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$344+ 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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAX
jan 26 — feb 21
sön 1/26
sön 2/2
1 adult, Economy
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Cheap flight deals from London to California

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to California (USCA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated januari 21, 2025.

Round-trip from

$485
(TravelUp)

One-way from

$344
(Mytrip)
From London (LON) to California
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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 januari 21, 2025.

This TravelUp deal was found by Cheapflights users on 1/20. 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.
tis 3/49:30 amLHR - SNA
2 stops20h 20mLufthansa
tis 3/1110:30 amSNA - LHR
1 stop13h 55mLufthansa
Deal found 1/20$485
This Air Canada deal was found by Cheapflights users on 1/20. 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.
mån 3/36:30 amLHR - SNA
2 stops37h 00mMultiple Airlines
lör 3/1512:30 pmSNA - LHR
2 stops59h 40mMultiple Airlines
Deal found 1/20$486
This The Travel House deal was found by Cheapflights users on 1/20. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mån 4/217:25 amLHR - ONT
2 stops21h 17mLufthansa
mån 5/125:05 amONT - LHR
1 stop23h 15mLufthansa
Deal found 1/20$491
This United Airlines deal was found by Cheapflights users on 1/20. 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.
mån 2/176:30 amLHR - ONT
2 stops22h 22mUnited Airlines
mån 2/245:05 amONT - LHR
1 stop20h 35mUnited Airlines
Deal found 1/20$493
This The Travel House deal was found by Cheapflights users on 1/20. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tis 2/181:50 pmLHR - ONT
1 stop16h 26mFinnair
mån 2/242:54 pmONT - LHR
1 stop13h 11mFinnair
Deal found 1/20$511
This TravelUp deal was found by Cheapflights users on 1/19. 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.
ons 2/193:50 pmLHR - ONT
1 stop14h 42mKLM
tis 2/251:05 pmONT - LHR
1 stop13h 30mKLM
Deal found 1/19$515
This Air Canada deal was found by Cheapflights users on 1/20. 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.
tis 2/181:00 pmLHR - SNA
1 stop30h 30mAir Canada
tis 2/2512:30 pmSNA - LHR
1 stop13h 40mAir Canada
Deal found 1/20$517
This Lufthansa deal was found by Cheapflights users on 1/20. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mån 2/179:20 amLHR - ONT
1 stop20h 39mMultiple Airlines
mån 2/246:00 amONT - LHR
1 stop17h 30mMultiple Airlines
Deal found 1/20$519
This Delta deal was found by Cheapflights users on 1/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mån 3/38:40 amLHR - ONT
2 stops22h 12mDelta
mån 3/101:30 pmONT - LHR
1 stop13h 30mDelta
Deal found 1/20$521
This United Airlines deal was found by Cheapflights users on 1/20. 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.
mån 3/2411:35 amLHR - SNA
1 stop16h 06mUnited Airlines
tors 4/33:36 pmSNA - LHR
1 stop12h 44mUnited Airlines
Deal found 1/20$521
This Air Canada deal was found by Cheapflights users on 1/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tors 2/209:30 amLHR - LAX
2 stops19h 55mMultiple Airlines
tors 2/278:30 amLAX - LHR
2 stops19h 20mMultiple Airlines
Deal found 1/19$526
This SWISS deal was found by Cheapflights users on 1/20. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tors 3/66:40 pmLGW - LAX
1 stop29h 50mSWISS
tors 3/138:10 pmLAX - LGW
1 stop14h 40mSWISS
Deal found 1/20$526

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 januari 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonSanta Ana

LHR - SNA

LHRSNA

London Heathrow

tis 3/4

9:30 am-9:50 pm

2 stops20h 20m

Santa Ana J. Wayne/Orange Cnty

tis 3/11

10:30 am-7:25 am

1 stop13h 55m

$485

LondonSanta Ana

LHR - SNA

LHRSNA

London Heathrow

mån 3/3

6:30 am-11:30 am

2 stops37h 00m

Santa Ana J. Wayne/Orange Cnty

lör 3/15

12:30 pm-7:10 am

2 stops59h 40m

$486

LondonOntario

LHR - ONT

LHRONT

London Heathrow

mån 4/21

7:25 am-8:42 pm

2 stops21h 17m

Ontario

mån 5/12

5:05 am-12:20 pm

1 stop23h 15m

$491

LondonOntario

LHR - ONT

LHRONT

London Heathrow

mån 2/17

9:30 am-9:15 am

2 stops31h 45m

Ontario

mån 2/24

6:00 am-7:25 am

1 stop17h 25m

$493

LondonOntario

LHR - ONT

LHRONT

London Heathrow

tis 2/18

1:50 pm-10:16 pm

1 stop16h 26m

Ontario

mån 2/24

2:54 pm-12:05 pm

1 stop13h 11m

$511

LondonOntario

LHR - ONT

LHRONT

London Heathrow

ons 2/19

3:50 pm-10:32 pm

1 stop14h 42m

Ontario

tis 2/25

1:05 pm-10:35 am

1 stop13h 30m

$515

LondonSanta Ana

LHR - SNA

LHRSNA

London Heathrow

tis 2/18

1:00 pm-11:30 am

1 stop30h 30m

Santa Ana J. Wayne/Orange Cnty

tis 2/25

12:30 pm-10:10 am

1 stop13h 40m

$517

LondonOntario

LHR - ONT

LHRONT

London Heathrow

mån 2/17

9:20 am-9:59 pm

1 stop20h 39m

Ontario

mån 2/24

6:00 am-7:30 am

1 stop17h 30m

$519

LondonOntario

LHR - ONT

LHRONT

London Heathrow

mån 3/3

8:40 am-10:52 pm

2 stops22h 12m

Ontario

mån 3/10

1:30 pm-10:00 am

1 stop13h 30m

$521

LondonSanta Ana

LHR - SNA

LHRSNA

London Heathrow

mån 3/24

11:35 am-8:41 pm

1 stop16h 06m

Santa Ana J. Wayne/Orange Cnty

tors 4/3

3:36 pm-12:20 pm

1 stop12h 44m

$521

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

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 januari 21, 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 januari 21, 2025.

The most flights from LON to USCA are scheduled on a Saturday (48 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (41 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 januari 21, 2025.
To help decide which airline to fly from London to California, see what other customers have to say about Scandinavian Airlines, Austrian Airlines and American Airlines. 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
8,521 reviews

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air New Zealand
7.9
Good
485 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,341 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air Transat
7.8
Good
381 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

LOT
7.6
Good
1,117 reviews
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

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 $344 on WestJet. Other airlines that offer cheap prices include Vueling from $412 and Aer Lingus from $415 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 SriLankan Airlines (83%), Fiji Airways (81%) or Malaysia Airlines (81%) 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 $4,406 for a flight from London to California. The cheapest flight overall is $536 while the most popular route, (London Heathrow - Los Angeles) is currently priced at $452.

  • 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 januari 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$415Average$691FlexibilityNo cancel feeOn-time77%
Norse Atlantic UKCheapest$420Average$676FlexibilityNo cancel feeOn-timeN/A
Austrian AirlinesCheapest$476Average$709FlexibilityNo cancel feeOn-time78%
American AirlinesCheapest$482Average$749FlexibilityNo cancel feeOn-time71%
FinnairCheapest$503Average$670FlexibilityNo cancel feeOn-time76%
Brussels AirlinesCheapest$512Average$649FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$513Average$866FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$514Average$707FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$515Average$787FlexibilityNo cancel feeOn-time70%
DeltaCheapest$516Average$850FlexibilityNo cancel feeOn-timeN/A
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