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Cheap flights from London Heathrow Airport to California from £253

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.
LHR — LAX
20 Apr — 27 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 15 April 2025.

Round-trip from

£379

One-way from

£253

Popular in

August

Cheapest in

February

Average price

£485

Good round-trip deal

£432 or less

Good one-way deal

£520 or less
Lufthansa
  • Lufthansa
  • 6/5-11/5
  • 1 total stop
  • 26h 20m total
  • London to California
Search Deals
15/5
  • 15/5
  • 2 total stops
  • 40h 23m 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 Heathrow to California.
Search Deals
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 15 April 2025.

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
Thu 11/908:40LHR - SNA
2 stops35h 43mAir Canada
Thu 18/913:25SNA - LHR
2 stops33h 05mAir Canada
Deal found 14/4£390
Wed 30/410:30LHR - LAX
1 stop15h 55mBritish Airways
Tue 13/515:40LAX - LHR
Nonstop10h 25mBritish Airways
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
Mon 12/508:40LHR - SNA
2 stops19h 03mUnited Airlines
Mon 19/519:00SNA - LHR
2 stops17h 40mUnited Airlines
Deal found 14/4£394
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
Sat 17/511:25LHR - SFO
2 stops20h 42mUnited Airlines
Sat 14/605:15SFO - LHR
1 stop18h 25mUnited Airlines
Deal found 14/4£396
Fri 2/506:00LHR - LAX
2 stops22h 10mSWISS
Sun 4/519:35LAX - LHR
1 stop14h 15mSWISS
Deal found 14/4£396
Sun 11/506:00LHR - SFO
1 stop18h 25mMultiple Airlines
Thu 22/513:00SFO - LHR
Nonstop10h 25mMultiple Airlines
Deal found 14/4£397
Thu 15/513:35LHR - LAX
Nonstop11h 30mVirgin Atlantic
Thu 22/522:50LAX - LHR
Nonstop10h 25mVirgin Atlantic
Deal found 15/4£398

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 15 April 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 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

LondonSanta Ana

LHR - SNA

LHRSNA

London Heathrow

Thu 11/9

08:40-12:23

2 stops35h 43m

Santa Ana J. Wayne/Orange Cnty

Thu 18/9

13:25-06:30

2 stops33h 05m

£390

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

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

LondonSanta Ana

LHR - SNA

LHRSNA

London Heathrow

Mon 12/5

08:40-19:43

2 stops19h 03m

Santa Ana J. Wayne/Orange Cnty

Mon 19/5

19:00-20:40

2 stops17h 40m

£394

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

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 2/5

06:30-13:00

1 stop14h 30m

Los Angeles

Sat 17/5

13:30-11:25

1 stop13h 55m

£395

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sun 11/5

06:00-16:25

1 stop18h 25m

San Francisco

Thu 22/5

19:50-14:10

Nonstop10h 20m

£397

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 9/5

08:40-19:50

2 stops19h 10m

Los Angeles

Sun 11/5

08:05-11:50

2 stops19h 45m

£397

Flights are sorted by cheapest return flights first.

Deals found on 14/4

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 15 April 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.

Weekly flight availability from London Heathrow Airport to California

Explore weekly flight availability from Heathrow 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 LHR to USCA are scheduled on a Friday (54 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (52 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.
Get a feel of what it's like to fly with Delta, Air New Zealand and Alaska Airlines 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
7,917 reviews
Check prices

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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
1,269 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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 £286 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include Lufthansa from £334 and Vueling from £353 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 - San Francisco or London Heathrow - Las Vegas Harry Reid Intl 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: United Airlines (94%), KLM (90%), Air Canada( 89%).

  • 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 £1,708, our data indicates the cheapest price to be £380. The most popular route (London Heathrow - Los Angeles), is priced around £370.

  • 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

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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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Stansted to Boston flights
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Gatwick to San Francisco flights
Heathrow to Detroit flights
Gatwick to Los Angeles flights
Gatwick to O'Hare Intl flights
London City to O'Hare Intl flights
Heathrow to Ontario flights
Heathrow to Reagan-National flights
Heathrow to Midway flights
London City to Las Vegas flights

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 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£546FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
Air FranceCheapest£322Average£437FlexibilityNo cancel feeOn-time77%
Search Air France flights
SWISSCheapest£333Average£407FlexibilityNo cancel feeOn-time79%
Search SWISS flights
TAP AIR PORTUGALCheapest£354Average£508FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL 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
KLMCheapest£366Average£536FlexibilityNo cancel feeOn-time75%
Search KLM 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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