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 London, Ontario according to our data. Air Canada is the first choice among our users, with 40% 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.

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

United Airlines and Air Canada are the most popular carriers operating from London to San Francisco

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

Prices for flights from London Airport to San Francisco Airport are updated daily.

How old do you have to be to fly from London Airport 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 London Airport to San Francisco Airport.

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

The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$240 Cheap Flights from London, Ontario to San Francisco in 2026/27

Find the cheapest flights from London, Ontario to San Francisco

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:15 am - 9:30 pmYXU London-SFO San Francisco

15h 15m1 stop Toronto Pearson Intl

6:30 am - 9:52 pmSFO San Francisco-YXU London

12h 22m2 stops Vancouver Intl Toronto Pearson Intl

$466Air Canada

Mon, Jan 11 - Wed, Jan 13

9:15 am - 9:33 pmYXU London-SFO San Francisco

15h 18m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

6:30 am - 9:52 pmSFO San Francisco-YXU London

12h 22m2 stops Vancouver Intl Toronto Pearson Intl

$474Air Canada

Mon, Jan 11 - Wed, Jan 13

3:25 pm - 9:30 pmYXU London-SFO San Francisco

9h 05m1 stop Toronto Pearson Intl

8:25 am - 8:27 pmSFO San Francisco-YXU London

9h 02m1 stop Toronto Pearson Intl

$498Air Canada

Wed, Nov 25 - Sun, Nov 29

9:15 am - 9:30 pmYXU London-SFO San Francisco

15h 15m1 stop Toronto Pearson Intl

4:40 pm - 8:37 amSFO San Francisco-YXU London

12h 57m1 stop Toronto Pearson Intl

$502Air Canada

Mon, Jan 11 - Wed, Jan 13

9:15 am - 9:30 pmYXU London-SFO San Francisco

15h 15m1 stop Toronto Pearson Intl

6:30 am - 9:52 pmSFO San Francisco-YXU London

12h 22m2 stops Vancouver Intl Toronto Pearson Intl

$503Air Canada

Mon, Jan 11 - Wed, Jan 13

9:15 am - 9:13 pmYXU London-SFO San Francisco

14h 58m2 stops Toronto Pearson Intl Chicago O'Hare Intl

10:40 pm - 2:42 pmSFO San Francisco-YXU London

13h 02m2 stops Chicago O'Hare Intl Toronto Pearson Intl

$520Air Canada

Mon, Jan 11 - Wed, Jan 13

9:15 am - 9:30 pmYXU London-SFO San Francisco

15h 15m1 stop Toronto Pearson Intl

4:40 pm - 8:37 amSFO San Francisco-YXU London

12h 57m1 stop Toronto Pearson Intl

$540Air Canada

Mon, Jan 11 - Wed, Jan 13

9:05 pm - 11:10 amYXU London-SFO San Francisco

17h 05m1 stop Toronto Pearson Intl

6:30 am - 8:32 amSFO San Francisco-YXU London

23h 02m2 stops Vancouver Intl Toronto Pearson Intl

$550Air Canada

Wed, Nov 25 - Sun, Nov 29

5:30 am - 1:10 pmYXU London-SFO San Francisco

10h 40m1 stop Toronto Pearson Intl

6:20 am - 8:37 amSFO San Francisco-YXU London

23h 17m2 stops Denver Intl Toronto Pearson Intl

$563United Airlines

Thu, Dec 10 - Thu, Dec 17

3:20 pm - 1:45 amYXU London-SFO San Francisco

13h 25m2 stops Toronto Pearson Intl Washington, D.C. Dulles Intl

7:15 am - 9:52 pmSFO San Francisco-YXU London

11h 37m2 stops Houston George Bush Intcntl Toronto Pearson Intl

$564United Airlines

Mon, Jan 11 - Wed, Jan 13

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Delta flights from London, Ontario to San Francisco

Our best Delta deals on London, Ontario to San Francisco flight tickets

Delta

Jan 11

YXU6:40 amLondon

12h 10m

1 stop

SFO3:50 pmSan Francisco

Jan 13

SFO7:00 amSan Francisco

19h 35m

2 stops

YXU5:35 amLondon

$584

Delta

Dec 14

YXU6:40 amLondon

12h 10m

1 stop

SFO3:50 pmSan Francisco

Dec 21

SFO4:40 pmSan Francisco

9h 55m

1 stop

YXU5:35 amLondon

$746

United Airlines flights from London, Ontario to San Francisco

Our best United Airlines deals on London, Ontario to San Francisco flight tickets

United Airlines

Dec 10

YXU5:30 amLondon

10h 40m

1 stop

SFO1:10 pmSan Francisco

Dec 17

SFO6:20 amSan Francisco

23h 17m

2 stops

YXU8:37 amLondon

$563

United Airlines

Jan 11

YXU3:20 pmLondon

13h 25m

2 stops

SFO1:45 amSan Francisco

Jan 13

SFO7:15 amSan Francisco

11h 37m

2 stops

YXU9:52 pmLondon

$564

United Airlines

Dec 10

YXU5:30 amLondon

10h 45m

2 stops

SFO1:15 pmSan Francisco

Dec 17

SFO6:20 amSan Francisco

23h 17m

2 stops

YXU8:37 amLondon

$569

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonSan Francisco

YXU London - SFO San Francisco

YXUSFO

London

Mon 1/11

9:15 am-9:30 pm

1 stop15h 15m

San Francisco

Wed 1/13

6:30 am-9:52 pm

2 stops12h 22m

$466

LondonSan Francisco

YXU London - SFO San Francisco

YXUSFO

London

Mon 1/11

9:15 am-9:33 pm

2 stops15h 18m

San Francisco

Wed 1/13

6:30 am-9:52 pm

2 stops12h 22m

$474

Quickest round-trip

LondonSan Francisco

YXU London - SFO San Francisco

YXUSFO

London

Wed 11/25

3:25 pm-9:30 pm

1 stop9h 05m

San Francisco

Sun 11/29

8:25 am-8:27 pm

1 stop9h 02m

$498

LondonSan Francisco

YXU London - SFO San Francisco

YXUSFO

London

Mon 1/11

9:15 am-9:30 pm

1 stop15h 15m

San Francisco

Wed 1/13

4:40 pm-8:37 am

1 stop12h 57m

$502

LondonSan Francisco

YXU London - SFO San Francisco

YXUSFO

London

Mon 1/11

9:15 am-9:30 pm

1 stop15h 15m

San Francisco

Wed 1/13

6:30 am-9:52 pm

2 stops12h 22m

$503

LondonSan Francisco

YXU London - SFO San Francisco

YXUSFO

London

Mon 1/11

9:15 am-9:13 pm

2 stops14h 58m

San Francisco

Wed 1/13

10:40 pm-2:42 pm

2 stops13h 02m

$520

LondonSan Francisco

YXU London - SFO San Francisco

YXUSFO

London

Mon 1/11

9:15 am-9:30 pm

1 stop15h 15m

San Francisco

Wed 1/13

4:40 pm-8:37 am

1 stop12h 57m

$540

LondonSan Francisco

YXU London - SFO San Francisco

YXUSFO

London

Wed 11/25

9:05 pm-11:10 am

1 stop17h 05m

San Francisco

Sun 11/29

6:30 am-8:32 am

2 stops23h 02m

$550

LondonSan Francisco

YXU London - SFO San Francisco

YXUSFO

London

Thu 12/10

5:30 am-1:10 pm

1 stop10h 40m

San Francisco

Thu 12/17

6:20 am-8:37 am

2 stops23h 17m

$563

LondonSan Francisco

YXU London - SFO San Francisco

YXUSFO

London

Mon 1/11

3:20 pm-1:45 am

2 stops13h 25m

San Francisco

Wed 1/13

7:15 am-9:52 pm

2 stops11h 37m

$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 London, 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

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of January, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $344.

Can stopping save me money on London, Ontario to San Francisco flights?

You could potentially save up to 58% on your flight if you consider stops on a London, Ontario to San Francisco flight.

When to book flights from London, Ontario to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from London, Ontario to San Francisco according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap London, Ontario to San Francisco (YXU to SFO) flight deals and tips

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

Best Price Found	$240
Fastest flight time	8h 40m
Direct flights	None

The best one-way flight to San Francisco from London, Ontario in the past 72 hours is $240. The best round-trip flight deal from London, Ontario to San Francisco found on momondo in the last 72 hours is $466.

The fastest flight from London, Ontario to San Francisco takes 8h 40m

There are no direct flights from London, Ontario to San Francisco. There are no popular flight routes from London, Ontario to San Francisco.

Search flight deals

Frequently asked questions about flying from London, Ontario to San Francisco

How far is London to San Francisco by plane?
The distance between London and San Francisco is about 2172.7 mi. Typically, this will take 8h 40m by plane in normal conditions.
When did momondo last update prices for flights from London Airport to San Francisco Airport?
Prices for flights from London Airport to San Francisco Airport are updated daily.
How old do you have to be to fly from London Airport 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 London Airport to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Santa Cruz

Carmel-by-the-Sea

Modesto

South San Francisco

Hayward

Santa Clara

Walnut Creek

Bodega Bay

Fremont

Berkeley

Sunnyvale

Half Moon Bay

Vallejo

Roseville

Salinas

Sonoma

Milpitas

Palo Alto

Daly City

Pacific Grove

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Francisco from London.

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

All flight searches from London to San Francisco on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential London to San Francisco flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes. momondo can track prices for London to San Francisco flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your San Francisco trip

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Cheap flights from London, Ontario to San Francisco from $240

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London, Ontario to San Francisco departing on 12/10. 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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Big names and deals

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Delta flights from London, Ontario to San Francisco

Our best Delta deals on London, Ontario to San Francisco flight tickets

United Airlines flights from London, Ontario to San Francisco

Our best United Airlines deals on London, Ontario to San Francisco flight tickets

momondo Fare Finder

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

See travel insights to San Francisco from

How to get the cheapest flight ticket from London, Ontario to San Francisco

What is the cheapest month to fly to San Francisco?

Can stopping save me money on London, Ontario to San Francisco flights?

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

What airlines fly to San Francisco?

When to book flights from London, Ontario to San Francisco

Cheap London, Ontario to San Francisco (YXU to SFO) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from London, Ontario to San Francisco

Traveling to a place near San Francisco?

Why use momondo?

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

Fly your favorite airline to San Francisco

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

Cabin classes currently available on flights to San Francisco

List of cabin classes available on flights landing in San Francisco. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

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