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Cheap flights from the United Kingdom to California from £377

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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAX
22 Jun — 29 Jun1
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 23 May 2026.

Wed 10/616:55
LHR
-
LAX
Nonstop11h 20m
British Airways
Mon 20/716:15
LAX
-
LHR
Nonstop10h 35m
British Airways
Deal found 18/5£474
Wed 19/810:20
LHR
-
LAX
1 stop14h 50m
British Airways
Sun 23/815:15
LAX
-
LHR
1 stop22h 25m
British Airways
Deal found 18/5£475
Mon 17/816:55
LHR
-
LAX
Nonstop11h 20m
British Airways
Wed 26/813:30
LAX
-
LHR
1 stop13h 00m
British Airways
Deal found 18/5£476
Mon 15/608:20
LHR
-
LAX
Nonstop11h 10m
British Airways
Mon 29/620:55
LAX
-
LHR
Nonstop10h 30m
British Airways
Deal found 18/5£477
Sat 12/907:25
LHR
-
LAX
1 stop15h 50m
Lufthansa
Sat 7/1108:30
LAX
-
LHR
1 stop13h 25m
Lufthansa
Deal found 18/5£478
Wed 10/616:55
LHR
-
LAX
Nonstop11h 20m
Iberia
Mon 20/710:30
LAX
-
LHR
1 stop14h 30m
Iberia
Deal found 18/5£479
Mon 24/815:05
LHR
-
LAX
Nonstop11h 15m
Finnair
Mon 7/915:50
LAX
-
LHR
Nonstop10h 25m
Finnair
Deal found 18/5£480
Wed 29/715:15
LHR
-
LAX
1 stop17h 14m
Delta
Sat 8/812:31
LAX
-
LHR
1 stop16h 34m
Delta
Deal found 18/5£481
Tue 10/1109:15
LCY
-
LAX
1 stop15h 20m
SWISS
Tue 24/1119:10
LAX
-
LCY
1 stop13h 55m
SWISS
Deal found 19/5£482
Thu 24/909:30
LHR
-
LAX
1 stop14h 50m
United Airlines
Thu 1/1013:15
LAX
-
LHR
1 stop14h 20m
United Airlines
Deal found 19/5£482
Tue 8/909:25
LGW
-
LAX
1 stop15h 05m
SWISS
Wed 16/919:35
LAX
-
LGW
1 stop14h 20m
SWISS
Deal found 19/5£482
Thu 3/920:05
LHR
-
LAX
1 stop28h 25m
SWISS
Sat 12/915:40
LAX
-
LHR
Nonstop10h 30m
SWISS
Deal found 19/5£482

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 23 May 2026.

Round-trip from

£474

One-way from

£377

Popular in

December

Cheapest in

September

Average price

£479

Good round-trip deal

£523 or less

Good one-way deal

£293 or less
British Airways
  • British Airways
  • 10/6-20/7
  • Nonstop
  • 21h 55m total
  • United Kingdom to California
Search Deals
2/10
  • 2/10
  • 3 total stops
  • 38h 24m total
  • United Kingdom to California
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£15 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 23 May 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

Fri 28/8

06:00-14:35

1 stop16h 35m

Los Angeles Los Angeles

Fri 25/9

16:40-17:45

1 stop17h 05m

£490

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 25/9

13:05-16:25

Nonstop11h 20m

Los Angeles Los Angeles

Fri 20/11

12:10-11:50

1 stop15h 40m

£506

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Mon 7/9

09:10-18:55

1 stop17h 45m

Los Angeles Los Angeles

Sat 12/9

20:55-10:15

1 stop29h 20m

£509

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 2/11

07:05-17:00

2 stops17h 55m

Los Angeles Los Angeles

Fri 13/11

19:30-09:35

2 stops30h 05m

£527

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Sat 7/11

10:00-21:45

2 stops19h 45m

Los Angeles Los Angeles

Sun 15/11

06:30-09:00

2 stops18h 30m

£541

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 5/6

06:30-14:45

1 stop16h 15m

Los Angeles Los Angeles

Mon 8/6

14:00-15:35

1 stop17h 35m

£543

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 14/9

06:30-16:13

2 stops17h 43m

Los Angeles Los Angeles

Sun 8/11

21:50-06:25

1 stop24h 35m

£544

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Wed 9/9

16:25-14:30

1 stop30h 05m

San Francisco

Tue 15/9

19:20-09:45

2 stops30h 25m

£546

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Thu 27/8

19:50-14:40

2 stops26h 50m

San Francisco

Mon 7/9

16:45-18:50

2 stops18h 05m

£548

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 22/9

19:50-14:40

2 stops26h 50m

San Francisco

Tue 29/9

16:45-16:25

2 stops15h 40m

£548

Flights are sorted by cheapest return flights first.

Deals found on 18/5

Showing 1-10 of 60 resultsSorted by cheapest first
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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, September is the cheapest month in which you can book a flight from United Kingdom to California (average of £440). Flying from United Kingdom to California in December is currently the most expensive (average of £608). 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 23 May 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 23 May 2026.

The most flights from GB0 to USCA are scheduled on a Monday (53 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (53 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 88 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 23 May 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
689 reviews
Check prices

Entertainment

7.5

Food

6.9

Comfort

7.3

Overall

7.5

Boarding

7.7

Crew

8.1

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
689 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Entertainment

7.5

Food

6.9

Comfort

7.3

Overall

7.5

Boarding

7.7

Crew

8.1

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
9,752 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Entertainment

7.5

Food

6.9

Comfort

7.3

Overall

7.5

Boarding

7.7

Crew

8.1

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
1,580 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Entertainment

7.5

Food

6.9

Comfort

7.3

Overall

7.5

Boarding

7.7

Crew

8.1

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
8,023 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Entertainment

7.5

Food

6.9

Comfort

7.3

Overall

7.5

Boarding

7.7

Crew

8.1

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
7,997 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Entertainment

7.5

Food

6.9

Comfort

7.3

Overall

7.5

Boarding

7.7

Crew

8.1

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?

    TAP AIR PORTUGAL, United Airlines, and LEVEL can get you from United Kingdom to California in just under 11h 20m. Your travel time can differ by up to 6h 25m. 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 £170. Norse Atlantic UK flights start at £180 while deals on LEVEL start at £194 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, September is the cheapest month in which you can book a flight from United Kingdom to California (average of £440). Flying from United Kingdom to California in December is currently the most expensive (average of £608). 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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Heathrow to Baltimore flights
Heathrow to O'Hare Intl flights
Heathrow to San Francisco flights
Gatwick to Boston flights
Manchester to Orlando flights
London City to Newark flights
Heathrow to Las Vegas flights
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Heathrow to Dallas/Fort Worth flights
Gatwick to Orlando flights
Heathrow to Atlanta flights
Stansted to LaGuardia flights
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Stansted to Orlando flights
Heathrow to Hobby flights
Gatwick to Miami flights
Stansted to Los Angeles flights
London City to Los Angeles flights
Manchester to Newark flights
London City to Boston flights
Stansted to Miami flights
Gatwick to San Francisco flights
Heathrow to Reagan-National flights
London City to Miami flights
Gatwick to Dulles Intl flights
Stansted to Dulles Intl flights
Stansted to San Francisco flights
Manchester to LaGuardia flights
London City to Dulles Intl flights
Stansted to Boston flights
Heathrow to Philadelphia flights
Heathrow to George Bush Intcntl flights
London City to San Francisco 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 23 May 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest£170Average£540FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Air FranceCheapest£236Average£632FlexibilityNo cancel feeOn-time77%
Search Air France flights
Norse Atlantic UKCheapest£255Average£481FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
SWISSCheapest£296Average£526FlexibilityNo cancel feeOn-time79%
Search SWISS flights
DeltaCheapest£320Average£672FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Scandinavian AirlinesCheapest£321Average£492FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Brussels AirlinesCheapest£334Average£478FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Air CanadaCheapest£335Average£566FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Austrian AirlinesCheapest£350Average£487FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
TAP AIR PORTUGALCheapest£352Average£489FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL 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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