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

Air Canada, 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 49% 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.

$184 Cheap Flights from London 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.

5:10 am - 10:55 am

YXU

SFO

8h 45m

1 stop

8:05 am - 9:38 pm

SFO

YXU

10h 33m

2 stops

$344Air Canada

Tue, Apr 14 - Sat, May 2

5:10 am - 12:30 pm

YXU

SFO

10h 20m

2 stops

8:05 am - 9:38 pm

SFO

YXU

10h 33m

2 stops

$350Air Canada

Tue, Apr 14 - Sat, May 2

9:25 am - 9:22 pm

YXU

SFO

14h 57m

2 stops

8:05 am - 9:38 pm

SFO

YXU

10h 33m

2 stops

$353Air Canada

Wed, Apr 15 - Sat, May 2

5:10 am - 10:55 am

YXU

SFO

8h 45m

1 stop

2:30 pm - 8:44 am

SFO

YXU

15h 14m

1 stop

$360Air Canada

Tue, Apr 14 - Tue, Apr 28

6:10 am - 12:00 pm

YXU

SFO

8h 50m

1 stop

6:00 am - 4:45 pm

SFO

YXU

7h 45m

1 stop

$368WestJet

Fri, May 29 - Sat, May 30

8:00 am - 12:05 pm

YXU

SFO

31h 05m

1 stop

6:00 am - 4:45 pm

SFO

YXU

7h 45m

1 stop

$376WestJet

Tue, Apr 14 - Tue, May 5

6:10 am - 12:20 pm

YXU

PSP

9h 10m

1 stop

1:00 pm - 5:20 am

PSP

YXU

13h 20m

2 stops

$463WestJet

Fri, May 8 - Tue, May 12

9:30 am - 9:23 pm

YXU

PSP

14h 53m

2 stops

4:13 pm - 5:33 pm

PSP

YXU

22h 20m

3 stops

$469United Airlines

Fri, May 8 - Tue, May 12

9:30 am - 3:35 pm

YXU

LAX

9h 05m

1 stop

12:15 am - 9:38 pm

LAX

YXU

18h 23m

2 stops

$469United Airlines

Tue, May 5 - Mon, May 11

6:10 pm - 12:02 pm

YXU

PSP

20h 52m

2 stops

7:35 pm - 9:38 pm

PSP

YXU

23h 03m

3 stops

$470United Airlines

Fri, May 8 - Tue, May 12

Air Canada flights from London, Ontario to California

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

Air Canada

Apr 14

YXU5:10 amLondon

8h 45m

1 stop

SFO10:55 amSan Francisco

May 5

SFO8:05 amSan Francisco

10h 33m

2 stops

YXU9:38 pmLondon

$344

Air Canada

Apr 14

YXU5:10 amLondon

10h 20m

2 stops

SFO12:30 pmSan Francisco

May 5

SFO8:05 amSan Francisco

10h 33m

2 stops

YXU9:38 pmLondon

$350

Air Canada

Apr 15

YXU9:25 amLondon

14h 57m

2 stops

SFO9:22 pmSan Francisco

May 5

SFO8:05 amSan Francisco

10h 33m

2 stops

YXU9:38 pmLondon

$353

United Airlines flights from London, Ontario to California

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

United Airlines

Apr 17

YXU5:10 amLondon

8h 45m

1 stop

SFO10:55 amSan Francisco

May 5

SFO12:45 amSan Francisco

17h 53m

2 stops

YXU9:38 pmLondon

$408

United Airlines

Apr 16

YXU9:25 amLondon

18h 14m

2 stops

SFO12:39 amSan Francisco

May 5

SFO12:45 amSan Francisco

17h 53m

2 stops

YXU9:38 pmLondon

$413

United Airlines

Apr 17

YXU5:10 amLondon

8h 45m

1 stop

SFO10:55 amSan Francisco

Apr 24

SFO10:50 pmSan Francisco

19h 29m

2 stops

YXU9:19 pmLondon

$444

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 - SFO

YXUSFO

London

Tue 4/14

5:10 am-10:55 am

1 stop8h 45m

San Francisco

Sat 5/2

8:05 am-9:38 pm

2 stops10h 33m

$344

LondonSan Francisco

YXU - SFO

YXUSFO

London

Tue 4/14

5:10 am-12:30 pm

2 stops10h 20m

San Francisco

Sat 5/2

8:05 am-9:38 pm

2 stops10h 33m

$350

LondonSan Francisco

YXU - SFO

YXUSFO

London

Wed 4/15

9:25 am-9:22 pm

2 stops14h 57m

San Francisco

Sat 5/2

8:05 am-9:38 pm

2 stops10h 33m

$353

LondonSan Francisco

YXU - SFO

YXUSFO

London

Tue 4/14

5:10 am-10:55 am

1 stop8h 45m

San Francisco

Tue 4/28

2:30 pm-8:44 am

1 stop15h 14m

$360

Quickest round-trip

LondonSan Francisco

YXU - SFO

YXUSFO

London

Fri 5/29

6:10 am-12:00 pm

1 stop8h 50m

San Francisco

Sat 5/30

6:00 am-4:45 pm

1 stop7h 45m

$368

LondonSan Francisco

YXU - SFO

YXUSFO

London

Tue 4/14

8:00 am-12:05 pm

1 stop31h 05m

San Francisco

Tue 5/5

6:00 am-4:45 pm

1 stop7h 45m

$376

LondonPalm Springs

YXU - PSP

YXUPSP

London

Fri 5/8

6:10 am-12:20 pm

1 stop9h 10m

Palm Springs

Tue 5/12

1:00 pm-5:20 am

2 stops13h 20m

$463

LondonPalm Springs

YXU - PSP

YXUPSP

London

Fri 5/8

9:30 am-9:23 pm

2 stops14h 53m

Palm Springs

Tue 5/12

4:13 pm-5:33 pm

3 stops22h 20m

$469

LondonLos Angeles

YXU - LAX

YXULAX

London

Tue 5/5

9:30 am-3:35 pm

1 stop9h 05m

Los Angeles Los Angeles

Mon 5/11

12:15 am-9:38 pm

2 stops18h 23m

$469

LondonPalm Springs

YXU - PSP

YXUPSP

London

Fri 5/8

6:10 pm-12:02 pm

2 stops20h 52m

Palm Springs

Tue 5/12

7:35 pm-9:38 pm

3 stops23h 03m

$470

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 $251.

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	8h 45m
Direct flights	None

The fastest flight from London, Ontario to California takes 8h 45m

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

Search flight deals

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.