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Cheap flights from London Heathrow Airport to California from £237

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to California departing on 14/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from London Heathrow Airport to California

Cheap return flights

Aer Lingus Logo
09:50 - 18:25LHR-LAX
16h 35m1 stop
Aer Lingus Logo
20:15 - 18:55LAX-LHR
14h 40m1 stop
£350Aer Lingus
Find Deal
Thu, 9 Oct - Thu, 16 Oct
Virgin Atlantic Logo
20:55 - 11:50LHR-LAX
22h 55m1 stop
Virgin Atlantic Logo
15:30 - 10:00LAX-LHR
10h 30mdirect
£350Virgin Atlantic
Find Deal
Mon, 6 Oct - Wed, 15 Oct
Lufthansa Logo
06:55 - 15:15LHR-LAX
16h 20m1 stop
Lufthansa Logo
08:25 - 06:20LAX-LHR
13h 55m1 stop
£351Lufthansa
Find Deal
Thu, 25 Sep - Thu, 2 Oct
Lufthansa Logo
06:55 - 15:15LHR-LAX
16h 20m1 stop
Lufthansa Logo
07:00 - 07:15LAX-LHR
16h 15m1 stop
£353Lufthansa
Find Deal
Thu, 25 Sep - Sun, 28 Sep
Finnair Logo
10:20 - 17:05LHR-LAX
14h 45m1 stop
Finnair Logo
19:30 - 14:00LAX-LHR
10h 30mdirect
£359Finnair
Find Deal
Tue, 11 Nov - Mon, 24 Nov
United Airlines Logo
09:00 - 16:35LHR-LAX
15h 35m1 stop
United Airlines Logo
12:50 - 11:50LAX-LHR
15h 00m1 stop
£361United Airlines
Find Deal
Fri, 23 Jan - Tue, 24 Feb
United Airlines Logo
09:00 - 17:35LHR-LAX
15h 35m1 stop
United Airlines Logo
13:01 - 09:40LAX-LHR
12h 39m1 stop
£361United Airlines
Find Deal
Tue, 28 Oct - Thu, 6 Nov
British Airways Logo
10:05 - 13:30LHR-LAX
11h 25mdirect
British Airways Logo
17:35 - 12:20LAX-LHR
10h 45mdirect
£372British Airways
Find Deal
Thu, 12 Feb - Thu, 19 Feb
British Airways Logo
15:00 - 22:02LHR-ONT
15h 02m1 stop
British Airways Logo
17:03 - 13:15ONT-LHR
12h 12m1 stop
£376British Airways
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Sat, 24 Jan - Tue, 3 Feb
Finnair Logo
10:20 - 17:05LHR-LAX
14h 45m1 stop
Finnair Logo
19:00 - 12:30LAX-LHR
10h 30mdirect
£382Finnair
Find Deal
Sun, 1 Mar - Sun, 8 Mar

SWISS flights from London Heathrow Airport to California

Our best SWISS deals on London Heathrow Airport to California flight tickets
SWISS
18 Sept
LHR18:40London Heathrow
29h 50m
1 stop
LAX16:30Los Angeles
21 Sept
LAX19:35Los Angeles
28h 20m
1 stop
LHR07:55London Heathrow
£377
Find similar
SWISS
22 Sept
LHR06:00London Heathrow
18h 30m
1 stop
LAX16:30Los Angeles
5 Oct
LAX19:35Los Angeles
18h 10m
1 stop
LHR21:45London Heathrow
£378
Find similar
SWISS
1 Oct
LHR20:05London Heathrow
28h 25m
1 stop
LAX16:30Los Angeles
5 Oct
LAX19:35Los Angeles
28h 20m
1 stop
LHR07:55London Heathrow
£379
Find similar

United Airlines flights from London Heathrow Airport to California

Our best United Airlines deals on London Heathrow Airport to California flight tickets
United Airlines
23 Jan
LHR09:00London Heathrow
15h 35m
1 stop
LAX16:35Los Angeles
24 Feb
LAX12:50Los Angeles
15h 00m
1 stop
LHR11:50London Heathrow
£361
Find similar
United Airlines
25 Sept
LHR08:40London Heathrow
15h 50m
1 stop
LAX16:30Los Angeles
28 Sept
LAX16:40Los Angeles
10h 30m
LHR11:10London Heathrow
£361
Find similar
United Airlines
6 Jan
LHR16:40London Heathrow
30h 35m
1 stop
LAX15:15Los Angeles
14 Jan
LAX12:50Los Angeles
15h 00m
1 stop
LHR11:50London Heathrow
£364
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to California that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 16 September 2025.
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

Thu 9/10

09:50-18:25

1 stop16h 35m

Los Angeles

Thu 16/10

20:15-18:55

1 stop14h 40m

£350

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 6/10

20:55-11:50

1 stop22h 55m

Los Angeles

Wed 15/10

15:30-10:00

Nonstop10h 30m

£350

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 25/9

06:55-15:15

1 stop16h 20m

Los Angeles

Thu 2/10

08:25-06:20

1 stop13h 55m

£351

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 25/9

06:55-15:15

1 stop16h 20m

Los Angeles

Sun 28/9

07:00-07:15

1 stop16h 15m

£353

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 11/11

10:20-17:05

1 stop14h 45m

Los Angeles

Mon 24/11

19:30-14:00

Nonstop10h 30m

£359

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 23/1

09:00-16:35

1 stop15h 35m

Los Angeles

Tue 24/2

12:50-11:50

1 stop15h 00m

£361

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 28/10

09:00-17:35

1 stop15h 35m

Los Angeles

Thu 6/11

13:01-09:40

1 stop12h 39m

£361

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 12/2

10:05-13:30

Nonstop11h 25m

Los Angeles

Thu 19/2

17:35-12:20

Nonstop10h 45m

£372

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Sat 24/1

15:00-22:02

1 stop15h 02m

Ontario

Tue 3/2

17:03-13:15

1 stop12h 12m

£376

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 1/3

10:20-17:05

1 stop14h 45m

Los Angeles

Sun 8/3

19:00-12:30

Nonstop10h 30m

£382

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

If you are unable to visit California during the month of September, then departing from London Heathrow Airport during the month March is also very affordable. Most momondo users find prices during this month for around £424.

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

The cheapest day to depart on your flight to California is on a Wednesday when prices can be found for as low as £497. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £584.

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

The cheapest time of day to fly to California is in the evening when flights can be purchased for as low as £493. In contrast, the most expensive time of day to depart to California is in the afternoon when prices are around £553.

What is the cheapest London Heathrow to California flight route?

Fly from London Heathrow to Los Angeles 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 £491 when searching weeks before you fly. 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 £435 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 39% 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

£470

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 £470. The best return flight deal from London Heathrow Airport to California found on momondo in the last 72 hours is £405.
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 are updated daily.

  • 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?

    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 Heathrow Airport to California.

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

    The travel and health documents you'll need for your trip to California may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at California. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • 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
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom £235Free CancellationRating
7.9
7,954 reviews
Search Delta flights
FinnairPriceFrom £276Free CancellationRating
7.6
1,323 reviews
Search Finnair flights
SWISSPriceFrom £288Free CancellationRating
7.5
1,730 reviews
Search SWISS flights
Norse Atlantic UKPriceFrom £306Free CancellationRating
7.1
49 reviews
Search Norse Atlantic UK flights
Aer LingusPriceFrom £330Free CancellationRating
7.2
1,270 reviews
Search Aer Lingus flights
United AirlinesPriceFrom £334Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights
Scandinavian AirlinesPriceFrom £342Free CancellationRating
7.4
1,484 reviews
Search Scandinavian Airlines flights
TAP AIR PORTUGALPriceFrom £346Free CancellationRating
7.1
1,975 reviews
Search TAP AIR PORTUGAL flights
Air FrancePriceFrom £351Free CancellationRating
7.4
1,469 reviews
Search Air France flights
Brussels AirlinesPriceFrom £353Free CancellationRating
7.2
359 reviews
Search Brussels Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to California from London.

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

Yes. All flights to California from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential London to California flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from London to California right now. Can momondo alert me if prices change?

Yes. momondo can track prices for London to California flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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