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$297+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAX
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from London to California

Keep the following information in mind while searching for London to California flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$505
(United Airlines)

One-way from

$297
(Mytrip)

Popular in

August

Cheapest in

September

Average price

$588

Good round-trip deal

$582 or less

Good one-way deal

$394 or less
Provider with most accurate pricing for London (LON)-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for London (LON)-Los Angeles flights.
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From London (LON) to California
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One-way flight from London (LON) to California
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Highest demand for flights based on searches. 9% potential increase in price ($69 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from London (LON) to California.
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Price to beat on a one-way flight from London (LON) to California.
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Find 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 February 20, 2025.

This United Airlines deal was found by Cheapflights users on 2/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/209:30 amLHR - ONT
2 stops20h 15mUnited Airlines
Thu 3/276:00 amONT - LHR
1 stop18h 30mUnited Airlines
Deal found 2/19$505
This American Airlines deal was found by Cheapflights users on 2/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/123:05 pmLHR - LAX
Nonstop11h 20mAmerican Airlines
Tue 4/88:05 pmLAX - LHR
Nonstop10h 30mAmerican Airlines
Deal found 2/20$505
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Thu 3/61:30 pmLHR - LAX
2 stops19h 00mUnited Airlines
Thu 3/138:00 pmLAX - LHR
Nonstop10h 30mUnited Airlines
Deal found 2/20$506
This Air Canada deal was found by Cheapflights users on 2/20. 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.
Thu 3/208:55 amLHR - LAX
2 stops19h 30mAir Canada
Thu 4/107:45 amLAX - LHR
1 stop17h 50mAir Canada
Deal found 2/20$507
This TravelUp deal was found by Cheapflights users on 2/19. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/116:45 pmLGW - LAX
1 stop29h 45mMultiple Airlines
Mon 3/174:05 pmLAX - LGW
2 stops18h 45mMultiple Airlines
Deal found 2/19$507
This Finnair deal was found by Cheapflights users on 2/20. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/277:30 amLHR - LAX
1 stop17h 35mFinnair
Wed 3/1211:35 amLAX - LHR
1 stop14h 00mFinnair
Deal found 2/20$508
This ChecknFly deal was found by Cheapflights users on 2/20. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/192:10 pmLHR - LAX
1 stop17h 43mLufthansa
Sun 4/277:55 pmLAX - LHR
1 stop33h 25mLufthansa
Deal found 2/20$509
This Flightnetwork deal was found by Cheapflights users on 2/19. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/129:25 amLCY - LAX
1 stop15h 05mSWISS
Wed 3/198:10 pmLAX - LCY
1 stop15h 30mSWISS
Deal found 2/19$510
This Expedia deal was found by Cheapflights users on 2/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/305:10 pmLHR - LAX
1 stop31h 18mBritish Airways
Fri 4/119:25 pmLAX - LHR
Nonstop10h 40mBritish Airways
Deal found 2/20$510
This lol.travel deal was found by Cheapflights users on 2/19. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/76:45 pmLGW - LAX
1 stop29h 45mSWISS
Mon 3/248:10 pmLAX - LGW
1 stop14h 40mSWISS
Deal found 2/19$510
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/188:55 amLHR - LAX
1 stop15h 35mMultiple Airlines
Fri 4/44:35 pmLAX - LHR
Nonstop10h 35mMultiple Airlines
Deal found 2/20$512
This Ticket deal was found by Cheapflights users on 2/20. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/82:30 pmLHR - ONT
1 stop16h 22mKLM
Wed 3/121:30 pmONT - LHR
1 stop13h 30mKLM
Deal found 2/20$515

Find flights from London to California within your budget

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 February 20, 2025.

Fly from

London

Fly to

California

Route

Depart

Return

Price

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Thu 3/20

6:30 am-6:04 pm

2 stops18h 34m

Ontario

Thu 3/27

5:05 am-7:10 am

2 stops19h 05m

$505

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 3/12

11:15 am-3:45 pm

Nonstop11h 30m

Los Angeles

Sun 4/6

3:45 pm-10:10 am

Nonstop10h 25m

$505

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 3/24

4:55 pm-9:25 pm

Nonstop11h 30m

Los Angeles

Wed 4/2

1:20 pm-8:00 am

Nonstop10h 40m

$506

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 3/20

8:55 am-9:25 pm

2 stops19h 30m

Los Angeles

Sat 3/29

11:35 am-10:50 am

1 stop16h 15m

$507

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Tue 3/11

6:45 pm-5:30 pm

1 stop29h 45m

Los Angeles

Mon 3/17

4:05 pm-5:50 pm

2 stops18h 45m

$507

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 4/19

2:10 pm-11:53 pm

1 stop17h 43m

Los Angeles

Sun 4/27

7:55 pm-1:20 pm

1 stop33h 25m

$509

LondonLos Angeles

LCY - LAX

LCYLAX

London City

Wed 3/12

9:25 am-5:30 pm

1 stop15h 05m

Los Angeles

Wed 3/19

8:10 pm-6:40 pm

1 stop15h 30m

$510

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Fri 3/7

6:45 pm-4:30 pm

1 stop29h 45m

Los Angeles

Mon 3/24

8:10 pm-5:50 pm

1 stop14h 40m

$510

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 3/4

10:20 am-5:05 pm

1 stop14h 45m

Los Angeles

Thu 3/27

11:35 am-8:35 am

1 stop14h 00m

$511

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 3/18

7:05 am-7:00 pm

2 stops18h 55m

Los Angeles

Tue 3/25

8:55 pm-5:40 pm

1 stop13h 45m

$512

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 60 results
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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.

Travel insights for flights from London to California

Get recent, data-driven insights about flights from London to California including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from London to California (average of $246). Flying from London to California in March is currently the most expensive (average of $344). 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 February 20, 2025.

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 February 20, 2025.

The most flights from LON to USCA are scheduled on a Thursday (54 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (36 on average).

Rainfall in California by month

Plan your trip to California by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in California ranges from 0.0 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. July is typically the driest time to visit California when rainfall is around 0.0 in.

Temperature in California by month

Plan your trip to California by taking into account the average temperature totals by month.

If weather is an important factor for your trip to California, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

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 February 20, 2025.
To help decide which airline to fly from London to California, see what other customers have to say about Delta, Air New Zealand and KLM. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

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
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

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

Air New Zealand
7.9
Good
461 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

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
1,333 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

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

Air Transat
7.8
Good
380 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

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

LOT
7.6
Good
1,080 reviews
Delta
8.0
Very good
8,220 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

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.

  • 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 $297 on Norse Atlantic UK. Other airlines that offer cheap prices include WestJet from $404 and Vueling from $419 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 Heathrow - Las Vegas Harry Reid Intl.

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

    Consider Royal Jordanian (93%), Fiji Airways (89%) or Malaysia Airlines (89%) 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 $4,353 for a flight from London to California. The cheapest flight overall is $523 while the most popular route, (London Heathrow - Los Angeles) is currently priced at $393.

  • 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, January is the cheapest month in which you can book a flight from London to California (average of $246). Flying from London to California in March is currently the most expensive (average of $344). 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 London 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 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest$420Average$681FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$463Average$676FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$482Average$754FlexibilityNo cancel feeOn-time71%
Austrian AirlinesCheapest$500Average$717FlexibilityNo cancel feeOn-time78%
FinnairCheapest$503Average$770FlexibilityNo cancel feeOn-time76%
Brussels AirlinesCheapest$512Average$654FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$513Average$725FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$513Average$871FlexibilityNo cancel feeOn-time69%
DeltaCheapest$516Average$833FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$519Average$733FlexibilityNo cancel feeOn-time77%
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