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Cheap flights from the United Kingdom to California from £371

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAX
15 Jun — 22 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to California

Enter your travel dates to find the best prices.

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 16 May 2026.

Thu 24/911:40
LHR
-
ONT
1 stop19h 00m
Virgin Atlantic
Thu 8/1017:50
ONT
-
LHR
1 stop13h 45m
Virgin Atlantic
Deal found 15/5£467
Wed 5/809:20
LHR
-
ONT
1 stop33h 22m
Multiple Airlines
Thu 13/811:56
ONT
-
LHR
1 stop17h 19m
Multiple Airlines
Deal found 15/5£468
Thu 13/817:45
LHR
-
ONT
1 stop37h 00m
Virgin Atlantic
Wed 19/806:20
ONT
-
LHR
1 stop25h 15m
Virgin Atlantic
Deal found 15/5£470
Wed 27/508:55
LHR
-
LAX
1 stop15h 10m
Virgin Atlantic
Wed 3/617:40
LAX
-
LHR
1 stop13h 55m
Virgin Atlantic
Deal found 11/5£470
Mon 1/608:40
LHR
-
LAX
1 stop14h 05m
Virgin Atlantic
Tue 9/611:48
LAX
-
LHR
1 stop15h 12m
Virgin Atlantic
Deal found 11/5£473
Thu 24/908:40
LHR
-
LAX
1 stop14h 05m
Virgin Atlantic
Thu 1/1020:05
LAX
-
LHR
Nonstop10h 50m
Virgin Atlantic
Deal found 11/5£473
Fri 19/611:40
LHR
-
ONT
1 stop19h 01m
Virgin Atlantic
Sat 4/713:00
ONT
-
LHR
2 stops16h 05m
Virgin Atlantic
Deal found 14/5£475
Mon 22/619:15
LHR
-
LAX
1 stop24h 35m
Virgin Atlantic
Wed 8/717:45
LAX
-
LHR
1 stop13h 50m
Virgin Atlantic
Deal found 12/5£475
Wed 4/1109:00
LHR
-
LAX
1 stop15h 35m
Lufthansa
Wed 25/1108:15
LAX
-
LHR
2 stops16h 55m
Lufthansa
Deal found 11/5£476
Fri 11/910:25
LGW
-
LAX
1 stop16h 15m
Virgin Atlantic
Mon 21/918:25
LAX
-
LGW
1 stop13h 35m
Virgin Atlantic
Deal found 15/5£476
Wed 27/512:25
LHR
-
ONT
2 stops19h 09m
Virgin Atlantic
Tue 2/611:52
ONT
-
LHR
1 stop19h 43m
Virgin Atlantic
Deal found 12/5£476
Thu 28/518:15
LHR
-
LAX
Nonstop11h 10m
Virgin Atlantic
Thu 4/615:26
LAX
-
LHR
1 stop13h 39m
Virgin Atlantic
Deal found 13/5£476

Find 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 16 May 2026.

Round-trip from

£467

One-way from

£371

Popular in

December

Cheapest in

September

Average price

£472

Good round-trip deal

£533 or less

Good one-way deal

£295 or less
Virgin Atlantic
  • Virgin Atlantic
  • 24/9-8/10
  • 2 total stops
  • 32h 45m total
  • United Kingdom to California
Search Deals
9/9
  • 9/9
  • 3 total stops
  • 34h 44m total
  • United Kingdom to California
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£16 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from United Kingdom to California.
Search Deals
Price to beat on a one-way flight from United Kingdom to California.
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 16 May 2026.
Use the filters below to find and compare flights from the United Kingdom to California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Mon 19/10

06:50-18:55

1 stop20h 05m

Los Angeles Los Angeles

Fri 23/10

19:50-19:00

1 stop15h 10m

£482

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 23/6

06:15-12:55

1 stop14h 40m

Los Angeles Los Angeles

Thu 9/7

23:15-17:35

Nonstop10h 20m

£500

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 27/5

11:40-22:34

1 stop18h 54m

Ontario

Tue 11/8

18:01-15:35

1 stop13h 34m

£500
Fastest return journey

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 8/6

08:20-11:30

Nonstop11h 10m

Los Angeles Los Angeles

Wed 15/7

20:55-15:25

Nonstop10h 30m

£500

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 27/5

11:40-22:34

1 stop18h 54m

Ontario

Wed 12/8

18:01-15:35

1 stop13h 34m

£500

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 27/5

11:40-22:34

1 stop18h 54m

Ontario

Thu 13/8

18:01-15:35

1 stop13h 34m

£500

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 23/9

11:00-18:57

1 stop15h 57m

Ontario

Mon 5/10

13:31-10:30

1 stop12h 59m

£506

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 6/7

09:55-13:10

Nonstop11h 15m

Los Angeles Los Angeles

Fri 17/7

15:50-10:15

Nonstop10h 25m

£508

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 27/9

15:05-18:20

Nonstop11h 15m

Los Angeles Los Angeles

Thu 8/10

21:00-15:25

Nonstop10h 25m

£509

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 7/6

14:30-17:45

Nonstop11h 15m

Los Angeles Los Angeles

Fri 10/7

14:00-15:35

1 stop17h 35m

£509

Flights are sorted by cheapest return flights first.

Deals found on 15/5

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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 return 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

How far ahead should I book a flight from United Kingdom to California?

To ensure you get the cheapest price possible for a flight from United Kingdom to California, you should look to book at least 44 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, September is the cheapest month in which you can book a flight from United Kingdom to California (average of £443). Flying from United Kingdom to California in December is currently the most expensive (average of £610). 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 16 May 2026.

When flying from United Kingdom 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 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 16 May 2026.

The most flights from GB0 to USCA are scheduled on a Monday (54 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (54 on average).

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 16 May 2026.
Get a feel of what it's like to fly with United Airlines,Virgin Atlantic, andAer Lingus from the United Kingdom to California by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,730 reviews
Check prices

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
9,730 reviews
United Airlines
7.4
Good
9,730 reviews
Check prices

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Virgin Atlantic
7.4
Good
688 reviews
United Airlines
7.4
Good
9,730 reviews
Check prices

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Aer Lingus
7.3
Good
1,563 reviews
United Airlines
7.4
Good
9,730 reviews
Check prices

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
Lufthansa
6.8
Okay
8,004 reviews
United Airlines
7.4
Good
9,730 reviews
Check prices

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
British Airways
6.7
Okay
7,981 reviews
United Airlines
7.4
Good
9,730 reviews
Check prices

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

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.

  • How long is the flight from United Kingdom to California?

    LEVEL, Delta, and British Airways can get you from United Kingdom to California in just under 11h 10m. Your travel time can differ by up to 8h 55m. United Kingdom and California are separated by a distance of 5439 mi. This flight may include one or multiple stops.

  • 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 £171. Norse Atlantic UK flights start at £182 while deals on LEVEL start at £196 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 holiday 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, September is the cheapest month in which you can book a flight from United Kingdom to California (average of £443). Flying from United Kingdom to California in December is currently the most expensive (average of £610). 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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Heathrow to Dallas/Fort Worth flights
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Gatwick to Los Angeles flights
Stansted to Los Angeles flights
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London City to Los Angeles flights
Stansted to Orlando flights
Stansted to Boston flights
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Gatwick to Miami flights
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Stansted to Miami flights
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Heathrow to Hobby flights
London City to Miami flights
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Gatwick to San Francisco flights
London City to San Francisco flights
Stansted to San Francisco flights
Heathrow to Nashville flights
Heathrow to George Bush Intcntl flights
Manchester to LaGuardia flights
Luton to Boston flights
London City to Orlando flights
Heathrow to Reagan-National flights

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 858,174 searches. Data last updated 16 May 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest£171Average£542FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Air FranceCheapest£237Average£632FlexibilityNo cancel feeOn-time77%
Search Air France flights
Norse Atlantic UKCheapest£261Average£492FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
SWISSCheapest£293Average£525FlexibilityNo cancel feeOn-time79%
Search SWISS flights
DeltaCheapest£322Average£670FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Scandinavian AirlinesCheapest£323Average£490FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Aer LingusCheapest£335Average£717FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Brussels AirlinesCheapest£336Average£480FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Air CanadaCheapest£337Average£567FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Austrian AirlinesCheapest£352Average£489FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from United Kingdom to California?

Cheapflights makes it easy to find United Kingdom to California flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to California?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from United Kingdom to California for you. Better yet — we are completely free to use.

Can Cheapflights find flights from United Kingdom to California with no change fees?

Certainly. Search results for flights to California from United Kingdom shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from United Kingdom to California become cheaper?

Yes, Cheapflights offers price alerts on United Kingdom to California flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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