California

$489+ Cheap flights from London (LON) to California

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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAX
Jun 20 — Jun 271
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Cheap flight deals from London to California

Cheapest flights from London to California
Explore the most affordable flight options available from London to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 21, 2026.

This Ticket deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/12:25 pm
LHR
-
ONT
1 stop17h 34m
Iberia
Mon 6/1512:41 pm
ONT
-
LHR
1 stop16h 09m
Iberia
Deal found 5/17$599
This TravelUp deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/23:00 pm
LHR
-
ONT
1 stop15h 19m
British Airways
Tue 12/82:56 pm
ONT
-
LHR
1 stop13h 04m
British Airways
Deal found 5/17$622
This TravelUp deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/104:25 pm
LHR
-
ONT
1 stop15h 34m
British Airways
Mon 6/1512:41 pm
ONT
-
LHR
1 stop16h 09m
British Airways
Deal found 5/17$625
This TravelUp deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/410:55 am
LHR
-
LAX
1 stop15h 15m
Virgin Atlantic
Fri 7/178:35 pm
LAX
-
LHR
Nonstop10h 25m
Virgin Atlantic
Deal found 5/16$635
This TravelUp deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/75:45 pm
LHR
-
LAX
1 stop14h 50m
Virgin Atlantic
Mon 8/178:20 am
LAX
-
LHR
1 stop14h 05m
Virgin Atlantic
Deal found 5/17$636
This British Airways deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/213:05 pm
LHR
-
LAX
Nonstop11h 20m
British Airways
Tue 11/36:50 pm
LAX
-
LHR
1 stop14h 10m
British Airways
Deal found 5/17$637
This TravelUp deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/612:20 pm
LHR
-
ONT
1 stop18h 23m
Virgin Atlantic
Sat 11/216:00 am
ONT
-
LHR
1 stop20h 00m
Virgin Atlantic
Deal found 5/17$638
This Lufthansa deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/48:40 am
LHR
-
LAX
1 stop15h 50m
Multiple Airlines
Sat 9/193:40 pm
LAX
-
LHR
Nonstop10h 30m
Multiple Airlines
Deal found 5/17$638
This Lufthansa deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:00 am
LHR
-
LAX
1 stop15h 05m
Austrian Airlines
Sun 9/203:40 pm
LAX
-
LHR
Nonstop10h 30m
Austrian Airlines
Deal found 5/17$639
This Cheapflightsfares deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:25 am
LHR
-
LAX
1 stop15h 50m
Multiple Airlines
Sat 9/128:20 am
LAX
-
LHR
1 stop13h 35m
Multiple Airlines
Deal found 5/18$640
This TravelUp deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/59:20 am
LHR
-
ONT
1 stop33h 22m
Multiple Airlines
Thu 8/136:01 pm
ONT
-
LHR
1 stop13h 34m
Multiple Airlines
Deal found 5/17$641
This Lufthansa deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/116:00 am
LHR
-
LAX
1 stop15h 05m
Austrian Airlines
Fri 11/66:55 pm
LAX
-
LHR
Nonstop10h 35m
Austrian Airlines
Deal found 5/16$641

Find flight deals from London to California

Keep the following information in mind while searching for London to California flight deals. Data was last updated May 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$599
(Ticket)

One-way from

$489
(TravelUp)

Popular in

December

Cheapest in

September

Average price

$636

Good round-trip deal

$705 or less

Good one-way deal

$386 or less
Provider with most accurate pricing for London (LON)-Los Angeles Los Angeles flight deals.
Provider most trusted by Cheapflights users for London (LON)-Los Angeles Los Angeles flights.
From London (LON) to California
One-way flight from London (LON) to California
Highest demand for flights based on searches. 4% potential increase in price ($29 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
Average for round-trip flights in May 2026
Price to beat on a round-trip flight from London (LON) to California.
Price to beat on a one-way flight from London (LON) to California.

Cheapflights Fare Finder

 
Customize your flight search to find flights from London 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 2,558,603 searches. Data last updated May 21, 2026.
Use the filters below to find and compare flights from London to California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 9/8

7:25 am-4:20 pm

2 stops16h 55m

Los Angeles Los Angeles

Fri 9/18

2:29 pm-12:25 pm

1 stop13h 56m

$654

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 9/5

12:45 pm-3:45 pm

Nonstop11h 00m

San Francisco

Sat 9/12

12:20 pm-10:40 am

1 stop14h 20m

$667

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 8/12

2:25 pm-9:12 pm

1 stop14h 47m

Ontario

Mon 9/7

2:27 pm-12:10 pm

1 stop13h 43m

$670

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 8/22

6:30 am-11:50 am

1 stop13h 20m

Los Angeles Los Angeles

Tue 9/15

11:15 pm-5:35 pm

Nonstop10h 20m

$670

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 9/4

7:00 am-4:30 pm

2 stops17h 30m

Los Angeles Los Angeles

Sun 9/20

7:35 pm-5:50 pm

1 stop14h 15m

$672

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 6/5

2:30 pm-5:45 pm

Nonstop11h 15m

Los Angeles Los Angeles

Mon 6/8

2:00 pm-12:10 pm

1 stop14h 10m

$672

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 6/7

6:15 pm-9:25 pm

Nonstop11h 10m

Los Angeles Los Angeles

Fri 7/10

2:00 pm-3:35 pm

1 stop17h 35m

$672
Quickest round-trip

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 9/5

6:30 pm-9:25 pm

Nonstop10h 55m

San Francisco

Sat 9/12

5:55 pm-12:15 pm

Nonstop10h 20m

$674

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Thu 6/18

10:55 am-8:50 am

1 stop29h 55m

Ontario

Tue 7/21

10:00 pm-11:20 am

2 stops29h 20m

$674

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 11/16

6:30 am-11:45 am

1 stop13h 15m

San Francisco

Mon 11/23

10:00 am-10:00 am

1 stop16h 00m

$677

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/16

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from London to California

Have a flexible travel schedule? Discover the best time to fly to California from London with our price prediction graph.
Estimated round-trip 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 to California

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

Currently, February is the cheapest month in which you can book a flight from London to California (average of $571). Flying from London to California in December is currently the most expensive (average of $795). 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 LON to CA?

Find hourly flight availability from London 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 May 21, 2026.

When flying from London 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 to California

Explore weekly flight availability from London 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 May 21, 2026.

The most flights from LON to USCA are scheduled on a Monday (54 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (38 on average).

How much does it cost to fly round-trip from London to California?

How far ahead should I book a flight from London to California?

The price you pay for your flight from London to California may vary depending on when you book. For the best chance of a lower fare, look to book 78 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 May 21, 2026.
Read through reviews of airlines operating flights from London to California, such as Delta,Virgin Atlantic, andUnited Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.8

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

Overall

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.8

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

Overall

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.8

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

Overall

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.8

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

Overall

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.8

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

Overall

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Entertainment

7.8

Comfort

7.8

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 London 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 to California?

    SWISS, Virgin Atlantic, and United Airlines can get you from London to California in just under 13h 25m. Your travel time can differ by up to 3h 30m. The distance between London and California is about 5454 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from London to California one-way?

    One-way options have recently been found by users for as low as $248 on Norse Atlantic UK. Other airlines that offer cheap prices include TAP AIR PORTUGAL from $352 and Virgin Atlantic from $429 one-way.

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

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

    Consider KLM (86%), Air France (86%) or Delta (86%) when booking your flight. These represent the most reliable airlines when flying from London to California.

  • What are the cheapest flights from London to California?

    On average you can expect to pay $4,844 for a flight from London to California. The cheapest flight overall is $608 while the most popular route, (London Heathrow - Los Angeles Los Angeles) is currently priced at $538.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London 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 to California?

    Currently, February is the cheapest month in which you can book a flight from London to California (average of $571). Flying from London to California in December is currently the most expensive (average of $795). 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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Top 10 airlines flying from London to California

Discover the top 10 airlines that operate flights from London 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 2,558,603 searches. Data last updated May 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest$348Average$729FlexibilityNo cancel feeOn-time77%
Norse Atlantic UKCheapest$381Average$558FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$396Average$820FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$416Average$665FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$449Average$494FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$468Average$621FlexibilityNo cancel feeOn-time76%
FinnairCheapest$487Average$782FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$494Average$792FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$513Average$766FlexibilityNo cancel feeOn-time70%
Austrian AirlinesCheapest$514Average$659FlexibilityNo cancel feeOn-time78%

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