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 $376. WestJet flights start at $408 while deals on Vueling start at $413 one-way.

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

To save on the cost of your flight from United Kingdom to California, book at least 8 days before your planned departure. Booking around this time can save you about 21% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $605 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $872.

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

Due to multiple factors, expect to potentially pay more when booking in August. For low rates, February can be a great choice for travel to California. Flights to California from United Kingdom in February are about $669 on average during February, but can be found for as low as $472.

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 vacation 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.

$539+ Flights from the United Kingdom to California

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Cheap flight deals from United Kingdom to California

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$501 (Gotogate)
One-way from	$296 (Norse)
Popular in	August
Cheapest in	February
Average price	$597
Good round-trip deal	$362 or less
Good one-way deal	$354 or less

Provider with most accurate pricing for London (LON)-Los Angeles flight deals.

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Provider most trusted by Cheapflights users for London (LON)-Los Angeles flights.

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From United Kingdom to California

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One-way flight from United Kingdom to California

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Highest demand for flights based on searches. 9% potential increase in price ($74 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).

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Average for round-trip flights in March 2025

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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 March 28, 2025.

Fri 4/259:55 amLHR - LAX

Nonstop11h 20mKLM

Sun 5/48:05 pmLAX - LHR

Nonstop10h 30mKLM

Deal found 3/26

$501

Thu 5/17:25 amLHR - LAX

1 stop15h 50mLufthansa

Thu 5/84:35 pmLAX - LHR

Nonstop10h 35mLufthansa

Deal found 3/26

$502

Fri 5/26:00 amLHR - LAX

1 stop18h 30mMultiple Airlines

Fri 5/164:35 pmLAX - LHR

Nonstop10h 35mMultiple Airlines

Deal found 3/27

$503

Fri 4/258:40 amLHR - LAX

2 stops19h 42mAir Canada

Fri 5/28:05 amLAX - LHR

1 stop14h 25mAir Canada

Deal found 3/26

$505

Thu 5/17:30 pmLHR - LAX

1 stop25h 35mAustrian Airlines

Fri 5/97:00 amLAX - LHR

1 stop16h 15mAustrian Airlines

Deal found 3/27

$508

Fri 5/26:30 amLHR - LAX

1 stop14h 30mUnited Airlines

Fri 5/161:25 pmLAX - LHR

1 stop13h 00mUnited Airlines

Deal found 3/26

$511

Sun 4/276:15 amLHR - LAX

1 stop20h 05mVirgin Atlantic

Fri 5/98:05 pmLAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 3/27

$513

Sun 5/46:30 amLHR - LAX

1 stop16h 20mDelta

Mon 5/1910:50 pmLAX - LHR

Nonstop10h 25mDelta

Deal found 3/26

$515

Thu 4/172:45 pmLHR - LAX

Nonstop11h 20mBritish Airways

Fri 4/251:50 pmLAX - LHR

1 stop13h 00mBritish Airways

Deal found 3/25

$516

Tue 9/237:05 amLHR - LAX

2 stops17h 15mScandinavian Airlines

Tue 9/307:30 pmLAX - LHR

2 stops17h 50mScandinavian Airlines

Deal found 3/27

$517

Thu 5/86:40 amLHR - SFO

1 stop17h 50mScandinavian Airlines

Mon 5/197:40 pmSFO - LHR

2 stops17h 40mScandinavian Airlines

Deal found 3/27

$519

Wed 5/711:45 amLHR - ONT

2 stops19h 57mVirgin Atlantic

Sat 5/171:10 pmONT - LHR

2 stops16h 00mVirgin Atlantic

Deal found 3/26

$519

Best flights from United Kingdom to California
Discover carefully curated flight deals from United Kingdom to California that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 28, 2025.

Fri 5/26:00 amLHR - LAX

1 stop18h 30mMultiple Airlines

Fri 5/1612:05 pmLAX - LHR

1 stop34h 25mMultiple Airlines

Deal found 3/27

$501

Wed 4/236:30 amLHR - LAX

1 stop16h 20mDelta

Mon 4/283:59 pmLAX - LHR

1 stop13h 11mDelta

Deal found 3/27

$502

Thu 5/15:10 pmLHR - LAX

1 stop31h 20mSWISS

Thu 5/87:35 pmLAX - LHR

1 stop14h 15mSWISS

Deal found 3/27

$506

Sun 5/119:30 amLHR - LAX

1 stop21h 29mAir Canada

Sun 5/1812:05 pmLAX - LHR

1 stop13h 55mAir Canada

Deal found 3/27

$507

Thu 5/17:30 pmLHR - LAX

1 stop25h 35mAustrian Airlines

Fri 5/97:00 amLAX - LHR

1 stop16h 15mAustrian Airlines

Deal found 3/27

$508

Sat 4/2610:55 amLHR - LAX

1 stop13h 20mKLM

Sat 5/1710:50 pmLAX - LHR

Nonstop10h 25mKLM

Deal found 3/27

$509

Fri 5/26:30 amLHR - LAX

1 stop14h 30mLufthansa

Sat 5/174:35 pmLAX - LHR

Nonstop10h 35mLufthansa

Deal found 3/27

$510

Thu 4/104:55 pmLHR - LAX

Nonstop11h 20mBritish Airways

Tue 4/159:25 pmLAX - LHR

Nonstop10h 40mBritish Airways

Deal found 3/27

$512

Sun 4/276:15 amLHR - LAX

1 stop20h 05mVirgin Atlantic

Fri 5/98:05 pmLAX - LHR

Nonstop10h 30mVirgin Atlantic

Deal found 3/27

$513

Thu 5/15:30 pmLHR - LAX

Nonstop11h 15mAir France

Fri 5/98:05 pmLAX - LHR

Nonstop10h 30mAir France

Deal found 3/27

$516

Tue 9/237:05 amLHR - LAX

2 stops17h 15mScandinavian Airlines

Tue 9/307:30 pmLAX - LHR

2 stops17h 50mScandinavian Airlines

Deal found 3/27

$517

Fri 4/1811:25 amLHR - SFO

2 stops21h 00mUnited Airlines

Wed 7/238:30 amSFO - LHR

1 stop18h 10mUnited Airlines

Deal found 3/27

$520

Last-minute flights from United Kingdom to California
Discover last-minute flight deals from United Kingdom to California. Data last updated March 28, 2025 and is based on user searches.

Wed 4/28:05 pmLHR - SFO

1 stop28h 05mMultiple Airlines

Thu 4/103:55 pmSFO - LHR

Nonstop10h 30mMultiple Airlines

Deal found 3/27

$607

Thu 4/36:55 amLHR - LAX

1 stop16h 20mLufthansa

Tue 4/84:35 pmLAX - LHR

Nonstop10h 35mLufthansa

Deal found 3/26

$573

Thu 4/36:55 amLHR - SFO

1 stop15h 40mLufthansa

Thu 4/1012:55 pmSFO - LHR

Nonstop10h 30mLufthansa

Deal found 3/27

$579

Thu 4/38:40 amLHR - LAX

1 stop15h 50mMultiple Airlines

Thu 4/104:35 pmLAX - LHR

Nonstop10h 35mMultiple Airlines

Deal found 3/27

$592

Thu 4/37:25 amLHR - LAX

1 stop15h 50mUnited Airlines

Thu 4/104:35 pmLAX - LHR

Nonstop10h 35mUnited Airlines

Deal found 3/27

$596

Thu 4/34:55 pmLHR - LAX

Nonstop11h 20mBritish Airways

Wed 4/91:20 pmLAX - LHR

Nonstop10h 40mBritish Airways

Deal found 3/27

$598

Thu 4/311:15 amLHR - SFO

1 stop15h 42mBritish Airways

Fri 4/182:45 pmSFO - LHR

1 stop13h 30mBritish Airways

Deal found 3/27

$603

Thu 4/39:30 amLHR - LAX

2 stops19h 49mAir Canada

Wed 4/912:10 pmLAX - LHR

1 stop17h 10mAir Canada

Deal found 3/27

$608

Thu 4/310:35 amLHR - SFO

Nonstop11h 05mBrussels Airlines

Sat 5/177:40 pmSFO - LHR

Nonstop10h 30mBrussels Airlines

Deal found 3/27

$611

Thu 4/37:25 amLHR - SFO

1 stop15h 10mUnited Airlines

Fri 4/1111:59 pmSFO - LHR

1 stop23h 41mUnited Airlines

Deal found 3/27

$623

Thu 4/38:30 amLHR - SFO

1 stop21h 07mAir Canada

Sat 5/178:35 amSFO - LHR

2 stops17h 25mAir Canada

Deal found 3/27

$624

Thu 4/34:55 pmLHR - LAX

Nonstop11h 20mAmerican Airlines

Thu 4/101:20 pmLAX - LHR

Nonstop10h 40mAmerican Airlines

Deal found 3/27

$625

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 March 28, 2025.

Sun 4/272:00 pmLGW - LAS

1 stop34h 00mMultiple Airlines

Deal found 3/27

$296

Sat 5/107:10 pmLHR - LAS

2 stops30h 25mMultiple Airlines

Deal found 3/26

$305

Mon 5/56:20 amLHR - LAX

3 stops36h 25mMultiple Airlines

Deal found 3/27

$363

Sun 4/67:40 amLTN - LAX

2 stops36h 50mMultiple Airlines

Deal found 3/27

$366

Sat 5/176:45 pmLHR - LAX

1 stop27h 40mTAP AIR PORTUGAL

Deal found 3/27

$376

Wed 6/188:30 amLCY - LAX

2 stops21h 17mMultiple Airlines

Deal found 3/27

$391

Tue 5/66:45 amLCY - LAS

2 stops18h 50mMultiple Airlines

Deal found 3/27

$403

Sat 6/212:10 pmLHR - LAX

1 stop15h 37mWestJet

Deal found 3/27

$408

Sat 6/212:10 pmLHR - LAS

1 stop15h 20mWestJet

Deal found 3/27

$412

Wed 5/78:50 pmLHR - LAX

1 stop29h 20mVueling

Deal found 3/27

$413

Tue 4/222:10 pmLHR - ONT

2 stops33h 07mMultiple Airlines

Deal found 3/26

$463

Sun 6/110:45 amLGW - LAS

2 stops31h 55mWestJet

Deal found 3/27

$472

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

Wed 5/14

12:00 pm-6:25 pm

1 stop14h 25m

Los Angeles

Fri 5/23

9:30 pm-4:05 pm

Nonstop10h 35m

$501

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 4/23

6:30 am-2:50 pm

1 stop16h 20m

Los Angeles

Mon 4/28

3:59 pm-1:10 pm

1 stop13h 11m

$502

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 5/11

8:45 am-4:30 pm

1 stop15h 45m

Los Angeles

Sun 5/18

4:35 pm-11:10 am

Nonstop10h 35m

$504

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 5/7

8:40 am-7:50 pm

2 stops19h 10m

Los Angeles

Wed 5/14

8:05 am-10:00 am

1 stop17h 55m

$505

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 5/1

5:10 pm-4:30 pm

1 stop31h 20m

Los Angeles

Thu 5/8

7:35 pm-5:50 pm

1 stop14h 15m

$506

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 5/1

7:30 pm-1:05 pm

1 stop25h 35m

Los Angeles

Fri 5/9

7:00 am-7:15 am

1 stop16h 15m

$508

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Mon 5/12

7:25 am-3:15 pm

1 stop15h 50m

Los Angeles

Mon 5/19

4:35 pm-11:10 am

Nonstop10h 35m

$509

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 5/2

6:30 am-1:00 pm

1 stop14h 30m

Los Angeles

Fri 5/16

4:35 pm-11:10 am

Nonstop10h 35m

$510

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Sun 4/27

6:15 am-6:20 pm

1 stop20h 05m

Los Angeles

Fri 5/9

8:05 pm-2:35 pm

Nonstop10h 30m

$513

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Thu 5/1

5:30 pm-8:45 pm

Nonstop11h 15m

Los Angeles

Fri 5/9

8:05 pm-2:35 pm

Nonstop10h 30m

$516

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

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 round-trip 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 $246). Flying from United Kingdom to California in March is currently the most expensive (average of $330). 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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from United Kingdom to California as you normally would.

Rainfall in California by month

In terms of precipitation, rainfall in California ranges from 0.0 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. July is typically the driest time to visit California when rainfall is around 0.0 in.

Temperature in California 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing California

Read through reviews of airlines operating flights from United Kingdom to California, such as Delta, Air New Zealand and KLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,897 reviews

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

7,897 reviews

Delta

8.0

Very good

7,897 reviews

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 New Zealand

7.9

Good

455 reviews

Delta

8.0

Very good

7,897 reviews

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

1,321 reviews

Delta

8.0

Very good

7,897 reviews

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

7,897 reviews

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

LOT

7.6

Good

1,063 reviews

Delta

8.0

Very good

7,897 reviews

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

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 $376. WestJet flights start at $408 while deals on Vueling start at $413 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 vacation 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 $246). Flying from United Kingdom to California in March is currently the most expensive (average of $330). 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

Top 10 airlines flying from United Kingdom to California

Airline	Cheapest	Average	Flexibility	On-time
Finnair	Cheapest$382	Average$676	FlexibilityNo cancel fee	On-time76%
Norse Atlantic UK	Cheapest$420	Average$676	FlexibilityNo cancel fee	On-timeN/A
Scandinavian Airlines	Cheapest$475	Average$677	FlexibilityNo cancel fee	On-time77%
American Airlines	Cheapest$482	Average$791	FlexibilityNo cancel fee	On-time71%
Austrian Airlines	Cheapest$500	Average$722	FlexibilityNo cancel fee	On-time78%
Virgin Atlantic	Cheapest$501	Average$894	FlexibilityNo cancel fee	On-time72%
Brussels Airlines	Cheapest$512	Average$625	FlexibilityNo cancel fee	On-timeN/A
British Airways	Cheapest$512	Average$772	FlexibilityNo cancel fee	On-time70%
Iberia	Cheapest$519	Average$734	FlexibilityNo cancel fee	On-time77%
Delta	Cheapest$519	Average$815	FlexibilityNo cancel fee	On-timeN/A

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$282+ Cheap flights from the United Kingdom to California

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 5/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from United Kingdom to California with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 March 28, 2025.

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from United Kingdom to California

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 March 28, 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 March 28, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from the United Kingdom to California that are best for you.

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.

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?

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 March 28, 2025.

Rainfall in California by month

Plan your trip to California by taking into account the average rainfall totals by month.

Temperature in California by month

Plan your trip to California by taking into account the average temperature totals by month.

Reviews of airlines servicing California

Read through reviews of airlines operating flights from United Kingdom to California, such as Delta, Air New Zealand and KLM. Reviews also offer insight into each airline's 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.

What are the cheapest airlines to fly from United Kingdom to California one-way?

Can I find deals for flights from United Kingdom to California that include hotel bookings?

How can I find direct flights from United Kingdom to California?

Can I find deals for business class flights from United Kingdom to California?

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

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.

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 March 28, 2025.