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Cheap flights from London Heathrow Airport to California from £254

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAX
23 Jul — 30 Jul1
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 18 July 2025.

Round-trip from

£380

One-way from

£254

Popular in

August

Cheapest in

February

Average price

£600

Good round-trip deal

£451 or less

Good one-way deal

£583 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 5/9-21/9
  • 2 total stops
  • 35h 50m total
  • London to California
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15/10
  • 15/10
  • 1 total stop
  • 29h 15m total
  • London to California
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£40 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
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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 18 July 2025.

Fri 5/906:40LHR - LAX
1 stop17h 40mScandinavian Airlines
Sun 21/919:30LAX - LHR
1 stop18h 10mScandinavian Airlines
Deal found 17/7£380
Mon 10/1118:30LHR - LAX
1 stop28h 30mTAP AIR PORTUGAL
Sat 22/1116:45LAX - LHR
1 stop18h 10mTAP AIR PORTUGAL
Deal found 18/7£382
Fri 29/806:00LHR - LAX
1 stop18h 30mMultiple Airlines
Fri 12/916:40LAX - LHR
Nonstop10h 30mMultiple Airlines
Deal found 18/7£386
Mon 1/907:25LHR - LAX
1 stop15h 50mLufthansa
Sat 13/916:40LAX - LHR
Nonstop10h 30mLufthansa
Deal found 17/7£392
Thu 21/808:40LHR - LAX
1 stop15h 50mSWISS
Sat 6/919:35LAX - LHR
1 stop28h 20mSWISS
Deal found 16/7£394
Sat 6/919:30LHR - LAX
1 stop25h 35mAustrian Airlines
Mon 22/916:40LAX - LHR
Nonstop10h 30mAustrian Airlines
Deal found 16/7£399
Fri 26/906:30LHR - LAX
1 stop14h 30mUnited Airlines
Wed 8/1005:31LAX - LHR
1 stop18h 09mUnited Airlines
Deal found 17/7£400
Mon 3/1108:55LHR - LAX
2 stops19h 55mAir Canada
Sat 15/1114:10LAX - LHR
1 stop13h 40mAir Canada
Deal found 18/7£402
Sat 6/917:30LHR - LAX
Nonstop11h 15mAir France
Mon 22/922:50LAX - LHR
Nonstop10h 25mAir France
Deal found 16/7£403
Wed 3/914:15LHR - SFO
Nonstop11h 10mBritish Airways
Wed 1/1016:30SFO - LHR
Nonstop10h 25mBritish Airways
Deal found 16/7£405
Sun 24/809:30LHR - SFO
2 stops19h 21mFinnair
Tue 9/908:00SFO - LHR
1 stop18h 50mFinnair
Deal found 16/7£406
Sun 5/1015:40LHR - ONT
1 stop14h 07mBritish Airways
Sun 19/1016:49ONT - LHR
1 stop12h 01mBritish Airways
Deal found 16/7£406

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 18 July 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

Fri 5/9

06:40-16:20

1 stop17h 40m

Los Angeles

Sun 21/9

19:30-21:40

1 stop18h 10m

£380

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 10/11

18:30-15:00

1 stop28h 30m

Los Angeles

Sat 22/11

16:45-18:55

1 stop18h 10m

£382

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 29/8

06:00-16:30

1 stop18h 30m

Los Angeles

Fri 12/9

16:40-11:10

Nonstop10h 30m

£386

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 1/9

07:25-15:15

1 stop15h 50m

Los Angeles

Sat 13/9

16:40-11:10

Nonstop10h 30m

£392

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 21/8

08:40-16:30

1 stop15h 50m

Los Angeles

Sat 6/9

19:35-07:55

1 stop28h 20m

£394

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 6/9

19:30-13:05

1 stop25h 35m

Los Angeles

Mon 22/9

16:40-11:10

Nonstop10h 30m

£399

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 26/9

06:30-13:00

1 stop14h 30m

Los Angeles

Wed 8/10

05:31-07:40

1 stop18h 09m

£400

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 3/11

08:55-20:50

2 stops19h 55m

Los Angeles

Sat 15/11

14:10-11:50

1 stop13h 40m

£402

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 6/9

17:30-20:45

Nonstop11h 15m

Los Angeles

Mon 22/9

22:50-17:15

Nonstop10h 25m

£403

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 3/9

14:15-17:25

Nonstop11h 10m

San Francisco

Wed 17/9

16:30-10:55

Nonstop10h 25m

£405

Flights are sorted by cheapest return flights first.

Deals found on 18/7

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 18 July 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 18 July 2025.

The most flights from LHR to USCA are scheduled on a Monday (56 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (56 on average).

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 18 July 2025.
Get a feel of what it's like to fly with Delta, Alaska Airlines, andKLM from London Heathrow Airport to California by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,958 reviews
Check prices

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

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
7,958 reviews
Delta
8.0
Very Good
7,958 reviews
Check prices

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

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
10,000 reviews
Delta
8.0
Very Good
7,958 reviews
Check prices

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

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
1,374 reviews
Delta
8.0
Very Good
7,958 reviews
Check prices

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

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
7.6
Good
816 reviews
Delta
8.0
Very Good
7,958 reviews
Check prices

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

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
1,316 reviews
Delta
8.0
Very Good
7,958 reviews
Check prices

Crew

8.5

Entertainment

7.9

Comfort

7.9

Food

7.3

Overall

8.0

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 £289 on Vueling. Other airlines that offer cheap prices include JetBlue from £291 and Aer Lingus from £369 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: KLM (86%), Air France (86%), Delta( 86%).

  • 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 £2,065, our data indicates the cheapest price to be £386. The most popular route (London Heathrow - Los Angeles), is priced around £340.

  • 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

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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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London City to Dallas/Fort Worth flights
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Heathrow to Reagan-National flights
Gatwick to San Francisco flights
Gatwick to O'Hare Intl flights
London City to Dulles Intl flights
Stansted to Stewart flights
London City to O'Hare Intl flights
Heathrow to Ontario flights
Heathrow to Midway flights
Gatwick to Reagan-National flights
London City to San Francisco 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 18 July 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£238Average£526FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
SWISSCheapest£278Average£386FlexibilityNo cancel feeOn-time79%
Search SWISS flights
FinnairCheapest£280Average£506FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Air FranceCheapest£316Average£471FlexibilityNo cancel feeOn-time77%
Search Air France flights
Norse Atlantic UKCheapest£336Average£539FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
United AirlinesCheapest£338Average£563FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
TAP AIR PORTUGALCheapest£349Average£503FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Scandinavian AirlinesCheapest£351Average£541FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Brussels AirlinesCheapest£355Average£482FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Austrian AirlinesCheapest£359Average£490FlexibilityNo cancel feeOn-time78%
Search Austrian 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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