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Cheap flights from London to California from £239

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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAX
26 feb — 5 mar1
1 adult

Cheap flight deals from London to California

Keep the following information in mind while searching for London to California flight deals. Data was last updated 21 febbraio 2025.

Round-trip from

£397

One-way from

£239

Popular in

August

Cheapest in

September

Average price

£466

Good round-trip deal

£467 or less

Good one-way deal

£315 or less
Lufthansa
  • Lufthansa
  • 1/5-14/5
  • 3 total stops
  • 32h 35m total
  • London to California
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11/3
  • 11/3
  • 3 total stops
  • 41h 23m total
  • London to California
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£43 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2025
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.
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Find flight deals from London to California

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 21 febbraio 2025.

gio 1/509:30LHR - ONT
2 stops20h 30mLufthansa
mer 14/516:15ONT - LHR
1 stop12h 05mLufthansa
Deal found 21/2£397
gio 20/309:30LHR - ONT
2 stops20h 15mUnited Airlines
gio 27/306:00ONT - LHR
1 stop18h 30mUnited Airlines
Deal found 19/2£400
mer 12/311:15LHR - LAX
Nonstop11h 30mAmerican Airlines
gio 3/415:40LAX - LHR
Nonstop10h 25mAmerican Airlines
Deal found 20/2£400
ven 21/210:20LHR - LAX
Nonstop11h 15mVirgin Atlantic
lun 31/315:30LAX - LHR
Nonstop10h 30mVirgin Atlantic
Deal found 20/2£401
gio 20/308:55LHR - LAX
2 stops19h 30mAir Canada
sab 29/311:35LAX - LHR
1 stop16h 15mAir Canada
Deal found 20/2£402
gio 27/207:30LHR - LAX
1 stop17h 35mFinnair
mer 12/311:35LAX - LHR
1 stop14h 00mFinnair
Deal found 20/2£402
sab 19/414:10LHR - LAX
1 stop17h 43mLufthansa
dom 27/419:55LAX - LHR
1 stop33h 25mLufthansa
Deal found 20/2£403
mer 12/309:25LCY - LAX
1 stop15h 05mSWISS
mer 19/320:10LAX - LCY
1 stop15h 30mSWISS
Deal found 19/2£404
mar 18/308:55LHR - LAX
1 stop15h 35mMultiple Airlines
ven 4/416:35LAX - LHR
Nonstop10h 35mMultiple Airlines
Deal found 20/2£406
mer 12/318:45LGW - LAX
1 stop29h 45mSWISS
mer 19/320:10LAX - LGW
1 stop14h 40mSWISS
Deal found 19/2£406
sab 8/314:30LHR - ONT
1 stop16h 22mKLM
mer 12/313:30ONT - LHR
1 stop13h 30mKLM
Deal found 20/2£408
ven 28/213:00LHR - LAX
1 stop18h 55mUnited Airlines
ven 7/310:46LAX - LHR
1 stop17h 14mUnited Airlines
Deal found 20/2£409

Find flights from London to California within your budget

Customise your flight search to find flights from London 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 21 febbraio 2025.

Fly from

London

Fly to

California

Route

Depart

Return

Price

LondonOntario

LHR - ONT

LHRONT

London Heathrow

gio 1/5

09:30-22:00

2 stops20h 30m

Ontario

mer 14/5

16:15-12:20

1 stop12h 05m

£397

LondonOntario

LHR - ONT

LHRONT

London Heathrow

gio 20/3

06:30-18:04

2 stops18h 34m

Ontario

gio 27/3

05:05-07:10

2 stops19h 05m

£400

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

mer 12/3

11:15-15:45

Nonstop11h 30m

Los Angeles

gio 3/4

15:40-10:05

Nonstop10h 25m

£400

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

lun 24/3

16:55-21:25

Nonstop11h 30m

Los Angeles

mer 2/4

13:20-08:00

Nonstop10h 40m

£401

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

gio 20/3

08:55-21:25

2 stops19h 30m

Los Angeles

gio 10/4

07:45-10:00

2 stops18h 15m

£402

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

sab 19/4

14:10-23:53

1 stop17h 43m

Los Angeles

dom 27/4

19:55-13:20

1 stop33h 25m

£403

LondonLos Angeles

LCY - LAX

LCYLAX

London City

mer 12/3

09:25-17:30

1 stop15h 05m

Los Angeles

mer 19/3

20:10-18:40

1 stop15h 30m

£404

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

dom 30/3

14:10-00:29

1 stop18h 19m

Los Angeles

ven 11/4

14:45-12:30

1 stop13h 45m

£404

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

mar 18/3

08:55-17:30

1 stop15h 35m

Los Angeles

ven 4/4

16:35-11:10

Nonstop10h 35m

£406

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

ven 7/3

06:40-15:35

1 stop16h 55m

Los Angeles

dom 9/3

18:40-18:50

2 stops17h 10m

£406

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 60 results
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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.
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.

Travel insights for flights from London to California

Get recent, data-driven insights about flights from London to California including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from London to California (average of £575). Flying from London 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 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 21 febbraio 2025.

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 21 febbraio 2025.

The most flights from LON to USCA are scheduled on a Thursday (54 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (36 on average).

Rainfall in California by month

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

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.

Temperature in California by month

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

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 21 febbraio 2025.
Read reviews from past customers who have flown Delta, Air New Zealand and KLM from London to California. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
8,213 reviews
Check prices

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

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
8,213 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

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
460 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

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
1,331 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

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
380 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

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
1,080 reviews
Delta
8.0
Very Good
8,213 reviews
Check prices

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Comfort

8.0

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

Find useful and relevant information for your journey from London 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 London to California one-way?

    The cheapet airlines for a one-way flight from London to California are Norse Atlantic UK (£240), WestJet (£320), and TAP AIR PORTUGAL (£322).

  • 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 - Las Vegas Harry Reid Intl and London Heathrow - San Francisco.

  • 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 Royal Jordanian (93%), Fiji Airways (89%) or Malaysia Airlines (89%) 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 £402. On average you can expect to pay £2,032. The most popular route, (London Heathrow - Los Angeles), can usually be booked for £311.

  • 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, January is the cheapest month in which you can book a flight from London to California (average of £575). Flying from London 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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Alternative routes for London 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 London to California

Discover the top 10 airlines that operate flights from London 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 21 febbraio 2025.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest£301Average£556FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
DeltaCheapest£306Average£554FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapest£318Average£498FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air FranceCheapest£336Average£470FlexibilityNo cancel feeOn-time77%
Search Air France flights
Scandinavian AirlinesCheapest£357Average£627FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£367Average£492FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
SWISSCheapest£369Average£534FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Austrian AirlinesCheapest£377Average£521FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
Brussels AirlinesCheapest£399Average£552FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Air TransatCheapest£401Average£573FlexibilityNo cancel feeOn-time50%
Search Air Transat 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 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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