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Cheap flights from the United Kingdom to California from £336

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAX
24 Aug — 31 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to California

Enter your travel dates to find the best prices.

Cheapest flights from United Kingdom to California
Explore the most affordable flight options available from United Kingdom to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 July 2026.

Wed 5/813:40
LHR
-
ONT
1 stop16h 15m
United Airlines
Fri 21/813:18
ONT
-
LHR
1 stop12h 22m
United Airlines
Deal found 21/7£437
Wed 23/908:40
LHR
-
LAX
1 stop15h 50m
Multiple Airlines
Wed 30/915:40
LAX
-
LHR
Nonstop10h 30m
Multiple Airlines
Deal found 25/7£442
Fri 9/1007:25
LHR
-
LAX
1 stop15h 50m
Lufthansa
Sat 17/1015:40
LAX
-
LHR
Nonstop10h 30m
Lufthansa
Deal found 25/7£443
Wed 23/908:40
LHR
-
LAX
1 stop15h 50m
Multiple Airlines
Sun 4/1015:40
LAX
-
LHR
Nonstop10h 30m
Multiple Airlines
Deal found 24/7£444
Mon 7/918:35
LGW
-
LAX
1 stop29h 55m
SWISS
Mon 14/919:35
LAX
-
LGW
1 stop28h 50m
SWISS
Deal found 24/7£444
Wed 4/1109:00
LHR
-
LAX
1 stop15h 35m
Multiple Airlines
Wed 11/1118:55
LAX
-
LHR
Nonstop10h 35m
Multiple Airlines
Deal found 22/7£444
Thu 3/909:25
LGW
-
LAX
1 stop15h 05m
SWISS
Tue 8/919:35
LAX
-
LGW
1 stop14h 15m
SWISS
Deal found 21/7£444
Thu 3/906:00
LHR
-
LAX
1 stop15h 05m
Austrian Airlines
Sat 12/907:00
LAX
-
LHR
1 stop16h 15m
Austrian Airlines
Deal found 24/7£445
Tue 1/909:25
LGW
-
LAX
1 stop15h 05m
SWISS
Tue 8/919:35
LAX
-
LGW
1 stop14h 15m
SWISS
Deal found 23/7£445
Tue 22/906:00
LHR
-
LAX
1 stop15h 05m
Multiple Airlines
Sat 3/1015:40
LAX
-
LHR
Nonstop10h 30m
Multiple Airlines
Deal found 22/7£446
Thu 22/1006:55
LHR
-
LAX
1 stop16h 20m
United Airlines
Sat 31/1012:45
LAX
-
LHR
1 stop13h 55m
United Airlines
Deal found 24/7£447
Wed 7/1009:25
LGW
-
LAX
1 stop15h 05m
SWISS
Wed 14/1019:35
LAX
-
LGW
1 stop14h 15m
SWISS
Deal found 20/7£447

Find flight deals from United Kingdom to California

Keep the following information in mind while searching for United Kingdom to California flight deals. Data was last updated 25 July 2026.

Round-trip from

£437

One-way from

£336

Popular in

December

Cheapest in

February

Average price

£542

Good round-trip deal

£472 or less

Good one-way deal

£295 or less
United Airlines
  • United Airlines
  • 5/8-21/8
  • 2 total stops
  • 28h 37m total
  • United Kingdom to California
Search Deals
Alaska Airlines
  • Alaska Airlines
  • 10/9
  • 1 total stop
  • 14h 24m total
  • United Kingdom to California
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£10 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from United Kingdom to California.
Search Deals
Price to beat on a one-way flight from United Kingdom to California.
Search Deals

Cheapflights 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, Cheapflights users made 858,174 searches. Data last updated 25 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

Tue 29/9

06:00-13:05

1 stop15h 05m

Los Angeles Los Angeles

Tue 6/10

14:19-11:55

1 stop13h 36m

£446

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 5/9

06:00-13:05

1 stop15h 05m

Los Angeles Los Angeles

Sat 12/9

14:15-11:55

1 stop13h 40m

£449

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 2/9

08:40-16:30

1 stop15h 50m

Los Angeles Los Angeles

Sun 6/9

16:10-12:35

1 stop12h 25m

£451

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 21/8

09:30-16:20

1 stop14h 50m

Los Angeles Los Angeles

Sun 6/9

15:35-10:10

Nonstop10h 35m

£451

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 8/9

06:00-13:05

1 stop15h 05m

Los Angeles Los Angeles

Tue 15/9

15:40-10:10

Nonstop10h 30m

£453

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 23/8

06:00-13:05

1 stop15h 05m

Los Angeles Los Angeles

Sun 6/9

14:15-11:55

1 stop13h 40m

£453

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 23/8

06:30-13:10

1 stop14h 40m

Los Angeles Los Angeles

Sun 6/9

14:15-11:55

1 stop13h 40m

£457

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Thu 17/9

09:30-21:59

2 stops20h 29m

Ontario

Mon 21/9

13:18-09:40

1 stop12h 22m

£459

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 15/10

16:55-20:15

Nonstop11h 20m

Los Angeles Los Angeles

Sun 25/10

19:25-13:05

Nonstop10h 40m

£471

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Sun 22/11

10:00-20:19

2 stops18h 19m

San Francisco

Sun 29/11

15:10-15:45

1 stop16h 35m

£471

Flights are sorted by cheapest return flights first.

Deals found on 24/7

Showing 1-10 of 60 resultsSorted by cheapest first
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2
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6

Best time to book a flight from United Kingdom to California

Have a flexible travel schedule? Discover the best time to fly to California from United Kingdom with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to California

What is the cheapest month to book a flight from United Kingdom to California?

Currently, February is the cheapest month in which you can book a flight from United Kingdom to California (average of £466). Flying from United Kingdom to California in December is currently the most expensive (average of £621). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from GB to CA?

Find hourly flight availability from United Kingdom to California. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 25 July 2026.

When flying from United Kingdom to California, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from United Kingdom to California

Explore weekly flight availability from United Kingdom to California. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 25 July 2026.

The most flights from GB0 to USCA are scheduled on a Monday (51 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (51 on average).

How far ahead should I book a flight from United Kingdom to California?

To ensure you get the cheapest price possible for a flight from United Kingdom to California, you should look to book at least 40 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing California

Get insights into the airlines that provide service to California. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to California. Reviews last updated 25 July 2026.
Get a feel of what it's like to fly with Virgin Atlantic,United Airlines, andAer Lingus from the United Kingdom to California by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Virgin Atlantic
7.5
Good
695 reviews
Check prices

Food

6.9

Comfort

7.3

Entertainment

7.5

Overall

7.5

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Virgin Atlantic
7.5
Good
695 reviews
Virgin Atlantic
7.5
Good
695 reviews
Check prices

Food

6.9

Comfort

7.3

Entertainment

7.5

Overall

7.5

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
United Airlines
7.4
Good
10,034 reviews
Virgin Atlantic
7.5
Good
695 reviews
Check prices

Food

6.9

Comfort

7.3

Entertainment

7.5

Overall

7.5

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Aer Lingus
7.3
Good
1,679 reviews
Virgin Atlantic
7.5
Good
695 reviews
Check prices

Food

6.9

Comfort

7.3

Entertainment

7.5

Overall

7.5

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Lufthansa
6.8
Okay
8,155 reviews
Virgin Atlantic
7.5
Good
695 reviews
Check prices

Food

6.9

Comfort

7.3

Entertainment

7.5

Overall

7.5

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
British Airways
6.7
Okay
8,132 reviews
Virgin Atlantic
7.5
Good
695 reviews
Check prices

Food

6.9

Comfort

7.3

Entertainment

7.5

Overall

7.5

Crew

8.1

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to California. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from United Kingdom to California?

    United Airlines, Austrian Airlines, and Virgin Atlantic can get you from United Kingdom to California in just under 15h 05m. Your travel time can differ by up to 3h 14m. United Kingdom and California are separated by a distance of 5439 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from United Kingdom to California one-way?

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at £171. Norse Atlantic UK flights start at £192 while deals on LEVEL start at £196 one-way.

  • Can I find deals for flights from United Kingdom to California that include hotel bookings?

    Yes. In addition to deals on United Kingdom to California flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from United Kingdom to California?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to California.

  • Can I find deals for business class flights from United Kingdom to California?

    Yes. Cheapflights offers flight deals from United Kingdom to California by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from United Kingdom to California?

    Currently, February is the cheapest month in which you can book a flight from United Kingdom to California (average of £466). Flying from United Kingdom to California in December is currently the most expensive (average of £621). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for United Kingdom to California

See prices for flight routes from nearby airports that may be better suited for you.
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Gatwick to Boston flights
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London City to Miami flights
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Edinburgh to John F Kennedy Intl flights
Manchester to LaGuardia flights
Heathrow to George Bush Intcntl flights
Heathrow to Atlanta flights
London City to Orlando flights
Heathrow to Tampa flights
Heathrow to Reagan-National flights
Gatwick to Dulles Intl flights
Glasgow Intl to Newark flights
London City to Boston flights
Heathrow to Ontario flights
Stansted to Dulles Intl flights
Luton to Los Angeles flights

Top 10 airlines flying from United Kingdom to California

Discover the top 10 airlines that operate flights from United Kingdom to California. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 25 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£171Average£633FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IberiaCheapest£172Average£565FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Air FranceCheapest£238Average£688FlexibilityNo cancel feeOn-time77%
Search Air France flights
JetBlueCheapest£244Average£669FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Norse Atlantic UKCheapest£282Average£535FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
SWISSCheapest£299Average£556FlexibilityNo cancel feeOn-time79%
Search SWISS flights
British AirwaysCheapest£302Average£620FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£306Average£626FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest£323Average£694FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Scandinavian AirlinesCheapest£327Average£522FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from United Kingdom to California?

Cheapflights makes it easy to find United Kingdom to California flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to California?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from United Kingdom to California for you. Better yet — we are completely free to use.

Can Cheapflights find flights from United Kingdom to California with no change fees?

Certainly. Search results for flights to California from United Kingdom shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from United Kingdom to California become cheaper?

Yes, Cheapflights offers price alerts on United Kingdom to California flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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