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$322+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAX
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from United Kingdom to California

Discover tips and strategies to find the most affordable flight options for your journey from United Kingdom (GB0) 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 January 21, 2025.

Round-trip from

$457
(Mytrip)

One-way from

$322
(Kiwi.com)

Good round-trip deal

$556 or less

Good one-way deal

$400 or less
From United Kingdom to California
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One-way flight from United Kingdom to California
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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 January 21, 2025.

This Mytrip deal was found by Cheapflights users on 1/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/31:45 pmLHR - SNA
1 stop15h 06mLufthansa
Mon 3/101:20 pmSNA - LHR
1 stop13h 20mLufthansa
Deal found 1/21$457
This Air Canada deal was found by Cheapflights users on 1/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/106:30 amLHR - SNA
2 stops36h 00mMultiple Airlines
Sun 3/1612:30 pmSNA - LHR
2 stops59h 40mMultiple Airlines
Deal found 1/21$475
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.
Mon 4/217:25 amLHR - ONT
2 stops21h 17mLufthansa
Mon 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.
Mon 3/108:45 amLHR - ONT
2 stops34h 59mUnited Airlines
Mon 3/175:05 amONT - LHR
1 stop21h 35mUnited Airlines
Deal found 1/20$492
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Mon 3/107:40 amLHR - SNA
2 stops20h 11mUnited Airlines
Sun 3/167:35 pmSNA - LHR
1 stop31h 05mUnited Airlines
Deal found 1/21$495
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.
Tue 2/181:50 pmLHR - ONT
1 stop16h 26mFinnair
Mon 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.
Tue 2/1810:45 amLHR - ONT
1 stop13h 43mKLM
Wed 2/261:05 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.
Tue 2/181:00 pmLHR - SNA
1 stop30h 30mAir Canada
Tue 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.
Mon 2/179:20 amLHR - ONT
1 stop20h 39mMultiple Airlines
Mon 2/246:00 amONT - LHR
1 stop17h 30mMultiple Airlines
Deal found 1/20$519
This TravelUp deal was found by Cheapflights users on 1/21. 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.
Wed 2/263:50 pmLHR - ONT
1 stop14h 42mVirgin Atlantic
Sun 3/21:10 pmONT - LHR
1 stop33h 10mVirgin Atlantic
Deal found 1/21$521
This Lufthansa deal was found by Cheapflights users on 1/21. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/287:40 amLHR - LAX
1 stop15h 35mLufthansa
Tue 3/118:00 pmLAX - LHR
Nonstop10h 30mLufthansa
Deal found 1/21$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.
Thu 3/66:40 pmLGW - LAX
1 stop29h 50mSWISS
Thu 3/138:10 pmLAX - LGW
1 stop14h 40mSWISS
Deal found 1/20$526

Find flights from United Kingdom to California within your budget

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonSanta Ana

LHR - SNA

LHRSNA

London Heathrow

Mon 3/3

1:45 pm-8:51 pm

1 stop15h 06m

Santa Ana J. Wayne/Orange Cnty

Mon 3/10

1:20 pm-9:40 am

1 stop13h 20m

$457

LondonSanta Ana

LHR - SNA

LHRSNA

London Heathrow

Mon 3/10

6:30 am-11:30 am

2 stops36h 00m

Santa Ana J. Wayne/Orange Cnty

Sun 3/16

12:30 pm-7:10 am

2 stops59h 40m

$475

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Mon 4/21

7:25 am-8:42 pm

2 stops21h 17m

Ontario

Mon 5/12

5:05 am-12:20 pm

1 stop23h 15m

$491

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Mon 3/10

8:45 am-12:44 pm

2 stops34h 59m

Ontario

Mon 3/17

5:05 am-9:40 am

1 stop21h 35m

$492

LondonSanta Ana

LHR - SNA

LHRSNA

London Heathrow

Mon 3/10

7:40 am-8:51 pm

2 stops20h 11m

Santa Ana J. Wayne/Orange Cnty

Sun 3/16

7:35 pm-9:40 am

1 stop31h 05m

$495

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 2/18

1:50 pm-10:16 pm

1 stop16h 26m

Ontario

Mon 2/24

2:54 pm-12:05 pm

1 stop13h 11m

$511

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 2/18

10:45 am-4:28 pm

1 stop13h 43m

Ontario

Wed 2/26

1:05 pm-10:35 am

1 stop13h 30m

$515

LondonSanta Ana

LHR - SNA

LHRSNA

London Heathrow

Tue 2/18

1:00 pm-11:30 am

1 stop30h 30m

Santa Ana J. Wayne/Orange Cnty

Tue 2/25

12:30 pm-10:10 am

1 stop13h 40m

$517

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Mon 2/17

9:20 am-9:59 pm

1 stop20h 39m

Ontario

Mon 2/24

6:00 am-7:30 am

1 stop17h 30m

$519

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 2/26

3:50 pm-10:32 pm

1 stop14h 42m

Ontario

Sun 3/2

1:10 pm-6:20 am

1 stop33h 10m

$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 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.

Travel insights for flights from United Kingdom to California

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

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 $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 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 January 21, 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 January 21, 2025.

The most flights from GB0 to USCA are scheduled on a Monday (51 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (38 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 January 21, 2025.
Read through reviews of airlines operating flights from United Kingdom to California, such as Delta, Iberia and Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.3

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

Entertainment

7.9

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.3

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

Entertainment

7.9

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.3

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

Entertainment

7.9

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.3

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

Entertainment

7.9

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.3

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

Entertainment

7.9

Comfort

8.0

Crew

8.6

Overall

8.0

Food

7.3

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 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 WestJet, which is currently one of the cheapest options available, starting at $344. Vueling flights start at $412 while deals on Aer Lingus start at $415 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 $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 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$415Average$650FlexibilityNo cancel feeOn-time77%
Norse Atlantic UKCheapest$420Average$676FlexibilityNo cancel feeOn-timeN/A
Austrian AirlinesCheapest$476Average$709FlexibilityNo cancel feeOn-time78%
American AirlinesCheapest$482Average$764FlexibilityNo 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$792FlexibilityNo cancel feeOn-time70%
DeltaCheapest$516Average$857FlexibilityNo cancel feeOn-timeN/A
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