What is the cheapest airline that flies from London to California?

WestJet, Air Canada, and United Airlines are the most popular carriers operating from London to California

What airlines fly to California?

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to California from London, Ontario according to our data. Air Canada is the first choice among our users, with 45% of people opting to fly with this airline when traveling to California. Keep in mind that there are 7 different airlines that fly to California on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from London Airport to California were last updated today.

How old do you have to be to fly from London Airport to California?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Airport to California.

What documentation or ID do you need to fly to California?

The travel and health documents required for your trip to California 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 California. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$177 Cheap Flights from London, Ontario to California in 2026

Find the cheapest flights from London, Ontario to California

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:10 am - 12:00 pmYXU London-SFO San Francisco

8h 50m1 stop Calgary

6:05 pm - 5:20 amSFO San Francisco-YXU London

8h 15m1 stop Calgary

$321WestJet

Fri, Sep 11 - Wed, Sep 16

6:10 am - 12:00 pmYXU London-SFO San Francisco

8h 50m1 stop Calgary

6:05 pm - 5:20 amSFO San Francisco-YXU London

8h 15m1 stop Calgary

$328WestJet

Fri, Sep 11 - Wed, Sep 16

5:55 pm - 9:55 pmYXU London-SFO San Francisco

31h 00m1 stop Calgary

6:00 am - 4:45 pmSFO San Francisco-YXU London

7h 45m1 stop Calgary

$351WestJet

Sun, Sep 20 - Sun, Sep 27

6:10 am - 4:00 pmYXU London-LAX Los Angeles Los Angeles

12h 50m2 stops Calgary Edmonton

6:05 pm - 5:20 amLAX Los Angeles Los Angeles-YXU London

8h 15m1 stop Calgary

$357WestJet

Wed, Sep 23 - Tue, Sep 29

6:10 am - 12:25 pmYXU London-LAX Los Angeles Los Angeles

9h 15m1 stop Calgary

6:05 pm - 5:20 amLAX Los Angeles Los Angeles-YXU London

8h 15m1 stop Calgary

$359WestJet

Wed, Sep 23 - Tue, Sep 29

6:10 am - 5:10 pmYXU London-LAX Los Angeles Los Angeles

14h 00m1 stop Calgary

6:05 pm - 5:20 amLAX Los Angeles Los Angeles-YXU London

8h 15m1 stop Calgary

$372WestJet

Fri, Oct 16 - Mon, Oct 19

6:20 pm - 10:22 pmYXU London-LAS Las Vegas Harry Reid Intl

7h 02m1 stop Toronto Pearson Intl

11:25 pm - 9:20 amLAS Las Vegas Harry Reid Intl-YXU London

6h 55m1 stop Toronto Pearson Intl

$376Air Canada

Fri, Sep 25 - Tue, Sep 29

6:20 pm - 10:22 pmYXU London-LAS Las Vegas Harry Reid Intl

7h 02m1 stop Toronto Pearson Intl

11:25 pm - 2:50 pmLAS Las Vegas Harry Reid Intl-YXU London

12h 25m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

$379Air Canada

Fri, Sep 25 - Tue, Sep 29

6:10 am - 4:00 pmYXU London-LAX Los Angeles Los Angeles

12h 50m2 stops Calgary Edmonton

6:05 pm - 5:20 amLAX Los Angeles Los Angeles-YXU London

8h 15m1 stop Calgary

$385WestJet

Fri, Oct 16 - Mon, Oct 19

2:40 pm - 9:40 pmYXU London-LAS Las Vegas Harry Reid Intl

10h 00m2 stops Winnipeg Calgary

6:10 pm - 5:20 amLAS Las Vegas Harry Reid Intl-YXU London

8h 10m1 stop Calgary

$386WestJet

Fri, Aug 28 - Tue, Sep 1

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WestJet flights from London, Ontario to California

Our best WestJet deals on London, Ontario to California flight tickets

WestJet

Sep 11

YXU6:10 amLondon

8h 50m

1 stop

SFO12:00 pmSan Francisco

Sep 16

SFO6:05 pmSan Francisco

8h 15m

1 stop

YXU5:20 amLondon

$321

WestJet

Sep 11

YXU6:10 amLondon

8h 50m

1 stop

SFO12:00 pmSan Francisco

Sep 16

SFO6:05 pmSan Francisco

8h 15m

1 stop

YXU5:20 amLondon

$328

WestJet

Sep 20

YXU5:55 pmLondon

31h 00m

1 stop

SFO9:55 pmSan Francisco

Sep 27

SFO6:00 amSan Francisco

7h 45m

1 stop

YXU4:45 pmLondon

$351

Air Canada flights from London, Ontario to California

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

Air Canada

Sep 25

YXU6:20 pmLondon

7h 02m

1 stop

LAS10:22 pmLas Vegas Harry Reid Intl

Sep 29

LAS11:25 pmLas Vegas Harry Reid Intl

6h 55m

1 stop

YXU9:20 amLondon

$376

Air Canada

Sep 25

YXU6:20 pmLondon

7h 02m

1 stop

LAS10:22 pmLas Vegas Harry Reid Intl

Sep 29

LAS11:25 pmLas Vegas Harry Reid Intl

12h 25m

2 stops

YXU2:50 pmLondon

$379

Air Canada

Oct 19

YXU6:20 pmLondon

7h 02m

1 stop

LAS10:22 pmLas Vegas Harry Reid Intl

Oct 24

LAS11:30 pmLas Vegas Harry Reid Intl

12h 17m

1 stop

YXU2:47 pmLondon

$395

momondo Fare Finder

Use the filters below to find and compare flights from London, Ontario to California 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

Fri 9/11

6:10 am-12:00 pm

1 stop8h 50m

San Francisco

Wed 9/16

6:05 pm-5:20 am

1 stop8h 15m

$321

LondonSan Francisco

YXU London - SFO San Francisco

YXUSFO

London

Fri 9/11

6:10 am-12:00 pm

1 stop8h 50m

San Francisco

Wed 9/16

6:05 pm-5:20 am

1 stop8h 15m

$328

LondonSan Francisco

YXU London - SFO San Francisco

YXUSFO

London

Sun 9/20

5:55 pm-9:55 pm

1 stop31h 00m

San Francisco

Sun 9/27

6:00 am-4:45 pm

1 stop7h 45m

$351

LondonLos Angeles

YXU London - LAX Los Angeles Los Angeles

YXULAX

London

Wed 9/23

6:10 am-4:00 pm

2 stops12h 50m

Los Angeles Los Angeles

Tue 9/29

6:05 pm-5:20 am

1 stop8h 15m

$357

LondonLos Angeles

YXU London - LAX Los Angeles Los Angeles

YXULAX

London

Wed 9/23

6:10 am-12:25 pm

1 stop9h 15m

Los Angeles Los Angeles

Tue 9/29

6:05 pm-5:20 am

1 stop8h 15m

$359

LondonLos Angeles

YXU London - LAX Los Angeles Los Angeles

YXULAX

London

Fri 10/16

6:10 am-5:10 pm

1 stop14h 00m

Los Angeles Los Angeles

Mon 10/19

6:05 pm-5:20 am

1 stop8h 15m

$372

Quickest round-trip

LondonLas Vegas

YXU London - LAS Las Vegas Harry Reid Intl

YXULAS

London

Fri 9/25

6:20 pm-10:22 pm

1 stop7h 02m

Las Vegas Harry Reid Intl

Tue 9/29

11:25 pm-9:20 am

1 stop6h 55m

$376

LondonLas Vegas

YXU London - LAS Las Vegas Harry Reid Intl

YXULAS

London

Fri 9/25

6:20 pm-10:22 pm

1 stop7h 02m

Las Vegas Harry Reid Intl

Tue 9/29

11:25 pm-2:50 pm

2 stops12h 25m

$379

LondonLos Angeles

YXU London - LAX Los Angeles Los Angeles

YXULAX

London

Fri 10/16

6:10 am-4:00 pm

2 stops12h 50m

Los Angeles Los Angeles

Mon 10/19

6:05 pm-5:20 am

1 stop8h 15m

$385

LondonLas Vegas

YXU London - LAS Las Vegas Harry Reid Intl

YXULAS

London

Fri 8/28

2:40 pm-9:40 pm

2 stops10h 00m

Las Vegas Harry Reid Intl

Tue 9/1

6:10 pm-5:20 am

1 stop8h 10m

$386

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 California

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 California?

The month of July is another great option to travel to California, with average flight prices from London, Ontario averaging around $388.

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

You could potentially save up to 17% on your flight if you consider stops on a London, Ontario to California flight.

Cheap London, Ontario to California flight deals and tips

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

Fastest flight time	8h 37m
Direct flights	None

The fastest flight from London, Ontario to California takes 8h 37m

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

Search flight deals

Frequently asked questions about flying from London, Ontario to California

When did momondo last update prices for flights from London Airport to California?
Prices for flights from London Airport to California were last updated today.
How old do you have to be to fly from London Airport to California?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Airport to California.
What documentation or ID do you need to fly to California?
The travel and health documents required for your trip to California 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 California. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

It is quick and easy to find London to California flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to California that suits you.

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

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

How can momondo help me find flights from London to California?

momondo helps you find the best flight between London and California 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 London to California right now. Can momondo alert me if prices change?

Price alerts on flights to California from London 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.