Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London to California from £252

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 14/11. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAX
16 Jul — 23 Jul1
1 adult

Cheap flight deals from London to California

Keep the following information in mind while searching for London to California flight deals. Data was last updated 11 July 2025.

Round-trip from

£373

One-way from

£252

Popular in

August

Cheapest in

February

Average price

£583

Good round-trip deal

£379 or less

Good one-way deal

£202 or less
Lufthansa
  • Lufthansa
  • 1/9-14/9
  • 2 total stops
  • 44h 35m total
  • London to California
Search Deals
14/11
  • 14/11
  • 1 total stop
  • 35h 50m total
  • London to California
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£38 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
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

Find flight deals from London to California

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 11 July 2025.

Mon 1/920:25LHR - LAX
1 stop26h 50mLufthansa
Sun 14/914:55LAX - LHR
1 stop17h 45mLufthansa
Deal found 9/7£373
Tue 16/915:05LGW - LAX
1 stop17h 13mBritish Airways
Mon 22/907:00LAX - LGW
1 stop17h 10mBritish Airways
Deal found 10/7£373
Thu 4/916:35LHR - LAX
1 stop30h 00mTAP AIR PORTUGAL
Sun 14/916:40LAX - LHR
1 stop22h 15mTAP AIR PORTUGAL
Deal found 9/7£374
Mon 29/909:50LGW - LAX
Nonstop11h 15mMultiple Airlines
Fri 3/1021:25LAX - LGW
1 stop14h 10mMultiple Airlines
Deal found 9/7£374
Mon 22/908:10LCY - LAX
1 stop16h 20mSWISS
Wed 15/1019:35LAX - LCY
1 stop15h 10mSWISS
Deal found 10/7£375
Thu 28/818:40LHR - LAX
1 stop29h 50mMultiple Airlines
Wed 10/918:40LAX - LHR
1 stop14h 00mMultiple Airlines
Deal found 10/7£375
Mon 6/1016:25LGW - LAX
1 stop30h 15mTAP AIR PORTUGAL
Sat 18/1016:40LAX - LGW
1 stop33h 05mTAP AIR PORTUGAL
Deal found 9/7£375
Thu 2/1006:40LHR - LAX
1 stop17h 40mScandinavian Airlines
Tue 10/320:30LAX - LHR
1 stop14h 10mScandinavian Airlines
Deal found 9/7£378
Sat 6/910:25LGW - LAX
Nonstop11h 15mA.P.G.
Sat 20/915:05LAX - LGW
Nonstop10h 25mA.P.G.
Deal found 9/7£378
Mon 1/917:30LHR - LAX
Nonstop11h 15mVirgin Atlantic
Sun 14/922:50LAX - LHR
Nonstop10h 25mVirgin Atlantic
Deal found 9/7£379
Mon 1/908:45LCY - LAX
1 stop16h 10mLufthansa
Sun 14/918:40LAX - LCY
1 stop15h 55mLufthansa
Deal found 9/7£383
Mon 1/909:30LHR - LAX
1 stop15h 25mUnited Airlines
Sun 14/916:40LAX - LHR
Nonstop10h 30mUnited Airlines
Deal found 9/7£391

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 11 July 2025.
Use the filters below to find and compare flights from London to California that are best for you.

Fly from

London

Fly to

California

Route

Depart

Return

Price

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 1/9

20:25-15:15

1 stop26h 50m

Los Angeles

Sun 14/9

14:55-16:40

1 stop17h 45m

£373

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Tue 16/9

15:05-00:18

1 stop17h 13m

Los Angeles

Mon 22/9

07:00-08:10

1 stop17h 10m

£373

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 4/9

16:35-14:35

1 stop30h 00m

Los Angeles

Sun 14/9

16:40-22:55

1 stop22h 15m

£374

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Mon 29/9

09:50-13:05

Nonstop11h 15m

Los Angeles

Fri 3/10

21:25-19:35

1 stop14h 10m

£374

LondonLos Angeles

LCY - LAX

LCYLAX

London City

Mon 22/9

08:10-16:30

1 stop16h 20m

Los Angeles

Wed 15/10

19:35-18:45

1 stop15h 10m

£375

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 28/8

18:40-16:30

1 stop29h 50m

Los Angeles

Wed 10/9

18:40-16:40

1 stop14h 00m

£375

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Mon 6/10

16:25-14:40

1 stop30h 15m

Los Angeles

Sat 18/10

16:40-09:45

1 stop33h 05m

£375

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 2/10

06:40-16:20

1 stop17h 40m

Los Angeles

Tue 10/3

20:30-17:40

1 stop14h 10m

£378

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Sat 6/9

10:25-13:40

Nonstop11h 15m

Los Angeles

Sat 20/9

15:05-09:30

Nonstop10h 25m

£378

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 1/9

17:30-20:45

Nonstop11h 15m

Los Angeles

Sun 14/9

22:50-17:15

Nonstop10h 25m

£379

Flights are sorted by cheapest return flights first.

Deals found on 9/7

Showing 1-10 of 60 results
1
2
3
...
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, January is the cheapest month in which you can book a flight from London to California (average of £575). Flying from London to California in July is currently the most expensive (average of £811). 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 11 July 2025.

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 11 July 2025.

The most flights from LON to USCA are scheduled on a Monday (57 on average). You will have fewer flight options on Friday, 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?

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 11 July 2025.
Check out reviews from past customers who have flown with Delta, KLM, andAir Transat 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.
Delta
8.0
Very Good
7,951 reviews
Check prices

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,951 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,372 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air Transat
7.8
Good
412 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.6
Good
808 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,312 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Crew

8.5

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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 Vueling (£274), Norse Atlantic UK (£279), and A.P.G. (£281).

  • 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 SriLankan Airlines (94%), KLM (88%) or Air France (88%) 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 £373. On average you can expect to pay £3,448. The most popular route, (London Heathrow - Los Angeles), can usually be booked for £311.

  • 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, January is the cheapest month in which you can book a flight from London to California (average of £575). Flying from London to California in July is currently the most expensive (average of £811). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London to California

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to John F Kennedy Intl flights
Heathrow to Newark flights
Gatwick to John F Kennedy Intl flights
Gatwick to Newark flights
London City to John F Kennedy Intl flights
Heathrow to LaGuardia flights
Stansted to John F Kennedy Intl flights
Gatwick to LaGuardia flights
London City to Newark flights
Luton to John F Kennedy Intl flights
Stansted to Newark flights
Heathrow to Los Angeles flights
Heathrow to Orlando flights
London City to LaGuardia flights
Heathrow to Miami flights
Heathrow to Boston flights
Heathrow to San Francisco flights
Luton to Newark flights
Heathrow to O'Hare Intl flights
Manchester to Orlando flights
Manchester to John F Kennedy Intl flights
Heathrow to Dallas/Fort Worth flights
Heathrow to Las Vegas flights
Heathrow to Dulles Intl flights
Heathrow to Baltimore flights
Heathrow to Seattle flights
Gatwick to Orlando flights
Gatwick to Boston flights
London City to Los Angeles flights
Gatwick to Los Angeles flights
London City to Orlando flights
London City to Miami flights
Heathrow to Tampa flights
Gatwick to Miami flights
Heathrow to Atlanta flights
Gatwick to Stewart flights
Manchester to Newark flights
Luton to Stewart flights
Heathrow to Hobby flights
Heathrow to Denver flights
Manchester to LaGuardia flights
Gatwick to Las Vegas flights
Gatwick to San Francisco flights
Edinburgh to Newark flights
London City to Boston flights
London City to San Francisco flights
Heathrow to Ontario flights
Heathrow to Midway flights
Edinburgh to John F Kennedy Intl flights
Gatwick to O'Hare Intl flights

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 11 July 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£235Average£503FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
SWISSCheapest£274Average£493FlexibilityNo cancel feeOn-time79%
Search SWISS flights
FinnairCheapest£276Average£489FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Norse Atlantic UKCheapest£307Average£515FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
Air FranceCheapest£312Average£465FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£342Average£506FlexibilityNo cancel feeOn-time75%
Search KLM flights
TAP AIR PORTUGALCheapest£344Average£483FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Scandinavian AirlinesCheapest£347Average£536FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Brussels AirlinesCheapest£350Average£478FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
United AirlinesCheapest£353Average£554FlexibilityNo cancel feeOn-time69%
Search United 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights