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Cheap flights from London to California from £218

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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAX
31 Mar — 7 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 26 March 2025.

Round-trip from

£387

One-way from

£218

Popular in

August

Cheapest in

February

Average price

£461

Good round-trip deal

£429 or less

Good one-way deal

£236 or less
KLM
  • KLM
  • 24/4-1/5
  • Nonstop
  • 21h 55m total
  • London to California
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11/5
  • 11/5
  • 1 total stop
  • 21h 21m total
  • London to California
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£44 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
Search Deals
Price to beat on a round-trip flight from London (LON) to California.
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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 26 March 2025.

Thu 24/413:35LHR - LAX
Nonstop11h 30mKLM
Thu 1/522:50LAX - LHR
Nonstop10h 25mKLM
Deal found 26/3£387
Mon 21/408:15LHR - LAX
1 stop18h 10mBritish Airways
Mon 28/413:20LAX - LHR
Nonstop10h 40mBritish Airways
Deal found 25/3£388
Fri 9/519:30LHR - LAX
1 stop25h 35mAustrian Airlines
Fri 16/516:35LAX - LHR
Nonstop10h 35mAustrian Airlines
Deal found 24/3£389
Fri 9/508:40LHR - LAX
1 stop15h 50mUnited Airlines
Fri 16/507:08LAX - LHR
1 stop19h 17mUnited Airlines
Deal found 24/3£390
Fri 25/408:40LHR - LAX
1 stop15h 50mMultiple Airlines
Fri 2/513:15LAX - LHR
1 stop13h 25mMultiple Airlines
Deal found 26/3£391
Thu 1/507:25LHR - LAX
1 stop15h 50mLufthansa
Thu 8/513:15LAX - LHR
1 stop13h 25mLufthansa
Deal found 26/3£393
Fri 25/408:40LHR - LAX
2 stops19h 42mAir Canada
Sat 10/508:05LAX - LHR
2 stops19h 45mAir Canada
Deal found 26/3£396
Sun 4/506:30LHR - LAX
1 stop16h 20mDelta
Mon 19/522:50LAX - LHR
Nonstop10h 25mDelta
Deal found 25/3£398
Mon 28/416:25LHR - SFO
Nonstop11h 05mAir France
Tue 20/521:20SFO - LHR
Nonstop10h 20mAir France
Deal found 25/3£400
Fri 2/508:40LHR - SFO
1 stop15h 30mMultiple Airlines
Fri 9/508:15SFO - LHR
1 stop14h 15mMultiple Airlines
Deal found 26/3£400
Tue 23/910:20LHR - LAX
1 stop14h 00mScandinavian Airlines
Tue 14/1019:30LAX - LHR
1 stop14h 10mScandinavian Airlines
Deal found 25/3£400
Fri 9/518:40LHR - SFO
1 stop29h 50mScandinavian Airlines
Sun 18/519:40SFO - LHR
1 stop14h 00mScandinavian Airlines
Deal found 26/3£401

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 26 March 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

Thu 24/4

13:35-17:05

Nonstop11h 30m

Los Angeles

Thu 1/5

22:50-17:15

Nonstop10h 25m

£387

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 21/4

08:15-18:25

1 stop18h 10m

Los Angeles

Mon 28/4

13:20-08:00

Nonstop10h 40m

£388

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 9/5

19:30-13:05

1 stop25h 35m

Los Angeles

Fri 16/5

16:35-11:10

Nonstop10h 35m

£389

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 9/5

08:40-16:30

1 stop15h 50m

Los Angeles

Fri 16/5

13:25-10:25

1 stop13h 00m

£390

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 25/4

08:40-16:30

1 stop15h 50m

Los Angeles

Fri 2/5

13:15-10:40

1 stop13h 25m

£391

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 1/5

07:25-15:15

1 stop15h 50m

Los Angeles

Thu 8/5

13:15-10:40

1 stop13h 25m

£393

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 25/4

08:40-20:22

2 stops19h 42m

Los Angeles

Sat 10/5

08:05-11:50

2 stops19h 45m

£396

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 4/5

06:30-14:50

1 stop16h 20m

Los Angeles

Mon 19/5

22:50-17:15

Nonstop10h 25m

£398

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 28/4

16:25-19:30

Nonstop11h 05m

San Francisco

Tue 20/5

21:20-15:40

Nonstop10h 20m

£400

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 2/5

08:40-16:10

1 stop15h 30m

San Francisco

Fri 9/5

08:15-06:30

1 stop14h 15m

£400

Flights are sorted by cheapest return flights first.

Deals found on 25/3

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 26 March 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.

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 26 March 2025.
Read reviews from past customers who have flown Delta, Air New Zealand and KLM 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
7,891 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

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
7,891 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

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
7.9
Good
456 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

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
1,319 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

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
381 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

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
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very Good
7,891 reviews
Check prices

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

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 (£289), Vueling (£292), and WestJet (£316).

  • 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 (96%), Fiji Airways (92%) or Malaysia Airlines (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 £382. On average you can expect to pay £1,995. The most popular route, (London Heathrow - Los Angeles), can usually be booked for £73.

  • 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.
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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 26 March 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£247Average£528FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest£289Average£495FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Norse Atlantic UKCheapest£303Average£540FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
Air FranceCheapest£327Average£446FlexibilityNo cancel feeOn-time77%
Search Air France flights
TAP AIR PORTUGALCheapest£358Average£500FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
KLMCheapest£359Average£566FlexibilityNo cancel feeOn-time75%
Search KLM flights
SWISSCheapest£361Average£504FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Scandinavian AirlinesCheapest£367Average£529FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Austrian AirlinesCheapest£369Average£507FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Brussels AirlinesCheapest£384Average£541FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights

Fly with Cheapflights

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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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