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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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAX
27 Jan — 3 Feb1
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 28 December 2025.

Mon 29/1206:30LHR - ONT
2 stops18h 38mDelta
Wed 7/115:30ONT - LHR
2 stops32h 35mDelta
Deal found 27/12£481
Wed 31/1210:05LHR - LAX
Nonstop11h 25mBritish Airways
Tue 6/115:30LAX - LHR
Nonstop10h 30mBritish Airways
Deal found 27/12£481
Tue 30/1210:45LHR - ONT
1 stop33h 44mDelta
Thu 8/122:30ONT - LHR
2 stops25h 35mDelta
Deal found 27/12£493
Sun 28/1210:45LHR - ONT
1 stop13h 27mDelta
Sat 17/113:11ONT - LHR
1 stop12h 49mDelta
Deal found 27/12£494
Fri 26/1206:00LHR - SFO
1 stop18h 05mTAP AIR PORTUGAL
Wed 21/116:35SFO - LHR
1 stop22h 05mTAP AIR PORTUGAL
Deal found 25/12£518
Sun 28/1212:20LHR - ONT
1 stop18h 29mVirgin Atlantic
Thu 15/107:30ONT - LHR
1 stop20h 25mVirgin Atlantic
Deal found 27/12£523
Fri 26/1219:55LHR - SFO
1 stop26h 50mTAP AIR PORTUGAL
Sat 31/116:35SFO - LHR
1 stop16h 55mTAP AIR PORTUGAL
Deal found 26/12£546
Fri 26/1206:00LHR - SFO
1 stop18h 05mTAP AIR PORTUGAL
Wed 7/116:35SFO - LHR
1 stop36h 05mTAP AIR PORTUGAL
Deal found 25/12£571
Fri 26/1206:00LHR - SFO
1 stop18h 05mTAP AIR PORTUGAL
Sat 17/116:35SFO - LHR
1 stop21h 00mTAP AIR PORTUGAL
Deal found 25/12£575
Tue 30/1210:45LHR - ONT
1 stop13h 27mVirgin Atlantic
Sat 10/106:00ONT - LHR
1 stop20h 00mVirgin Atlantic
Deal found 26/12£590
Fri 26/1218:30LHR - SFO
1 stop28h 15mTAP AIR PORTUGAL
Sat 10/116:35SFO - LHR
1 stop21h 00mTAP AIR PORTUGAL
Deal found 26/12£598
Tue 30/1210:05LHR - LAX
Nonstop11h 25mAmerican Airlines
Tue 22/915:45LAX - LHR
Nonstop10h 30mAmerican Airlines
Deal found 27/12£599

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 28 December 2025.

Round-trip from

£358

One-way from

£310

Popular in

December

Cheapest in

September

Average price

£584

Good round-trip deal

£379 or less

Good one-way deal

£318 or less
Virgin Atlantic
  • Virgin Atlantic
  • 26/1-2/2
  • 2 total stops
  • 36h 21m total
  • United Kingdom to California
Search Deals
British Airways
  • British Airways
  • 3/3
  • 2 total stops
  • 20h 39m total
  • United Kingdom to California
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£18 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£8 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 28 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

Fri 23/1

13:30-22:53

2 stops17h 23m

Ontario

Fri 30/1

13:24-09:40

1 stop12h 16m

£364

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 11/3

06:30-22:57

2 stops23h 27m

Ontario

Thu 26/3

13:50-09:40

1 stop12h 50m

£364

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Sat 7/2

10:05-17:51

1 stop15h 46m

Ontario

Sun 15/2

13:50-12:00

1 stop14h 10m

£387

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Mon 2/2

10:05-17:43

1 stop15h 38m

Ontario

Fri 13/2

13:50-12:00

1 stop14h 10m

£387

LondonLos Angeles

LCY - LAX

LCYLAX

London City

Wed 11/2

08:40-22:43

2 stops22h 03m

Los Angeles

Wed 18/2

13:45-17:20

1 stop19h 35m

£403

LondonLos Angeles

LCY - LAX

LCYLAX

London City

Tue 10/2

09:20-21:00

2 stops19h 40m

Los Angeles

Tue 17/2

06:00-08:10

2 stops18h 10m

£403

LondonLos Angeles

LCY - LAX

LCYLAX

London City

Mon 26/1

10:00-22:43

2 stops20h 43m

Los Angeles

Mon 2/2

06:00-08:10

2 stops18h 10m

£403

LondonLos Angeles

LCY - LAX

LCYLAX

London City

Mon 23/2

06:50-18:30

1 stop19h 40m

Los Angeles

Mon 2/3

20:15-18:35

1 stop14h 20m

£404

LondonLos Angeles

LGW - LAX

LGWLAX

London Gatwick

Mon 23/2

16:35-15:00

1 stop30h 25m

Los Angeles

Fri 1/5

16:40-09:45

1 stop33h 05m

£406

LondonLos Angeles

LCY - LAX

LCYLAX

London City

Wed 29/4

09:20-14:45

1 stop13h 25m

Los Angeles

Tue 5/5

09:45-09:30

2 stops15h 45m

£409

Flights are sorted by cheapest return flights first.

Deals found on 26/12

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 £237). Flying from United Kingdom to California in July is currently the most expensive (average of £400). 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 28 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 in the evening.

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 28 December 2025.

The most flights from GB0 to USCA are scheduled on a Saturday (52 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (45 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 28 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
1,435 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.4

Comfort

7.6

Overall

7.7

Food

7.2

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
1,435 reviews
KLM
7.7
Good
1,435 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.4

Comfort

7.6

Overall

7.7

Food

7.2

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
677 reviews
KLM
7.7
Good
1,435 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.4

Comfort

7.6

Overall

7.7

Food

7.2

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
9,113 reviews
KLM
7.7
Good
1,435 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.4

Comfort

7.6

Overall

7.7

Food

7.2

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
7,658 reviews
KLM
7.7
Good
1,435 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.4

Comfort

7.6

Overall

7.7

Food

7.2

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
7,616 reviews
KLM
7.7
Good
1,435 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.4

Comfort

7.6

Overall

7.7

Food

7.2

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, Virgin Atlantic, and British Airways can get you from United Kingdom to California in just under 17h 23m. Your travel time can differ by up to 4h 40m. United Kingdom and California are separated by a distance of 5407 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 Norse Atlantic UK, which is currently one of the cheapest options available, starting at £163. Vueling flights start at £195 while deals on TAP AIR PORTUGAL start at £200 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 £237). Flying from United Kingdom to California in July is currently the most expensive (average of £400). 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 28 December 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£236Average£643FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
IberiaCheapest£237Average£587FlexibilityNo cancel feeOn-time77%
Search Iberia flights
FinnairCheapest£278Average£528FlexibilityNo cancel feeOn-time76%
Search Finnair flights
SWISSCheapest£290Average£525FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Norse Atlantic UKCheapest£292Average£523FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
Air CanadaCheapest£333Average£567FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest£336Average£598FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Brussels AirlinesCheapest£355Average£479FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Air FranceCheapest£356Average£618FlexibilityNo cancel feeOn-time77%
Search Air France flights
TAP AIR PORTUGALCheapest£357Average£506FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL 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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