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Cheap flights from the United Kingdom to California from £228

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAX
31 Mar — 7 Apr1
1 adult

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 26 March 2025.

Round-trip from

£387

One-way from

£229

Popular in

August

Cheapest in

February

Average price

£461

Good round-trip deal

£429 or less

Good one-way deal

£236 or less
KLM
  • KLM
  • 23/4-30/4
  • Nonstop
  • 21h 40m total
  • United Kingdom to California
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1/5
  • 1/5
  • 2 total stops
  • 48h 00m total
  • United Kingdom to California
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£44 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
Search Deals
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 26 March 2025.

Wed 23/416:25LHR - LAX
Nonstop11h 10mKLM
Wed 30/420:05LAX - LHR
Nonstop10h 30mKLM
Deal found 25/3£387
Mon 21/408:15LHR - LAX
1 stop18h 10mBritish Airways
Mon 28/413:20LAX - LHR
Nonstop10h 40mBritish Airways
Deal found 25/3£388
Fri 9/519:30LHR - LAX
1 stop25h 35mAustrian Airlines
Fri 16/516:35LAX - LHR
Nonstop10h 35mAustrian Airlines
Deal found 25/3£389
Wed 23/408:40LHR - LAX
1 stop15h 50mMultiple Airlines
Wed 7/513:15LAX - LHR
1 stop13h 25mMultiple Airlines
Deal found 25/3£390
Fri 9/508:40LHR - LAX
2 stops19h 10mAir Canada
Mon 12/512:20LAX - LHR
1 stop17h 00mAir Canada
Deal found 24/3£391
Thu 1/507:25LHR - LAX
1 stop15h 50mUnited Airlines
Fri 16/522:20LAX - LHR
1 stop24h 10mUnited Airlines
Deal found 25/3£393
Fri 2/506:30LHR - LAX
1 stop14h 30mLufthansa
Fri 16/516:35LAX - LHR
Nonstop10h 35mLufthansa
Deal found 24/3£394
Sun 4/506:30LHR - LAX
1 stop16h 20mVirgin Atlantic
Mon 19/522:50LAX - LHR
Nonstop10h 25mVirgin Atlantic
Deal found 24/3£397
Mon 21/407:25LHR - SFO
1 stop15h 10mLufthansa
Mon 28/412:55SFO - LHR
Nonstop10h 30mLufthansa
Deal found 24/3£399
Mon 28/411:15LHR - SFO
Nonstop11h 05mKLM
Tue 20/521:20SFO - LHR
Nonstop10h 20mKLM
Deal found 25/3£400
Sat 3/506:00LHR - SFO
1 stop18h 10mMultiple Airlines
Sat 10/511:25SFO - LHR
1 stop14h 35mMultiple Airlines
Deal found 25/3£400
Tue 23/910:20LHR - LAX
1 stop14h 00mScandinavian Airlines
Tue 14/1019:30LAX - LHR
1 stop14h 10mScandinavian Airlines
Deal found 25/3£400

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 26 March 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

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 23/4

16:25-19:35

Nonstop11h 10m

Los Angeles

Wed 30/4

20:05-14:35

Nonstop10h 30m

£387

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 21/4

08:15-18:25

1 stop18h 10m

Los Angeles

Mon 28/4

13:20-08:00

Nonstop10h 40m

£388

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 9/5

19:30-13:05

1 stop25h 35m

Los Angeles

Fri 16/5

16:35-11:10

Nonstop10h 35m

£389

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 23/4

08:40-16:30

1 stop15h 50m

Los Angeles

Wed 7/5

13:15-10:40

1 stop13h 25m

£390

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 9/5

08:40-19:50

2 stops19h 10m

Los Angeles

Fri 16/5

08:05-06:30

1 stop14h 25m

£391

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 1/5

07:25-15:15

1 stop15h 50m

Los Angeles

Fri 16/5

22:20-06:30

1 stop24h 10m

£393

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 4/5

06:30-14:50

1 stop16h 20m

Los Angeles

Mon 19/5

22:50-17:15

Nonstop10h 25m

£397

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 4/5

06:30-14:50

1 stop16h 20m

Los Angeles

Mon 19/5

22:50-17:15

Nonstop10h 25m

£398

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 21/4

07:25-14:35

1 stop15h 10m

San Francisco

Mon 28/4

12:55-07:25

Nonstop10h 30m

£399

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 28/4

11:15-14:20

Nonstop11h 05m

San Francisco

Tue 20/5

21:20-15:40

Nonstop10h 20m

£400

Flights are sorted by cheapest return flights first.

Deals found on 24/3

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 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

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 £575). Flying from United Kingdom to California in July is currently the most expensive (average of £811). 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 26 March 2025.

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.

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 - 87.0 inches per month. February is typically the wettest month, when rainfall can reach 87.0 mm. July is typically the driest time to visit California when rainfall is around 0.0 mm.

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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

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 26 March 2025.
See what other customers who have flown with Delta, KLM and Air Transat from United Kingdom to California have to say. 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
7,890 reviews
Check prices

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
7,890 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
1,319 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
381 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
Finnair
7.6
Good
1,266 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

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
SWISS
7.5
Good
1,569 reviews
Delta
8.0
Very Good
7,890 reviews
Check prices

Comfort

8.0

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

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 TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at £288. Vueling flights start at £292 while deals on Aer Lingus start at £376 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, January is the cheapest month in which you can book a flight from United Kingdom to California (average of £575). Flying from United Kingdom to California in July is currently the most expensive (average of £811). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 858,174 searches. Data last updated 26 March 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£247Average£579FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest£289Average£587FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Norse Atlantic UKCheapest£303Average£540FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
Air FranceCheapest£327Average£576FlexibilityNo cancel feeOn-time77%
Search Air France flights
TAP AIR PORTUGALCheapest£358Average£537FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
SWISSCheapest£361Average£564FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Scandinavian AirlinesCheapest£367Average£531FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Austrian AirlinesCheapest£369Average£507FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Brussels AirlinesCheapest£384Average£541FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
United AirlinesCheapest£392Average£645FlexibilityNo cancel feeOn-time69%
Search United 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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