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Cheap flights from London to California from £347

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 4/10. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAX
16 Aug — 23 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to California

Enter your travel dates to find the best prices.

Cheapest flights from London to California
Explore the most affordable flight options available from London to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 July 2026.

Thu 24/906:00
LHR
-
LAX
1 stop15h 05m
Multiple Airlines
Fri 9/1015:40
LAX
-
LHR
Nonstop10h 30m
Multiple Airlines
Deal found 17/7£441
Mon 31/818:35
LGW
-
LAX
1 stop29h 55m
SWISS
Mon 7/919:35
LAX
-
LGW
1 stop14h 15m
SWISS
Deal found 17/7£441
Fri 2/1009:30
LHR
-
LAX
1 stop14h 50m
Lufthansa
Sat 10/1008:15
LAX
-
LHR
1 stop18h 25m
Lufthansa
Deal found 17/7£442
Tue 1/909:25
LGW
-
LAX
1 stop15h 05m
SWISS
Tue 15/919:35
LAX
-
LGW
1 stop14h 15m
SWISS
Deal found 15/7£442
Mon 31/808:40
LHR
-
LAX
1 stop15h 50m
United Airlines
Mon 7/915:35
LAX
-
LHR
Nonstop10h 35m
United Airlines
Deal found 17/7£443
Thu 3/918:40
LGW
-
LAX
1 stop31h 15m
LEVEL
Fri 2/1019:50
LAX
-
LGW
1 stop28h 40m
LEVEL
Deal found 14/7£443
Fri 18/906:00
LHR
-
LAX
1 stop15h 05m
Austrian Airlines
Thu 24/908:15
LAX
-
LHR
1 stop14h 30m
Austrian Airlines
Deal found 16/7£444
Tue 1/909:25
LGW
-
LAX
1 stop15h 05m
SWISS
Tue 8/919:35
LAX
-
LGW
1 stop14h 15m
SWISS
Deal found 14/7£444
Mon 12/1008:40
LHR
-
LAX
1 stop15h 50m
Multiple Airlines
Thu 22/1015:40
LAX
-
LHR
Nonstop10h 30m
Multiple Airlines
Deal found 16/7£444
Wed 2/909:25
LGW
-
LAX
1 stop15h 05m
SWISS
Tue 20/1019:35
LAX
-
LGW
1 stop14h 15m
SWISS
Deal found 17/7£444
Fri 6/1109:00
LHR
-
LAX
1 stop15h 35m
Multiple Airlines
Sun 15/1118:55
LAX
-
LHR
Nonstop10h 35m
Multiple Airlines
Deal found 16/7£445
Tue 25/809:25
LGW
-
LAX
1 stop15h 05m
SWISS
Sat 3/1019:35
LAX
-
LGW
1 stop14h 15m
SWISS
Deal found 16/7£445

Find flight deals from London to California

Keep the following information in mind while searching for London to California flight deals. Data was last updated 17 July 2026.

Round-trip from

£441

One-way from

£347

Popular in

December

Cheapest in

February

Average price

£535

Good round-trip deal

£458 or less

Good one-way deal

£291 or less
Lufthansa
  • Lufthansa
  • 24/9-9/10
  • 1 total stop
  • 25h 35m total
  • London to California
Search Deals
British Airways
  • British Airways
  • 4/10
  • 1 total stop
  • 15h 11m total
  • London to California
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£11 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 London (LON) to California.
Search Deals
Price to beat on a one-way flight from London (LON) to California.
Search Deals

Cheapflights 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, Cheapflights users made 858,174 searches. Data last updated 17 July 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

Cheapest return flight

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 12/11

07:40-15:15

1 stop15h 35m

Los Angeles

Wed 18/11

08:17-06:40

1 stop14h 23m

£444

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 4/9

08:40-16:30

1 stop15h 50m

Los Angeles

Fri 2/4

05:00-09:40

1 stop20h 40m

£462

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 14/12

07:40-15:15

1 stop15h 35m

Los Angeles

Sat 9/1

18:55-13:30

Nonstop10h 35m

£466

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 16/9

09:30-16:20

1 stop14h 50m

Los Angeles

Tue 22/9

09:40-07:25

1 stop13h 45m

£467

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 22/8

13:05-16:10

Nonstop11h 05m

Los Angeles

Sat 12/9

18:45-06:30

2 stops27h 45m

£472

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 13/11

06:30-11:45

1 stop13h 15m

San Francisco

Fri 20/11

06:00-10:00

1 stop20h 00m

£485

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 12/1

10:45-16:12

1 stop13h 27m

Ontario

Wed 27/1

12:00-09:00

1 stop13h 00m

£495

LondonSan Francisco

LCY - SFO

LCYSFO

London City

Wed 9/9

09:15-16:35

1 stop15h 20m

San Francisco

Wed 30/9

14:25-12:35

1 stop14h 10m

£499

LondonSan Francisco

LGW - SFO

LGWSFO

London Gatwick

Mon 23/11

10:00-23:41

2 stops21h 41m

San Francisco

Thu 10/12

15:10-15:45

1 stop16h 35m

£504

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

£504

Flights are sorted by cheapest return flights first.

Deals found on 12/7

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from London to California

Have a flexible travel schedule? Discover the best time to fly to California from London 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 London to California

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

Currently, February is the cheapest month in which you can book a flight from London to California (average of £412). Flying from London to California in December is currently the most expensive (average of £586). 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 LON to CA?

Find hourly flight availability from London 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 17 July 2026.

When flying from London 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 London to California

Explore weekly flight availability from London 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 17 July 2026.

The most flights from LON to USCA are scheduled on a Wednesday (56 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (51 on average).

How much does it cost for a return flight from London to California?

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

The best time to book flights from London to California is 40 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 17 July 2026.
Check out reviews from past customers who have flown with Virgin Atlantic,United Airlines, andNorse Atlantic UK from London to California to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Virgin Atlantic
7.5
Good
693 reviews
Check prices

Entertainment

7.5

Overall

7.5

Crew

8.1

Boarding

7.7

Comfort

7.3

Food

6.9

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
693 reviews
Virgin Atlantic
7.5
Good
693 reviews
Check prices

Entertainment

7.5

Overall

7.5

Crew

8.1

Boarding

7.7

Comfort

7.3

Food

6.9

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
10,006 reviews
Virgin Atlantic
7.5
Good
693 reviews
Check prices

Entertainment

7.5

Overall

7.5

Crew

8.1

Boarding

7.7

Comfort

7.3

Food

6.9

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Norse Atlantic UK
7.2
Good
Virgin Atlantic
7.5
Good
693 reviews
Check prices

Entertainment

7.5

Overall

7.5

Crew

8.1

Boarding

7.7

Comfort

7.3

Food

6.9

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
8,143 reviews
Virgin Atlantic
7.5
Good
693 reviews
Check prices

Entertainment

7.5

Overall

7.5

Crew

8.1

Boarding

7.7

Comfort

7.3

Food

6.9

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
8,122 reviews
Virgin Atlantic
7.5
Good
693 reviews
Check prices

Entertainment

7.5

Overall

7.5

Crew

8.1

Boarding

7.7

Comfort

7.3

Food

6.9

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 London 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 London to California?

    Lufthansa, United Airlines, and Delta can get you from London to California in just under 13h 15m. Your travel time can differ by up to 2h 35m. London and California are separated by a distance of 5350 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    The cheapet airlines for a one-way flight from London to California are WestJet (£169), Norse Atlantic UK (£189), and TAP AIR PORTUGAL (£245).

  • What are the most popular routes from London to California?

    The most popular flight routes from London to California are London Heathrow - Los Angeles, London Heathrow - San Francisco and London Heathrow - Las Vegas Harry Reid Intl.

  • What are the most reliable airlines from London to California?

    No one likes to see their flight delayed. When booking a flight from London to California consider choosing SAUDIA (100%), Royal Jordanian (94%) or Air Canada (92%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from London to California?

    The cheapest flight price from London to California is £308. On average you can expect to pay £3,001. The most popular route, (London Heathrow - Los Angeles), can usually be booked for £345.

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

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

  • How can I find direct flights from London to California?

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

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

    Yes. Cheapflights offers flight deals from London 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 London to California?

    Currently, February is the cheapest month in which you can book a flight from London to California (average of £412). Flying from London to California in December is currently the most expensive (average of £586). 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 London to California

See prices for flight routes from nearby airports that may be better suited for you.
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Heathrow to Newark flights
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Stansted to Orlando flights
Heathrow to Las Vegas flights
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London City to Orlando flights
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Stansted to Boston flights
Heathrow to George Bush Intcntl flights
Edinburgh to Newark flights
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Heathrow to Ontario flights
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Luton to Los Angeles flights
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Top 10 airlines flying from London to California

Discover the top 10 airlines that operate flights from London 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 17 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest£284Average£520FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
SWISSCheapest£295Average£451FlexibilityNo cancel feeOn-time79%
Search SWISS flights
United AirlinesCheapest£302Average£528FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest£319Average£608FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Scandinavian AirlinesCheapest£319Average£462FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Aer LingusCheapest£331Average£663FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Virgin AtlanticCheapest£337Average£540FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Brussels AirlinesCheapest£344Average£502FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
TAP AIR PORTUGALCheapest£350Average£472FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Austrian AirlinesCheapest£355Average£491FlexibilityNo cancel feeOn-time78%
Search Austrian 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 London to California?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to California from London today with Cheapflights!

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to California from London.

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

Need flexible booking options for your flight to California from London? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights offers price alerts on London 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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