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 Bay Area according to our data. Porter Airlines is the first choice among our users, with 53% 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.

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

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

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 June 2026, 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$ 246 Cheap Flights from San Francisco Bay Area to Ontario in 2026

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 28 per day as of June 2026. The most frequent departure time is 8:00a.m., with 56% of daily flights leaving at noon.

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

As of June 2026, there are 202 flights per week flying from San Francisco Bay Area to Region of Ontario. The most common day of the week flights depart is Fri, with 16% of flights taking off on this day.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Francisco Bay Area 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. - 7:55 p.m.

SFO

YYZ

10h 55m

2 stops

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

YYZ

SFO

9h 05m

1 stop

C$ 433WestJet

Tue, 7 Jul - Tue, 21 Jul

6:00 a.m. - 9:10 p.m.

SFO

YYZ

12h 10m

2 stops

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

YYZ

SFO

9h 00m

1 stop

C$ 436WestJet

Fri, 31 Jul - Fri, 7 Aug

1:20 p.m. - 12:25 a.m.

SFO

YOW

8h 05m

1 stop

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

YOW

SFO

9h 00m

1 stop

C$ 589Multiple Airlines

Wed, 15 Jul - Wed, 22 Jul

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

SFO

YTZ

10h 21m

1 stop

12:30 p.m. - 12:07 a.m.

YTZ

SFO

14h 37m

2 stops

C$ 638Air Canada

Tue, 28 Jul - Tue, 11 Aug

8:10 a.m. - 4:44 p.m.

SFO

YUL

5h 34mdirect

8:10 a.m. - 11:21 a.m.

YUL

SFO

6h 11mdirect

C$ 641Air Canada

Mon, 6 Jul - Wed, 15 Jul

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

SFO

YUL

7h 50m

1 stop

4:15 p.m. - 12:10 p.m.

YUL

SFO

22h 55m

1 stop

C$ 644Multiple Airlines

Sun, 25 Oct - Thu, 29 Oct

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

SFO

YUL

7h 50m

1 stop

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

YUL

SFO

9h 00m

1 stop

C$ 648Porter Airlines

Sun, 25 Oct - Tue, 3 Nov

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

SFO

YUL

7h 50m

1 stop

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

YUL

SFO

9h 00m

1 stop

C$ 651Porter Airlines

Tue, 27 Oct - Mon, 9 Nov

10:38 p.m. - 10:07 a.m.

SFO

YTZ

8h 29m

1 stop

12:15 p.m. - 7:12 p.m.

YTZ

SFO

9h 57m

1 stop

C$ 719United Airlines

Fri, 7 Aug - Tue, 11 Aug

9:00 p.m. - 6:46 p.m.

SFO

YTZ

18h 46m

2 stops

7:25 p.m. - 8:38 a.m.

YTZ

SFO

16h 13m

1 stop

C$ 733United Airlines

Fri, 31 Jul - Mon, 10 Aug

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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

18 Sep

SJC1:23 p.m.San Jose

6h 50m

1 stop

YYZ11:13 p.m.Toronto Pearson Intl

21 Sep

YYZ9:45 a.m.Toronto Pearson Intl

13h 48m

2 stops

SJC8:33 p.m.San Jose

C$ 654

Delta

3 Jul

SJC10:00 p.m.San Jose

11h 25m

1 stop

YYZ12:25 p.m.Toronto Pearson Intl

15 Jul

YYZ1:38 p.m.Toronto Pearson Intl

12h 11m

1 stop

SJC10:49 p.m.San Jose

C$ 666

Delta

3 Jul

SJC7:10 p.m.San Jose

13h 09m

2 stops

YYZ11:19 a.m.Toronto Pearson Intl

15 Jul

YYZ1:38 p.m.Toronto Pearson Intl

12h 11m

1 stop

SJC10:49 p.m.San Jose

C$ 681

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

14 Sep

SJC2:48 p.m.San Jose

20h 11m

1 stop

YYZ1:59 p.m.Toronto Pearson Intl

16 Sep

YYZ6:46 a.m.Toronto Pearson Intl

9h 52m

1 stop

SJC1:38 p.m.San Jose

C$ 642

American Airlines

29 Jun

SJC6:01 a.m.San Jose

13h 55m

1 stop

YYZ10:56 p.m.Toronto Pearson Intl

8 Jul

YYZ6:46 a.m.Toronto Pearson Intl

19h 12m

1 stop

SJC10:58 p.m.San Jose

C$ 675

American Airlines

1 Aug

SJC6:01 a.m.San Jose

13h 58m

1 stop

YYZ10:59 p.m.Toronto Pearson Intl

6 Aug

YYZ6:46 a.m.Toronto Pearson Intl

18h 25m

1 stop

SJC10:11 p.m.San Jose

C$ 682

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

Cheapest round-trip

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Tue 7/7

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

2 stops10h 55m

Toronto Pearson Intl

Tue 21/7

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

1 stop9h 05m

C$ 433

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Fri 31/7

6:00 a.m.-9:10 p.m.

2 stops12h 10m

Toronto Pearson Intl

Fri 7/8

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

1 stop9h 00m

C$ 436

San FranciscoOttawa

SFO - YOW

SFOYOW

San Francisco

Wed 15/7

1:20 p.m.-12:25 a.m.

1 stop8h 05m

Ottawa

Wed 22/7

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

1 stop9h 00m

C$ 589

San FranciscoToronto

SFO - YTZ

SFOYTZ

San Francisco

Tue 28/7

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

1 stop10h 21m

Toronto Island

Tue 11/8

12:30 p.m.-12:07 a.m.

2 stops14h 37m

C$ 638

Quickest round-trip

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Mon 6/7

8:10 a.m.-4:44 p.m.

Nonstop5h 34m

Montreal Pierre Elliott Trudeau Intl

Wed 15/7

8:10 a.m.-11:21 a.m.

Nonstop6h 11m

C$ 641

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Sun 25/10

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

1 stop7h 50m

Montreal Pierre Elliott Trudeau Intl

Thu 29/10

4:15 p.m.-12:10 p.m.

1 stop22h 55m

C$ 644

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Sun 25/10

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

1 stop7h 50m

Montreal Pierre Elliott Trudeau Intl

Tue 3/11

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

1 stop9h 00m

C$ 648

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Tue 27/10

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

1 stop7h 50m

Montreal Pierre Elliott Trudeau Intl

Mon 9/11

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

1 stop9h 00m

C$ 651

San FranciscoToronto

SFO - YTZ

SFOYTZ

San Francisco

Fri 7/8

10:38 p.m.-10:07 a.m.

1 stop8h 29m

Toronto Island

Tue 11/8

12:15 p.m.-7:12 p.m.

1 stop9h 57m

C$ 719

San FranciscoToronto

SFO - YTZ

SFOYTZ

San Francisco

Fri 31/7

9:00 p.m.-6:46 p.m.

2 stops18h 46m

Toronto Island

Mon 10/8

7:25 p.m.-8:38 a.m.

1 stop16h 13m

C$ 733

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, January 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$ 189. If you are unable to visit Region of Ontario during the month of January, then departing from San Francisco Bay Area during the month June is also very affordable. Most momondo users find prices during this month for around C$ 669.

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 Thursday. Travellers who choose to depart for Region of Ontario on a Thursday will often find tickets for as low as C$ 497. The most expensive day to fly to Region of Ontario is Sunday, with ticket prices averaging around C$ 689.

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 morning. Flights from San Francisco Bay Area to Region of Ontario during this time can be as low as C$ 591. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are C$ 664 on average. Flights to Region of Ontario from San Francisco Bay Area in the evening 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 from San Francisco Bay Area to 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$ 679 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$ 617 on momondo.

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

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

You could potentially save up to 64% 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 54m
Direct flights	Every day
Airports in Region of Ontario	125 airports

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

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

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

Search flight deals

Frequently asked questions about flying from San Francisco Bay Area to Ontario

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 June 2026, 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 28.91% of the total bookings. Other popular models include Boeing 737 MAX 8 with 22.82%, De Havilland (Bombardier) DHC-8-400 Dash 8Q with 5.92%, and Airbus A321neo with 5.23%.

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$ 201	Free Cancellation	Rating 8.0 438 reviews	Search Porter Airlines flights
Air Canada	PriceFrom C$ 266	Free Cancellation	Rating 7.1 11,220 reviews	Search Air Canada flights
WestJet	PriceFrom C$ 295	Free Cancellation	Rating 7.2 3,375 reviews	Search WestJet flights
Air Transat	PriceFrom C$ 503	Free Cancellation	Rating 7.8 555 reviews	Search Air Transat flights
United Airlines	PriceFrom C$ 546	Free Cancellation	Rating 7.4 9,860 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

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Popular Cities in Ontario

Flights to Torontofrom C$ 137

Flights to Vancouverfrom C$ 103

Flights to Montrealfrom C$ 196

Flights to Calgaryfrom C$ 127

Flights to Winnipegfrom C$ 145

Flights to Ottawafrom C$ 209

Flights to Halifaxfrom C$ 174

Flights to Kelownafrom C$ 117

Flights to Saskatoonfrom C$ 229

Flights to Reginafrom C$ 258

Flights to St. John'sfrom C$ 277

Flights to Québec Cityfrom C$ 319

Cheap flights from San Francisco Bay Area 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 Bay Area to Ontario departing on 21/7. 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 Bay Area to Ontario

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Big names, great deals

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Filter for what you want

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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

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

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?

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

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

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

What is the cheapest airline that flies 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?

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

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

Frequently asked questions about flying from San Francisco Bay Area to 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?

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

Region of Ontario flight routes

According to popular flight searches on momondo this year

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