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Cheap flights from London to California from £318

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 to California departing on 2/5. 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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Cheap return flights

Enter your travel dates to find the best prices.
Virgin Atlantic Logo
20:25 - 11:45
LHR
-
LAX
23h 20m
1 stop
Virgin Atlantic Logo
16:35 - 10:55
LAX
-
LHR
10h 20mdirect
£344Virgin Atlantic
Thu, 26 Feb - Wed, 4 Mar
Multiple Airlines Logo
09:00 - 16:35
LHR
-
LAX
15h 35m
1 stop
Multiple Airlines Logo
19:00 - 13:30
LAX
-
LHR
10h 30mdirect
£344Multiple Airlines
Sat, 21 Feb - Thu, 26 Feb
Lufthansa Logo
16:40 - 15:15
LHR
-
LAX
30h 35m
1 stop
Lufthansa Logo
07:30 - 06:20
LAX
-
LHR
14h 50m
1 stop
£345Lufthansa
Wed, 18 Feb - Tue, 24 Feb
Multiple Airlines Logo
09:00 - 16:35
LHR
-
LAX
15h 35m
1 stop
Multiple Airlines Logo
20:00 - 13:30
LAX
-
LHR
10h 30mdirect
£346Multiple Airlines
Wed, 18 Feb - Wed, 11 Mar
Lufthansa Logo
06:30 - 13:05
LHR
-
LAX
14h 35m
1 stop
Lufthansa Logo
20:00 - 13:30
LAX
-
LHR
10h 30mdirect
£347Lufthansa
Wed, 25 Feb - Wed, 11 Mar
United Airlines Logo
08:30 - 22:57
LHR
-
ONT
22h 27m
2 stops
United Airlines Logo
23:59 - 05:55
ONT
-
LHR
22h 56m
1 stop
£362United Airlines
Fri, 27 Feb - Sun, 15 Mar
United Airlines Logo
07:25 - 14:30
LHR
-
SFO
15h 05m
1 stop
United Airlines Logo
12:50 - 07:25
SFO
-
LHR
10h 35mdirect
£369United Airlines
Mon, 4 May - Sat, 16 May
KLM Logo
06:30 - 15:15
LHR
-
LAS
15h 45m
1 stop
KLM Logo
13:20 - 10:00
LAS
-
LHR
12h 40m
1 stop
£434KLM
Tue, 10 Mar - Mon, 30 Mar
British Airways Logo
08:50 - 18:50
LHR
-
LAS
17h 00m
1 stop
British Airways Logo
06:00 - 07:40
LAS
-
LHR
17h 40m
1 stop
£436British Airways
Tue, 10 Mar - Mon, 30 Mar
British Airways Logo
12:30 - 21:00
LHR
-
LAS
15h 30m
1 stop
British Airways Logo
21:55 - 14:50
LAS
-
LHR
9h 55mdirect
£437British Airways
Mon, 9 Mar - Mon, 16 Mar

SWISS flights from London to California

Our best SWISS deals on London to California flight tickets
SWISS
24 Feb
LGW18:40London Gatwick
29h 55m
1 stop
LAX16:35Los Angeles
23 Mar
LAX20:10Los Angeles
14h 40m
1 stop
LGW17:50London Gatwick
£351
SWISS
18 Feb
LGW18:40London Gatwick
29h 55m
1 stop
LAX16:35Los Angeles
22 Feb
LAX19:10Los Angeles
14h 40m
1 stop
LGW17:50London Gatwick
£353
SWISS
9 Feb
LHR09:00London Heathrow
15h 35m
1 stop
LAX16:35Los Angeles
16 Mar
LAX20:10Los Angeles
14h 40m
1 stop
LHR17:50London Heathrow
£354

United Airlines flights from London to California

Our best United Airlines deals on London to California flight tickets
United Airlines
24 Feb
LHR12:05London Heathrow
36h 30m
1 stop
LAX16:35Los Angeles
26 Mar
LAX10:15Los Angeles
14h 10m
1 stop
LHR07:25London Heathrow
£353
United Airlines
24 Feb
LHR09:00London Heathrow
15h 35m
1 stop
LAX16:35Los Angeles
25 Mar
LAX20:00Los Angeles
10h 30m
LHR13:30London Heathrow
£356
United Airlines
12 Feb
LHR06:35London Heathrow
16h 40m
1 stop
LAX15:15Los Angeles
8 Mar
LAX20:00Los Angeles
10h 30m
LHR13:30London Heathrow
£357

momondo Fare Finder

 
Customise your flight search to find flights from London 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 3 February 2026.
Use the filters below to find and compare flights from London to California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 26/2

20:25-11:45

1 stop23h 20m

Los Angeles

Wed 4/3

16:35-10:55

Nonstop10h 20m

£344

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 21/2

09:00-16:35

1 stop15h 35m

Los Angeles

Thu 26/2

19:00-13:30

Nonstop10h 30m

£344

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 18/2

16:40-15:15

1 stop30h 35m

Los Angeles

Tue 24/2

07:30-06:20

1 stop14h 50m

£345

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 18/2

09:00-16:35

1 stop15h 35m

Los Angeles

Wed 11/3

20:00-13:30

Nonstop10h 30m

£346

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 25/2

06:30-13:05

1 stop14h 35m

Los Angeles

Wed 11/3

20:00-13:30

Nonstop10h 30m

£347

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Fri 27/2

08:30-22:57

2 stops22h 27m

Ontario

Sun 15/3

23:59-05:55

1 stop22h 56m

£362

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 4/5

07:25-14:30

1 stop15h 05m

San Francisco

Sat 16/5

12:50-07:25

Nonstop10h 35m

£369

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 10/3

06:30-15:15

1 stop15h 45m

Las Vegas Harry Reid Intl

Mon 30/3

13:20-10:00

1 stop12h 40m

£434

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 10/3

08:50-18:50

1 stop17h 00m

Las Vegas Harry Reid Intl

Mon 30/3

06:00-07:40

1 stop17h 40m

£436

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Mon 9/3

12:30-21:00

1 stop15h 30m

Las Vegas Harry Reid Intl

Mon 16/3

21:55-14:50

Nonstop9h 55m

£437

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to California from

How to get the cheapest flight ticket from London 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 during the month February is also very affordable. Most momondo users find prices during this month for around £396.

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 £493. 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 because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £559.

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 morning when flights can be purchased for as low as £494. In contrast, the most expensive time of day to depart to California is in the afternoon when prices are around £547.

What is the cheapest London to California flight route?

Fly from London Gatwick to Los Angeles for the best London - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to California for around £475 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 for as low as £439 on momondo.

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

There are 4 cabin classes available to choose from on London 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 to California flights?

No. A direct flight is the cheapest option for a flight between London to California.

Cheap London to California flight deals and tips

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

Best price found

£312

Fastest flight time

10h 40m

Direct flights

Every day

Airports in California

418 airports
The best one-way flight to California from London in the past 72 hours is £312. The best return flight deal from London to California found on momondo in the last 72 hours is £364.
The fastest flight from London to California takes 10h 40m
Direct flights go from London to California every day.
There are 418 airports in California. From London there are direct flights to Las Vegas Harry Reid Intl (LAS).
Search flight deals

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

    Prices for flights from London to California are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London 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 to California?

Best airlines flying from London to California

Compare and see reviews for airlines that fly from London to California with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom £233Free CancellationRating
7.9
8,138 reviews
Search Delta flights
IberiaPriceFrom £234Free CancellationRating
7.0
3,103 reviews
Search Iberia flights
SWISSPriceFrom £272Free CancellationRating
7.6
1,864 reviews
Search SWISS flights
FinnairPriceFrom £274Free CancellationRating
7.6
1,357 reviews
Search Finnair flights
Norse Atlantic UKPriceFrom £277Free CancellationRating
7.3
52 reviews
Search Norse Atlantic UK flights
Aer LingusPriceFrom £327Free CancellationRating
7.2
1,444 reviews
Search Aer Lingus flights
Brussels AirlinesPriceFrom £328Free CancellationRating
7.2
381 reviews
Search Brussels Airlines flights
Air CanadaPriceFrom £329Free CancellationRating
7.1
10,684 reviews
Search Air Canada flights
United AirlinesPriceFrom £332Free CancellationRating
7.4
9,235 reviews
Search United Airlines flights
Scandinavian AirlinesPriceFrom £337Free CancellationRating
7.3
1,676 reviews
Search Scandinavian Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to California for you.

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

Flights from London to California with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for London to California flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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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Find better results for your trip to California

Popular Cities in California

Popular flights according to clicks in the last 7 days on momondo
Flights to New Yorkfrom £239
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Flights to Los Angelesfrom £284
Flights to Miamifrom £325
Flights to San Franciscofrom £358
Flights to Bostonfrom £219
Flights to Chicagofrom £350
Flights to Washington, D.C.from £333
Flights to Las Vegasfrom £360
Flights to Atlantafrom £332
Flights to Dallasfrom £355
Flights to Houstonfrom £407