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$448+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAX
Aug 21 — Aug 281
Fri 8/21
Fri 8/28
1 adult, Economy
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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 July 22, 2026.

This deal was found by Cheapflights users on 7/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/51:40 pm
LHR
-
ONT
1 stop16h 15m
United Airlines
Fri 8/211:18 pm
ONT
-
LHR
1 stop12h 22m
United Airlines
Deal found 7/21$582
This TravelUp deal was found by Cheapflights users on 7/21. 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.
Thu 8/2012:00 pm
LHR
-
LAX
1 stop14h 25m
British Airways
Sun 8/238:10 pm
LAX
-
LHR
1 stop13h 10m
British Airways
Deal found 7/21$590
This Cheapflightsfares deal was found by Cheapflights users on 7/21. 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.
Tue 9/297:25 am
LHR
-
LAX
1 stop15h 50m
Lufthansa
Tue 10/133:40 pm
LAX
-
LHR
Nonstop10h 30m
Lufthansa
Deal found 7/21$591
This United Airlines deal was found by Cheapflights users on 7/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:40 am
LHR
-
LAX
1 stop15h 50m
United Airlines
Wed 10/287:55 pm
LAX
-
LHR
Nonstop10h 35m
United Airlines
Deal found 7/21$592
This Cheapflightsfares deal was found by Cheapflights users on 7/21. 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.
Thu 9/39:25 am
LGW
-
LAX
1 stop15h 05m
SWISS
Tue 9/87:35 pm
LAX
-
LGW
1 stop14h 15m
SWISS
Deal found 7/21$592
This TravelUp deal was found by Cheapflights users on 7/20. 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.
Mon 10/58:20 am
LHR
-
LAX
Nonstop11h 10m
British Airways
Mon 10/196:05 pm
LAX
-
LHR
Nonstop10h 40m
British Airways
Deal found 7/20$593
This TravelUp deal was found by Cheapflights users on 7/20. 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 9/264:55 pm
LHR
-
LAX
Nonstop11h 20m
British Airways
Sat 10/106:05 pm
LAX
-
LHR
Nonstop10h 40m
British Airways
Deal found 7/20$594
This Air Canada deal was found by Cheapflights users on 7/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/218:40 am
LHR
-
LAX
2 stops19h 14m
Air Canada
Thu 11/512:30 pm
LAX
-
LHR
1 stop15h 20m
Air Canada
Deal found 7/20$595
This Expedia deal was found by Cheapflights users on 7/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:25 am
LGW
-
LAX
1 stop15h 05m
SWISS
Tue 9/87:35 pm
LAX
-
LGW
1 stop14h 15m
SWISS
Deal found 7/21$595
This United Airlines deal was found by Cheapflights users on 7/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:40 am
LHR
-
LAX
1 stop15h 50m
United Airlines
Sun 9/63:35 pm
LAX
-
LHR
Nonstop10h 35m
United Airlines
Deal found 7/20$596
This United Airlines deal was found by Cheapflights users on 7/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/29:30 am
LHR
-
LAX
1 stop14h 50m
United Airlines
Sat 10/103:40 pm
LAX
-
LHR
Nonstop10h 30m
United Airlines
Deal found 7/21$597
This Gotogate deal was found by Cheapflights users on 7/19. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/299:25 am
LGW
-
LAX
1 stop15h 05m
SWISS
Sun 9/207:35 pm
LAX
-
LGW
1 stop14h 15m
SWISS
Deal found 7/19$597

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 July 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$582

One-way from

$448
(lol.travel)

Popular in

December

Cheapest in

February

Average price

$722

Good round-trip deal

$638 or less

Good one-way deal

$393 or less
Provider with most accurate pricing for London (LON)-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-Los Angeles flights.
Search Deals
From London (LON) to California
Search Deals
One-way flight from London (LON) to California
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from London (LON) to California.
Search Deals
Price to beat on a one-way flight from London (LON) to California.
Search Deals

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 July 22, 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

Sat 9/5

6:00 am-1:05 pm

1 stop15h 05m

Los Angeles

Sat 9/12

2:15 pm-11:55 am

1 stop13h 40m

$598

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 11/12

7:40 am-3:15 pm

1 stop15h 35m

Los Angeles

Wed 11/18

8:17 am-6:40 am

1 stop14h 23m

$599

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 8/25

8:45 am-4:30 pm

1 stop15h 45m

Los Angeles

Mon 8/31

10:30 pm-10:00 am

1 stop27h 30m

$601

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Thu 9/17

9:30 am-9:59 pm

2 stops20h 29m

Ontario

Mon 9/21

1:56 pm-11:10 am

1 stop13h 14m

$605

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 8/30

6:00 am-1:05 pm

1 stop15h 05m

Los Angeles

Sun 9/6

3:35 pm-10:10 am

Nonstop10h 35m

$606

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 9/10

7:30 am-4:20 pm

1 stop16h 50m

Los Angeles

Fri 9/18

4:15 pm-12:25 pm

1 stop12h 10m

$606
Quickest round-trip

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Fri 10/9

1:00 pm-4:00 pm

Nonstop11h 00m

San Francisco

Sat 10/10

4:45 pm-11:10 am

Nonstop10h 25m

$629

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 10/19

4:15 pm-7:15 pm

Nonstop11h 00m

San Francisco

Mon 10/26

5:40 pm-11:15 am

Nonstop10h 35m

$630

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 9/20

2:05 pm-9:31 pm

1 stop15h 26m

Los Angeles

Mon 9/28

11:25 pm-9:25 pm

1 stop14h 00m

$633

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Fri 9/25

4:15 pm-10:59 pm

1 stop14h 44m

Ontario

Fri 10/2

9:25 am-7:25 am

1 stop14h 00m

$635

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/21

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 $581). Flying from London to California in December is currently the most expensive (average of $809). 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 July 22, 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 July 22, 2026.

The most flights from LON to USCA are scheduled on a Monday (51 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (51 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 40 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 July 22, 2026.
Read through reviews of airlines operating flights from London to California, such as KLM,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.
KLM
7.8
Good
1,544 reviews

Entertainment

7.2

Overall

7.8

Boarding

7.8

Crew

8.4

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
KLM
7.8
Good
1,544 reviews
KLM
7.8
Good
1,544 reviews

Entertainment

7.2

Overall

7.8

Boarding

7.8

Crew

8.4

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
Virgin Atlantic
7.5
Good
693 reviews
KLM
7.8
Good
1,544 reviews

Entertainment

7.2

Overall

7.8

Boarding

7.8

Crew

8.4

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
United Airlines
7.4
Good
10,018 reviews
KLM
7.8
Good
1,544 reviews

Entertainment

7.2

Overall

7.8

Boarding

7.8

Crew

8.4

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
Lufthansa
6.8
Okay
8,153 reviews
KLM
7.8
Good
1,544 reviews

Entertainment

7.2

Overall

7.8

Boarding

7.8

Crew

8.4

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.
British Airways
6.7
Okay
8,124 reviews
KLM
7.8
Good
1,544 reviews

Entertainment

7.2

Overall

7.8

Boarding

7.8

Crew

8.4

Comfort

7.7

Food

7.3

Reviews

1 / 20
4.0
Okay

Subhash,Jul 2026

CDG - ATL

The priority tag for bags were taken out. 1 bag is missing. Food was worst for AVML. The food was dry and burnt.

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?

    Lufthansa, United Airlines, and Austrian Airlines can get you from London to California in just under 15h 05m. Your travel time can differ by up to 40m. The distance between London and California is about 5439 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 $268 on Norse Atlantic UK. Other airlines that offer cheap prices include TAP AIR PORTUGAL from $352 and Virgin Atlantic from $390 one-way.

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

    The most popular flight routes from London to California are London Heathrow - Los Angeles, London Heathrow - San Francisco and London Gatwick - Los Angeles.

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

    Consider SAUDIA (100%), Royal Jordanian (94%) or Air Canada (92%) 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 $2,386 for a flight from London to California. The cheapest flight overall is $440 while the most popular route, (London Heathrow - Los Angeles) is currently priced at $469.

  • 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 $581). Flying from London to California in December is currently the most expensive (average of $809). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 July 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$370Average$820FlexibilityNo cancel feeOn-timeN/A
Aer LingusCheapest$416Average$744FlexibilityNo cancel feeOn-timeN/A
TAP AIR PORTUGALCheapest$449Average$500FlexibilityNo cancel feeOn-timeN/A
Norse Atlantic UKCheapest$452Average$558FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$468Average$690FlexibilityNo cancel feeOn-time76%
FinnairCheapest$487Average$709FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$494Average$771FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$496Average$802FlexibilityNo cancel feeOn-time69%
Austrian AirlinesCheapest$500Average$643FlexibilityNo cancel feeOn-time78%
Scandinavian AirlinesCheapest$520Average$751FlexibilityNo cancel feeOn-time77%

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