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

SWISS, British Airways, and Aer Lingus 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 53% 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 May 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.

$479 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 804 per week as of May 2026. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.

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

As of May 2026, there are 114 flights per day flying from London Heathrow Airport to California. The most common time of day flights depart is 10:00AM, with 49% of flights taking off in the afternoon.

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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.

6:30 am - 2:45 pm

LHR

LAX

16h 15m

1 stop

8:30 pm - 5:30 pm

LAX

LHR

13h 00m

1 stop

$587Virgin Atlantic

Thu, Jun 4 - Fri, Jul 10

11:25 am - 9:14 pm

LHR

LAX

17h 49m

1 stop

11:15 pm - 9:25 pm

LAX

LHR

14h 10m

1 stop

$594United Airlines

Sat, Aug 15 - Mon, Sep 7

3:05 pm - 6:20 pm

LHR

LAX

11h 15mnonstop

8:55 pm - 3:25 pm

LAX

LHR

10h 30mnonstop

$597British Airways

Tue, Jun 16 - Wed, Jul 15

10:30 am - 1:50 pm

LHR

LAX

11h 20mnonstop

9:00 pm - 3:30 pm

LAX

LHR

10h 30mnonstop

$600British Airways

Wed, Jun 3 - Sat, Dec 19

7:25 am - 3:15 pm

LHR

LAX

15h 50m

1 stop

7:00 am - 7:15 am

LAX

LHR

16h 15m

1 stop

$602Lufthansa

Thu, Sep 3 - Sat, Sep 19

6:55 am - 3:15 pm

LHR

LAX

16h 20m

1 stop

7:00 am - 7:15 am

LAX

LHR

16h 15m

1 stop

$603Lufthansa

Sat, Sep 5 - Sat, Sep 12

5:45 pm - 12:06 am

LHR

SFO

14h 21m

1 stop

6:00 am - 6:25 am

SFO

LHR

16h 25m

1 stop

$628Delta

Mon, Jun 29 - Tue, Jul 14

5:45 pm - 12:06 am

LHR

SFO

14h 21m

1 stop

7:00 am - 8:50 am

SFO

LHR

17h 50m

1 stop

$635Delta

Thu, Jul 2 - Sun, Jul 12

4:10 pm - 9:44 pm

LHR

ONT

13h 34m

1 stop

10:29 am - 9:00 am

ONT

LHR

14h 31m

1 stop

$662American Airlines

Mon, Aug 3 - Wed, Aug 12

12:55 pm - 8:15 pm

LHR

BUR

15h 20m

1 stop

12:25 pm - 10:55 am

BUR

LHR

14h 30m

1 stop

$671American Airlines

Mon, Sep 14 - Mon, Sep 28

Lufthansa flights from London Heathrow Airport to California

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

Lufthansa

May 4

LHR6:55 amLondon Heathrow

16h 20m

1 stop

LAX3:15 pmLos Angeles

May 11

LAX3:30 pmLos Angeles

10h 40m

LHR10:10 amLondon Heathrow

$598

Lufthansa

Sep 3

LHR7:25 amLondon Heathrow

15h 50m

1 stop

LAX3:15 pmLos Angeles

Sep 19

LAX7:00 amLos Angeles

16h 15m

1 stop

LHR7:15 amLondon Heathrow

$602

Lufthansa

Sep 5

LHR6:55 amLondon Heathrow

16h 20m

1 stop

LAX3:15 pmLos Angeles

Sep 12

LAX7:00 amLos Angeles

16h 15m

1 stop

LHR7:15 amLondon Heathrow

$603

KLM flights from London Heathrow Airport to California

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

KLM

May 2

LHR8:40 amLondon Heathrow

14h 05m

1 stop

LAX2:45 pmLos Angeles

May 17

LAX11:15 pmLos Angeles

10h 20m

LHR5:35 pmLondon Heathrow

$621

KLM

May 9

LHR8:40 amLondon Heathrow

14h 05m

1 stop

LAX2:45 pmLos Angeles

May 15

LAX11:15 pmLos Angeles

10h 20m

LHR5:35 pmLondon Heathrow

$624

KLM

May 2

LHR8:40 amLondon Heathrow

14h 05m

1 stop

LAX2:45 pmLos Angeles

May 5

LAX8:35 pmLos Angeles

10h 25m

LHR3:00 pmLondon Heathrow

$626

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

Thu 6/4

6:30 am-2:45 pm

1 stop16h 15m

Los Angeles

Fri 7/10

8:30 pm-5:30 pm

1 stop13h 00m

$587

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 8/15

11:25 am-9:14 pm

1 stop17h 49m

Los Angeles

Mon 9/7

11:15 pm-9:25 pm

1 stop14h 10m

$594

Quickest round-trip

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 6/16

3:05 pm-6:20 pm

Nonstop11h 15m

Los Angeles

Wed 7/15

8:55 pm-3:25 pm

Nonstop10h 30m

$597

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 6/3

10:30 am-1:50 pm

Nonstop11h 20m

Los Angeles

Sat 12/19

9:00 pm-3:30 pm

Nonstop10h 30m

$600

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 9/3

7:25 am-3:15 pm

1 stop15h 50m

Los Angeles

Sat 9/19

7:00 am-7:15 am

1 stop16h 15m

$602

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 9/5

6:55 am-3:15 pm

1 stop16h 20m

Los Angeles

Sat 9/12

7:00 am-7:15 am

1 stop16h 15m

$603

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 6/29

5:45 pm-12:06 am

1 stop14h 21m

San Francisco

Tue 7/14

6:00 am-6:25 am

1 stop16h 25m

$628

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 7/2

5:45 pm-12:06 am

1 stop14h 21m

San Francisco

Sun 7/12

7:00 am-8:50 am

1 stop17h 50m

$635

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Mon 8/3

4:10 pm-9:44 pm

1 stop13h 34m

Ontario

Wed 8/12

10:29 am-9:00 am

1 stop14h 31m

$662

LondonBurbank

LHR - BUR

LHRBUR

London Heathrow

Mon 9/14

12:55 pm-8:15 pm

1 stop15h 20m

Burbank Bob Hope

Mon 9/28

12:25 pm-10:55 am

1 stop14h 30m

$671

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 September is another great option to travel to California, with average flight prices from London Heathrow Airport averaging around $569.

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 $669. 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 $745.

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 $667. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $710 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 from London Heathrow Airport 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 $652 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 $575 on momondo.

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	$630
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 $630. The best round-trip flight deal from London Heathrow Airport to California found on momondo in the last 72 hours is $723.

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

Frequently asked questions about flying from London Heathrow Airport to California

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 May 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 26.40% of all bookings. The subsequent popular models are Airbus A350-1000 at 19.30%, Airbus A380-800 at 12.96%, and Boeing 777 at 12.57%.

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 1,582 reviews	Search Air France flights
Delta	PriceFrom $396	Free Cancellation	Rating 7.9 8,468 reviews	Search Delta flights
Aer Lingus	PriceFrom $416	Free Cancellation	Rating 7.3 1,540 reviews	Search Aer Lingus flights
TAP AIR PORTUGAL	PriceFrom $449	Free Cancellation	Rating 7.1 2,227 reviews	Search TAP AIR PORTUGAL flights
Lufthansa	PriceFrom $468	Free Cancellation	Rating 6.8 7,964 reviews	Search Lufthansa flights
Finnair	PriceFrom $487	Free Cancellation	Rating 7.6 1,392 reviews	Search Finnair flights
United Airlines	PriceFrom $494	Free Cancellation	Rating 7.4 9,677 reviews	Search United Airlines flights
KLM	PriceFrom $494	Free Cancellation	Rating 7.8 1,510 reviews	Search KLM flights
British Airways	PriceFrom $509	Free Cancellation	Rating 6.7 7,936 reviews	Search British Airways flights
Scandinavian Airlines	PriceFrom $520	Free Cancellation	Rating 7.4 1,767 reviews	Search Scandinavian Airlines 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 $58

Flights to Los Angelesfrom $56

Flights to Orlandofrom $51

Flights to Miamifrom $49

Flights to Chicagofrom $61

Flights to San Franciscofrom $62

Flights to Las Vegasfrom $54

Flights to Washington, D.C.from $55

Flights to Bostonfrom $80

Flights to Atlantafrom $48

Flights to Dallasfrom $73

Flights to Fort Lauderdalefrom $42

Cheap flights from London Heathrow Airport to California from $479

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Lufthansa flights from London Heathrow Airport to California

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KLM flights from London Heathrow Airport to California

Our best KLM 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 from London Heathrow Airport to California?

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

Frequently asked questions about flying from London Heathrow Airport to 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

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