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Cheap flights from the United Kingdom to California from £310

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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAX
11 Jan — 18 Jan1
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 12 December 2025.

Sat 27/1212:05LHR - LAX
1 stop16h 29mUnited Airlines
Mon 14/915:40LAX - LHR
Nonstop10h 30mUnited Airlines
Deal found 11/12£468
Thu 25/1206:00LHR - LAX
1 stop16h 40mTAP AIR PORTUGAL
Thu 29/116:45LAX - LHR
1 stop34h 40mTAP AIR PORTUGAL
Deal found 10/12£470
Tue 23/1208:15LHR - SFO
1 stop38h 15mTAP AIR PORTUGAL
Mon 19/116:35SFO - LHR
1 stop16h 55mTAP AIR PORTUGAL
Deal found 10/12£473
Fri 26/1206:00LHR - SFO
1 stop18h 05mTAP AIR PORTUGAL
Mon 12/116:35SFO - LHR
1 stop21h 00mTAP AIR PORTUGAL
Deal found 11/12£476
Fri 26/1206:00LHR - SFO
1 stop18h 05mTAP AIR PORTUGAL
Mon 29/1216:35SFO - LHR
1 stop36h 05mTAP AIR PORTUGAL
Deal found 10/12£482
Thu 25/1218:30LHR - SFO
1 stop29h 35mTAP AIR PORTUGAL
Sat 10/116:35SFO - LHR
1 stop18h 20mTAP AIR PORTUGAL
Deal found 11/12£484
Sat 27/1210:05LHR - LAX
1 stop16h 58mUnited Airlines
Thu 10/915:40LAX - LHR
Nonstop10h 30mUnited Airlines
Deal found 11/12£485
Wed 24/1215:25LHR - SFO
Nonstop11h 20mBritish Airways
Tue 6/120:40SFO - LHR
Nonstop10h 30mBritish Airways
Deal found 10/12£486
Thu 18/1210:05LHR - LAX
Nonstop11h 25mBritish Airways
Wed 31/1218:00LAX - LHR
Nonstop10h 30mBritish Airways
Deal found 10/12£487
Sat 13/1210:10LGW - SFO
2 stops60h 25mTAP AIR PORTUGAL
Fri 9/119:10SFO - LGW
1 stop30h 40mTAP AIR PORTUGAL
Deal found 11/12£490
Sat 27/1212:05LHR - LAX
1 stop19h 25mUnited Airlines
Sun 13/915:40LAX - LHR
Nonstop10h 30mUnited Airlines
Deal found 11/12£490
Fri 26/1206:00LHR - SFO
1 stop18h 05mTAP AIR PORTUGAL
Fri 9/119:10SFO - LHR
1 stop19h 30mTAP AIR PORTUGAL
Deal found 12/12£495

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 12 December 2025.

Round-trip from

£373

One-way from

£310

Popular in

July

Cheapest in

September

Average price

£584

Good round-trip deal

£386 or less

Good one-way deal

£360 or less
United Airlines
  • United Airlines
  • 12/1-2/2
  • 2 total stops
  • 31h 15m total
  • United Kingdom to California
Search Deals
British Airways
  • British Airways
  • 2/2
  • 2 total stops
  • 35h 08m total
  • United Kingdom to California
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£49 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 12 December 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 12/1

13:45-22:53

1 stop17h 08m

Ontario

Mon 2/2

13:53-12:00

1 stop14h 07m

£373

LondonLos Angeles

STN - LAX

STNLAX

London Stansted

Tue 20/1

17:00-13:05

2 stops28h 05m

Los Angeles

Sat 31/1

15:00-23:25

2 stops24h 25m

£448

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 21/2

10:20-17:00

1 stop14h 40m

Los Angeles

Sun 1/3

19:30-21:40

1 stop18h 10m

£459

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Tue 10/3

18:40-17:35

1 stop29h 55m

Los Angeles

Mon 16/3

20:10-17:50

1 stop14h 40m

£462

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 4/3

09:00-16:35

1 stop15h 35m

Los Angeles

Wed 18/3

20:00-13:30

Nonstop10h 30m

£465

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sun 8/2

09:20-23:58

1 stop22h 38m

Las Vegas Harry Reid Intl

Sat 14/2

22:09-20:45

1 stop14h 36m

£470

LondonLos Angeles

STN - LAX

STNLAX

London Stansted

Sun 25/1

06:30-17:00

2 stops18h 30m

Los Angeles

Sun 1/2

19:30-23:00

2 stops19h 30m

£471

LondonLos Angeles

STN - LAX

STNLAX

London Stansted

Thu 22/1

16:30-17:00

2 stops32h 30m

Los Angeles

Sun 25/1

19:30-23:00

2 stops19h 30m

£475

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 12/1

16:40-14:50

1 stop30h 10m

San Francisco

Mon 26/1

12:50-07:25

Nonstop10h 35m

£476

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 16/1

12:20-00:51

1 stop20h 31m

Los Angeles

Sun 18/1

07:00-09:30

1 stop18h 30m

£476

Flights are sorted by cheapest return flights first.

Deals found on 10/12

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, September is the cheapest month in which you can book a flight from United Kingdom to California (average of £239). Flying from United Kingdom to California in July is currently the most expensive (average of £403). 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 12 December 2025.

A simple way to save on the total cost of your ticket is to fly from United Kingdom to California in the afternoon. If you’re flexible enough to do this you can expect to save up to 6% on your trip compared to booking a flight at midday.

What is the cheapest day to fly from United Kingdom to California?

Use this chart to determine the cheapest time to fly return from United Kingdom to California. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their United Kingdom to California flight should consider departing on Sunday mornings when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 12 December 2025.

The most flights from GB0 to USCA are scheduled on a Monday (50 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (44 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 12 December 2025.
Get a feel of what it's like to fly with KLM, Virgin Atlantic, andUnited Airlines 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.
KLM
7.7
Good
1,432 reviews
Check prices

Entertainment

7.1

Crew

8.3

Boarding

7.8

Overall

7.7

Food

7.2

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,432 reviews
KLM
7.7
Good
1,432 reviews
Check prices

Entertainment

7.1

Crew

8.3

Boarding

7.8

Overall

7.7

Food

7.2

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Virgin Atlantic
7.5
Good
675 reviews
KLM
7.7
Good
1,432 reviews
Check prices

Entertainment

7.1

Crew

8.3

Boarding

7.8

Overall

7.7

Food

7.2

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
United Airlines
7.4
Good
9,095 reviews
KLM
7.7
Good
1,432 reviews
Check prices

Entertainment

7.1

Crew

8.3

Boarding

7.8

Overall

7.7

Food

7.2

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Lufthansa
6.8
Okay
7,626 reviews
KLM
7.7
Good
1,432 reviews
Check prices

Entertainment

7.1

Crew

8.3

Boarding

7.8

Overall

7.7

Food

7.2

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
British Airways
6.7
Okay
7,571 reviews
KLM
7.7
Good
1,432 reviews
Check prices

Entertainment

7.1

Crew

8.3

Boarding

7.8

Overall

7.7

Food

7.2

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

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?

    United Airlines, Scandinavian Airlines, and SWISS can get you from United Kingdom to California in just under 14h 40m. Your travel time can differ by up to 15h 15m. 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 Vueling, which is currently one of the cheapest options available, starting at £142. Norse Atlantic UK flights start at £164 while deals on TAP AIR PORTUGAL start at £191 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 £239). Flying from United Kingdom to California in July is currently the most expensive (average of £403). 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 858,174 searches. Data last updated 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£238Average£640FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
FinnairCheapest£280Average£541FlexibilityNo cancel feeOn-time76%
Search Finnair flights
SWISSCheapest£292Average£521FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Norse Atlantic UKCheapest£294Average£528FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
Air CanadaCheapest£336Average£573FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest£339Average£603FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Austrian AirlinesCheapest£357Average£496FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Air FranceCheapest£358Average£604FlexibilityNo cancel feeOn-time77%
Search Air France flights
TAP AIR PORTUGALCheapest£359Average£514FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Brussels AirlinesCheapest£359Average£485FlexibilityNo cancel feeOn-timeN/A
Search Brussels 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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