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

The number of flights available between San Francisco and Region of Ontario is 25 per day as of September 2026. The most frequent departure time is 8:00AM, with 49% of daily flights leaving at noon.

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 180 per week as of September 2026. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.

What airlines fly to Region of Ontario?

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Region of Ontario from San Francisco according to our data. Air Canada is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Region of Ontario. Keep in mind that there are 8 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 to Ontario?

WestJet, Air Canada, and United Airlines are the most popular carriers operating 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 September 2026, there are 8 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?

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 Airport 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.

$107 Cheap Flights from San Francisco to Ontario in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Francisco to Ontario

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One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

1:00 pm - 7:00 pmSFO San Francisco-YQT Thunder Bay

27h 00m1 stop Calgary

6:20 am - 12:45 pmYQT Thunder Bay-SFO San Francisco

9h 25m1 stop Toronto Pearson Intl

$306Multiple Airlines

Wed, Oct 14 - Wed, Oct 28

6:05 pm - 7:00 pmSFO San Francisco-YQT Thunder Bay

21h 55m1 stop Calgary

4:40 pm - 4:50 pmYQT Thunder Bay-SFO San Francisco

27h 10m2 stops Winnipeg Calgary

$337WestJet

Wed, Oct 14 - Wed, Oct 28

1:45 pm - 9:39 pmSFO San Francisco-YYZ Toronto Pearson Intl

4h 54mnonstop

9:50 am - 12:45 pmYYZ Toronto Pearson Intl-SFO San Francisco

5h 55mnonstop

$340Porter Airlines

Wed, Oct 28 - Mon, Nov 2

1:36 pm - 12:50 pmSFO San Francisco-YYZ Toronto Pearson Intl

20h 14m2 stops Phoenix Sky Harbor Intl Calgary

9:50 am - 12:45 pmYYZ Toronto Pearson Intl-SFO San Francisco

5h 55mnonstop

$340Multiple Airlines

Tue, Oct 27 - Sat, Oct 31

6:00 am - 5:10 pmSFO San Francisco-YYZ Toronto Pearson Intl

8h 10m1 stop Calgary

6:00 am - 12:00 pmYYZ Toronto Pearson Intl-SFO San Francisco

9h 00m1 stop Calgary

$340WestJet

Sun, Oct 18 - Tue, Oct 20

1:20 pm - 9:20 pmSFO San Francisco-YYZ Toronto Pearson Intl

5h 00mnonstop

9:50 am - 12:45 pmYYZ Toronto Pearson Intl-SFO San Francisco

5h 55mnonstop

$341Porter Airlines

Sat, Oct 24 - Tue, Oct 27

6:30 am - 7:57 pmSFO San Francisco-YYZ Toronto Pearson Intl

10h 27m1 stop Vancouver Intl

7:00 am - 1:51 pmYYZ Toronto Pearson Intl-SFO San Francisco

9h 51m1 stop Vancouver Intl

$353Air Canada

Thu, Nov 5 - Thu, Nov 12

4:40 pm - 10:11 amSFO San Francisco-YQT Thunder Bay

14h 31m1 stop Toronto Pearson Intl

11:20 am - 9:30 pmYQT Thunder Bay-SFO San Francisco

13h 10m1 stop Toronto Pearson Intl

$365Air Canada

Thu, Nov 12 - Mon, Nov 16

1:45 pm - 9:39 pmSFO San Francisco-YYZ Toronto Pearson Intl

4h 54mnonstop

9:50 am - 12:45 pmYYZ Toronto Pearson Intl-SFO San Francisco

5h 55mnonstop

$374Air Transat

Mon, Nov 16 - Wed, Nov 18

1:45 pm - 9:39 pmSFO San Francisco-YYZ Toronto Pearson Intl

4h 54mnonstop

9:50 am - 12:45 pmYYZ Toronto Pearson Intl-SFO San Francisco

5h 55mnonstop

$376Air Transat

Thu, Nov 5 - Wed, Nov 11

Cheap last minute flights

Enter your travel dates to find the best prices.

8:24 pm - 5:10 amSFO San Francisco-YYZ Toronto Pearson Intl

29h 46m2 stops Las Vegas Harry Reid Intl Edmonton

6:00 am - 12:00 pmYYZ Toronto Pearson Intl-SFO San Francisco

9h 00m1 stop Calgary

$441Multiple Airlines

Sun, Sep 27 - Sat, Oct 24

11:17 am - 5:10 amSFO San Francisco-YYZ Toronto Pearson Intl

14h 53m2 stops Las Vegas Harry Reid Intl Edmonton

3:50 pm - 9:55 pmYYZ Toronto Pearson Intl-SFO San Francisco

9h 05m1 stop Calgary

$455Multiple Airlines

Mon, Sep 28 - Mon, Oct 5

6:00 am - 9:35 pmSFO San Francisco-YYZ Toronto Pearson Intl

12h 35m2 stops Calgary Winnipeg

12:40 pm - 9:55 pmYYZ Toronto Pearson Intl-SFO San Francisco

12h 15m2 stops Winnipeg Calgary

$465WestJet

Tue, Sep 29 - Wed, Oct 14

6:00 am - 9:35 pmSFO San Francisco-YYZ Toronto Pearson Intl

12h 35m2 stops Calgary Winnipeg

3:50 pm - 9:55 pmYYZ Toronto Pearson Intl-SFO San Francisco

9h 05m1 stop Calgary

$465WestJet

Tue, Sep 29 - Wed, Oct 14

8:10 am - 9:30 pmSFO San Francisco-YTZ Toronto Island

10h 20m1 stop Montreal Pierre Elliott Trudeau Intl

12:30 pm - 8:47 pmYTZ Toronto Island-SFO San Francisco

11h 17m1 stop Montreal Pierre Elliott Trudeau Intl

$499Air Canada

Sat, Sep 26 - Wed, Sep 30

1:20 pm - 9:25 pmSFO San Francisco-YYZ Toronto Pearson Intl

5h 05mnonstop

9:45 am - 12:15 pmYYZ Toronto Pearson Intl-SFO San Francisco

5h 30mnonstop

$550Porter Airlines

Sat, Sep 26 - Wed, Sep 30

1:20 pm - 9:25 pmSFO San Francisco-YYZ Toronto Pearson Intl

5h 05mnonstop

9:45 am - 12:20 pmYYZ Toronto Pearson Intl-SFO San Francisco

5h 35mnonstop

$553Air Transat

Tue, Sep 29 - Tue, Oct 6

1:20 pm - 9:25 pmSFO San Francisco-YYZ Toronto Pearson Intl

5h 05mnonstop

9:45 am - 12:15 pmYYZ Toronto Pearson Intl-SFO San Francisco

5h 30mnonstop

$562Porter Airlines

Thu, Sep 24 - Sat, Sep 26

1:20 pm - 9:25 pmSFO San Francisco-YYZ Toronto Pearson Intl

5h 05mnonstop

9:45 am - 12:20 pmYYZ Toronto Pearson Intl-SFO San Francisco

5h 35mnonstop

$598Air Transat

Tue, Sep 29 - Sat, Oct 3

11:30 pm - 10:07 amSFO San Francisco-YTZ Toronto Island

7h 37m1 stop Chicago O'Hare Intl

4:30 pm - 9:48 pmYTZ Toronto Island-SFO San Francisco

8h 18m1 stop Montreal Pierre Elliott Trudeau Intl

$923Air Canada

Tue, Sep 29 - Tue, Oct 13

Cheap direct flights

Enter your travel dates to find the best prices.

1:45 pm - 9:39 pmSFO San Francisco-YYZ Toronto Pearson Intl

4h 54mnonstop

9:50 am - 12:45 pmYYZ Toronto Pearson Intl-SFO San Francisco

5h 55mnonstop

$340Porter Airlines

Wed, Oct 28 - Mon, Nov 2

1:20 pm - 9:20 pmSFO San Francisco-YYZ Toronto Pearson Intl

5h 00mnonstop

9:50 am - 12:45 pmYYZ Toronto Pearson Intl-SFO San Francisco

5h 55mnonstop

$341Porter Airlines

Sat, Oct 24 - Tue, Oct 27

1:35 pm - 9:35 pmSFO San Francisco-YYZ Toronto Pearson Intl

5h 00mnonstop

9:45 am - 12:20 pmYYZ Toronto Pearson Intl-SFO San Francisco

5h 35mnonstop

$356Multiple Airlines

Sat, Oct 10 - Fri, Oct 16

1:45 pm - 9:39 pmSFO San Francisco-YYZ Toronto Pearson Intl

4h 54mnonstop

9:50 am - 12:45 pmYYZ Toronto Pearson Intl-SFO San Francisco

5h 55mnonstop

$358Multiple Airlines

Fri, Oct 30 - Mon, Nov 2

1:35 pm - 9:35 pmSFO San Francisco-YYZ Toronto Pearson Intl

5h 00mnonstop

6:30 am - 9:08 amYYZ Toronto Pearson Intl-SFO San Francisco

5h 38mnonstop

$369Air Canada

Sat, Oct 17 - Fri, Oct 23

11:35 am - 7:40 pmSFO San Francisco-YYZ Toronto Pearson Intl

5h 05mnonstop

6:30 am - 9:08 amYYZ Toronto Pearson Intl-SFO San Francisco

5h 38mnonstop

$371Air Canada

Sat, Oct 10 - Fri, Oct 16

1:45 pm - 9:39 pmSFO San Francisco-YYZ Toronto Pearson Intl

4h 54mnonstop

9:50 am - 12:45 pmYYZ Toronto Pearson Intl-SFO San Francisco

5h 55mnonstop

$374Air Transat

Mon, Nov 16 - Wed, Nov 18

1:45 pm - 9:39 pmSFO San Francisco-YYZ Toronto Pearson Intl

4h 54mnonstop

9:50 am - 12:45 pmYYZ Toronto Pearson Intl-SFO San Francisco

5h 55mnonstop

$376Air Transat

Thu, Nov 5 - Wed, Nov 11

10:51 pm - 7:00 amSFO San Francisco-YYZ Toronto Pearson Intl

5h 09mnonstop

6:30 am - 9:08 amYYZ Toronto Pearson Intl-SFO San Francisco

5h 38mnonstop

$404United Airlines

Mon, Oct 5 - Tue, Oct 20

10:51 pm - 7:00 amSFO San Francisco-YYZ Toronto Pearson Intl

5h 09mnonstop

6:30 am - 9:08 amYYZ Toronto Pearson Intl-SFO San Francisco

5h 38mnonstop

$404United Airlines

Tue, Oct 6 - Wed, Oct 14

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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

Oct 21

SFO1:20 pmSan Francisco

5h 00m

YYZ9:20 pmToronto Pearson Intl

Oct 27

YYZ9:50 amToronto Pearson Intl

5h 55m

SFO12:45 pmSan Francisco

$349

Porter Airlines

Oct 28

SFO1:45 pmSan Francisco

4h 54m

YYZ9:39 pmToronto Pearson Intl

Nov 2

YYZ9:50 amToronto Pearson Intl

5h 55m

SFO12:45 pmSan Francisco

$361

Porter Airlines

Oct 6

SFO1:20 pmSan Francisco

5h 00m

YYZ9:20 pmToronto Pearson Intl

Oct 29

YYZ9:50 amToronto Pearson Intl

5h 55m

SFO12:45 pmSan Francisco

$367

WestJet flights from San Francisco to Region of Ontario

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

WestJet

Oct 14

SFO6:05 pmSan Francisco

21h 55m

1 stop

YQT7:00 pmThunder Bay

Oct 28

YQT4:40 pmThunder Bay

27h 10m

2 stops

SFO4:50 pmSan Francisco

$337

WestJet

Oct 13

SFO1:00 pmSan Francisco

13h 10m

2 stops

YYZ5:10 amToronto Pearson Intl

Oct 21

YYZ3:50 pmToronto Pearson Intl

9h 05m

1 stop

SFO9:55 pmSan Francisco

$340

WestJet

Oct 11

SFO1:00 pmSan Francisco

8h 10m

1 stop

YYZ12:10 amToronto Pearson Intl

Oct 14

YYZ6:00 amToronto Pearson Intl

9h 00m

1 stop

SFO12:00 pmSan Francisco

$342

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoThunder Bay

SFO San Francisco - YQT Thunder Bay

SFOYQT

San Francisco

Wed 10/14

1:00 pm-7:00 pm

1 stop27h 00m

Thunder Bay

Wed 10/28

6:20 am-12:45 pm

1 stop9h 25m

$306

San FranciscoThunder Bay

SFO San Francisco - YQT Thunder Bay

SFOYQT

San Francisco

Wed 10/14

6:05 pm-7:00 pm

1 stop21h 55m

Thunder Bay

Wed 10/28

4:40 pm-4:50 pm

2 stops27h 10m

$337

Quickest round-trip

San FranciscoToronto

SFO San Francisco - YYZ Toronto Pearson Intl

SFOYYZ

San Francisco

Wed 10/28

1:45 pm-9:39 pm

Nonstop4h 54m

Toronto Pearson Intl

Mon 11/2

9:50 am-12:45 pm

Nonstop5h 55m

$340

San FranciscoToronto

SFO San Francisco - YYZ Toronto Pearson Intl

SFOYYZ

San Francisco

Tue 10/27

1:36 pm-12:50 pm

2 stops20h 14m

Toronto Pearson Intl

Sat 10/31

9:50 am-12:45 pm

Nonstop5h 55m

$340

San FranciscoToronto

SFO San Francisco - YYZ Toronto Pearson Intl

SFOYYZ

San Francisco

Sun 10/18

6:00 am-5:10 pm

1 stop8h 10m

Toronto Pearson Intl

Tue 10/20

6:00 am-12:00 pm

1 stop9h 00m

$340

San FranciscoToronto

SFO San Francisco - YYZ Toronto Pearson Intl

SFOYYZ

San Francisco

Sat 10/24

1:20 pm-9:20 pm

Nonstop5h 00m

Toronto Pearson Intl

Tue 10/27

9:50 am-12:45 pm

Nonstop5h 55m

$341

San FranciscoToronto

SFO San Francisco - YYZ Toronto Pearson Intl

SFOYYZ

San Francisco

Thu 11/5

6:30 am-7:57 pm

1 stop10h 27m

Toronto Pearson Intl

Thu 11/12

7:00 am-1:51 pm

1 stop9h 51m

$353

San FranciscoThunder Bay

SFO San Francisco - YQT Thunder Bay

SFOYQT

San Francisco

Thu 11/12

4:40 pm-10:11 am

1 stop14h 31m

Thunder Bay

Mon 11/16

11:20 am-9:30 pm

1 stop13h 10m

$365

San FranciscoToronto

SFO San Francisco - YYZ Toronto Pearson Intl

SFOYYZ

San Francisco

Mon 11/16

1:45 pm-9:39 pm

Nonstop4h 54m

Toronto Pearson Intl

Wed 11/18

9:50 am-12:45 pm

Nonstop5h 55m

$374

San FranciscoToronto

SFO San Francisco - YYZ Toronto Pearson Intl

SFOYYZ

San Francisco

Thu 11/5

1:45 pm-9:39 pm

Nonstop4h 54m

Toronto Pearson Intl

Wed 11/11

9:50 am-12:45 pm

Nonstop5h 55m

$376

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?

The month of February is, on average, the cheapest month to fly to Region of Ontario from San Francisco, with most prices found around $392. If you aren’t able to travel during the month of February, then book flights to Region of Ontario from San Francisco during January instead. Flights to Region of Ontario in January, while not as cheap as those in February, still average around $392.

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

According to our data, Wednesday is the cheapest day to fly to Region of Ontario from San Francisco. The lowest ticket price found for a Wednesday departure recently was $606. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from San Francisco to Region of Ontario on a Sunday will generally be more expensive and average around $762. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Region of Ontario is at noon. momondo users have found flights departing from San Francisco to Region of Ontario at noon for as low as $562. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the morning are often more expensive with an average ticket price of $783.

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 $510 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 $456 on momondo.

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

There are 4 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 17% 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	$107
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 $107. The best round-trip flight deal from San Francisco to Region of Ontario found on momondo in the last 72 hours is $306.

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 September 2026, there are 8 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?
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 Airport 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 to Region of Ontario?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from San Francisco to Region of Ontario is Embraer 195 E2 (42.73% of total bookings). The next most popular plane models are Airbus A320-100/200 (16.38%), Airbus A321-100/200 (13.15%), and Boeing 737 MAX 9 (8.43%).

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
WestJet	PriceFrom $157	Free Cancellation	Rating 7.2 3,446 reviews	Search WestJet flights
Air Transat	PriceFrom $160	Free Cancellation	Rating 7.7 581 reviews	Search Air Transat flights
Porter Airlines	PriceFrom $161	Free Cancellation	Rating 8.0 462 reviews	Search Porter Airlines flights
Delta	PriceFrom $202	Free Cancellation	Rating 7.8 8,594 reviews	Search Delta flights
Air Canada	PriceFrom $217	Free Cancellation	Rating 7.1 11,672 reviews	Search Air Canada flights
Qatar Airways	PriceFrom $338	Free Cancellation	Rating 7.3 3,732 reviews	Search Qatar Airways flights
United Airlines	PriceFrom $402	Free Cancellation	Rating 7.4 10,231 reviews	Search United Airlines flights
American Airlines	PriceFrom $448	Free Cancellation	Rating 7.0 12,077 reviews	Search American 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?

Flights from San Francisco to Ontario with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between San Francisco and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from San Francisco and alert you when they 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.

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Popular cities

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Complete your trip

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Popular cities in Ontario

Flights to Torontofrom $145

Flights to Vancouverfrom $159

Flights to Montrealfrom $237

Flights to Calgaryfrom $145

Flights to Ottawafrom $231

Flights to Halifaxfrom $289

Flights to Winnipegfrom $275

Flights to Québec Cityfrom $322

Flights to Kelownafrom $196

Flights to St. John'sfrom $353

Flights to Saskatoonfrom $286

Flights to Reginafrom $336

Cheap flights from San Francisco to Ontario from $107

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 10/27. 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

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

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Price Alerts

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Porter Airlines flights from San Francisco to Region of Ontario

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

WestJet flights from San Francisco to Region of Ontario

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

momondo Fare Finder

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?

What 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

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

Fly your favorite airline to Ontario

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Complete your trip to Ontario

Explore popular destinations other users love

According to popular flight searches on momondo this year