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

WestJet, Air Canada, 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 47% 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.

$150 Cheap Flights from London, Ontario to California in 2026

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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 - 5:20 am

SFO

YXU

20h 20m

1 stop

$288WestJet

Thu, Oct 8 - Tue, Oct 13

6:10 am - 12:00 pm

YXU

SFO

8h 50m

1 stop

6:00 am - 5:20 am

SFO

YXU

20h 20m

1 stop

$289WestJet

Thu, Oct 8 - Tue, Oct 13

6:10 am - 12:00 pm

YXU

SFO

8h 50m

1 stop

6:00 am - 5:20 am

SFO

YXU

20h 20m

1 stop

$290WestJet

Thu, Oct 8 - Tue, Oct 13

5:40 am - 10:39 am

YXU

SFO

7h 59m

1 stop

11:35 am - 9:40 pm

SFO

YXU

7h 05m

1 stop

$319Air Canada

Wed, Oct 21 - Sat, Oct 24

5:40 am - 10:39 am

YXU

SFO

7h 59m

1 stop

8:10 am - 9:40 pm

SFO

YXU

10h 30m

2 stops

$323Air Canada

Wed, Oct 21 - Sat, Oct 24

6:10 am - 2:10 pm

YXU

SAN

11h 00m

1 stop

3:30 pm - 5:20 am

SAN

YXU

10h 50m

1 stop

$381Delta

Fri, Sep 11 - Tue, Sep 15

6:10 am - 12:25 pm

YXU

LAX

9h 15m

1 stop

6:05 pm - 5:20 am

LAX

YXU

8h 15m

1 stop

$384Delta

Thu, Sep 24 - Mon, Sep 28

6:20 pm - 9:56 am

YXU

SNA

18h 36m

2 stops

6:45 am - 9:40 pm

SNA

YXU

11h 55m

2 stops

$406United Airlines

Sat, Aug 22 - Wed, Aug 26

3:30 pm - 9:56 am

YXU

SNA

21h 26m

2 stops

6:45 am - 9:40 pm

SNA

YXU

11h 55m

2 stops

$407United Airlines

Sat, Aug 22 - Wed, Aug 26

5:10 am - 10:50 pm

YXU

ONT

20h 40m

2 stops

6:05 am - 9:38 pm

ONT

YXU

12h 33m

2 stops

$708Lufthansa

Sat, Jun 6 - Fri, Jun 12

Delta flights from London, Ontario to California

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

Delta

Sep 11

YXU6:10 amLondon

11h 00m

1 stop

SAN2:10 pmSan Diego

Sep 15

SAN3:30 pmSan Diego

10h 50m

1 stop

YXU5:20 amLondon

$381

Delta

Sep 24

YXU6:10 amLondon

9h 15m

1 stop

LAX12:25 pmLos Angeles

Sep 28

LAX6:05 pmLos Angeles

8h 15m

1 stop

YXU5:20 amLondon

$384

Delta

Oct 21

YXU6:10 amLondon

9h 45m

1 stop

LAS12:55 pmLas Vegas Harry Reid Intl

Oct 23

LAS6:10 pmLas Vegas Harry Reid Intl

8h 10m

1 stop

YXU5:20 amLondon

$453

Air Canada flights from London, Ontario to California

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

Air Canada

Oct 21

YXU5:40 amLondon

7h 59m

1 stop

SFO10:39 amSan Francisco

Oct 24

SFO11:35 amSan Francisco

7h 05m

1 stop

YXU9:40 pmLondon

$319

Air Canada

Oct 21

YXU5:40 amLondon

7h 59m

1 stop

SFO10:39 amSan Francisco

Oct 24

SFO8:10 amSan Francisco

10h 30m

2 stops

YXU9:40 pmLondon

$323

Air Canada

Oct 8

YXU5:40 amLondon

9h 54m

1 stop

SFO12:34 pmSan Francisco

Oct 13

SFO11:10 amSan Francisco

19h 10m

2 stops

YXU9:20 amLondon

$343

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonSan Francisco

YXU - SFO

YXUSFO

London

Thu 10/8

6:10 am-12:00 pm

1 stop8h 50m

San Francisco

Tue 10/13

6:00 am-5:20 am

1 stop20h 20m

$288

LondonSan Francisco

YXU - SFO

YXUSFO

London

Thu 10/8

6:10 am-12:00 pm

1 stop8h 50m

San Francisco

Tue 10/13

6:00 am-5:20 am

1 stop20h 20m

$289

LondonSan Francisco

YXU - SFO

YXUSFO

London

Thu 10/8

6:10 am-12:00 pm

1 stop8h 50m

San Francisco

Tue 10/13

6:00 am-5:20 am

1 stop20h 20m

$290

Quickest round-trip

LondonSan Francisco

YXU - SFO

YXUSFO

London

Wed 10/21

5:40 am-10:39 am

1 stop7h 59m

San Francisco

Sat 10/24

11:35 am-9:40 pm

1 stop7h 05m

$319

LondonSan Francisco

YXU - SFO

YXUSFO

London

Wed 10/21

5:40 am-10:39 am

1 stop7h 59m

San Francisco

Sat 10/24

8:10 am-9:40 pm

2 stops10h 30m

$323

LondonSan Diego

YXU - SAN

YXUSAN

London

Fri 9/11

6:10 am-2:10 pm

1 stop11h 00m

San Diego

Tue 9/15

3:30 pm-5:20 am

1 stop10h 50m

$381

LondonLos Angeles

YXU - LAX

YXULAX

London

Thu 9/24

6:10 am-12:25 pm

1 stop9h 15m

Los Angeles

Mon 9/28

6:05 pm-5:20 am

1 stop8h 15m

$384

LondonSanta Ana

YXU - SNA

YXUSNA

London

Sat 8/22

6:20 pm-9:56 am

2 stops18h 36m

Santa Ana J. Wayne/Orange Cnty

Wed 8/26

6:45 am-9:40 pm

2 stops11h 55m

$406

LondonSanta Ana

YXU - SNA

YXUSNA

London

Sat 8/22

3:30 pm-9:56 am

2 stops21h 26m

Santa Ana J. Wayne/Orange Cnty

Wed 8/26

6:45 am-9:40 pm

2 stops11h 55m

$407

LondonOntario

YXU - ONT

YXUONT

London

Sat 6/6

5:10 am-10:50 pm

2 stops20h 40m

Ontario

Fri 6/12

6:05 am-9:38 pm

2 stops12h 33m

$708

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 39% 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 50m
Direct flights	None

The fastest flight from London, Ontario to California takes 8h 50m

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.