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

WestJet, United Airlines, and Delta 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.

$201 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 pm

YXU

SFO

8h 50m

1 stop

6:00 am - 4:45 pm

SFO

YXU

7h 45m

1 stop

$300WestJet

Wed, Aug 12 - Wed, Aug 19

8:40 pm - 9:55 pm

YXU

SFO

28h 15m

1 stop

6:05 pm - 5:20 am

SFO

YXU

8h 15m

1 stop

$303WestJet

Thu, Aug 6 - Thu, Aug 13

5:55 pm - 12:00 pm

YXU

SFO

21h 05m

1 stop

6:00 am - 1:50 pm

SFO

YXU

28h 50m

2 stops

$330WestJet

Thu, Aug 6 - Thu, Aug 13

3:25 pm - 8:04 pm

YXU

LAX

7h 39m

1 stop

7:20 am - 9:52 pm

LAX

YXU

11h 32m

2 stops

$340Air Canada

Sat, Oct 31 - Wed, Nov 4

9:15 am - 9:39 pm

YXU

LAX

15h 24m

2 stops

7:20 am - 9:52 pm

LAX

YXU

11h 32m

2 stops

$343Air Canada

Sat, Oct 31 - Wed, Nov 4

6:20 pm - 10:27 am

YXU

SNA

19h 07m

2 stops

9:00 pm - 2:55 pm

SNA

YXU

14h 55m

2 stops

$399United Airlines

Fri, Oct 2 - Mon, Oct 5

6:20 pm - 10:27 am

YXU

SNA

19h 07m

2 stops

9:00 pm - 2:55 pm

SNA

YXU

14h 55m

2 stops

$400United Airlines

Fri, Oct 2 - Mon, Oct 5

5:55 pm - 12:25 pm

YXU

LAX

21h 30m

1 stop

11:30 am - 5:20 am

LAX

YXU

14h 50m

2 stops

$438Multiple Airlines

Wed, Aug 12 - Wed, Aug 19

6:10 am - 2:10 pm

YXU

SAN

11h 00m

1 stop

4:08 pm - 5:20 am

SAN

YXU

10h 12m

2 stops

$542Delta

Mon, Sep 28 - Tue, Sep 29

6:10 am - 8:36 am

YXU

SAN

29h 26m

2 stops

7:59 pm - 5:20 am

SAN

YXU

30h 21m

2 stops

$545Multiple Airlines

Sun, Aug 16 - Sat, Aug 22

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Air Canada flights from London, Ontario to California

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

Air Canada

Oct 31

YXU3:25 pmLondon

7h 39m

1 stop

LAX8:04 pmLos Angeles Los Angeles

Nov 4

LAX7:20 amLos Angeles Los Angeles

11h 32m

2 stops

YXU9:52 pmLondon

$340

Air Canada

Oct 31

YXU9:15 amLondon

15h 24m

2 stops

LAX9:39 pmLos Angeles Los Angeles

Nov 4

LAX7:20 amLos Angeles Los Angeles

11h 32m

2 stops

YXU9:52 pmLondon

$343

Air Canada

Oct 30

YXU5:45 amLondon

7h 39m

1 stop

PSP10:24 amPalm Springs

Nov 3

PSP12:50 pmPalm Springs

17h 16m

2 stops

YXU9:06 amLondon

$361

WestJet flights from London, Ontario to California

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

WestJet

Aug 12

YXU6:10 amLondon

8h 50m

1 stop

SFO12:00 pmSan Francisco

Aug 19

SFO6:00 amSan Francisco

7h 45m

1 stop

YXU4:45 pmLondon

$300

WestJet

Aug 6

YXU8:40 pmLondon

28h 15m

1 stop

SFO9:55 pmSan Francisco

Aug 13

SFO6:05 pmSan Francisco

8h 15m

1 stop

YXU5:20 amLondon

$303

WestJet

Aug 6

YXU5:55 pmLondon

21h 05m

1 stop

SFO12:00 pmSan Francisco

Aug 13

SFO6:00 amSan Francisco

28h 50m

2 stops

YXU1:50 pmLondon

$330

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

Quickest round-trip

LondonSan Francisco

YXU - SFO

YXUSFO

London

Wed 8/12

6:10 am-12:00 pm

1 stop8h 50m

San Francisco

Wed 8/19

6:00 am-4:45 pm

1 stop7h 45m

$300

LondonSan Francisco

YXU - SFO

YXUSFO

London

Thu 8/6

8:40 pm-9:55 pm

1 stop28h 15m

San Francisco

Thu 8/13

6:05 pm-5:20 am

1 stop8h 15m

$303

LondonSan Francisco

YXU - SFO

YXUSFO

London

Thu 8/6

5:55 pm-12:00 pm

1 stop21h 05m

San Francisco

Thu 8/13

6:00 am-1:50 pm

2 stops28h 50m

$330

LondonLos Angeles

YXU - LAX

YXULAX

London

Sat 10/31

3:25 pm-8:04 pm

1 stop7h 39m

Los Angeles Los Angeles

Wed 11/4

7:20 am-9:52 pm

2 stops11h 32m

$340

LondonLos Angeles

YXU - LAX

YXULAX

London

Sat 10/31

9:15 am-9:39 pm

2 stops15h 24m

Los Angeles Los Angeles

Wed 11/4

7:20 am-9:52 pm

2 stops11h 32m

$343

LondonSanta Ana

YXU - SNA

YXUSNA

London

Fri 10/2

6:20 pm-10:27 am

2 stops19h 07m

Santa Ana J. Wayne/Orange Cnty

Mon 10/5

9:00 pm-2:55 pm

2 stops14h 55m

$399

LondonSanta Ana

YXU - SNA

YXUSNA

London

Fri 10/2

6:20 pm-10:27 am

2 stops19h 07m

Santa Ana J. Wayne/Orange Cnty

Mon 10/5

9:00 pm-2:55 pm

2 stops14h 55m

$400

LondonLos Angeles

YXU - LAX

YXULAX

London

Wed 8/12

5:55 pm-12:25 pm

1 stop21h 30m

Los Angeles Los Angeles

Wed 8/19

11:30 am-5:20 am

2 stops14h 50m

$438

LondonSan Diego

YXU - SAN

YXUSAN

London

Mon 9/28

6:10 am-2:10 pm

1 stop11h 00m

San Diego

Tue 9/29

4:08 pm-5:20 am

2 stops10h 12m

$542

LondonSan Diego

YXU - SAN

YXUSAN

London

Sun 8/16

6:10 am-8:36 am

2 stops29h 26m

San Diego

Sat 8/22

7:59 pm-5:20 am

2 stops30h 21m

$545

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 May is another great option to travel to California, with average flight prices from London, Ontario averaging around $214.

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

You could potentially save up to 19% 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	7h 39m
Direct flights	None

The fastest flight from London, Ontario to California takes 7h 39m

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.