How long is the flight from United Kingdom to California?

United Airlines, British Airways, and SWISS can get you from United Kingdom to California in just under 15h 35m. Your travel time can differ by up to 19h 30m. 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 LEVEL, which is currently one of the cheapest options available, starting at £237. Norse Atlantic UK flights start at £258 while deals on JetBlue start at £277 one-way.

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.

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).

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.

£237+ Flights from the United Kingdom to California

Cheap flight deals from United Kingdom to California

Round-trip from	£349
One-way from	£237
Popular in	December
Cheapest in	September
Average price	£400
Good round-trip deal	£334 or less
Good one-way deal	£231 or less

Virgin Atlantic
6/10-15/10
1 total stop
33h 25m total
United Kingdom to California

Search Deals

LEVEL
13/12
1 total stop
29h 20m total
United Kingdom to California

Search Deals

Highest demand for flights based on searches. 3% potential increase in price (£12 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 September 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

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 17 September 2025.

Mon 6/1020:55LHR - LAX

1 stop22h 55mVirgin Atlantic

Wed 15/1015:30LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 15/9£349

Tue 23/906:30LHR - LAX

1 stop13h 20mVirgin Atlantic

Tue 30/920:05LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 15/9£350

Tue 7/1006:30LHR - LAX

1 stop13h 20mVirgin Atlantic

Fri 17/1015:30LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 16/9£350

Thu 25/906:55LHR - LAX

1 stop16h 20mLufthansa

Thu 9/1016:40LAX - LHR

Nonstop10h 30mLufthansa

Deal found 14/9£352

Fri 26/906:00LHR - LAX

1 stop15h 05mMultiple Airlines

Fri 10/1008:25LAX - LHR

1 stop14h 50mMultiple Airlines

Deal found 16/9£353

Mon 22/906:00LHR - LAX

1 stop18h 30mMultiple Airlines

Wed 8/1007:00LAX - LHR

1 stop14h 55mMultiple Airlines

Deal found 16/9£353

Wed 8/1015:05LGW - LAX

1 stop25h 58mBritish Airways

Tue 21/1007:00LAX - LGW

1 stop17h 10mBritish Airways

Deal found 15/9£353

Thu 30/1009:00LHR - LAX

1 stop15h 35mMultiple Airlines

Thu 6/1119:00LAX - LHR

Nonstop10h 30mMultiple Airlines

Deal found 15/9£354

Thu 30/1008:50LHR - LAX

1 stop17h 40mAer Lingus

Fri 7/1120:15LAX - LHR

1 stop12h 35mAer Lingus

Deal found 15/9£355

Thu 6/1112:10LHR - LAX

1 stop14h 20mAer Lingus

Thu 13/1120:15LAX - LHR

1 stop16h 50mAer Lingus

Deal found 14/9£356

Sat 20/909:50LGW - LAX

Nonstop11h 15mNorse Atlantic UK

Wed 24/916:30LAX - LGW

Nonstop10h 25mNorse Atlantic UK

Deal found 15/9£356

Thu 30/1008:40LHR - SNA

2 stops18h 28mVirgin Atlantic

Thu 6/1111:05SNA - LHR

1 stop15h 25mVirgin Atlantic

Deal found 15/9£362

Best flights from United Kingdom to California
Discover carefully curated flight deals from United Kingdom to California that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2025.

Sat 8/1109:00LHR - LAX

1 stop15h 35mUnited Airlines

Wed 12/1119:00LAX - LHR

Nonstop10h 30mUnited Airlines

Deal found 15/9£359

Tue 10/309:00LHR - LAX

1 stop15h 35mMultiple Airlines

Wed 25/320:00LAX - LHR

Nonstop10h 30mMultiple Airlines

Deal found 15/9£360

Sat 7/307:40LHR - LAX

1 stop15h 35mLufthansa

Tue 10/308:45LAX - LHR

1 stop14h 35mLufthansa

Deal found 16/9£365

Thu 30/1010:05LHR - SNA

1 stop16h 59mBritish Airways

Thu 6/1109:30SNA - LHR

1 stop13h 20mBritish Airways

Deal found 15/9£377

Wed 11/313:30LCY - LAX

1 stop35h 05mSWISS

Sun 15/320:10LAX - LCY

1 stop15h 30mSWISS

Deal found 14/9£380

Sun 15/206:30LHR - SFO

1 stop13h 20mDelta

Fri 6/316:30SFO - LHR

Nonstop10h 10mDelta

Deal found 16/9£394

Sat 10/111:05LHR - SNA

1 stop17h 39mVirgin Atlantic

Sat 31/108:00SNA - LHR

1 stop15h 05mVirgin Atlantic

Deal found 16/9£397

Mon 29/912:10LGW - LAX

1 stop30h 05mJetBlue

Tue 7/1009:00LAX - LGW

1 stop16h 35mJetBlue

Deal found 16/9£405

Mon 20/1016:25LGW - SFO

1 stop29h 10mTAP AIR PORTUGAL

Sat 25/1019:35SFO - LGW

1 stop31h 15mTAP AIR PORTUGAL

Deal found 16/9£458

Sat 1/1111:40LGW - SFO

1 stop33h 00mAir Transat

Tue 18/1113:40SFO - LGW

1 stop36h 05mAir Transat

Deal found 15/9£527

Mon 6/1010:45LGW - LAS

2 stops38h 49mWestJet

Fri 10/1008:00LAS - LGW

2 stops41h 25mWestJet

Deal found 14/9£609

Thu 30/1009:00LHR - LAX

1 stop15h 35mUnited Airlines

Wed 5/1100:25LAX - LHR

1 stop21h 30mUnited Airlines

Deal found 15/9£360

Fri 6/209:00LHR - LAX

1 stop15h 35mMultiple Airlines

Fri 20/208:45LAX - LHR

1 stop13h 10mMultiple Airlines

Deal found 15/9£360

Thu 5/317:45LCY - SFO

1 stop30h 45mSWISS

Mon 9/320:25SFO - LCY

1 stop13h 40mSWISS

Deal found 15/9£386

Fri 21/1111:45LHR - ONT

1 stop17h 26mBritish Airways

Sun 30/1116:47ONT - LHR

1 stop12h 28mBritish Airways

Deal found 14/9£390

Wed 8/1016:15LHR - SFO

Nonstop11h 05mLufthansa

Wed 15/1013:05SFO - LHR

Nonstop10h 20mLufthansa

Deal found 16/9£394

Thu 30/1006:30LHR - ONT

2 stops19h 49mDelta

Thu 6/1106:00ONT - LHR

2 stops18h 45mDelta

Deal found 15/9£394

Wed 5/1109:00LHR - LAX

1 stop15h 35mMultiple Airlines

Wed 12/1119:00LAX - LHR

Nonstop10h 30mMultiple Airlines

Deal found 16/9£361

Sat 8/1109:00LHR - LAX

1 stop15h 35mUnited Airlines

Fri 14/1100:25LAX - LHR

1 stop21h 30mUnited Airlines

Deal found 16/9£361

Tue 14/1013:25LHR - SNA

1 stop16h 52mVirgin Atlantic

Tue 21/1008:00SNA - LHR

2 stops18h 30mVirgin Atlantic

Deal found 16/9£416

Wed 1/1010:30LHR - SNA

1 stop15h 36mBritish Airways

Sat 22/1116:25SNA - LHR

1 stop12h 50mBritish Airways

Deal found 15/9£390

Sat 4/1016:15LHR - SFO

Nonstop11h 05mLufthansa

Sat 11/1013:02SFO - LHR

1 stop13h 38mLufthansa

Deal found 16/9£394

Fri 7/1109:00LHR - LAX

1 stop15h 35mUnited Airlines

Sat 8/1100:25LAX - LHR

1 stop21h 30mUnited Airlines

Deal found 16/9£361

Thu 30/1008:55LHR - SNA

2 stops20h 33mDelta

Thu 6/1108:00SNA - LHR

1 stop15h 05mDelta

Deal found 15/9£398

Thu 6/1118:40LGW - LAX

1 stop29h 55mSWISS

Thu 13/1119:10LAX - LGW

1 stop14h 40mSWISS

Deal found 16/9£402

Fri 12/1216:40LGW - SFO

1 stop30h 05mTAP AIR PORTUGAL

Sat 27/1216:35SFO - LGW

2 stops20h 05mTAP AIR PORTUGAL

Deal found 16/9£459

Wed 1/1017:10LCY - SFO

1 stop26h 35mVirgin Atlantic

Sat 28/213:55SFO - LCY

1 stop15h 20mVirgin Atlantic

Deal found 17/9£422

Sat 1/1110:05LHR - ONT

1 stop15h 47mMultiple Airlines

Fri 7/1115:08ONT - LHR

1 stop13h 07mMultiple Airlines

Deal found 14/9£390

Fri 26/911:15LHR - ONT

1 stop15h 01mBritish Airways

Wed 8/1014:51ONT - LHR

1 stop15h 34mBritish Airways

Deal found 14/9£391

Sun 2/1105:30LHR - LAX

1 stop14h 35mUnited Airlines

Sun 9/1119:00LAX - LHR

Nonstop10h 30mUnited Airlines

Deal found 15/9£364

Direct flights from United Kingdom to California
Explore direct flight options from United Kingdom to California based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 September 2025.

Tue 7/1017:30LHR - LAX

Nonstop11h 15mVirgin Atlantic

Fri 17/1022:50LAX - LHR

Nonstop10h 25mVirgin Atlantic

Deal found 15/9£351

Thu 20/1117:20LHR - LAX

Nonstop11h 20mVirgin Atlantic

Mon 24/1116:35LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 16/9£352

Fri 3/1017:30LHR - LAX

Nonstop11h 15mVirgin Atlantic

Mon 6/1022:50LAX - LHR

Nonstop10h 25mVirgin Atlantic

Deal found 15/9£353

Wed 8/1014:30LHR - LAX

Nonstop11h 15mVirgin Atlantic

Wed 15/1015:30LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 15/9£353

Thu 30/1011:20LHR - LAX

Nonstop11h 15mVirgin Atlantic

Thu 6/1122:30LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 15/9£354

Tue 7/1017:30LHR - LAX

Nonstop11h 15mVirgin Atlantic

Tue 14/1015:45LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 15/9£355

Sun 28/909:55LHR - LAX

Nonstop11h 20mVirgin Atlantic

Sun 19/1022:50LAX - LHR

Nonstop10h 25mVirgin Atlantic

Deal found 16/9£356

Fri 26/917:30LHR - LAX

Nonstop11h 15mVirgin Atlantic

Mon 29/922:50LAX - LHR

Nonstop10h 25mVirgin Atlantic

Deal found 15/9£356

Fri 10/1010:55LGW - LAX

Nonstop11h 15mNorse Atlantic UK

Fri 17/1016:30LAX - LGW

Nonstop10h 25mNorse Atlantic UK

Deal found 16/9£356

Fri 6/317:20LHR - LAX

Nonstop11h 20mVirgin Atlantic

Sun 15/323:30LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 15/9£359

Tue 13/111:20LHR - LAX

Nonstop11h 15mVirgin Atlantic

Sun 18/116:35LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 14/9£359

Fri 27/211:20LHR - LAX

Nonstop11h 15mVirgin Atlantic

Thu 12/317:35LAX - LHR

Nonstop10h 20mVirgin Atlantic

Deal found 16/9£360

Last-minute flights from United Kingdom to California
Discover last-minute flight deals from United Kingdom to California. Data last updated 17 September 2025 and is based on user searches.

Sat 20/909:50LGW - LAX

Nonstop11h 15mNorse Atlantic UK

Sat 27/915:05LAX - LGW

Nonstop10h 25mNorse Atlantic UK

Deal found 15/9£356

Mon 22/906:00LHR - LAX

1 stop18h 30mMultiple Airlines

Wed 8/1016:40LAX - LHR

Nonstop10h 30mMultiple Airlines

Deal found 16/9£353

Tue 23/906:30LHR - LAX

1 stop13h 20mVirgin Atlantic

Tue 30/920:05LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 15/9£350

Thu 25/906:55LHR - LAX

1 stop16h 20mLufthansa

Thu 9/1016:40LAX - LHR

Nonstop10h 30mLufthansa

Deal found 14/9£352

Fri 26/906:00LHR - LAX

1 stop15h 05mMultiple Airlines

Fri 10/1008:25LAX - LHR

1 stop14h 50mMultiple Airlines

Deal found 16/9£353

Mon 6/1020:55LHR - LAX

1 stop22h 55mVirgin Atlantic

Wed 15/1015:30LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 15/9£349

Tue 7/1006:30LHR - LAX

1 stop13h 20mVirgin Atlantic

Fri 17/1015:30LAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 16/9£350

Wed 8/1015:05LGW - LAX

1 stop25h 58mBritish Airways

Tue 21/1007:00LAX - LGW

1 stop17h 10mBritish Airways

Deal found 15/9£353

Wed 29/1020:25LHR - ONT

2 stops33h 16mVirgin Atlantic

Wed 5/1106:00ONT - LHR

2 stops17h 05mVirgin Atlantic

Deal found 14/9£361

Thu 30/1009:00LHR - LAX

1 stop15h 35mMultiple Airlines

Thu 6/1119:00LAX - LHR

Nonstop10h 30mMultiple Airlines

Deal found 15/9£354

Thu 30/1008:50LHR - LAX

1 stop17h 40mAer Lingus

Fri 7/1120:15LAX - LHR

1 stop12h 35mAer Lingus

Deal found 15/9£355

Thu 30/1008:40LHR - SNA

2 stops18h 28mVirgin Atlantic

Thu 6/1111:05SNA - LHR

1 stop15h 25mVirgin Atlantic

Deal found 15/9£362

One-way flights from United Kingdom to California
Search for one-way flight options from United Kingdom to California. Find affordable one-way fares based on user searches. Data last updated 17 September 2025.

Sat 13/1220:50LHR - LAX

1 stop29h 20mLEVEL

Deal found 16/9£237

Mon 2/219:30LGW - LAX

1 stop30h 35mLEVEL

Deal found 15/9£238

Sat 13/1214:35LGW - LAX

1 stop35h 35mLEVEL

Deal found 16/9£239

Wed 18/213:10LGW - LAX

1 stop36h 55mMultiple Airlines

Deal found 15/9£240

Wed 24/910:55LGW - LAX

Nonstop11h 15mNorse Atlantic UK

Deal found 15/9£241

Sun 15/309:55LHR - LAX

1 stop16h 15mLEVEL

Deal found 16/9£242

Wed 14/114:35LGW - LAX

1 stop36h 35mLEVEL

Deal found 15/9£243

Sat 27/909:50LGW - LAX

Nonstop11h 15mNorse Atlantic UK

Deal found 16/9£243

Sat 1/1114:00LGW - LAX

2 stops42h 25mMultiple Airlines

Deal found 16/9£245

Mon 2/218:50LHR - LAX

1 stop31h 15mLEVEL

Deal found 15/9£246

Fri 31/1016:30LHR - ONT

1 stop24h 23mIberia

Deal found 15/9£246

Tue 9/1206:55LGW - LAX

1 stop19h 10mMultiple Airlines

Deal found 16/9£246

Cheapflights Fare Finder

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

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 8/11

09:00-16:35

1 stop15h 35m

Los Angeles

Wed 12/11

19:00-13:30

Nonstop10h 30m

£359

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Tue 10/3

09:00-17:35

1 stop15h 35m

Los Angeles

Wed 25/3

20:00-13:30

Nonstop10h 30m

£360

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 30/10

09:00-17:35

1 stop15h 35m

Los Angeles

Wed 5/11

00:25-05:55

1 stop21h 30m

£360

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 6/2

09:00-16:35

1 stop15h 35m

Los Angeles

Fri 20/2

08:45-05:55

1 stop13h 10m

£360

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 5/11

09:00-16:35

1 stop15h 35m

Los Angeles

Wed 12/11

19:00-13:30

Nonstop10h 30m

£361

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 8/11

09:00-16:35

1 stop15h 35m

Los Angeles

Fri 14/11

00:25-05:55

1 stop21h 30m

£361

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 7/11

09:00-16:35

1 stop15h 35m

Los Angeles

Sat 8/11

00:25-05:55

1 stop21h 30m

£361

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 2/11

05:30-13:05

1 stop14h 35m

Los Angeles

Sun 9/11

19:00-13:30

Nonstop10h 30m

£364

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sat 7/3

07:40-15:15

1 stop15h 35m

Los Angeles

Tue 10/3

08:45-06:20

1 stop14h 35m

£365

LondonSanta Ana

LHR - SNA

LHRSNA

London Heathrow

Thu 30/10

10:05-20:04

1 stop16h 59m

Santa Ana J. Wayne/Orange Cnty

Thu 6/11

09:30-06:50

1 stop13h 20m

£377

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 60 results

...

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 £573). 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?

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

The most flights from GB0 to USCA are scheduled on a Saturday (54 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (53 on average).

Reviews of airlines servicing California

Get a feel of what it's like to fly with KLM, Finnair, andVirgin Atlantic 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

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

KLM

7.8

Good

1,386 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Finnair

7.6

Good

1,324 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Virgin Atlantic

7.4

Good

664 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Lufthansa

6.8

Okay

7,407 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

British Airways

6.7

Okay

7,363 reviews

KLM

7.8

Good

1,386 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Mark,Sept 2025

AMS - BHX

Crew and snacks were good, boarding wasn't great as busses were used rather than boarding tunnels. Also endured a one hour delay.

Related info for your journey

How long is the flight from United Kingdom to California?
United Airlines, British Airways, and SWISS can get you from United Kingdom to California in just under 15h 35m. Your travel time can differ by up to 19h 30m. 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 LEVEL, which is currently one of the cheapest options available, starting at £237. Norse Atlantic UK flights start at £258 while deals on JetBlue start at £277 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 £573). 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

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Complete your trip

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Top 10 airlines flying from United Kingdom to California

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest£234	Average£588	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
SWISS	Cheapest£287	Average£512	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Norse Atlantic UK	Cheapest£290	Average£523	FlexibilityNo cancel fee	On-timeN/A	Search Norse Atlantic UK flights
Aer Lingus	Cheapest£329	Average£711	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
United Airlines	Cheapest£333	Average£614	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
TAP AIR PORTUGAL	Cheapest£345	Average£526	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Air France	Cheapest£350	Average£586	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Brussels Airlines	Cheapest£352	Average£467	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
Austrian Airlines	Cheapest£352	Average£478	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
Air Canada	Cheapest£354	Average£552	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

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Cheap flights from the United Kingdom to California from £237

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 13/12. Fares are subject to change and may not be available on all flights or dates of travel.

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 17 September 2025.

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Cheapest flights from United Kingdom to CaliforniaExplore 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 17 September 2025.

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 17 September 2025.

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Best time to book a flight from United Kingdom to California

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Everything you need to know about your flight from the United Kingdom to California

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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 17 September 2025.

Weekly flight availability from United Kingdom to California

Reviews of airlines servicing California

Get a feel of what it's like to fly with KLM, Finnair, andVirgin Atlantic 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.

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.

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Alternative routes for United Kingdom to California

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Top 10 airlines flying from United Kingdom to California

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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 17 September 2025.