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

WestJet, Delta, and American 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 51% 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 May 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$ 219 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 May 2026. The most frequent departure time is 8:00a.m., with 59% 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 May 2026, there are 199 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.

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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.

1:00 p.m. - 5:10 a.m.

SFO

YYZ

13h 10m

2 stops

10:50 a.m. - 4:40 p.m.

YYZ

SFO

8h 50m

1 stop

C$ 418WestJet

Wed, 22 Jul - Mon, 27 Jul

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$ 421WestJet

Mon, 6 Jul - Mon, 20 Jul

6:37 p.m. - 3:14 p.m.

SJC

YYZ

17h 37m

1 stop

5:15 p.m. - 10:41 p.m.

YYZ

SJC

8h 26m

1 stop

C$ 584United Airlines

Fri, 11 Sep - Sat, 12 Sep

6:37 p.m. - 2:24 p.m.

SJC

YYZ

16h 47m

2 stops

5:15 p.m. - 10:41 p.m.

YYZ

SJC

8h 26m

1 stop

C$ 597United Airlines

Tue, 8 Sep - Wed, 9 Sep

9:53 a.m. - 11:58 p.m.

SJC

YYZ

11h 05m

2 stops

12:09 p.m. - 7:19 p.m.

YYZ

SJC

10h 10m

2 stops

C$ 608Delta

Thu, 28 May - Fri, 5 Jun

6:00 a.m. - 11:14 p.m.

SJC

YYZ

14h 14m

2 stops

6:05 a.m. - 2:19 p.m.

YYZ

SJC

11h 14m

2 stops

C$ 615Delta

Sat, 23 May - Tue, 9 Jun

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

SFO

YTZ

10h 21m

1 stop

12:30 p.m. - 8:51 p.m.

YTZ

SFO

11h 21m

1 stop

C$ 703Air Canada

Tue, 25 Aug - Thu, 3 Sep

8:10 a.m. - 7:51 p.m.

SFO

YTZ

8h 41m

1 stop

12:30 p.m. - 8:51 p.m.

YTZ

SFO

11h 21m

1 stop

C$ 704Air Canada

Tue, 1 Sep - Wed, 2 Sep

12:20 p.m. - 3:45 p.m.

OAK

YYZ

24h 25m

1 stop

4:55 p.m. - 10:55 p.m.

YYZ

OAK

9h 00m

1 stop

C$ 806Alaska Airlines

Mon, 12 Oct - Wed, 21 Oct

7:00 a.m. - 3:45 p.m.

OAK

YYZ

29h 45m

1 stop

4:55 p.m. - 9:43 a.m.

YYZ

OAK

19h 48m

2 stops

C$ 820Alaska Airlines

Mon, 12 Oct - Wed, 21 Oct

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

22 Jul

SFO1:00 p.m.San Francisco

13h 10m

2 stops

YYZ5:10 a.m.Toronto Pearson Intl

27 Jul

YYZ10:50 a.m.Toronto Pearson Intl

8h 50m

1 stop

SFO4:40 p.m.San Francisco

C$ 418

WestJet

6 Jul

SFO6:00 a.m.San Francisco

10h 55m

2 stops

YYZ7:55 p.m.Toronto Pearson Intl

20 Jul

YYZ3:50 p.m.Toronto Pearson Intl

9h 05m

1 stop

SFO9:55 p.m.San Francisco

C$ 421

WestJet

5 Aug

SFO6:00 a.m.San Francisco

8h 10m

1 stop

YYZ5:10 p.m.Toronto Pearson Intl

19 Aug

YYZ6:15 a.m.Toronto Pearson Intl

8h 45m

1 stop

SFO12:00 p.m.San Francisco

C$ 422

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

28 May

SJC9:53 a.m.San Jose

11h 05m

2 stops

YYZ11:58 p.m.Toronto Pearson Intl

5 Jun

YYZ12:09 p.m.Toronto Pearson Intl

10h 10m

2 stops

SJC7:19 p.m.San Jose

C$ 608

Delta

23 May

SJC6:00 a.m.San Jose

14h 14m

2 stops

YYZ11:14 p.m.Toronto Pearson Intl

9 Jun

YYZ6:05 a.m.Toronto Pearson Intl

11h 14m

2 stops

SJC2:19 p.m.San Jose

C$ 615

Delta

10 Jun

SJC12:46 p.m.San Jose

8h 12m

1 stop

YYZ11:58 p.m.Toronto Pearson Intl

11 Jul

YYZ11:40 a.m.Toronto Pearson Intl

13h 01m

1 stop

SJC9:41 p.m.San Jose

C$ 625

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

Wed 22/7

1:00 p.m.-5:10 a.m.

2 stops13h 10m

Toronto Pearson Intl

Mon 27/7

10:50 a.m.-4:40 p.m.

1 stop8h 50m

C$ 418

Quickest round-trip

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Mon 6/7

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

2 stops10h 55m

Toronto Pearson Intl

Mon 20/7

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

1 stop9h 05m

C$ 421

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Fri 11/9

6:37 p.m.-3:14 p.m.

1 stop17h 37m

Toronto Pearson Intl

Sat 12/9

5:15 p.m.-10:41 p.m.

1 stop8h 26m

C$ 584

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Tue 8/9

6:37 p.m.-2:24 p.m.

2 stops16h 47m

Toronto Pearson Intl

Wed 9/9

5:15 p.m.-10:41 p.m.

1 stop8h 26m

C$ 597

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Thu 28/5

9:53 a.m.-11:58 p.m.

2 stops11h 05m

Toronto Pearson Intl

Fri 5/6

12:09 p.m.-7:19 p.m.

2 stops10h 10m

C$ 608

San JoseToronto

SJC - YYZ

SJCYYZ

San Jose

Sat 23/5

6:00 a.m.-11:14 p.m.

2 stops14h 14m

Toronto Pearson Intl

Tue 9/6

6:05 a.m.-2:19 p.m.

2 stops11h 14m

C$ 615

San FranciscoToronto

SFO - YTZ

SFOYTZ

San Francisco

Tue 25/8

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

1 stop10h 21m

Toronto Island

Thu 3/9

12:30 p.m.-8:51 p.m.

1 stop11h 21m

C$ 703

San FranciscoToronto

SFO - YTZ

SFOYTZ

San Francisco

Tue 1/9

8:10 a.m.-7:51 p.m.

1 stop8h 41m

Toronto Island

Wed 2/9

12:30 p.m.-8:51 p.m.

1 stop11h 21m

C$ 704

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Mon 12/10

12:20 p.m.-3:45 p.m.

1 stop24h 25m

Toronto Pearson Intl

Wed 21/10

4:55 p.m.-10:55 p.m.

1 stop9h 00m

C$ 806

OaklandToronto

OAK - YYZ

OAKYYZ

Oakland

Mon 12/10

7:00 a.m.-3:45 p.m.

1 stop29h 45m

Toronto Pearson Intl

Wed 21/10

4:55 p.m.-9:43 a.m.

2 stops19h 48m

C$ 820

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$ 183. 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$ 543.

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$ 482. The most expensive day to fly to Region of Ontario is Monday, with ticket prices averaging around C$ 647.

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$ 559. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are C$ 637 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 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$ 647 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$ 541 on momondo.

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

You could potentially save up to 66% 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	125 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 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 May 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 28.60% of the total bookings. Other popular models include Boeing 737 MAX 8 with 19.12%, De Havilland (Bombardier) DHC-8-400 Dash 8Q with 5.45%, and Airbus A321neo with 5.13%.

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$ 194	Free Cancellation	Rating 8.0 437 reviews	Search Porter Airlines flights
WestJet	PriceFrom C$ 220	Free Cancellation	Rating 7.2 3,332 reviews	Search WestJet flights
Delta	PriceFrom C$ 222	Free Cancellation	Rating 7.9 8,457 reviews	Search Delta flights
Air Canada	PriceFrom C$ 262	Free Cancellation	Rating 7.1 11,011 reviews	Search Air Canada flights
Air Transat	PriceFrom C$ 487	Free Cancellation	Rating 7.8 548 reviews	Search Air Transat flights
United Airlines	PriceFrom C$ 527	Free Cancellation	Rating 7.4 9,696 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.