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

United Airlines, SWISS, and Austrian Airlines are the most popular carriers operating from London Heathrow to California

What airlines fly to California?

British Airways, United Airlines and American Airlines are the top three most popular airlines that fly to California from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 50% of people opting to fly with this airline when traveling to California. Keep in mind that there are 15 different airlines that fly to California on a routine basis, so you have a few additional options to choose from.

How many operators does momondo search for flights from London Heathrow Airport to California?

There are 15 operators available for flights from London Heathrow Airport to California as of March 2026.

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

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 Heathrow Airport to California.

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

The required travel and health documents for your California trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at California. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$372 Cheap Flights from London Heathrow Airport to California in 2026

Q: How many flights depart from London Heathrow Airport to California on average per week?

The number of flights available between London Heathrow Airport and California is 630 per week as of March 2026. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.

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Find the cheapest flights from London Heathrow Airport to California

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:00 am - 8:20 pm

LHR

LAX

18h 20m

1 stop

8:15 am - 9:00 am

LAX

LHR

16h 45m

1 stop

$490United Airlines

週一, 4月 6 - 週二, 4月 21

9:30 am - 7:59 pm

LHR

LAX

18h 29m

1 stop

7:30 am - 8:35 am

LAX

LHR

17h 05m

1 stop

$494Air Canada

週日, 5月 3 - 週二, 6月 30

11:40 am - 2:50 pm

LHR

LAX

11h 10mnonstop

8:55 pm - 3:25 pm

LAX

LHR

10h 30mnonstop

$500British Airways

週四, 4月 30 - 週五, 5月 8

3:05 pm - 11:06 pm

LHR

SFO

16h 01m

1 stop

11:10 am - 10:00 am

SFO

LHR

14h 50m

1 stop

$500Air Canada

週三, 6月 17 - 週三, 7月 1

10:45 am - 1:50 pm

LHR

SFO

11h 05mnonstop

4:35 pm - 11:00 am

SFO

LHR

10h 25mnonstop

$507British Airways

週一, 4月 20 - 週日, 4月 26

6:55 pm - 4:21 pm

LHR

LGB

29h 26m

2 stops

12:59 pm - 6:20 am

LGB

LHR

33h 21m

2 stops

$637Virgin Atlantic

週一, 8月 3 - 週三, 8月 12

6:55 pm - 9:45 pm

LHR

LGB

34h 50m

2 stops

12:59 pm - 6:20 am

LGB

LHR

33h 21m

2 stops

$638Virgin Atlantic

週一, 8月 3 - 週五, 8月 14

8:55 am - 10:10 am

LHR

SJC

33h 15m

1 stop

6:00 am - 10:15 am

SJC

LHR

20h 15m

2 stops

$655American Airlines

週二, 4月 14 - 週三, 4月 22

6:15 am - 9:45 pm

LHR

LGB

23h 30m

2 stops

7:10 am - 5:30 pm

LGB

LHR

26h 20m

2 stops

$655Delta

週五, 7月 10 - 週一, 7月 20

6:15 am - 9:45 pm

LHR

LGB

23h 30m

2 stops

5:05 pm - 5:35 pm

LGB

LHR

16h 30m

2 stops

$657Delta

週五, 7月 10 - 週二, 7月 21

United Airlines flights from London Heathrow Airport to California

Our best United Airlines deals on London Heathrow Airport to California flight tickets

United Airlines

Apr 6

LHR10:00 amLondon Heathrow

18h 20m

1 stop

LAX8:20 pmLos Angeles Los Angeles

Apr 21

LAX8:15 amLos Angeles Los Angeles

16h 45m

1 stop

LHR9:00 amLondon Heathrow

$490

United Airlines

Jun 23

LHR8:00 amLondon Heathrow

18h 20m

1 stop

LAX6:20 pmLos Angeles Los Angeles

Jul 6

LAX6:00 amLos Angeles Los Angeles

15h 55m

1 stop

LHR5:55 amLondon Heathrow

$502

United Airlines

Aug 23

LHR11:25 amLondon Heathrow

14h 06m

1 stop

SFO5:31 pmSan Francisco

Sep 13

SFO7:55 pmSan Francisco

10h 15m

LHR2:10 pmLondon Heathrow

$526

Finnair flights from London Heathrow Airport to California

Our best Finnair deals on London Heathrow Airport to California flight tickets

Finnair

Jun 10

LHR10:20 amLondon Heathrow

14h 50m

1 stop

LAX5:10 pmLos Angeles Los Angeles

Jun 24

LAX6:50 pmLos Angeles Los Angeles

17h 50m

1 stop

LHR8:40 pmLondon Heathrow

$521

Finnair

Apr 24

LHR5:00 pmLondon Heathrow

11h 20m

LAX8:20 pmLos Angeles Los Angeles

May 5

LAX6:00 pmLos Angeles Los Angeles

10h 45m

LHR12:45 pmLondon Heathrow

$561

Finnair

Apr 22

LHR8:20 amLondon Heathrow

11h 10m

LAX11:30 amLos Angeles Los Angeles

Apr 26

LAX6:00 pmLos Angeles Los Angeles

10h 45m

LHR12:45 pmLondon Heathrow

$564

momondo Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

週一 4/6

10:00 am-8:20 pm

1 stop18h 20m

Los Angeles Los Angeles

週二 4/21

8:15 am-9:00 am

1 stop16h 45m

$490

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

週日 5/3

9:30 am-7:59 pm

1 stop18h 29m

Los Angeles Los Angeles

週二 6/30

7:30 am-8:35 am

1 stop17h 05m

$494

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

週四 4/30

11:40 am-2:50 pm

Nonstop11h 10m

Los Angeles Los Angeles

週五 5/8

8:55 pm-3:25 pm

Nonstop10h 30m

$500

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

週三 6/17

3:05 pm-11:06 pm

1 stop16h 01m

San Francisco

週三 7/1

11:10 am-10:00 am

1 stop14h 50m

$500

Quickest round-trip

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

週一 4/20

10:45 am-1:50 pm

Nonstop11h 05m

San Francisco

週日 4/26

4:35 pm-11:00 am

Nonstop10h 25m

$507

LondonLong Beach

LHR - LGB

LHRLGB

London Heathrow

週一 8/3

6:55 pm-4:21 pm

2 stops29h 26m

Long Beach Municipal

週三 8/12

12:59 pm-6:20 am

2 stops33h 21m

$637

LondonLong Beach

LHR - LGB

LHRLGB

London Heathrow

週一 8/3

6:55 pm-9:45 pm

2 stops34h 50m

Long Beach Municipal

週五 8/14

12:59 pm-6:20 am

2 stops33h 21m

$638

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

週二 4/14

8:55 am-10:10 am

1 stop33h 15m

San Jose

週三 4/22

6:00 am-10:15 am

2 stops20h 15m

$655

LondonLong Beach

LHR - LGB

LHRLGB

London Heathrow

週五 7/10

6:15 am-9:45 pm

2 stops23h 30m

Long Beach Municipal

週一 7/20

7:10 am-5:30 pm

2 stops26h 20m

$655

LondonLong Beach

LHR - LGB

LHRLGB

London Heathrow

週五 7/10

6:15 am-9:45 pm

2 stops23h 30m

Long Beach Municipal

週二 7/21

5:05 pm-5:35 pm

2 stops16h 30m

$657

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 Heathrow Airport 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

Other information

What is the cheapest month to fly to California?

The month of February is another great option to travel to California, with average flight prices from London Heathrow Airport averaging around $548.

What is the cheapest day to depart on your flight to California?

The cheapest day to depart from London Heathrow Airport to California is on a Friday. Travelers who choose to depart for California on a Friday will often find tickets for as low as $663. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to California on Monday is $757.

What is the cheapest time of day to depart on your flight to California?

The cheapest time of day to fly to California is at noon when flights can be purchased for as low as $677. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $700 on average. Flights to California from London Heathrow Airport in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest London Heathrow to California flight route?

Fly from London Heathrow to San Francisco for the best London Heathrow - California flight prices

How far in advance should I book a flight to California?

You are more likely to see cheaper flights to California from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to California for around $643 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to California from London Heathrow Airport for as low as $587 on momondo.

What cabin class options are available on London Heathrow to California flights?

There are 4 cabin classes available to choose from on London Heathrow to California flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London Heathrow Airport to California flights?

You could potentially save up to 3% on your flight if you consider stops on a London Heathrow Airport to California flight.

Cheap London Heathrow Airport to California flight deals and tips

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

Best Price Found	$565
Fastest flight time	10h 40m
Direct flights	Every day
Airports in California	418 airports

The best one-way flight to California from London Heathrow Airport in the past 72 hours is $565. The best round-trip flight deal from London Heathrow Airport to California found on momondo in the last 72 hours is $539.

The fastest flight from London Heathrow Airport to California takes 10h 40m

Direct flights go from London Heathrow Airport to California every day.

There are 418 airports in California. From London Heathrow Airport there are direct flights to Las Vegas Harry Reid Intl (LAS).

Search flight deals

When did momondo last update prices for flights from London Heathrow Airport to California?
Prices for flights from London Heathrow Airport to California refresh daily.
How many operators does momondo search for flights from London Heathrow Airport to California?
There are 15 operators available for flights from London Heathrow Airport to California as of March 2026.
How old do you have to be to fly from London Heathrow Airport to California?
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 Heathrow Airport to California.
What documentation or ID do you need to fly to California?
The required travel and health documents for your California trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at California. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from London Heathrow Airport to California?
momondo data reveals that the most frequently booked plane model on the route from London Heathrow Airport to California is Boeing 787-9 Dreamliner, representing 26.26% of all bookings. The subsequent popular models are Airbus A350-1000 at 14.82%, Boeing 777-300ER at 14.04%, and Airbus A380-800 at 12.35%.

Best airlines flying from London Heathrow Airport to California

Compare and see reviews for airlines that fly from London Heathrow Airport to California with momondo

Airline	Rating	Free Cancellation	Price
Air France	PriceFrom $348	Free Cancellation	Rating 7.4 1,546 reviews	Search Air France flights
Delta	PriceFrom $396	Free Cancellation	Rating 7.9 8,287 reviews	Search Delta flights
Aer Lingus	PriceFrom $416	Free Cancellation	Rating 7.2 1,477 reviews	Search Aer Lingus flights
TAP AIR PORTUGAL	PriceFrom $449	Free Cancellation	Rating 7.1 2,170 reviews	Search TAP AIR PORTUGAL flights
Lufthansa	PriceFrom $468	Free Cancellation	Rating 6.8 7,858 reviews	Search Lufthansa flights
Finnair	PriceFrom $487	Free Cancellation	Rating 7.6 1,373 reviews	Search Finnair flights
United Airlines	PriceFrom $494	Free Cancellation	Rating 7.4 9,437 reviews	Search United Airlines flights
KLM	PriceFrom $494	Free Cancellation	Rating 7.8 1,473 reviews	Search KLM flights
Iberia	PriceFrom $495	Free Cancellation	Rating 7.0 3,138 reviews	Search Iberia flights
British Airways	PriceFrom $510	Free Cancellation	Rating 6.7 7,799 reviews	Search British Airways flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to California. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to California from London with this policy.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to California.

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.

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Popular cities in California

Flights to New Yorkfrom $59

Flights to Los Angelesfrom $51

Flights to Orlandofrom $44

Flights to Miamifrom $54

Flights to Chicagofrom $56

Flights to San Franciscofrom $76

Flights to Las Vegasfrom $23

Flights to Washington, D.C.from $56

Flights to Bostonfrom $72

Flights to Atlantafrom $49

Flights to Dallasfrom $60

Flights to Seattlefrom $71

Cheap flights from London Heathrow Airport to California from $372

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Find the cheapest flights from London Heathrow Airport to California

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United Airlines flights from London Heathrow Airport to California

Our best United Airlines deals on London Heathrow Airport to California flight tickets

Finnair flights from London Heathrow Airport to California

Our best Finnair deals on London Heathrow Airport to California flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to California that are best for you.

See travel insights to California from

How to get the cheapest flight ticket from London Heathrow Airport to California

What is the cheapest month to fly to California?

What is the cheapest day to depart on your flight to California?

What is the cheapest time of day to depart on your flight to California?

What is the cheapest London Heathrow to California flight route?

How far in advance should I book a flight to California?

What cabin class options are available on London Heathrow to California flights?

Can stopping save me money on London Heathrow Airport to California flights?

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

What airlines fly to California?

How many flights depart from London Heathrow Airport to California on average per day?

How many flights depart from London Heathrow Airport to California on average per week?

Cheap London Heathrow Airport to California flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in California

Best airlines flying from London Heathrow Airport to California

Compare and see reviews for airlines that fly from London Heathrow Airport to California with momondo

Why use momondo?

An easier way to manage your California 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 California

Popular cities in California

Popular flights according to clicks in the last 7 days on momondo

London Heathrow Airport flight routes

According to popular flight searches on momondo this year

California flight routes

According to popular flight searches on momondo this year

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