How long is the flight from London to California?

KLM, Lufthansa, and Delta can get you from London to California in just under 11h. Your travel time will be generally consistent. London and California are separated by a distance of 5350 mi. Most flights are nonstop.

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

The cheapet airlines for a one-way flight from London to California are WestJet (£170), JetBlue (£202), and TAP AIR PORTUGAL (£295).

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).

What are the most popular routes from London to California?

The most popular flight routes from London to California are London Heathrow - Los Angeles, London Heathrow - San Francisco and London Heathrow - Las Vegas Harry Reid Intl.

What are the cheapest flights from London to California?

The cheapest flight price from London to California is £331. On average you can expect to pay £2,431. The most popular route, (London Heathrow - Los Angeles), can usually be booked for £300.

What are the most reliable airlines from London to California?

No one likes to see their flight delayed. When booking a flight from London to California consider choosing SriLankan Airlines (95%), Malaysia Airlines (89%) or Fiji Airways (86%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from London to California?

Consider British Airways, Virgin Atlantic or Lufthansa when booking your flight. These represent the most popular airlines when flying from London to California.

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

Yes. In addition to deals on London to California flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from London to California?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to California.

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

Yes. Cheapflights offers flight deals from London 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.

£331+ Cheap Flights from London to California

Cheap flight deals from London to California

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from London to California
Explore the most affordable flight options available from London to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2026.

Mon 21/917:45 -

1 stop36h 55m

Sun 4/1018:00 -

1 stop13h 35m

Deal found 13/9£370

Fri 23/1008:40 -

1 stop15h 55m

Mon 26/1017:40 -

Nonstop10h 35m

Deal found 12/9£376

Mon 26/1006:35 -

1 stop21h 00m

Sat 7/1116:25 -

1 stop13h 05m

Deal found 12/9£379

Wed 11/1109:00 -

2 stops19h 15m

Wed 18/1106:00 -

1 stop17h 40m

Deal found 13/9£380

Wed 14/1010:50 -

2 stops20h 01m

Wed 21/1008:03 -

1 stop19h 07m

Deal found 16/9£382

Wed 4/1107:30 -

2 stops21h 21m

Fri 4/1205:45 -

1 stop20h 30m

Deal found 15/9£384

Mon 26/1009:30 -

2 stops17h 45m

Mon 2/1105:00 -

2 stops16h 55m

Deal found 14/9£384

Thu 24/916:15 -

1 stop14h 44m

Wed 7/1005:00 -

2 stops17h 45m

Deal found 15/9£393

Fri 23/1013:00 -

Nonstop11h 00m

Mon 26/1017:40 -

Nonstop10h 35m

Deal found 12/9£395

Thu 24/907:00 -

2 stops17h 15m

Sun 11/1019:35 -

1 stop14h 15m

Deal found 17/9£396

Tue 22/908:45 -

1 stop15h 30m

Mon 28/919:35 -

1 stop14h 15m

Deal found 16/9£397

Sat 7/1109:05 -

1 stop15h 25m

Wed 25/1119:25 -

1 stop14h 25m

Deal found 17/9£397

Best flights from London to California
Discover carefully curated flight deals from London to California that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2026.

Thu 1/1009:55 -

Nonstop11h 15m

Thu 15/1020:30 -

Nonstop10h 25m

Deal found 15/9£403

Thu 15/1013:00 -

Nonstop11h 00m

Thu 22/1012:55 -

Nonstop10h 30m

Deal found 13/9£404

Fri 25/914:30 -

Nonstop11h 15m

Sun 4/1014:35 -

1 stop13h 40m

Deal found 12/9£404

Mon 5/1011:25 -

2 stops18h 22m

Mon 12/1014:25 -

1 stop18h 00m

Deal found 15/9£405

Sun 14/210:05 -

Nonstop11h 15m

Sun 21/212:50 -

Nonstop10h 35m

Deal found 16/9£409

Fri 2/1017:00 -

2 stops24h 57m

Mon 5/1015:15 -

1 stop16h 45m

Deal found 12/9£410

Sun 1/1114:45 -

1 stop16h 21m

Sun 8/1106:00 -

1 stop22h 20m

Deal found 17/9£436

Tue 13/1006:45 -

1 stop17h 10m

Tue 3/1117:20 -

1 stop16h 10m

Deal found 13/9£459

Fri 13/1109:00 -

1 stop15h 30m

Mon 16/1114:20 -

2 stops20h 55m

Deal found 12/9£497

Thu 19/1116:00 -

1 stop32h 05m

Wed 2/1216:35 -

2 stops33h 25m

Deal found 15/9£528

Sun 1/1110:20 -

1 stop14h 45m

Wed 6/117:30 -

Nonstop10h 40m

Deal found 14/9£553

Tue 22/919:25 -

2 stops25h 50m

Mon 28/915:15 -

2 stops19h 35m

Deal found 16/9£591

Fri 13/1106:40 -

3 stops24h 36m

Wed 18/1109:40 -

3 stops22h 20m

Deal found 13/9£680

Wed 28/1010:55 -

1 stop37h 40m

Sat 14/1118:30 -

1 stop31h 25m

Deal found 13/9£751

Fri 9/1020:55 -

1 stop30h 05m

Mon 12/1020:50 -

1 stop29h 20m

Deal found 16/9£781

Fri 9/1013:40 -

1 stop16h 19m

Mon 12/1013:24 -

1 stop12h 16m

Deal found 17/9£406

Sat 17/1017:45 -

1 stop14h 36m

Tue 27/1013:26 -

1 stop13h 34m

Deal found 15/9£407

Tue 6/1010:00 -

2 stops18h 30m

Thu 22/1016:45 -

1 stop19h 00m

Deal found 15/9£422

Thu 24/917:00 -

1 stop14h 24m

Thu 8/1014:13 -

1 stop16h 52m

Deal found 17/9£436

Sun 27/909:30 -

1 stop19h 17m

Tue 13/1016:45 -

Nonstop10h 25m

Deal found 14/9£407

Wed 14/1010:25 -

2 stops21h 56m

Wed 21/1014:00 -

2 stops18h 00m

Deal found 15/9£408

Thu 15/1007:00 -

2 stops33h 20m

Sun 25/1010:20 -

2 stops26h 25m

Deal found 16/9£453

Tue 15/1210:55 -

Nonstop11h 15m

Wed 30/1209:51 -

1 stop16h 09m

Deal found 13/9£431

Tue 29/1214:45 -

1 stop15h 17m

Sun 31/110:25 -

1 stop17h 55m

Deal found 15/9£437

Sun 11/1013:40 -

1 stop16h 19m

Wed 21/1013:24 -

1 stop12h 16m

Deal found 16/9£407

Thu 1/1006:15 -

1 stop14h 40m

Sun 9/515:15 -

1 stop14h 30m

Deal found 16/9£422

Wed 17/219:30 -

2 stops29h 00m

Wed 24/214:20 -

2 stops19h 30m

Deal found 16/9£527

Thu 1/1013:00 -

Nonstop11h 05m

Thu 8/1012:28 -

1 stop13h 42m

Deal found 13/9£408

Tue 9/321:20 -

2 stops25h 25m

Mon 15/317:35 -

1 stop15h 10m

Deal found 16/9£549

Wed 4/1116:45 -

1 stop28h 10m

Wed 11/1109:56 -

2 stops21h 49m

Deal found 15/9£469

Find flight deals from London to California

Round-trip from	£376
One-way from	£331
Popular in	December
Cheapest in	February
Average price	£460
Good round-trip deal	£452 or less
Good one-way deal	£293 or less

United Airlines
23/10-26/10
1 total stop
26h 30m total
London to California

Search Deals

United Airlines
10/12-31/12
1 total stop
16h 24m total
London to California

Search Deals

Highest demand for flights based on searches. 1% potential increase in price (£6 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£5 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Price to beat on a round-trip flight from London (LON) to California.

Search Deals

Price to beat on a one-way flight from London (LON) to California.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonLos Angeles

LHR London Heathrow - LAX Los Angeles

LHRLAX

London Heathrow

Tue 27/10

13:30-19:28

2 stops36h 58m

Los Angeles

Wed 31/12

00:00-09:00

Nonstop0h 00m

£359

LondonLos Angeles

LHR London Heathrow - LAX Los Angeles

LHRLAX

London Heathrow

Sat 31/10

18:40-17:35

1 stop29h 55m

Los Angeles

Wed 31/12

00:00-09:00

Nonstop0h 00m

£369

LondonLos Angeles

LGW London Gatwick - LAX Los Angeles

LGWLAX

London Gatwick

Sun 17/1

06:55-16:35

2 stops17h 40m

Los Angeles

Wed 31/12

00:00-09:00

Nonstop0h 00m

£372

LondonLos Angeles

LHR London Heathrow - LAX Los Angeles

LHRLAX

London Heathrow

Sun 31/1

07:00-16:35

2 stops17h 35m

Los Angeles

Wed 31/12

00:00-09:00

Nonstop0h 00m

£373

LondonLos Angeles

LHR London Heathrow - LAX Los Angeles

LHRLAX

London Heathrow

Mon 26/10

06:00-17:35

1 stop18h 35m

Los Angeles

Wed 31/12

00:00-09:00

Nonstop0h 00m

£376

LondonOntario

LHR London Heathrow - ONT Ontario

LHRONT

London Heathrow

Mon 2/11

09:30-20:15

2 stops18h 45m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£379

LondonOntario

LHR London Heathrow - ONT Ontario

LHRONT

London Heathrow

Mon 2/11

14:45-23:06

1 stop16h 21m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£384

LondonLos Angeles

LTN London Luton - LAX Los Angeles

LTNLAX

London Luton

Fri 6/11

20:05-18:40

1 stop30h 35m

Los Angeles

Wed 31/12

00:00-09:00

Nonstop0h 00m

£386

LondonLos Angeles

LTN London Luton - LAX Los Angeles

LTNLAX

London Luton

Mon 14/12

06:10-18:40

1 stop20h 30m

Los Angeles

Wed 31/12

00:00-09:00

Nonstop0h 00m

£387

LondonSan Francisco

LGW London Gatwick - SFO San Francisco

LGWSFO

London Gatwick

Fri 25/9

12:40-12:15

1 stop31h 35m

San Francisco

Wed 31/12

00:00-09:00

Nonstop0h 00m

£387

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from London to California

Have a flexible travel schedule? Discover the best time to fly to California from London with our price prediction graph.

LHR-LAX

LHR-SFO

LGW-LAX

LHR-ONT

LCY-SFO

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 London to California

LON-USCA

LHR-LAX

LHR-SFO

LGW-LAX

LHR-ONT

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

Currently, February is the cheapest month in which you can book a flight from London to California (average of £444). Flying from London to California in December is currently the most expensive (average of £602). 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 LON to CA?

When flying from London 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 London to California

The most flights from LON to USCA are scheduled on a Monday (56 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (48 on average).

How much does it cost for a return flight from London to California?

Airfare is below average for this route at the moment.

London to California flights typically cost between £395 and £521 in October.
The cheapest return price found within the last 5 days was £390 on Delta (6 Oct–15 Oct).

How far ahead should I book a flight from London to California?

The best time to book flights from London to California is 22 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing California

Check out reviews from past customers who have flown with KLM,United Airlines, andVirgin Atlantic from London to California to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

KLM

7.8

Good

1,578 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

KLM

7.8

Good

1,578 reviews

KLM

7.8

Good

1,578 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

United Airlines

7.4

Good

10,217 reviews

KLM

7.8

Good

1,578 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Virgin Atlantic

7.4

Good

694 reviews

KLM

7.8

Good

1,578 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Lufthansa

6.8

Okay

8,231 reviews

KLM

7.8

Good

1,578 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

British Airways

6.7

Okay

8,230 reviews

KLM

7.8

Good

1,578 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Related info for your journey

How long is the flight from London to California?
KLM, Lufthansa, and Delta can get you from London to California in just under 11h. Your travel time will be generally consistent. London and California are separated by a distance of 5350 mi. Most flights are nonstop.
What are the cheapest airlines to fly from London to California one-way?
The cheapet airlines for a one-way flight from London to California are WestJet (£170), JetBlue (£202), and TAP AIR PORTUGAL (£295).
What are the most popular routes from London to California?
The most popular flight routes from London to California are London Heathrow - Los Angeles, London Heathrow - San Francisco and London Heathrow - Las Vegas Harry Reid Intl.
What are the most reliable airlines from London to California?
No one likes to see their flight delayed. When booking a flight from London to California consider choosing SriLankan Airlines (95%), Malaysia Airlines (89%) or Fiji Airways (86%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from London to California?
The cheapest flight price from London to California is £331. On average you can expect to pay £2,431. The most popular route, (London Heathrow - Los Angeles), can usually be booked for £300.
Can I find deals for flights from London to California that include hotel bookings?
Yes. In addition to deals on London to California flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to California?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to California.
Can I find deals for business class flights from London to California?
Yes. Cheapflights offers flight deals from London 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 London to California?
Currently, February is the cheapest month in which you can book a flight from London to California (average of £444). Flying from London to California in December is currently the most expensive (average of £602). 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

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Alternative routes for London to California

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Top 10 airlines flying from London to California

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest£275	Average£630	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
United Airlines	Cheapest£303	Average£575	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Brussels Airlines	Cheapest£333	Average£503	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
Virgin Atlantic	Cheapest£338	Average£581	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
TAP AIR PORTUGAL	Cheapest£344	Average£480	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
SWISS	Cheapest£346	Average£534	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Aer Lingus	Cheapest£350	Average£711	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Austrian Airlines	Cheapest£351	Average£498	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
Air Canada	Cheapest£358	Average£558	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
British Airways	Cheapest£360	Average£602	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Fly with Cheapflights

How does Cheapflights help users find flights from London to California?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to California from London today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from London to California?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to California from London.

Can Cheapflights find flights from London to California with no change fees?

Need flexible booking options for your flight to California from London? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from London to California become cheaper?

Yes, Cheapflights offers price alerts on London 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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Cheap flights from London to California from £331

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to California

Cheapest flights from London to CaliforniaExplore the most affordable flight options available from London to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2026.

Explore the most affordable flight options available from London to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2026.

Best flights from London to CaliforniaDiscover carefully curated flight deals from London to California that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2026.

Discover carefully curated flight deals from London to California that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2026.

Direct flights from London to CaliforniaExplore direct flight options from London to California based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 September 2026.

Explore direct flight options from London to California based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 September 2026.

Last-minute flights from London to CaliforniaDiscover last-minute flight deals from London to California. Data last updated 17 September 2026 and is based on user searches.

Discover last-minute flight deals from London to California. Data last updated 17 September 2026 and is based on user searches.

One-way flights from London to CaliforniaSearch for one-way flight options from London to California. Find affordable one-way fares based on user searches. Data last updated 17 September 2026.

Search for one-way flight options from London to California. Find affordable one-way fares based on user searches. Data last updated 17 September 2026.

Find flight deals from London to California

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

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

Best time to book a flight from London to California

Have a flexible travel schedule? Discover the best time to fly to California from London with our price prediction graph.

Cheapflights Insights

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

What is the cheapest time of day to fly from LON to CA?

Find hourly flight availability from London 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 2026.

When flying from London 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 London to California

Explore weekly flight availability from London 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 17 September 2026.

The most flights from LON to USCA are scheduled on a Monday (56 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (48 on average).

How much does it cost for a return flight from London to California?

Airfare is below average for this route at the moment.

London to California flights typically cost between £395 and £521 in October.The cheapest return price found within the last 5 days was £390 on Delta (6 Oct–15 Oct).

How far ahead should I book a flight from London to California?

The best time to book flights from London to California is 22 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing California

Check out reviews from past customers who have flown with KLM,United Airlines, andVirgin Atlantic from London to California to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from London to California?

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

What are the most popular routes from London to California?

What are the most reliable airlines from London to California?

What are the cheapest flights from London to California?

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

How can I find direct flights from London to California?

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

What is the cheapest month to book a flight from London 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 London to California

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to California by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United States

Book a non-stop flight to one of these other cities located in United States.

Search flights from London to California by cabin class

Find flights from London to California, based on your preferred cabin class, be it economy, premium economy, business, or first class.

London and California flights

Browse other London and California flight options. Last updated on 17 September 2026.

Popular flight searches

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London to California flights

Consider these flights travelling from London to California.

Top 10 airlines flying from London to California

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How does Cheapflights help users find flights from London to California?

Why should you use Cheapflights to find cheap flight tickets from London to California?

Can Cheapflights find flights from London to California with no change fees?

Can Cheapflights notify me if prices for flights from London to California become cheaper?

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Cheapest flights from London to California
Explore the most affordable flight options available from London to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 September 2026.

Best flights from London to California
Discover carefully curated flight deals from London to California that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 September 2026.

Direct flights from London to California
Explore direct flight options from London to California based on user searches, and compare prices and availability for your desired travel dates. Data last updated 17 September 2026.

Last-minute flights from London to California
Discover last-minute flight deals from London to California. Data last updated 17 September 2026 and is based on user searches.

One-way flights from London to California
Search for one-way flight options from London to California. Find affordable one-way fares based on user searches. Data last updated 17 September 2026.

London to California flights typically cost between £395 and £521 in October.
The cheapest return price found within the last 5 days was £390 on Delta (6 Oct–15 Oct).