How long does it take to fly to San Francisco?

Flight times from Region of Ontario to San Francisco vary, but if you’re flying out of Toronto and flying into San Francisco (one of the most popular routes), then the duration is 7h 47m on average. Another popular route from Region of Ontario to San Francisco is flying from Ottawa to San Francisco, which will take roughly 8h 23m. Keep in mind that layovers or delays could extend your travel time.

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

WestJet, Porter Airlines, and Air Canada are the most popular carriers operating from Ontario to San Francisco

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

The number of flights available between Region of Ontario and San Francisco is 149 per week as of November 2025. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.

What airlines fly to San Francisco?

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to San Francisco from Region of Ontario according to our data. Air Canada is the first choice among our users, with 49% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 7 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

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

As of November 2025, 21 flights take off from Region of Ontario and land in San Francisco each day. The most common flight departure time for this route is 6:00PM, with 67% of daily flights taking off at noon.

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

Prices for flights from Ontario to San Francisco Airport refresh daily.

How many operators does momondo search for flights from Ontario to San Francisco Airport?

The number of operators available for flights from Ontario to San Francisco Airport is 7 as of November 2025.

How old do you have to be to fly from Ontario to San Francisco Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario to San Francisco Airport.

What documentation or ID do you need to fly to San Francisco Airport?

The travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$152 Cheap Flights from Ontario to San Francisco in 2025/26

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Find the cheapest flights from Ontario to San Francisco

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:55 pm - 7:48 amYYZ-SFO

14h 53m1 stop

6:00 am - 7:55 pmSFO-YYZ

10h 55m1 stop

$267Multiple Airlines

Find Deal

vie., dic. 5 - mar., dic. 16

8:00 pm - 8:50 amYYZ-SFO

15h 50m1 stop

10:15 am - 12:38 amSFO-YYZ

11h 23m1 stop

$268Multiple Airlines

Find Deal

lun., ene. 5 - dom., ene. 18

6:00 am - 11:54 amYKF-SFO

8h 54m1 stop

12:50 pm - 12:45 amSFO-YKF

8h 55m1 stop

$285WestJet

Find Deal

jue., may. 7 - mié., may. 13

6:00 am - 11:54 amYKF-SFO

8h 54m1 stop

12:50 pm - 12:45 amSFO-YKF

8h 55m1 stop

$299WestJet

Find Deal

mié., abr. 29 - sáb., may. 9

3:30 pm - 9:22 pmYTZ-SFO

8h 52m1 stop

8:25 am - 9:35 pmSFO-YTZ

10h 10m1 stop

$317Air Canada

Find Deal

mar., dic. 16 - jue., ene. 8

3:30 pm - 9:22 pmYTZ-SFO

8h 52m1 stop

8:25 am - 9:35 pmSFO-YTZ

10h 10m1 stop

$327Air Canada

Find Deal

vie., ene. 30 - dom., feb. 1

6:45 am - 12:40 pmYOW-SFO

8h 55m1 stop

1:40 pm - 12:41 amSFO-YOW

8h 01m1 stop

$350Porter Airlines

Find Deal

sáb., abr. 18 - mar., abr. 28

6:45 am - 12:40 pmYUL-SFO

8h 55m1 stop

1:40 pm - 12:35 amSFO-YUL

7h 55m1 stop

$353Porter Airlines

Find Deal

sáb., dic. 6 - sáb., dic. 13

6:15 am - 10:53 amYXU-SFO

7h 38m1 stop

12:45 am - 2:57 pmSFO-YXU

11h 12m2 stops

$496United Airlines

Find Deal

dom., may. 3 - mié., may. 6

6:15 am - 1:03 pmYXU-SFO

9h 48m1 stop

12:45 am - 2:57 pmSFO-YXU

11h 12m2 stops

$549United Airlines

Find Deal

dom., may. 3 - mié., may. 6

Flair Airlines flights from Region of Ontario to San Francisco

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

Flair Airlines

Feb 18

YYZ9:00 pmToronto Pearson Intl

15h 30m

1 stop

SFO9:30 amSan Francisco

Feb 22

SFO10:15 amSan Francisco

18h 35m

1 stop

YYZ7:50 amToronto Pearson Intl

$289

Find similar

Flair Airlines

Dec 1

YYZ9:00 pmToronto Pearson Intl

15h 30m

1 stop

SFO9:30 amSan Francisco

Dec 6

SFO10:15 amSan Francisco

17h 25m

1 stop

YYZ6:40 amToronto Pearson Intl

$434

Find similar

Porter Airlines flights from Region of Ontario to San Francisco

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

Porter Airlines

Dec 8

YYZ9:45 amToronto Pearson Intl

5h 55m

SFO12:40 pmSan Francisco

Dec 11

SFO1:40 pmSan Francisco

4h 59m

YYZ9:39 pmToronto Pearson Intl

$290

Find similar

Porter Airlines

Dec 11

YYZ9:45 amToronto Pearson Intl

5h 55m

SFO12:40 pmSan Francisco

Jan 6

SFO1:40 pmSan Francisco

4h 57m

YYZ9:37 pmToronto Pearson Intl

$292

Find similar

Porter Airlines

Dec 8

YYZ9:45 amToronto Pearson Intl

5h 55m

SFO12:40 pmSan Francisco

Dec 11

SFO1:40 pmSan Francisco

4h 59m

YYZ9:39 pmToronto Pearson Intl

$294

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

vie. 12/5

7:55 pm-7:48 am

1 stop14h 53m

San Francisco

mar. 12/16

6:00 am-7:55 pm

1 stop10h 55m

$267

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

lun. 1/5

8:00 pm-8:50 am

1 stop15h 50m

San Francisco

dom. 1/18

10:15 am-12:38 am

1 stop11h 23m

$268

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

jue. 5/7

6:00 am-11:54 am

1 stop8h 54m

San Francisco

mié. 5/13

12:50 pm-12:45 am

1 stop8h 55m

$285

TorontoSan Francisco

YKF - SFO

YKFSFO

Toronto Region of Waterloo Intl

mié. 4/29

6:00 am-11:54 am

1 stop8h 54m

San Francisco

sáb. 5/9

12:50 pm-12:45 am

1 stop8h 55m

$299

TorontoSan Francisco

YTZ - SFO

YTZSFO

Toronto Island

mar. 12/16

3:30 pm-9:22 pm

1 stop8h 52m

San Francisco

jue. 1/8

8:25 am-9:35 pm

1 stop10h 10m

$317

TorontoSan Francisco

YTZ - SFO

YTZSFO

Toronto Island

vie. 1/30

3:30 pm-9:22 pm

1 stop8h 52m

San Francisco

dom. 2/1

8:25 am-9:35 pm

1 stop10h 10m

$327

OttawaSan Francisco

YOW - SFO

YOWSFO

Ottawa

sáb. 4/18

6:45 am-12:40 pm

1 stop8h 55m

San Francisco

mar. 4/28

1:40 pm-12:41 am

1 stop8h 01m

$350

MontrealSan Francisco

YUL - SFO

YULSFO

Montreal Pierre Elliott Trudeau Intl

sáb. 12/6

6:45 am-12:40 pm

1 stop8h 55m

San Francisco

sáb. 12/13

1:40 pm-12:35 am

1 stop7h 55m

$353

LondonSan Francisco

YXU - SFO

YXUSFO

London

dom. 5/3

6:15 am-10:53 am

1 stop7h 38m

San Francisco

mié. 5/6

12:45 am-2:57 pm

2 stops11h 12m

$496

LondonSan Francisco

YXU - SFO

YXUSFO

London

dom. 5/3

6:15 am-1:03 pm

1 stop9h 48m

San Francisco

mié. 5/6

12:45 am-2:57 pm

2 stops11h 12m

$549

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Region of Ontario to San Francisco

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 San Francisco?

If you aren’t able to travel to San Francisco during the month of April, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $327.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Region of Ontario to San Francisco is on a Thursday when prices can be found for as low as $433. The most expensive day to fly to San Francisco is Tuesday, with ticket prices averaging around $731.

What is the cheapest time of day to depart on your flight to San Francisco?

Our data shows that the cheapest Region of Ontario to San Francisco flights are usually those with departure times in the morning. Our users have found flights to San Francisco in the morning for as low as $447. Flights in the evening are often more expensive with an average ticket price of $935.

What is the cheapest Ontario to San Francisco flight route?

Fly from Toronto Pearson Intl to San Francisco for the best Ontario - San Francisco flight prices

How far in advance should I book a flight to San Francisco?

You are more likely to see cheaper flights to San Francisco from Region of Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $370 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Region of Ontario for as low as $332 on momondo.

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

There are 4 cabin classes available to choose from on Ontario to San Francisco 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 Region of Ontario to San Francisco flights?

You could potentially save up to 11% on your flight if you consider stops on a Region of Ontario to San Francisco flight.

Cheap Region of Ontario to San Francisco flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to San Francisco

Best Price Found	$215
Fastest flight time	5h 38m
Direct flights	Every day
Airports in San Francisco	1 airport

The best one-way flight to San Francisco from Region of Ontario in the past 72 hours is $215. The best round-trip flight deal from Region of Ontario to San Francisco found on momondo in the last 72 hours is $361.

The fastest flight from Region of Ontario to San Francisco takes 5h 38m

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

There is 1 airport near San Francisco: San Francisco (SFO)

Search flight deals

When did momondo last update prices for flights from Ontario to San Francisco Airport?
Prices for flights from Ontario to San Francisco Airport refresh daily.
How many operators does momondo search for flights from Ontario to San Francisco Airport?
The number of operators available for flights from Ontario to San Francisco Airport is 7 as of November 2025.
How old do you have to be to fly from Ontario to San Francisco Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Region of Ontario to San Francisco?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Region of Ontario to San Francisco is Embraer 195 E2 (47.55% of total bookings). The next most popular plane models are Airbus A220-300 (19.66%), Boeing 737-900 (11.57%), and Boeing 737-800 (6.97%).

Best airlines flying from Region of Ontario to San Francisco

Compare and see reviews for airlines that fly from Region of Ontario to San Francisco with momondo

Airline	Rating	Free Cancellation	Price
WestJet	PriceFrom $172	Free Cancellation	Rating 7.2 3,163 reviews	Search WestJet flights
Air Canada	PriceFrom $222	Free Cancellation	Rating 7.1 10,457 reviews	Search Air Canada flights
United Airlines	PriceFrom $241	Free Cancellation	Rating 7.4 9,014 reviews	Search United Airlines flights
Porter Airlines	PriceFrom $253	Free Cancellation	Rating 8.0 392 reviews	Search Porter Airlines flights
American Airlines	PriceFrom $288	Free Cancellation	Rating 7.2 11,046 reviews	Search American Airlines flights
Delta	PriceFrom $308	Free Cancellation	Rating 7.9 8,006 reviews	Search Delta flights
Air Transat	PriceFrom $324	Free Cancellation	Rating 7.8 473 reviews	Search Air Transat flights

Santa Cruz

Carmel-by-the-Sea

Modesto

Sonoma

Bodega Bay

Roseville

Calistoga

Hayward

Big Sur

Santa Clara

Daly City

Fremont

Berkeley

Vallejo

Walnut Creek

Half Moon Bay

Salinas

Livermore

Turlock

South San Francisco

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to San Francisco. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to San Francisco from Ontario with this policy.

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

momondo provides multiple filters to help you find the best flight to San Francisco from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to San Francisco from Ontario 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.

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Cheap flights from Ontario to San Francisco from $152

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to San Francisco departing on 1/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Flair Airlines flights from Region of Ontario to San Francisco

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

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

See travel insights to San Francisco from

How to get the cheapest flight ticket from Region of Ontario to San Francisco

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 San Francisco?

If you aren’t able to travel to San Francisco during the month of April, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $327.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Region of Ontario to San Francisco is on a Thursday when prices can be found for as low as $433. The most expensive day to fly to San Francisco is Tuesday, with ticket prices averaging around $731.

What is the cheapest time of day to depart on your flight to San Francisco?

Our data shows that the cheapest Region of Ontario to San Francisco flights are usually those with departure times in the morning. Our users have found flights to San Francisco in the morning for as low as $447. Flights in the evening are often more expensive with an average ticket price of $935.

What is the cheapest Ontario to San Francisco flight route?

Fly from Toronto Pearson Intl to San Francisco for the best Ontario - San Francisco flight prices

How far in advance should I book a flight to San Francisco?

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

There are 4 cabin classes available to choose from on Ontario to San Francisco 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 Region of Ontario to San Francisco flights?

You could potentially save up to 11% on your flight if you consider stops on a Region of Ontario to San Francisco flight.

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

WestJet, Porter Airlines, and Air Canada are the most popular carriers operating from Ontario to San Francisco

What airlines fly to San Francisco?

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

As of November 2025, 21 flights take off from Region of Ontario and land in San Francisco each day. The most common flight departure time for this route is 6:00PM, with 67% of daily flights taking off at noon.

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

The number of flights available between Region of Ontario and San Francisco is 149 per week as of November 2025. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.

How long does it take to fly to San Francisco?

Cheap Region of Ontario to San Francisco flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to San Francisco

Best Price Found

Fastest flight time

Direct flights

Airports in San Francisco

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

How many operators does momondo search for flights from Ontario to San Francisco Airport?

How old do you have to be to fly from Ontario to San Francisco Airport?

What documentation or ID do you need to fly to San Francisco Airport?

What is the most popular plane model from Region of Ontario to San Francisco?

Best airlines flying from Region of Ontario to San Francisco

Compare and see reviews for airlines that fly from Region of Ontario to San Francisco with momondo

Traveling to a place near San Francisco?

Why use momondo?

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

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

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

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

An easier way to manage your San Francisco 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 the United States

Airports servicing California