search Porter Airlines flights
Air Canada	PriceFrom C$ 262	Free Cancellation	Rating 7.1 10,400 reviews	Search Air Canada flights
WestJet	PriceFrom C$ 294	Free Cancellation	Rating 7.2 3,153 reviews	Search WestJet flights
Air Transat	PriceFrom C$ 304	Free Cancellation	Rating 7.8 470 reviews	Search Air Transat flights
United Airlines	PriceFrom C$ 500	Free Cancellation	Rating 7.4 8,998 reviews	Search United Airlines 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

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.

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Popular Cities in Ontario

Flights to Torontofrom C$ 115

Flights to Vancouverfrom C$ 63

Flights to Montrealfrom C$ 174

Flights to Calgaryfrom C$ 83

Flights to Ottawafrom C$ 195

Flights to Winnipegfrom C$ 145

Flights to Halifaxfrom C$ 114

Flights to Kelownafrom C$ 73

Flights to Saskatoonfrom C$ 150

Flights to Reginafrom C$ 147

Flights to St. John'sfrom C$ 274

Flights to Québec Cityfrom C$ 292

Cheap flights from San Francisco Bay Area to Ontario from C$ 204

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

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Find the cheapest flights from San Francisco Bay Area to Ontario

Cheap round-trip flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

WestJet flights from San Francisco Bay Area to Region of Ontario

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

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

momondo Fare Finder

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

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?

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 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?

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 38% on your flight if you consider stops on a San Francisco Bay Area to Region of Ontario flight.

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

WestJet, Porter Airlines, and United Airlines are the most popular carriers operating from San Francisco Bay Area to Ontario

Which airlines fly to Region of Ontario?

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

The number of flights available between San Francisco Bay Area and Region of Ontario is 22 per day as of November 2025. The most frequent departure time is 8:00a.m., with 56% of daily flights leaving in the afternoon.

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

As of November 2025, there are 158 flights per week flying from San Francisco Bay Area to Region of Ontario. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.

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

Direct flights

Airports in Region of Ontario

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

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?

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

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

Why use momondo?

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

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

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

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

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