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Cheap flights from London Heathrow Airport to California from £299

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 1/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAX
15 Feb — 22 Feb1
1 adult
1 adult, Economy, 0 bags

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 16 January 2026.

Round-trip from

£342

One-way from

£299

Popular in

December

Cheapest in

September

Average price

£445

Good round-trip deal

£395 or less

Good one-way deal

£425 or less
United Airlines
  • United Airlines
  • 5/2-9/2
  • 3 total stops
  • 35h 02m total
  • London to California
Search Deals
JetBlue
  • JetBlue
  • 1/3
  • 1 total stop
  • 20h 15m total
  • London to California
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£14 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 January 2026
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.
Search Deals

Find flight deals from Heathrow to California

Enter your travel dates to find the best prices.

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 16 January 2026.

Thu 5/209:00
LHR
-
BUR
2 stops20h 59m
United Airlines
Mon 9/209:00
BUR
-
LHR
1 stop16h 40m
United Airlines
Deal found 15/1£342
Mon 2/313:30
LHR
-
ONT
2 stops17h 27m
United Airlines
Mon 9/313:50
ONT
-
LHR
1 stop12h 50m
United Airlines
Deal found 15/1£346
Thu 12/208:30
LHR
-
ONT
2 stops22h 27m
United Airlines
Thu 19/206:00
ONT
-
LHR
1 stop17h 30m
United Airlines
Deal found 15/1£347
Wed 4/306:30
LHR
-
ONT
2 stops24h 27m
United Airlines
Wed 18/313:40
ONT
-
LHR
1 stop15h 20m
United Airlines
Deal found 14/1£348
Mon 23/208:30
LHR
-
SNA
2 stops22h 00m
United Airlines
Wed 4/306:45
SNA
-
LHR
1 stop15h 10m
United Airlines
Deal found 14/1£348
Fri 6/207:30
LHR
-
BUR
2 stops19h 51m
United Airlines
Mon 9/213:10
BUR
-
LHR
1 stop12h 30m
United Airlines
Deal found 13/1£348
Sat 28/209:30
LHR
-
SNA
2 stops19h 20m
United Airlines
Sat 7/307:25
SNA
-
LHR
2 stops19h 55m
United Airlines
Deal found 14/1£353
Tue 12/506:55
LHR
-
ONT
2 stops34h 48m
United Airlines
Sat 16/513:40
ONT
-
LHR
1 stop14h 40m
United Airlines
Deal found 15/1£358
Mon 4/506:30
LHR
-
SNA
2 stops23h 46m
United Airlines
Thu 7/507:00
SNA
-
LHR
1 stop21h 20m
United Airlines
Deal found 15/1£359
Mon 27/409:30
LHR
-
ONT
2 stops20h 20m
United Airlines
Sat 9/505:05
ONT
-
LHR
1 stop23h 15m
United Airlines
Deal found 14/1£359
Sat 28/215:05
LHR
-
ONT
1 stop15h 32m
Virgin Atlantic
Sat 7/313:10
ONT
-
LHR
1 stop12h 50m
Virgin Atlantic
Deal found 14/1£360
Fri 23/108:30
LHR
-
SNA
2 stops21h 54m
United Airlines
Mon 26/118:25
SNA
-
LHR
1 stop29h 00m
United Airlines
Deal found 15/1£360

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 16 January 2026.
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

LondonBurbank

LHR - BUR

LHRBUR

London Heathrow

Thu 5/2

09:00-21:59

2 stops20h 59m

Burbank Bob Hope

Mon 9/2

09:00-09:40

1 stop16h 40m

£342

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Thu 12/2

09:30-22:57

2 stops21h 27m

Ontario

Mon 23/2

06:00-11:05

2 stops21h 05m

£347

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 4/3

06:30-22:57

2 stops24h 27m

Ontario

Wed 18/3

13:40-12:00

1 stop15h 20m

£348

LondonSanta Ana

LHR - SNA

LHRSNA

London Heathrow

Mon 23/2

08:30-22:30

2 stops22h 00m

Santa Ana J. Wayne/Orange Cnty

Wed 4/3

06:45-05:55

1 stop15h 10m

£348

LondonBurbank

LHR - BUR

LHRBUR

London Heathrow

Sat 28/2

06:30-19:29

2 stops20h 59m

Burbank Bob Hope

Sat 7/3

20:19-06:40

2 stops26h 21m

£348

LondonBurbank

LHR - BUR

LHRBUR

London Heathrow

Fri 6/2

09:30-19:21

2 stops17h 51m

Burbank Bob Hope

Mon 9/2

09:00-09:10

2 stops16h 10m

£348

LondonLong Beach

LHR - LGB

LHRLGB

London Heathrow

Sat 28/2

10:45-21:45

1 stop19h 00m

Long Beach Municipal

Sat 7/3

07:00-10:00

1 stop19h 00m

£360

LondonBurbank

LHR - BUR

LHRBUR

London Heathrow

Sat 28/2

10:45-21:58

1 stop19h 13m

Burbank Bob Hope

Sat 7/3

07:05-10:00

1 stop18h 55m

£360

LondonBurbank

LHR - BUR

LHRBUR

London Heathrow

Thu 5/2

10:45-21:58

1 stop19h 13m

Burbank Bob Hope

Mon 9/2

13:30-11:40

1 stop14h 10m

£362

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 15/2

10:05-17:48

1 stop15h 43m

Los Angeles

Sun 22/2

19:10-08:05

1 stop28h 55m

£363

Flights are sorted by cheapest return flights first.

Deals found on 15/1

Showing 1-10 of 60 results
1
2
3
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6

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, February is the cheapest month in which you can book a flight from London Heathrow Airport to California (average of £329). Flying from London Heathrow Airport to California in July is currently the most expensive (average of £396). 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 16 January 2026.

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 16 January 2026.

The most flights from LHR to USCA are scheduled on a Saturday (48 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (42 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 16 January 2026.
Get a feel of what it's like to fly with KLM, Virgin Atlantic, andUnited Airlines 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.
KLM
7.7
Good
1,440 reviews
Check prices

Food

7.2

Boarding

7.8

Entertainment

7.1

Comfort

7.6

Crew

8.4

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,440 reviews
KLM
7.7
Good
1,440 reviews
Check prices

Food

7.2

Boarding

7.8

Entertainment

7.1

Comfort

7.6

Crew

8.4

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Virgin Atlantic
7.5
Good
678 reviews
KLM
7.7
Good
1,440 reviews
Check prices

Food

7.2

Boarding

7.8

Entertainment

7.1

Comfort

7.6

Crew

8.4

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
United Airlines
7.4
Good
9,164 reviews
KLM
7.7
Good
1,440 reviews
Check prices

Food

7.2

Boarding

7.8

Entertainment

7.1

Comfort

7.6

Crew

8.4

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Lufthansa
6.8
Okay
7,718 reviews
KLM
7.7
Good
1,440 reviews
Check prices

Food

7.2

Boarding

7.8

Entertainment

7.1

Comfort

7.6

Crew

8.4

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
British Airways
6.7
Okay
7,680 reviews
KLM
7.7
Good
1,440 reviews
Check prices

Food

7.2

Boarding

7.8

Entertainment

7.1

Comfort

7.6

Crew

8.4

Overall

7.7

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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 £360, United Airlines can have you in California from London Heathrow Airport in 19h. London Heathrow Airport and California are separated by a distance of 5438 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 £164 on Norse Atlantic UK. Other airlines that offer cheap prices include TAP AIR PORTUGAL from £247 and Scandinavian Airlines from £250 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 (94%), Air Canada (88%), Austrian Airlines( 88%).

  • 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 £2,662, our data indicates the cheapest price to be £343. The most popular route (London Heathrow - Los Angeles), is priced around £284.

  • 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, February is the cheapest month in which you can book a flight from London Heathrow Airport to California (average of £329). Flying from London Heathrow Airport to California in July is currently the most expensive (average of £396). 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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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 16 January 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£238Average£553FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
SWISSCheapest£278Average£393FlexibilityNo cancel feeOn-time79%
Search SWISS flights
FinnairCheapest£280Average£535FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Norse Atlantic UKCheapest£307Average£560FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
Aer LingusCheapest£334Average£526FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air CanadaCheapest£336Average£512FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Scandinavian AirlinesCheapest£338Average£491FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
United AirlinesCheapest£338Average£536FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£339Average£521FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air FranceCheapest£357Average£547FlexibilityNo cancel feeOn-time77%
Search Air France 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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