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Cheap flights from London to California from £169

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 15/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAX
20 Apr — 27 Apr1
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 15 April 2025.

Round-trip from

£351

One-way from

£230

Popular in

August

Cheapest in

February

Average price

£485

Good round-trip deal

£432 or less

Good one-way deal

£209 or less
United Airlines
  • United Airlines
  • 20/5-27/5
  • 3 total stops
  • 33h 27m total
  • London to California
Search Deals
23/5
  • 23/5
  • 1 total stop
  • 32h 52m total
  • London to California
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£42 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 April 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.
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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 15 April 2025.

Fri 2/510:55LGW - LAX
Nonstop11h 15mNorse Atlantic UK
Sun 4/516:30LAX - LGW
Nonstop10h 25mNorse Atlantic UK
Deal found 15/4£276
Wed 7/518:05LGW - LAX
1 stop33h 00mMultiple Airlines
Sun 11/516:30LAX - LGW
Nonstop10h 25mMultiple Airlines
Deal found 15/4£324
Tue 6/508:45LHR - LAX
1 stop15h 45mMultiple Airlines
Sun 11/516:35LAX - LHR
Nonstop10h 35mMultiple Airlines
Deal found 14/4£379
Sat 3/507:30LHR - LAX
1 stop17h 25mLufthansa
Thu 8/516:35LAX - LHR
Nonstop10h 35mLufthansa
Deal found 14/4£382
Wed 30/418:35LGW - LAX
1 stop29h 55mSWISS
Wed 7/519:35LAX - LGW
1 stop14h 20mSWISS
Deal found 13/4£388
Tue 29/415:05LGW - LAX
1 stop26h 11mFinnair
Tue 6/521:55LAX - LGW
1 stop26h 15mFinnair
Deal found 13/4£389
Wed 30/410:30LHR - LAX
1 stop15h 55mBritish Airways
Tue 13/515:40LAX - LHR
Nonstop10h 25mBritish Airways
Deal found 15/4£391
Fri 12/915:05LGW - LAX
1 stop16h 57mAmerican Airlines
Sat 27/922:29LAX - LGW
1 stop25h 21mAmerican Airlines
Deal found 15/4£391
Sat 26/409:55LHR - LAX
Nonstop11h 20mAir France
Wed 30/422:50LAX - LHR
Nonstop10h 25mAir France
Deal found 14/4£393
Thu 24/408:40LHR - LAX
2 stops19h 42mAir Canada
Tue 29/407:45LAX - LHR
2 stops18h 15mAir Canada
Deal found 14/4£394
Fri 2/506:30LHR - LAX
1 stop14h 30mUnited Airlines
Sat 17/513:30LAX - LHR
1 stop13h 55mUnited Airlines
Deal found 15/4£395
Sun 4/510:55LGW - LAX
Nonstop11h 15mA.P.G.
Sun 4/516:30LAX - LGW
Nonstop10h 25mA.P.G.
Deal found 15/4£395

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 15 April 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

LGW - LAX

LGWLAX

London Gatwick

Fri 2/5

10:55-14:10

Nonstop11h 15m

Los Angeles

Sun 4/5

16:30-10:55

Nonstop10h 25m

£276

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Wed 7/5

18:05-19:05

1 stop33h 00m

Los Angeles

Sun 11/5

16:30-10:55

Nonstop10h 25m

£324

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 6/5

08:45-16:30

1 stop15h 45m

Los Angeles

Sun 11/5

16:35-11:10

Nonstop10h 35m

£379

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 3/5

07:30-16:55

1 stop17h 25m

Los Angeles

Thu 8/5

16:35-11:10

Nonstop10h 35m

£382

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Wed 30/4

18:35-16:30

1 stop29h 55m

Los Angeles

Wed 7/5

19:35-17:55

1 stop14h 20m

£388

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Tue 29/4

15:05-09:16

1 stop26h 11m

Los Angeles

Tue 6/5

21:55-08:10

1 stop26h 15m

£389

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 30/4

10:30-18:25

1 stop15h 55m

Los Angeles

Tue 13/5

15:40-10:05

Nonstop10h 25m

£391

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Sat 13/9

14:30-10:00

1 stop27h 30m

Los Angeles

Sun 21/9

22:40-10:10

1 stop27h 30m

£392

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 26/4

09:55-13:15

Nonstop11h 20m

Los Angeles

Wed 30/4

22:50-17:15

Nonstop10h 25m

£393

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 8/5

13:35-17:05

Nonstop11h 30m

Los Angeles

Sun 11/5

22:50-17:15

Nonstop10h 25m

£394

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 60 results
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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 15 April 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 15 April 2025.

The most flights from LON to USCA are scheduled on a Monday (53 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (48 on average).

Rainfall in California by month

Plan your trip to California by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in California ranges from 0.0 - 87.0 inches per month. February is typically the wettest month, when rainfall can reach 87.0 mm. July is typically the driest time to visit California when rainfall is around 0.0 mm.

Temperature in California by month

Plan your trip to California by taking into account the average temperature totals by month.

If weather is an important factor for your trip to California, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

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 15 April 2025.
Read reviews from past customers who have flown Delta, Air New Zealand and Alaska Airlines from London to California. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,917 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

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
7,917 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

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 New Zealand
8.0
Very Good
464 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

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
Alaska Airlines
8.0
Very Good
9,871 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

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
1,323 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

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
385 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

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 TAP AIR PORTUGAL (£286), A.P.G. (£289), and Norse Atlantic UK (£307).

  • 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 United Airlines (94%), KLM (90%) or Air Canada (89%) 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 £380. On average you can expect to pay £1,708. The most popular route, (London Heathrow - Los Angeles), can usually be booked for £370.

  • 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

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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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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 15 April 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£242Average£507FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest£284Average£488FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Norse Atlantic UKCheapest£298Average£535FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
Air FranceCheapest£322Average£437FlexibilityNo cancel feeOn-time77%
Search Air France flights
SWISSCheapest£333Average£474FlexibilityNo cancel feeOn-time79%
Search SWISS flights
TAP AIR PORTUGALCheapest£352Average£494FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
KLMCheapest£353Average£532FlexibilityNo cancel feeOn-time75%
Search KLM flights
Scandinavian AirlinesCheapest£361Average£537FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Austrian AirlinesCheapest£363Average£496FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Brussels AirlinesCheapest£366Average£518FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights

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How does Cheapflights help users find flights from London to California?

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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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