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 39% 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?

Air Canada and United Airlines 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.

$169 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.

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

9h 05m1 stop Toronto Pearson Intl

12:00 pm - 8:37 amSFO San Francisco-YXU London

17h 37m1 stop Toronto Pearson Intl

$306Air Canada

Sat, Oct 31 - Thu, Nov 5

5:30 am - 11:10 amYXU London-SFO San Francisco

8h 40m1 stop Toronto Pearson Intl

6:30 am - 9:57 pmSFO San Francisco-YXU London

12h 27m2 stops Vancouver Intl Toronto Pearson Intl

$336Air Canada

Fri, Nov 6 - Sat, Nov 14

9:15 am - 3:40 pmYXU London-SFO San Francisco

9h 25m1 stop Toronto Pearson Intl

6:30 am - 9:57 pmSFO San Francisco-YXU London

12h 27m2 stops Vancouver Intl Toronto Pearson Intl

$336Air Canada

Thu, Nov 5 - Sat, Nov 14

9:15 am - 3:40 pmYXU London-SFO San Francisco

9h 25m1 stop Toronto Pearson Intl

6:30 am - 9:57 pmSFO San Francisco-YXU London

12h 27m2 stops Vancouver Intl Toronto Pearson Intl

$336Air Canada

Wed, Nov 4 - Tue, Nov 17

5:30 am - 11:10 amYXU London-SFO San Francisco

8h 40m1 stop Toronto Pearson Intl

6:30 am - 9:57 pmSFO San Francisco-YXU London

12h 27m2 stops Vancouver Intl Toronto Pearson Intl

$336Air Canada

Thu, Nov 5 - Mon, Nov 16

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

9h 05m1 stop Toronto Pearson Intl

6:30 am - 9:57 pmSFO San Francisco-YXU London

12h 27m2 stops Vancouver Intl Toronto Pearson Intl

$336Air Canada

Tue, Nov 10 - Fri, Nov 13

9:15 am - 3:40 pmYXU London-SFO San Francisco

9h 25m1 stop Toronto Pearson Intl

6:30 am - 9:57 pmSFO San Francisco-YXU London

12h 27m2 stops Vancouver Intl Toronto Pearson Intl

$336Air Canada

Wed, Nov 4 - Sat, Nov 14

5:30 am - 11:10 amYXU London-SFO San Francisco

8h 40m1 stop Toronto Pearson Intl

6:30 am - 9:57 pmSFO San Francisco-YXU London

12h 27m2 stops Vancouver Intl Toronto Pearson Intl

$336Air Canada

Thu, Nov 5 - Tue, Nov 17

9:15 am - 3:40 pmYXU London-SFO San Francisco

9h 25m1 stop Toronto Pearson Intl

6:30 am - 9:57 pmSFO San Francisco-YXU London

12h 27m2 stops Vancouver Intl Toronto Pearson Intl

$336Air Canada

Sat, Nov 7 - Tue, Nov 17

5:30 am - 11:10 amYXU London-SFO San Francisco

8h 40m1 stop Toronto Pearson Intl

6:30 am - 9:57 pmSFO San Francisco-YXU London

12h 27m2 stops Vancouver Intl Toronto Pearson Intl

$336Air Canada

Sat, Nov 7 - Fri, Nov 13

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WestJet flights from London, Ontario to San Francisco

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

WestJet

Jan 14

YXU6:40 amLondon

12h 10m

1 stop

SFO3:50 pmSan Francisco

Jan 21

SFO4:40 pmSan Francisco

9h 55m

1 stop

YXU5:35 amLondon

$346

WestJet

Nov 9

YXU6:40 amLondon

12h 10m

1 stop

SFO3:50 pmSan Francisco

Nov 12

SFO4:40 pmSan Francisco

9h 55m

1 stop

YXU5:35 amLondon

$356

WestJet

Oct 2

YXU5:55 pmLondon

21h 05m

1 stop

SFO12:00 pmSan Francisco

Oct 6

SFO6:00 amSan Francisco

20h 20m

1 stop

YXU5:20 amLondon

$391

Air Canada flights from London, Ontario to San Francisco

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

Air Canada

Oct 31

YXU3:25 pmLondon

9h 05m

1 stop

SFO9:30 pmSan Francisco

Nov 5

SFO12:00 pmSan Francisco

17h 37m

1 stop

YXU8:37 amLondon

$306

Air Canada

Nov 4

YXU3:25 pmLondon

9h 05m

1 stop

SFO9:30 pmSan Francisco

Nov 16

SFO6:30 amSan Francisco

12h 27m

2 stops

YXU9:57 pmLondon

$336

Air Canada

Nov 4

YXU9:15 amLondon

15h 18m

2 stops

SFO9:33 pmSan Francisco

Nov 14

SFO6:30 amSan Francisco

12h 27m

2 stops

YXU9:57 pmLondon

$340

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

Sat 10/31

3:25 pm-9:30 pm

1 stop9h 05m

San Francisco

Thu 11/5

12:00 pm-8:37 am

1 stop17h 37m

$306

Quickest round-trip

LondonSan Francisco

YXU London - SFO San Francisco

YXUSFO

London

Fri 11/6

5:30 am-11:10 am

1 stop8h 40m

San Francisco

Sat 11/14

6:30 am-9:57 pm

2 stops12h 27m

$336

LondonSan Francisco

YXU London - SFO San Francisco

YXUSFO

London

Thu 11/5

9:15 am-3:40 pm

1 stop9h 25m

San Francisco

Sat 11/14

6:30 am-9:57 pm

2 stops12h 27m

$336

LondonSan Francisco

YXU London - SFO San Francisco

YXUSFO

London

Wed 11/4

9:15 am-3:40 pm

1 stop9h 25m

San Francisco

Tue 11/17

6:30 am-9:57 pm

2 stops12h 27m

$336

LondonSan Francisco

YXU London - SFO San Francisco

YXUSFO

London

Thu 11/5

5:30 am-11:10 am

1 stop8h 40m

San Francisco

Mon 11/16

6:30 am-9:57 pm

2 stops12h 27m

$336

LondonSan Francisco

YXU London - SFO San Francisco

YXUSFO

London

Tue 11/10

3:25 pm-9:30 pm

1 stop9h 05m

San Francisco

Fri 11/13

6:30 am-9:57 pm

2 stops12h 27m

$336

LondonSan Francisco

YXU London - SFO San Francisco

YXUSFO

London

Wed 11/4

9:15 am-3:40 pm

1 stop9h 25m

San Francisco

Sat 11/14

6:30 am-9:57 pm

2 stops12h 27m

$336

LondonSan Francisco

YXU London - SFO San Francisco

YXUSFO

London

Thu 11/5

5:30 am-11:10 am

1 stop8h 40m

San Francisco

Tue 11/17

6:30 am-9:57 pm

2 stops12h 27m

$336

LondonSan Francisco

YXU London - SFO San Francisco

YXUSFO

London

Sat 11/7

9:15 am-3:40 pm

1 stop9h 25m

San Francisco

Tue 11/17

6:30 am-9:57 pm

2 stops12h 27m

$336

LondonSan Francisco

YXU London - SFO San Francisco

YXUSFO

London

Sat 11/7

5:30 am-11:10 am

1 stop8h 40m

San Francisco

Fri 11/13

6:30 am-9:57 pm

2 stops12h 27m

$336

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 February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $302.

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

You could potentially save up to 32% 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	$169
Fastest flight time	9h 05m
Direct flights	None

The best one-way flight to San Francisco from London, Ontario in the past 72 hours is $169. The best round-trip flight deal from London, Ontario to San Francisco found on momondo in the last 72 hours is $306.

The fastest flight from London, Ontario to San Francisco takes 9h 05m

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 9h 05m 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

Bodega Bay

Hayward

Berkeley

Fremont

Santa Clara

Walnut Creek

Sunnyvale

Vallejo

Half Moon Bay

Roseville

Salinas

Sonoma

Daly City

Milpitas

Pacific Grove

Marina

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 $169

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 9/30. 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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WestJet flights from London, Ontario to San Francisco

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

Air Canada flights from London, Ontario to San Francisco

Our best Air Canada 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.

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