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$304+ Cheap flights from the United Kingdom 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 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAX
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from United Kingdom to California

Keep the following information in mind while searching for United Kingdom to California flight deals. Data was last updated June 12, 2025.

Round-trip from

$503
(Netflights)

One-way from

$304
(Norse)

Popular in

August

Cheapest in

February

Average price

$667

Good round-trip deal

$488 or less

Good one-way deal

$285 or less
From United Kingdom to California
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One-way flight from United Kingdom to California
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Highest demand for flights based on searches. 10% potential increase in price ($74 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from United Kingdom to California.
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Price to beat on a one-way flight from United Kingdom to California.
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Find flight deals from United Kingdom to California

Cheapest flights from United Kingdom to California
Explore the most affordable flight options available from United Kingdom to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Netflights deal was found by Cheapflights users on 6/11. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/14:25 pmLHR - ONT
1 stop15h 42mBritish Airways
Tue 9/304:45 pmONT - LHR
1 stop13h 55mBritish Airways
Deal found 6/11$503
This Netflights deal was found by Cheapflights users on 6/11. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2310:30 amLHR - SNA
1 stop17h 43mBritish Airways
Tue 9/304:35 pmSNA - LHR
1 stop14h 05mBritish Airways
Deal found 6/11$503
This TravelUp deal was found by Cheapflights users on 6/10. 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 8/251:35 pmLHR - LAX
Nonstop11h 30mAir France
Mon 9/2210:50 pmLAX - LHR
Nonstop10h 25mAir France
Deal found 6/10$503
This Netflights deal was found by Cheapflights users on 6/10. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1711:45 amLHR - ONT
2 stops20h 01mVirgin Atlantic
Wed 9/2412:00 pmONT - LHR
1 stop17h 30mVirgin Atlantic
Deal found 6/10$505
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 10/2810:20 amLHR - LAX
1 stop14h 45mFinnair
Tue 11/49:15 amLAX - LHR
1 stop13h 05mFinnair
Deal found 6/10$505
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Thu 8/2810:45 amLGW - LAX
Nonstop11h 15mNorse Atlantic UK
Sat 9/203:05 pmLAX - LGW
Nonstop10h 25mNorse Atlantic UK
Deal found 6/10$505
This TravelUp deal was found by Cheapflights users on 6/11. 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 9/18:40 amLHR - LAX
1 stop14h 10mVirgin Atlantic
Mon 9/158:00 amLAX - LHR
1 stop14h 45mVirgin Atlantic
Deal found 6/11$506
This TravelUp deal was found by Cheapflights users on 6/10. 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 9/86:30 amLHR - ONT
2 stops18h 41mKLM
Mon 9/159:55 amONT - LHR
1 stop15h 55mKLM
Deal found 6/10$507
This Flightnetwork deal was found by Cheapflights users on 6/10. 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 8/276:30 amLHR - LAX
1 stop14h 30mLufthansa
Sat 9/136:40 pmLAX - LHR
1 stop14h 00mLufthansa
Deal found 6/10$508
This Kiwi.com deal was found by Cheapflights users on 6/11. 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 6/247:50 pmLGW - LAX
1 stop29h 40mMultiple Airlines
Thu 7/174:30 pmLAX - LGW
Nonstop10h 25mMultiple Airlines
Deal found 6/11$509
This oojo deal was found by Cheapflights users on 6/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/16:45 pmLHR - LAX
1 stop27h 55mTAP AIR PORTUGAL
Tue 9/304:40 pmLAX - LHR
1 stop17h 05mTAP AIR PORTUGAL
Deal found 6/11$514
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Mon 9/153:05 pmLGW - LAX
1 stop16h 06mAmerican Airlines
Thu 9/2510:20 amLAX - LGW
1 stop13h 50mAmerican Airlines
Deal found 6/12$516

Cheapflights Fare Finder

Customize your flight search to find flights from United Kingdom 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 June 12, 2025.
Use the filters below to find and compare flights from the United Kingdom to California that are best for you.

Fly from

United Kingdom

Fly to

California

Route

Depart

Return

Price

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Mon 9/1

8:20 am-6:24 pm

1 stop18h 04m

Ontario

Tue 9/30

8:15 am-6:25 am

1 stop14h 10m

$503

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 8/25

1:35 pm-5:05 pm

Nonstop11h 30m

Los Angeles

Mon 9/22

10:50 pm-5:15 pm

Nonstop10h 25m

$503

LondonSanta Ana

LHR - SNA

LHRSNA

London Heathrow

Tue 9/23

10:30 am-8:13 pm

1 stop17h 43m

Santa Ana J. Wayne/Orange Cnty

Tue 9/30

4:35 pm-2:40 pm

1 stop14h 05m

$503

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 9/17

11:45 am-11:46 pm

2 stops20h 01m

Ontario

Wed 9/24

12:00 pm-1:30 pm

1 stop17h 30m

$505

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 10/28

10:20 am-6:05 pm

1 stop14h 45m

Los Angeles

Tue 11/4

9:15 am-6:20 am

1 stop13h 05m

$505

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Thu 8/28

10:45 am-2:00 pm

Nonstop11h 15m

Los Angeles

Sat 9/20

3:05 pm-9:30 am

Nonstop10h 25m

$505

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 9/1

8:40 am-2:50 pm

1 stop14h 10m

Los Angeles

Mon 9/15

8:00 am-6:45 am

1 stop14h 45m

$506

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Mon 9/8

6:30 am-5:11 pm

2 stops18h 41m

Ontario

Mon 9/15

9:55 am-9:50 am

1 stop15h 55m

$507

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 8/27

6:30 am-1:00 pm

1 stop14h 30m

Los Angeles

Sat 9/13

6:40 pm-4:40 pm

1 stop14h 00m

$508

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Tue 6/24

7:50 pm-5:30 pm

1 stop29h 40m

Los Angeles

Thu 7/17

4:30 pm-10:55 am

Nonstop10h 25m

$509

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 60 results
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Best time to book a flight from United Kingdom to California

Have a flexible travel schedule? Discover the best time to fly to California from United Kingdom 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 the United Kingdom to California

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

Currently, January is the cheapest month in which you can book a flight from United Kingdom to California (average of $246). Flying from United Kingdom to California in March is currently the most expensive (average of $327). 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 GB to CA?

Find hourly flight availability from United Kingdom 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 June 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from United Kingdom to California as you normally would.

Weekly flight availability from United Kingdom to California

Explore weekly flight availability from United Kingdom 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 June 12, 2025.

The most flights from GB0 to USCA are scheduled on a Monday (53 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (48 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 June 12, 2025.
Read through reviews of airlines operating flights from United Kingdom to California, such as Delta, Air New Zealand and Alaska Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

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
8.0
Very good
483 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

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
Alaska Airlines
8.0
Very good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

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
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

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
396 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

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 United Kingdom 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 United Kingdom to California one-way?

    To fly one-way, consider booking your trip with Norse Atlantic UK, which is currently one of the cheapest options available, starting at $308. Vueling flights start at $433 while deals on A.P.G. start at $434 one-way.

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

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

  • How can I find direct flights from United Kingdom to California?

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

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

    Yes. Cheapflights offers flight deals from United Kingdom 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 United Kingdom to California?

    Currently, January is the cheapest month in which you can book a flight from United Kingdom to California (average of $246). Flying from United Kingdom to California in March is currently the most expensive (average of $327). 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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Alternative routes for United Kingdom 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 United Kingdom to California

Discover the top 10 airlines that operate flights from United Kingdom 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest$445Average$647FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$507Average$763FlexibilityNo cancel feeOn-time70%
Austrian AirlinesCheapest$510Average$760FlexibilityNo cancel feeOn-time78%
Scandinavian AirlinesCheapest$510Average$780FlexibilityNo cancel feeOn-time77%
Brussels AirlinesCheapest$512Average$701FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$516Average$751FlexibilityNo cancel feeOn-time72%
IberiaCheapest$518Average$756FlexibilityNo cancel feeOn-time77%
DeltaCheapest$522Average$850FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$523Average$811FlexibilityNo cancel feeOn-time69%
LufthansaCheapest$524Average$744FlexibilityNo cancel feeOn-time76%

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