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Cheap flights from the United Kingdom to California from £347

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to California departing on 1/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from the United Kingdom to California

Recent return flight deals from the United Kingdom to California

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:00 - 13:05
LHR
-
LAX
15h 05m
1 stop
Multiple Airlines Logo
15:40 - 10:10
LAX
-
LHR
10h 30mdirect
£443Multiple Airlines
Thu, 24 Sep - Fri, 9 Oct
SWISS Logo
18:35 - 16:30
LGW
-
LAX
29h 55m
1 stop
SWISS Logo
19:35 - 17:50
LAX
-
LGW
14h 15m
1 stop
£443SWISS
Mon, 31 Aug - Mon, 7 Sep
Lufthansa Logo
09:30 - 16:20
LHR
-
LAX
14h 50m
1 stop
Lufthansa Logo
15:40 - 10:10
LAX
-
LHR
10h 30mdirect
£444Lufthansa
Fri, 2 Oct - Sat, 10 Oct
SWISS Logo
09:25 - 16:30
LGW
-
LAX
15h 05m
1 stop
SWISS Logo
19:35 - 17:50
LAX
-
LGW
14h 15m
1 stop
£444SWISS
Tue, 1 Sep - Tue, 15 Sep
Multiple Airlines Logo
20:05 - 16:30
LHR
-
LAX
28h 25m
1 stop
Multiple Airlines Logo
14:15 - 11:55
LAX
-
LHR
13h 40m
1 stop
£444Multiple Airlines
Thu, 20 Aug - Sat, 5 Sep
Lufthansa Logo
07:25 - 15:15
LHR
-
LAX
15h 50m
1 stop
Lufthansa Logo
08:15 - 11:55
LAX
-
LHR
19h 40m
1 stop
£445Lufthansa
Fri, 28 Aug - Tue, 1 Sep
United Airlines Logo
09:30 - 21:59
LHR
-
ONT
20h 29m
2 stops
United Airlines Logo
13:56 - 11:10
ONT
-
LHR
13h 14m
1 stop
£447United Airlines
Thu, 17 Sep - Mon, 21 Sep
Air Canada Logo
09:00 - 21:30
LHR
-
SFO
19h 30m
2 stops
Air Canada Logo
09:00 - 11:20
SFO
-
LHR
18h 20m
2 stops
£453Air Canada
Tue, 27 Oct - Sun, 8 Nov
United Airlines Logo
09:30 - 21:59
LHR
-
ONT
20h 29m
2 stops
United Airlines Logo
13:56 - 11:10
ONT
-
LHR
13h 14m
1 stop
£456United Airlines
Thu, 17 Sep - Mon, 21 Sep
Air France Logo
16:00 - 18:50
LHR
-
LAS
10h 50mdirect
Air France Logo
20:45 - 14:40
LAS
-
LHR
9h 55mdirect
£556Air France
Fri, 13 Nov - Wed, 18 Nov

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SWISS flights from United Kingdom to California

Our best SWISS deals on United Kingdom to California flight tickets
SWISS
31 Aug
LGW18:35London Gatwick
29h 55m
1 stop
LAX16:30Los Angeles Los Angeles
7 Sept
LAX19:35Los Angeles Los Angeles
14h 15m
1 stop
LGW17:50London Gatwick
£443
SWISS
1 Sept
LGW09:25London Gatwick
15h 05m
1 stop
LAX16:30Los Angeles Los Angeles
15 Sept
LAX19:35Los Angeles Los Angeles
14h 15m
1 stop
LGW17:50London Gatwick
£444
SWISS
1 Sept
LGW09:25London Gatwick
15h 05m
1 stop
LAX16:30Los Angeles Los Angeles
8 Sept
LAX19:35Los Angeles Los Angeles
14h 15m
1 stop
LGW17:50London Gatwick
£445

Lufthansa flights from United Kingdom to California

Our best Lufthansa deals on United Kingdom to California flight tickets
Lufthansa
23 Oct
LHR08:30London Heathrow
15h 50m
1 stop
LAX16:20Los Angeles Los Angeles
4 Nov
LAX08:17Los Angeles Los Angeles
14h 23m
1 stop
LHR06:40London Heathrow
£444
Lufthansa
28 Aug
LHR07:25London Heathrow
15h 50m
1 stop
LAX15:15Los Angeles Los Angeles
1 Sept
LAX08:15Los Angeles Los Angeles
19h 40m
1 stop
LHR11:55London Heathrow
£445
Lufthansa
20 Aug
LHR07:25London Heathrow
15h 50m
1 stop
LAX15:15Los Angeles Los Angeles
5 Sept
LAX15:35Los Angeles Los Angeles
10h 35m
LHR10:10London Heathrow
£446

momondo Fare Finder

 
Customise your flight search to find flights from United Kingdom 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 18 July 2026.
Use the filters below to find and compare flights from the United Kingdom to California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 24/9

06:00-13:05

1 stop15h 05m

Los Angeles Los Angeles

Fri 9/10

15:40-10:10

Nonstop10h 30m

£443

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Mon 31/8

18:35-16:30

1 stop29h 55m

Los Angeles Los Angeles

Mon 7/9

19:35-17:50

1 stop14h 15m

£443

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 2/10

09:30-16:20

1 stop14h 50m

Los Angeles Los Angeles

Sat 10/10

15:40-10:10

Nonstop10h 30m

£444

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Tue 1/9

09:25-16:30

1 stop15h 05m

Los Angeles Los Angeles

Tue 15/9

19:35-17:50

1 stop14h 15m

£444

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 20/8

20:05-16:30

1 stop28h 25m

Los Angeles Los Angeles

Sat 5/9

14:15-11:55

1 stop13h 40m

£444

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 28/8

07:25-15:15

1 stop15h 50m

Los Angeles Los Angeles

Tue 1/9

08:15-11:55

1 stop19h 40m

£445

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Thu 17/9

09:30-21:59

2 stops20h 29m

Ontario

Mon 21/9

13:56-11:10

1 stop13h 14m

£447

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 27/10

09:00-21:30

2 stops19h 30m

San Francisco

Sun 8/11

09:00-11:20

2 stops18h 20m

£453

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Thu 17/9

09:30-21:59

2 stops20h 29m

Ontario

Mon 21/9

13:56-11:10

1 stop13h 14m

£456
Fastest return journey

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Fri 13/11

16:00-18:50

Nonstop10h 50m

Las Vegas Harry Reid Intl

Wed 18/11

20:45-14:40

Nonstop9h 55m

£556

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 United Kingdom 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 February, then departing from United Kingdom during the month September is also very affordable. Most momondo users find prices during this month for around £467.

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 Friday when prices can be found for as low as £518. 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 United Kingdom because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £581.

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 £517. In contrast, the most expensive time of day to depart to California is in the afternoon when prices are around £564.

What is the cheapest United Kingdom to California flight route?

Fly from London Heathrow to Los Angeles for the best United Kingdom - 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 United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to California for around £497 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 United Kingdom for as low as £450 on momondo.

What cabin class options are available on United Kingdom to California flights?

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

You could potentially save up to 17% on your flight if you consider stops on a United Kingdom to California flight.

Cheap United Kingdom to California flight deals and tips

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

Best price found

£293

Fastest flight time

10h 20m

Direct flights

Every day

Airports in California

418 airports
The best one-way flight to California from United Kingdom in the past 72 hours is £293. The best return flight deal from United Kingdom to California found on momondo in the last 72 hours is £468.
The fastest flight from United Kingdom to California takes 10h 20m
Direct flights go from United Kingdom to California every day.
There are 418 airports in California. From United Kingdom there are direct flights to Las Vegas Harry Reid Intl (LAS).
Search flight deals

Frequently asked questions about flying from the United Kingdom to California

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

    Prices for flights from United Kingdom to California are updated daily.

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

  • How old do you have to be to fly from United Kingdom 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 United Kingdom to California.

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

    The travel and health documents required for your trip to California can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at California. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from United Kingdom to California?

Best airlines flying from United Kingdom to California

Compare and see reviews for airlines that fly from United Kingdom to California with momondo
Airline
Rating
Free Cancellation
Price
Virgin AtlanticPriceFrom £170Free CancellationRating
7.5
693 reviews
Search Virgin Atlantic flights
IberiaPriceFrom £170Free CancellationRating
7.0
3,258 reviews
Search Iberia flights
Air FrancePriceFrom £236Free CancellationRating
7.5
1,627 reviews
Search Air France flights
JetBluePriceFrom £242Free CancellationRating
7.1
3,011 reviews
Search JetBlue flights
Norse Atlantic UKPriceFrom £286Free CancellationRating
7.2
55 reviews
Search Norse Atlantic UK flights
SWISSPriceFrom £296Free CancellationRating
7.5
2,010 reviews
Search SWISS flights
United AirlinesPriceFrom £303Free CancellationRating
7.4
10,006 reviews
Search United Airlines flights
DeltaPriceFrom £320Free CancellationRating
7.8
8,480 reviews
Search Delta flights
Scandinavian AirlinesPriceFrom £320Free CancellationRating
7.4
1,885 reviews
Search Scandinavian Airlines flights
Aer LingusPriceFrom £332Free CancellationRating
7.3
1,671 reviews
Search Aer Lingus flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from United Kingdom to California. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for United Kingdom to California flights to just show those with flexible booking policies.

How can momondo help me find flights from United Kingdom to California?

Once you have performed a search for United Kingdom 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 United Kingdom to California right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to California from United Kingdom. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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