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Cheap flights from London Heathrow Airport to California from £237

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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAX
30 Mar — 6 Apr1
1 adult

Cheap flight deals from Heathrow to California

Keep the following information in mind while searching for Heathrow to California flight deals. Data was last updated 25 March 2025.

Round-trip from

£387

One-way from

£244

Popular in

August

Cheapest in

February

Average price

£462

Good round-trip deal

£430 or less

Good one-way deal

£488 or less
Lufthansa
  • Lufthansa
  • 22/4-29/4
  • 2 total stops
  • 29h 21m total
  • London to California
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3/5
  • 3/5
  • 2 total stops
  • 29h 55m 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 Heathrow to California.
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Price to beat on a one-way flight from London Heathrow to California.
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Find flight deals from Heathrow to California

Cheapest flights from Heathrow to California
Explore the most affordable flight options available from Heathrow to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 March 2025.

Tue 22/407:25LHR - LAX
1 stop15h 50mLufthansa
Tue 29/414:14LAX - LHR
1 stop13h 31mLufthansa
Deal found 25/3£387
Wed 23/412:00LHR - LAX
1 stop14h 25mBritish Airways
Wed 14/521:30LAX - LHR
Nonstop10h 35mBritish Airways
Deal found 24/3£388
Fri 9/519:30LHR - LAX
1 stop25h 35mAustrian Airlines
Fri 16/516:35LAX - LHR
Nonstop10h 35mAustrian Airlines
Deal found 25/3£389
Thu 8/508:40LHR - LAX
1 stop15h 50mUnited Airlines
Thu 15/508:40LAX - LHR
1 stop17h 45mUnited Airlines
Deal found 24/3£391
Fri 9/508:40LHR - LAX
2 stops19h 10mAir Canada
Mon 12/512:20LAX - LHR
1 stop17h 00mAir Canada
Deal found 24/3£391
Fri 25/408:40LHR - LAX
1 stop15h 50mMultiple Airlines
Wed 30/408:20LAX - LHR
1 stop14h 00mMultiple Airlines
Deal found 24/3£392
Thu 8/508:40LHR - SNA
2 stops19h 03mUnited Airlines
Thu 15/507:25SNA - LHR
1 stop16h 00mUnited Airlines
Deal found 24/3£394
Sun 4/506:30LHR - LAX
1 stop16h 20mDelta
Mon 19/522:55LAX - LHR
1 stop13h 05mDelta
Deal found 24/3£397
Mon 21/407:25LHR - SFO
1 stop15h 10mLufthansa
Mon 28/412:55SFO - LHR
Nonstop10h 30mLufthansa
Deal found 24/3£399
Wed 23/408:40LHR - SFO
1 stop15h 30mMultiple Airlines
Wed 30/419:40SFO - LHR
Nonstop10h 30mMultiple Airlines
Deal found 24/3£400
Thu 24/411:15LHR - ONT
1 stop15h 05mBritish Airways
Thu 1/514:44ONT - LHR
1 stop15h 41mBritish Airways
Deal found 24/3£404
Mon 12/510:20LHR - LAX
1 stop14h 45mAmerican Airlines
Sun 18/512:39LAX - LHR
1 stop13h 56mAmerican Airlines
Deal found 25/3£404

Cheapflights Fare Finder

Customise your flight search to find flights from Heathrow 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 25 March 2025.
Use the filters below to find and compare flights from London Heathrow Airport to California that are best for you.

Fly from

Heathrow

Fly to

California

Route

Depart

Return

Price

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 22/4

07:25-15:15

1 stop15h 50m

Los Angeles

Tue 29/4

14:14-11:45

1 stop13h 31m

£387

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 23/4

12:00-18:25

1 stop14h 25m

Los Angeles

Wed 14/5

21:30-16:05

Nonstop10h 35m

£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

Thu 8/5

08:40-16:30

1 stop15h 50m

Los Angeles

Thu 15/5

16:15-14:10

1 stop13h 55m

£391

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 9/5

08:40-19:50

2 stops19h 10m

Los Angeles

Mon 12/5

12:20-13:20

1 stop17h 00m

£391

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 25/4

08:40-16:30

1 stop15h 50m

Los Angeles

Wed 30/4

16:35-11:10

Nonstop10h 35m

£392

LondonSanta Ana

LHR - SNA

LHRSNA

London Heathrow

Thu 8/5

08:40-19:43

2 stops19h 03m

Santa Ana J. Wayne/Orange Cnty

Thu 15/5

07:25-07:25

1 stop16h 00m

£394

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

£397

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 21/4

07:25-14:35

1 stop15h 10m

San Francisco

Mon 28/4

12:55-07:25

Nonstop10h 30m

£399

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 23/4

08:40-16:10

1 stop15h 30m

San Francisco

Wed 30/4

19:40-14:10

Nonstop10h 30m

£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 Heathrow to California

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

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

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to California (average of £575). Flying from London Heathrow Airport 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 LHR to CA?

Find hourly flight availability from Heathrow 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 25 March 2025.

When flying from London Heathrow Airport 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 25 March 2025.
Get a feel of what it's like to fly with Delta, Air New Zealand and KLM from London to California by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,890 reviews
Check prices

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
7,890 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
455 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
1,318 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
1,266 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
7.5
Good
769 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

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 Heathrow 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 Heathrow Airport to California one-way?

    One-way options have recently been found by users for as low as £288 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Vueling from £289 and Aer Lingus from £378 one-way.

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

    When deciding which route to take from London Heathrow Airport to California consider London Heathrow - Los Angeles, London Heathrow - Las Vegas Harry Reid Intl or London Heathrow - San Francisco as they are the most popular.

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

    Before booking your flight to California from London Heathrow Airport, check out the most reliable airlines to get you to your destination on time: SriLankan Airlines (96%), Fiji Airways (92%), Malaysia Airlines( 92%).

  • What are the cheapest flights from London Heathrow Airport to California?

    Looking for the cheapest flight from London Heathrow Airport to California? While on average our users pay £1,996, our data indicates the cheapest price to be £383. The most popular route (London Heathrow - Los Angeles), is priced around £345.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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 Heathrow Airport to California?

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to California (average of £575). Flying from London Heathrow Airport 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 Heathrow to California

See prices for flight routes from nearby airports that may be better suited for you.
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London City to Las Vegas flights
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Gatwick to Los Angeles flights
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Top 10 airlines flying from Heathrow to California

Discover the top 10 airlines that operate flights from Heathrow 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 25 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£541FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
Air FranceCheapest£328Average£446FlexibilityNo cancel feeOn-time77%
Search Air France flights
TAP AIR PORTUGALCheapest£361Average£513FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
SWISSCheapest£361Average£521FlexibilityNo 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
KLMCheapest£382Average£578FlexibilityNo cancel feeOn-time75%
Search KLM flights
Brussels AirlinesCheapest£384Average£541FlexibilityNo cancel feeOn-timeN/A
Search Brussels 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 Heathrow to California?

Cheapflights helps you search for flights from Heathrow to California via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights simply makes it quick and affordable to book flights from Heathrow to California by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from Heathrow to California, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to California from Heathrow today and book when prices fit your budget.

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