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Cheap flights from London Heathrow Airport to California from £238

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 2/9. 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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Find the cheapest flights from London Heathrow Airport to California

Cheap return flights

SWISS Logo
18:40 - 16:30LHR-LAX
29h 50m1 stop
SWISS Logo
19:35 - 17:50LAX-LHR
14h 15m1 stop
£315SWISS
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Thu, 25 Sep - Sun, 28 Sep
SWISS Logo
18:40 - 16:35LHR-LAX
29h 55m1 stop
SWISS Logo
19:10 - 17:50LAX-LHR
14h 40m1 stop
£321SWISS
Find Deal
Tue, 30 Dec - Sun, 11 Jan
Virgin Atlantic Logo
20:55 - 17:13LHR-SNA
28h 18m2 stops
Virgin Atlantic Logo
07:45 - 07:15SNA-LHR
15h 30m1 stop
£408Virgin Atlantic
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Mon, 1 Sep - Sun, 14 Sep
British Airways Logo
08:20 - 22:33LHR-ONT
22h 13m1 stop
British Airways Logo
12:47 - 12:45ONT-LHR
15h 58m1 stop
£410British Airways
Find Deal
Sat, 13 Sep - Sat, 20 Sep
British Airways Logo
14:55 - 22:42LHR-ONT
14h 47m1 stop
British Airways Logo
16:47 - 13:15ONT-LHR
12h 28m1 stop
£412British Airways
Find Deal
Tue, 28 Oct - Tue, 4 Nov
Virgin Atlantic Logo
20:55 - 17:13LHR-SNA
28h 18m2 stops
Virgin Atlantic Logo
07:45 - 12:15SNA-LHR
20h 30m2 stops
£413Virgin Atlantic
Find Deal
Mon, 1 Sep - Sun, 14 Sep
KLM Logo
14:20 - 22:41LHR-ONT
16h 21m1 stop
KLM Logo
12:00 - 10:35ONT-LHR
14h 35m1 stop
£431KLM
Find Deal
Sun, 16 Nov - Mon, 24 Nov
Lufthansa Logo
06:55 - 15:25LHR-SAN
16h 30m1 stop
Lufthansa Logo
12:52 - 09:40SAN-LHR
12h 48m1 stop
£440Lufthansa
Find Deal
Wed, 17 Sep - Mon, 22 Sep
Lufthansa Logo
07:25 - 15:25LHR-SAN
16h 00m1 stop
Lufthansa Logo
12:52 - 09:40SAN-LHR
12h 48m1 stop
£441Lufthansa
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Wed, 3 Sep - Mon, 22 Sep
KLM Logo
20:55 - 21:36LHR-LGB
32h 41m2 stops
KLM Logo
13:15 - 11:20LGB-LHR
38h 05m2 stops
£470KLM
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Wed, 10 Sep - Thu, 25 Sep

Scandinavian Airlines flights from London Heathrow Airport to California

Our best Scandinavian Airlines deals on London Heathrow Airport to California flight tickets
Scandinavian Airlines
22 Sept
LHR06:40London Heathrow
17h 40m
1 stop
LAX16:20Los Angeles
7 Oct
LAX19:30Los Angeles
15h 00m
1 stop
LHR18:30London Heathrow
£337
Find similar
Scandinavian Airlines
22 Sept
LHR07:05London Heathrow
17h 15m
2 stops
LAX16:20Los Angeles
7 Oct
LAX19:30Los Angeles
15h 00m
1 stop
LHR18:30London Heathrow
£343
Find similar
Scandinavian Airlines
22 Sept
LHR07:05London Heathrow
17h 15m
2 stops
LAX16:20Los Angeles
7 Oct
LAX19:30Los Angeles
18h 05m
2 stops
LHR21:35London Heathrow
£345
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
14 Aug
LHR08:40London Heathrow
15h 50m
1 stop
LAX16:30Los Angeles
14 Nov
LAX14:10Los Angeles
13h 40m
1 stop
LHR11:50London Heathrow
£455
Find similar
United Airlines
7 Aug
LHR08:30London Heathrow
15h 56m
1 stop
LAX16:26Los Angeles
16 Aug
LAX16:45Los Angeles
10h 25m
LHR11:10London Heathrow
£465
Find similar
United Airlines
7 Aug
LHR11:25London Heathrow
13h 48m
1 stop
LAX17:13Los Angeles
12 Sept
LAX06:05Los Angeles
16h 40m
1 stop
LHR06:45London Heathrow
£465
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 1 August 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 25/9

18:40-16:30

1 stop29h 50m

Los Angeles

Sun 28/9

19:35-17:50

1 stop14h 15m

£315

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 30/12

18:40-16:35

1 stop29h 55m

Los Angeles

Sun 11/1

19:10-17:50

1 stop14h 40m

£321

LondonSanta Ana

LHR - SNA

LHRSNA

London Heathrow

Mon 1/9

20:55-17:13

2 stops28h 18m

Santa Ana J. Wayne/Orange Cnty

Sun 14/9

07:45-07:15

1 stop15h 30m

£408

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Sat 13/9

08:20-22:33

1 stop22h 13m

Ontario

Sat 20/9

12:47-12:45

1 stop15h 58m

£410

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 28/10

14:55-22:42

1 stop14h 47m

Ontario

Tue 4/11

16:47-13:15

1 stop12h 28m

£412

LondonSanta Ana

LHR - SNA

LHRSNA

London Heathrow

Mon 1/9

20:55-17:13

2 stops28h 18m

Santa Ana J. Wayne/Orange Cnty

Sun 14/9

07:45-12:15

2 stops20h 30m

£413

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Sun 16/11

14:20-22:41

1 stop16h 21m

Ontario

Mon 24/11

12:00-10:35

1 stop14h 35m

£431

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Wed 17/9

06:55-15:25

1 stop16h 30m

San Diego

Mon 22/9

12:52-09:40

1 stop12h 48m

£440

LondonSan Diego

LHR - SAN

LHRSAN

London Heathrow

Wed 3/9

07:25-15:25

1 stop16h 00m

San Diego

Mon 22/9

12:52-09:40

1 stop12h 48m

£441

LondonLong Beach

LHR - LGB

LHRLGB

London Heathrow

Wed 10/9

20:55-21:36

2 stops32h 41m

Long Beach Municipal

Thu 25/9

13:15-11:20

2 stops38h 05m

£470

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 March, then departing from London Heathrow Airport during the month February is also very affordable. Most momondo users find prices during this month for around £439.

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 £511. 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 £602.

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 £506. In contrast, the most expensive time of day to depart to California is in the afternoon when prices are around £560.

What is the cheapest London Heathrow to California flight route?

Fly from London Heathrow to San Diego 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 £511 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 £448 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 18% 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

£238

Fastest flight time

11h 20m

Direct flights

Tue, Wed, Thu, Fri, Sat and Sun

Airports in California

8 airports
The best one-way flight to California from London Heathrow Airport in the past 72 hours is £238. The best return flight deal from London Heathrow Airport to California found on momondo in the last 72 hours is £315.
The fastest flight from London Heathrow Airport to California takes 11h 20m
Direct flights go from London Heathrow Airport to California on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: Virgin Atlantic, Delta and Finnair.
There are 8 airports near California: San Diego (SAN), Los Angeles (LAX), Ontario (ONT), Long Beach Municipal (LGB), Santa Ana J. Wayne/Orange Cnty (SNA), Oakland (OAK), San Francisco (SFO), Burbank Bob Hope (BUR)
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  • 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 £241Free CancellationRating
8.0
7,981 reviews
Search Delta flights
SWISSPriceFrom £281Free CancellationRating
7.5
1,686 reviews
Search SWISS flights
FinnairPriceFrom £283Free CancellationRating
7.6
1,316 reviews
Search Finnair flights
Norse Atlantic UKPriceFrom £333Free CancellationRating
7.2
47 reviews
Search Norse Atlantic UK flights
United AirlinesPriceFrom £343Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
TAP AIR PORTUGALPriceFrom £353Free CancellationRating
7.1
1,933 reviews
Search TAP AIR PORTUGAL flights
Scandinavian AirlinesPriceFrom £355Free CancellationRating
7.3
1,457 reviews
Search Scandinavian Airlines flights
Brussels AirlinesPriceFrom £359Free CancellationRating
7.2
350 reviews
Search Brussels Airlines flights
Air FrancePriceFrom £361Free CancellationRating
7.5
1,465 reviews
Search Air France flights
Austrian AirlinesPriceFrom £364Free CancellationRating
7.6
823 reviews
Search Austrian 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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