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

Iberia, American Airlines, and TAP AIR PORTUGAL 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 51% of people opting to fly with this airline when traveling to California. Keep in mind that there are 12 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 12 operators available for flights from London Heathrow Airport to California as of September 2025.

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.

$336 Cheap Flights from London Heathrow Airport to California in 2025/26

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

As of September 2025, there are 112 flights per day flying from London Heathrow Airport to California. The most common time of day flights depart is 2:00PM, with 64% of flights taking off in the afternoon.

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 784 per week as of September 2025. The most frequent departure day is Sun, with 15% of weekly flights leaving on this day.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from London Heathrow Airport to California

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

9:50 am - 6:25 pmLHR-LAX

16h 35m1 stop

8:15 pm - 6:55 pmLAX-LHR

14h 40m1 stop

$475Aer Lingus

Find Deal

jue., oct. 9 - jue., oct. 16

8:55 pm - 11:50 amLHR-LAX

22h 55m1 stop

3:30 pm - 10:00 amLAX-LHR

10h 30mnonstop

$476Virgin Atlantic

Find Deal

lun., oct. 6 - mié., oct. 15

9:00 am - 4:35 pmLHR-LAX

15h 35m1 stop

12:50 pm - 11:50 amLAX-LHR

15h 00m1 stop

$490United Airlines

Find Deal

vie., ene. 23 - mar., feb. 24

9:00 am - 5:35 pmLHR-LAX

15h 35m1 stop

12:25 am - 5:55 amLAX-LHR

21h 30m1 stop

$491United Airlines

Find Deal

mar., oct. 28 - lun., nov. 3

10:05 am - 1:30 pmLHR-LAX

11h 25mnonstop

5:35 pm - 12:20 pmLAX-LHR

10h 45mnonstop

$505British Airways

Find Deal

jue., feb. 12 - jue., feb. 19

3:00 pm - 10:02 pmLHR-ONT

15h 02m1 stop

5:03 pm - 1:15 pmONT-LHR

12h 12m1 stop

$511British Airways

Find Deal

sáb., ene. 24 - mar., feb. 3

8:40 am - 2:50 pmLHR-LAX

14h 10m1 stop

3:30 pm - 10:00 amLAX-LHR

10h 30mnonstop

$518Delta

Find Deal

mié., oct. 1 - sáb., oct. 18

6:20 am - 1:10 pmLHR-LAX

14h 50m1 stop

4:35 pm - 10:55 amLAX-LHR

10h 20mnonstop

$524Delta

Find Deal

jue., nov. 20 - mar., dic. 2

11:55 am - 8:22 pmLHR-BUR

16h 27m1 stop

12:42 pm - 10:00 amBUR-LHR

14h 18m1 stop

$532American Airlines

Find Deal

vie., mar. 6 - mar., mar. 10

9:25 am - 6:20 pmLHR-BUR

16h 55m1 stop

8:40 am - 10:25 amBUR-LHR

18h 45m2 stops

$533American Airlines

Find Deal

vie., mar. 6 - mar., mar. 10

United Airlines flights from London Heathrow Airport to California

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

United Airlines

Jan 23

LHR9:00 amLondon Heathrow

15h 35m

1 stop

LAX4:35 pmLos Angeles

Feb 24

LAX12:50 pmLos Angeles

15h 00m

1 stop

LHR11:50 amLondon Heathrow

$490

Find similar

United Airlines

Sep 25

LHR8:40 amLondon Heathrow

15h 50m

1 stop

LAX4:30 pmLos Angeles

Sep 28

LAX4:40 pmLos Angeles

10h 30m

LHR11:10 amLondon Heathrow

$491

Find similar

United Airlines

Jan 6

LHR4:40 pmLondon Heathrow

30h 35m

1 stop

LAX3:15 pmLos Angeles

Jan 14

LAX12:50 pmLos Angeles

15h 00m

1 stop

LHR11:50 amLondon Heathrow

$495

Find similar

Austrian Airlines flights from London Heathrow Airport to California

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

Austrian Airlines

Sep 26

LHR6:00 amLondon Heathrow

15h 05m

1 stop

LAX1:05 pmLos Angeles

Oct 9

LAX4:40 pmLos Angeles

10h 30m

LHR11:10 amLondon Heathrow

$493

Find similar

Austrian Airlines

Sep 22

LHR6:00 amLondon Heathrow

15h 05m

1 stop

LAX1:05 pmLos Angeles

Oct 8

LAX4:40 pmLos Angeles

10h 30m

LHR11:10 amLondon Heathrow

$494

Find similar

Austrian Airlines

Sep 22

LHR7:30 pmLondon Heathrow

25h 35m

1 stop

LAX1:05 pmLos Angeles

Oct 8

LAX3:05 pmLos Angeles

33h 40m

1 stop

LHR8:45 amLondon Heathrow

$505

Find similar

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

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

jue. 10/9

9:50 am-6:25 pm

1 stop16h 35m

Los Angeles

jue. 10/16

8:15 pm-6:55 pm

1 stop14h 40m

$475

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

lun. 10/6

8:55 pm-11:50 am

1 stop22h 55m

Los Angeles

mié. 10/15

3:30 pm-10:00 am

Nonstop10h 30m

$476

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

vie. 1/23

9:00 am-4:35 pm

1 stop15h 35m

Los Angeles

mar. 2/24

12:50 pm-11:50 am

1 stop15h 00m

$490

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

mar. 10/28

9:00 am-5:35 pm

1 stop15h 35m

Los Angeles

lun. 11/3

12:25 am-5:55 am

1 stop21h 30m

$491

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

jue. 2/12

10:05 am-1:30 pm

Nonstop11h 25m

Los Angeles

jue. 2/19

5:35 pm-12:20 pm

Nonstop10h 45m

$505

LondonOntario

LHR - ONT

LHRONT

London Heathrow

sáb. 1/24

3:00 pm-10:02 pm

1 stop15h 02m

Ontario

mar. 2/3

5:03 pm-1:15 pm

1 stop12h 12m

$511

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

mié. 10/1

8:40 am-2:50 pm

1 stop14h 10m

Los Angeles

sáb. 10/18

3:30 pm-10:00 am

Nonstop10h 30m

$518

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

jue. 11/20

6:20 am-1:10 pm

1 stop14h 50m

Los Angeles

mar. 12/2

4:35 pm-10:55 am

Nonstop10h 20m

$524

LondonBurbank

LHR - BUR

LHRBUR

London Heathrow

vie. 3/6

11:55 am-8:22 pm

1 stop16h 27m

Burbank Bob Hope

mar. 3/10

12:42 pm-10:00 am

1 stop14h 18m

$532

LondonBurbank

LHR - BUR

LHRBUR

London Heathrow

vie. 3/6

9:25 am-6:20 pm

1 stop16h 55m

Burbank Bob Hope

mar. 3/10

8:40 am-10:25 am

2 stops18h 45m

$533

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 March is another great option to travel to California, with average flight prices from London Heathrow Airport averaging around $576.

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 Thursday. Travelers who choose to depart for California on a Thursday will often find tickets for as low as $702. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to California on Sunday is $834.

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 $712. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $773 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 $667 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 $591 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 12% 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	$600
Fastest flight time	10h 40m
Direct flights	Every day
Airports in California	1 airport

The best one-way flight to California from London Heathrow Airport in the past 72 hours is $600. The best round-trip flight deal from London Heathrow Airport to California found on momondo in the last 72 hours is $529.

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

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

There is 1 airport near California: 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 12 operators available for flights from London Heathrow Airport to California as of September 2025.
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 28.88% of all bookings. The subsequent popular models are Boeing 787 Dreamliner at 14.08%, Boeing 777 at 13.28%, and Airbus A350-1000 at 11.48%.

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
Aer Lingus	PriceFrom $416	Free Cancellation	Rating 7.2 1,270 reviews	Search Aer Lingus flights
Virgin Atlantic	PriceFrom $501	Free Cancellation	Rating 7.4 664 reviews	Search Virgin Atlantic flights
British Airways	PriceFrom $509	Free Cancellation	Rating 6.6 7,361 reviews	Search British Airways flights
Austrian Airlines	PriceFrom $509	Free Cancellation	Rating 7.6 850 reviews	Search Austrian Airlines flights
Finnair	PriceFrom $510	Free Cancellation	Rating 7.6 1,323 reviews	Search Finnair flights
Brussels Airlines	PriceFrom $512	Free Cancellation	Rating 7.2 359 reviews	Search Brussels Airlines flights
Iberia	PriceFrom $518	Free Cancellation	Rating 7.0 2,924 reviews	Search Iberia flights
Delta	PriceFrom $524	Free Cancellation	Rating 7.9 7,954 reviews	Search Delta flights
Lufthansa	PriceFrom $524	Free Cancellation	Rating 6.8 7,407 reviews	Search Lufthansa flights
United Airlines	PriceFrom $528	Free Cancellation	Rating 7.4 8,929 reviews	Search United 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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

mié. 10/15

mié. 10/22

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to California

Popular cities in California

Flights to New Yorkfrom $49

Flights to Los Angelesfrom $49

Flights to Miamifrom $49

Flights to Chicagofrom $49

Flights to Orlandofrom $59

Flights to Las Vegasfrom $49

Flights to San Franciscofrom $58

Flights to Washington, D.C.from $54

Flights to Bostonfrom $62

Flights to Atlantafrom $49

Flights to Dallasfrom $68

Flights to Seattlefrom $69

Cheap flights from London Heathrow Airport to California from $336

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from London Heathrow Airport to California

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

United Airlines flights from London Heathrow Airport to California

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

Austrian Airlines flights from London Heathrow Airport to California

Our best Austrian Airlines 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

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

What is the cheapest month to fly to California?

The month of March is another great option to travel to California, with average flight prices from London Heathrow Airport averaging around $576.

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?

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?

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 12% on your flight if you consider stops on a London Heathrow Airport to California flight.

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

Iberia, American Airlines, and TAP AIR PORTUGAL are the most popular carriers operating from London Heathrow to California

What airlines fly to California?

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

As of September 2025, there are 112 flights per day flying from London Heathrow Airport to California. The most common time of day flights depart is 2:00PM, with 64% of flights taking off in the afternoon.

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 784 per week as of September 2025. The most frequent departure day is Sun, with 15% of weekly flights leaving on this day.

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

When did momondo last update prices for flights from London Heathrow Airport to California?

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

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

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

What is the most popular plane model 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?

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

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

How can momondo help me find flights 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?

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