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

United Airlines, Delta, and Alaska 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 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 50% of people opting to fly with this airline when travelling to Region of Ontario. Keep in mind that there are 6 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 March 2026, there are 6 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$ 198 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 21 per day as of March 2026. The most frequent departure time is 8:00a.m., with 53% 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 March 2026, there are 151 flights per week flying from San Francisco Bay Area to Region of Ontario. The most common day of the week flights depart is Tue, with 19% of flights taking off on this day.

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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.

5:26 p.m. - 8:09 p.m.

SFO

YYZ

23h 43m

1 stop

9:30 a.m. - 4:16 p.m.

YYZ

SFO

9h 46m

1 stop

C$ 458Multiple Airlines

Tue, 2 Jun - Tue, 9 Jun

10:38 p.m. - 12:14 a.m.

SFO

YYZ

22h 36m

2 stops

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

YYZ

SFO

5h 55mdirect

C$ 472Multiple Airlines

Tue, 21 Apr - Thu, 30 Apr

1:55 p.m. - 5:45 a.m.

SJC

YYZ

12h 50m

2 stops

6:15 a.m. - 3:32 p.m.

YYZ

SJC

12h 17m

2 stops

C$ 509WestJet

Wed, 6 May - Wed, 13 May

8:05 a.m. - 9:32 p.m.

SFO

YTZ

10h 27m

1 stop

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

YTZ

SFO

11h 32m

1 stop

C$ 527Air Canada

Wed, 6 May - Wed, 13 May

3:45 p.m. - 2:19 p.m.

SJC

YYZ

19h 34m

2 stops

5:20 p.m. - 10:41 p.m.

YYZ

SJC

8h 21m

1 stop

C$ 527United Airlines

Tue, 7 Apr - Wed, 8 Apr

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

SFO

YUL

8h 17m

1 stop

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

YUL

SFO

8h 35m

1 stop

C$ 528Porter Airlines

Tue, 5 May - Tue, 12 May

6:19 p.m. - 9:19 a.m.

SJC

YYZ

12h 00m

2 stops

1:00 p.m. - 9:32 p.m.

YYZ

SJC

11h 32m

2 stops

C$ 534United Airlines

Fri, 1 May - Sat, 2 May

1:59 p.m. - 6:55 a.m.

SJC

YYZ

13h 56m

2 stops

10:50 a.m. - 7:19 p.m.

YYZ

SJC

11h 29m

2 stops

C$ 536WestJet

Mon, 4 May - Mon, 11 May

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$ 539Porter Airlines

Mon, 20 Apr - Tue, 28 Apr

6:00 p.m. - 10:25 a.m.

SFO

YTZ

13h 25m

2 stops

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

YTZ

SFO

11h 52m

1 stop

C$ 564Air Canada

Wed, 22 Apr - Wed, 29 Apr

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

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

Porter Airlines

9 Apr

SFO1:45 p.m.San Francisco

4h 57m

YYZ9:42 p.m.Toronto Pearson Intl

15 Apr

YYZ9:50 a.m.Toronto Pearson Intl

5h 55m

SFO12:45 p.m.San Francisco

C$ 490

Porter Airlines

3 Apr

SFO1:45 p.m.San Francisco

4h 57m

YYZ9:42 p.m.Toronto Pearson Intl

9 Apr

YYZ9:50 a.m.Toronto Pearson Intl

5h 55m

SFO12:45 p.m.San Francisco

C$ 496

Porter Airlines

16 Apr

SFO1:45 p.m.San Francisco

4h 57m

YYZ9:42 p.m.Toronto Pearson Intl

23 Apr

YYZ9:50 a.m.Toronto Pearson Intl

5h 55m

SFO12:45 p.m.San Francisco

C$ 502

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

1 May

SFO6:00 a.m.San Francisco

10h 55m

2 stops

YYZ7:55 p.m.Toronto Pearson Intl

17 May

YYZ6:15 a.m.Toronto Pearson Intl

8h 45m

1 stop

SFO12:00 p.m.San Francisco

C$ 506

WestJet

6 May

SJC1:55 p.m.San Jose

12h 50m

2 stops

YYZ5:45 a.m.Toronto Pearson Intl

13 May

YYZ6:15 a.m.Toronto Pearson Intl

12h 17m

2 stops

SJC3:32 p.m.San Jose

C$ 509

WestJet

14 May

SFO1:00 p.m.San Francisco

8h 10m

1 stop

YYZ12:10 a.m.Toronto Pearson Intl

19 May

YYZ3:50 p.m.Toronto Pearson Intl

9h 05m

1 stop

SFO9:55 p.m.San Francisco

C$ 517

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 2/6

5:26 p.m.-8:09 p.m.

1 stop23h 43m

Toronto Pearson Intl

Tue 9/6

9:30 a.m.-4:16 p.m.

1 stop9h 46m

C$ 458

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Tue 21/4

10:38 p.m.-12:14 a.m.

2 stops22h 36m

Toronto Pearson Intl

Thu 30/4

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

Nonstop5h 55m

C$ 472

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Wed 6/5

1:55 p.m.-5:45 a.m.

2 stops12h 50m

Toronto Pearson Intl

Wed 13/5

6:15 a.m.-3:32 p.m.

2 stops12h 17m

C$ 509

San FranciscoToronto

SFO - YTZ

SFOYTZ

San Francisco

Wed 6/5

8:05 a.m.-9:32 p.m.

1 stop10h 27m

Toronto Island

Wed 13/5

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

1 stop11h 32m

C$ 527

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Tue 7/4

3:45 p.m.-2:19 p.m.

2 stops19h 34m

Toronto Pearson Intl

Wed 8/4

5:20 p.m.-10:41 p.m.

1 stop8h 21m

C$ 527

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Tue 5/5

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

1 stop8h 17m

Montreal Pierre Elliott Trudeau Intl

Tue 12/5

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

1 stop8h 35m

C$ 528

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Fri 1/5

6:19 p.m.-9:19 a.m.

2 stops12h 00m

Toronto Pearson Intl

Sat 2/5

1:00 p.m.-9:32 p.m.

2 stops11h 32m

C$ 534

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Mon 4/5

1:59 p.m.-6:55 a.m.

2 stops13h 56m

Toronto Pearson Intl

Mon 11/5

10:50 a.m.-7:19 p.m.

2 stops11h 29m

C$ 536

Quickest round-trip

San FranciscoMontreal

SFO - YUL

SFOYUL

San Francisco

Mon 20/4

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

1 stop7h 50m

Montreal Pierre Elliott Trudeau Intl

Tue 28/4

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

1 stop9h 00m

C$ 539

San FranciscoToronto

SFO - YTZ

SFOYTZ

San Francisco

Wed 22/4

6:00 p.m.-10:25 a.m.

2 stops13h 25m

Toronto Island

Wed 29/4

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

1 stop11h 52m

C$ 564

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$ 539. 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$ 552.

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$ 515. The most expensive day to fly to Region of Ontario is Monday, 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 morning. Flights from San Francisco Bay Area to Region of Ontario during this time can be as low as C$ 557. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are C$ 612 on average. Flights to Region of Ontario from San Francisco Bay Area in the afternoon 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$ 618 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$ 525 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 55% 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 57m
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 57m

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?
As of March 2026, there are 6 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 27.91% of the total bookings. Other popular models include Boeing 737 MAX 8 with 14.54%, Airbus A321-100/200 with 5.38%, and Airbus A321neo with 5.17%.

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$ 195	Free Cancellation	Rating 8.0 428 reviews	Search Porter Airlines flights
WestJet	PriceFrom C$ 221	Free Cancellation	Rating 7.2 3,302 reviews	Search WestJet flights
Delta	PriceFrom C$ 223	Free Cancellation	Rating 7.9 8,326 reviews	Search Delta flights
Air Canada	PriceFrom C$ 267	Free Cancellation	Rating 7.1 10,840 reviews	Search Air Canada flights
Air Transat	PriceFrom C$ 490	Free Cancellation	Rating 7.7 523 reviews	Search Air Transat flights
United Airlines	PriceFrom C$ 531	Free Cancellation	Rating 7.4 9,477 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$ 136

Flights to Vancouverfrom C$ 83

Flights to Montrealfrom C$ 191

Flights to Calgaryfrom C$ 120

Flights to Ottawafrom C$ 232

Flights to Winnipegfrom C$ 179

Flights to Halifaxfrom C$ 153

Flights to Kelownafrom C$ 146

Flights to Saskatoonfrom C$ 226

Flights to Reginafrom C$ 252

Flights to St. John'sfrom C$ 249

Flights to Vancouverfrom C$ 80

Cheap flights from San Francisco Bay Area to Ontario from C$ 198

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 4/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

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Price Alerts

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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

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

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

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

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 to Region of Ontario?

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

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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