Cheap flights from London Heathrow Airport to California from £234

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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAX
3 Sep — 10 Sep1
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 29 August 2025.

Round-trip from

£360

One-way from

£234

Popular in

December

Cheapest in

September

Average price

£576

Good round-trip deal

£424 or less

Good one-way deal

£498 or less
British Airways
  • British Airways
  • 11/11-18/11
  • 3 total stops
  • 35h 27m total
  • London to California
LEVEL
  • LEVEL
  • 3/12
  • 1 total stop
  • 32h 20m total
  • London to California
Highest demand for flights based on searches. 3% potential increase in price (£12 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Average for round-trip flights in August 2025
Price to beat on a round-trip flight from London Heathrow to California.
Price to beat on a one-way flight from London Heathrow to California.

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 29 August 2025.

Tue 11/1107:30LHR - ONT
2 stops22h 59mBritish Airways
Tue 18/1116:47ONT - LHR
1 stop12h 28mBritish Airways
Deal found 28/8£360
Tue 16/909:55LHR - LAX
Nonstop11h 20mVirgin Atlantic
Thu 25/920:05LAX - LHR
Nonstop10h 30mVirgin Atlantic
Deal found 28/8£369
Thu 4/906:30LHR - LAX
1 stop14h 30mUnited Airlines
Mon 15/916:13LAX - LHR
1 stop12h 07mUnited Airlines
Deal found 28/8£369
Thu 11/908:40LHR - LAX
2 stops19h 00mAir Canada
Sat 27/912:05LAX - LHR
1 stop13h 30mAir Canada
Deal found 28/8£370
Fri 12/908:40LHR - LAX
1 stop15h 50mMultiple Airlines
Sat 20/916:40LAX - LHR
Nonstop10h 30mMultiple Airlines
Deal found 27/8£371
Wed 3/912:00LHR - SNA
1 stop16h 13mBritish Airways
Wed 10/916:42SNA - LHR
1 stop13h 43mBritish Airways
Deal found 27/8£372
Sat 6/917:30LHR - LAX
Nonstop11h 15mVirgin Atlantic
Mon 22/922:50LAX - LHR
Nonstop10h 25mVirgin Atlantic
Deal found 27/8£372
Sat 20/919:50LHR - LAX
1 stop26h 35mTAP AIR PORTUGAL
Fri 3/1016:40LAX - LHR
1 stop17h 05mTAP AIR PORTUGAL
Deal found 27/8£372
Sat 20/908:30LHR - LAX
1 stop16h 25mUnited Airlines
Fri 3/1008:05LAX - LHR
1 stop17h 30mUnited Airlines
Deal found 28/8£373
Sun 14/906:30LHR - LAX
1 stop14h 30mMultiple Airlines
Wed 24/916:40LAX - LHR
Nonstop10h 30mMultiple Airlines
Deal found 28/8£374
Fri 26/906:00LHR - LAX
1 stop15h 05mMultiple Airlines
Sun 5/1018:40LAX - LHR
1 stop14h 00mMultiple Airlines
Deal found 28/8£375
Wed 3/909:40LHR - SNA
2 stops42h 45mVirgin Atlantic
Wed 10/913:50SNA - LHR
1 stop16h 25mVirgin Atlantic
Deal found 27/8£375

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 29 August 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

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 11/11

07:30-22:29

2 stops22h 59m

Ontario

Tue 18/11

16:47-13:15

1 stop12h 28m

£360

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 11/9

08:40-19:40

2 stops19h 00m

Los Angeles

Sat 27/9

12:05-09:35

1 stop13h 30m

£370

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 28/9

09:50-18:25

1 stop16h 35m

Los Angeles

Sat 11/10

20:15-20:20

1 stop16h 05m

£370

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 11/2

06:30-13:05

1 stop14h 35m

Los Angeles

Tue 24/2

08:45-07:10

1 stop14h 25m

£370

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 22/2

09:00-16:35

1 stop15h 35m

Los Angeles

Wed 25/3

08:45-06:20

1 stop14h 35m

£372

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 2/2

07:40-15:15

1 stop15h 35m

Los Angeles

Fri 6/2

19:00-13:30

Nonstop10h 30m

£373

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 19/10

06:00-14:25

1 stop16h 25m

Los Angeles

Sat 25/10

16:40-22:35

1 stop21h 55m

£373

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 13/9

07:25-15:15

1 stop15h 50m

Los Angeles

Fri 19/9

06:00-07:25

1 stop17h 25m

£373

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 26/9

06:30-16:08

2 stops17h 38m

Los Angeles

Fri 3/10

06:00-09:35

2 stops19h 35m

£374

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 12/2

06:30-13:05

1 stop14h 35m

Los Angeles

Mon 23/2

08:10-07:25

1 stop15h 15m

£374

Flights are sorted by cheapest return flights first.

Deals found on 28/8

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 29 August 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 29 August 2025.

The most flights from LHR to USCA are scheduled on a Wednesday (53 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (46 on average).

How much does it cost for a return flight from London Heathrow Airport to California?

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 29 August 2025.
Get a feel of what it's like to fly with Finnair, United Airlines, andVirgin Atlantic 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.

Comfort

7.5

Boarding

7.6

Crew

8.1

Entertainment

6.9

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Comfort

7.5

Boarding

7.6

Crew

8.1

Entertainment

6.9

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Comfort

7.5

Boarding

7.6

Crew

8.1

Entertainment

6.9

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Comfort

7.5

Boarding

7.6

Crew

8.1

Entertainment

6.9

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Comfort

7.5

Boarding

7.6

Crew

8.1

Entertainment

6.9

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Comfort

7.5

Boarding

7.6

Crew

8.1

Entertainment

6.9

Food

6.7

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

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.
  • How long is the flight from London Heathrow Airport to California?

    For as low as £370, British Airways can have you in California from London Heathrow Airport in 16h 35m. London Heathrow Airport and California are separated by a distance of 5439 mi. This flight may include one or multiple stops.

  • 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 £234 on LEVEL. Other airlines that offer cheap prices include Aer Lingus from £366 and United Airlines from £389 one-way.

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

  • 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: Aeromexico (86%), KLM (82%), Air France( 82%).

  • 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 £2,533, our data indicates the cheapest price to be £399. The most popular route (London Heathrow - Los Angeles), is priced around £290.

  • 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.

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 29 August 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£236Average£511FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
FinnairCheapest£278Average£502FlexibilityNo cancel feeOn-time76%
Search Finnair flights
SWISSCheapest£290Average£388FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Norse Atlantic UKCheapest£333Average£548FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
United AirlinesCheapest£336Average£560FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Scandinavian AirlinesCheapest£345Average£513FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£348Average£498FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Brussels AirlinesCheapest£352Average£474FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Air FranceCheapest£352Average£483FlexibilityNo cancel feeOn-time77%
Search Air France flights
Aer LingusCheapest£353Average£596FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

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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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