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Cheap flights from California to London from £157

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 26/1. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LON
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from California to London

Enter your travel dates to find the best prices.

Cheapest flights from California to London
Explore the most affordable flight options available from California to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 October 2025.

Thu 27/1117:30LAX - STN
2 stops22h 05mMultiple Airlines
Thu 4/1218:05STN - LAX
2 stops27h 00mMultiple Airlines
Deal found 28/10£437
Sun 9/1106:04LAX - LHR
1 stop17h 01mVirgin Atlantic
Tue 25/1113:00LHR - LAX
1 stop17h 13mVirgin Atlantic
Deal found 31/10£438
Tue 2/1216:45LAX - LGW
1 stop33h 05mTAP AIR PORTUGAL
Mon 1/616:25LGW - LAX
1 stop30h 20mTAP AIR PORTUGAL
Deal found 29/10£438
Sun 9/1120:15LAX - LHR
1 stop12h 35mAer Lingus
Thu 13/1109:50LHR - LAX
1 stop16h 40mAer Lingus
Deal found 31/10£439
Thu 27/1116:45LAX - LHR
1 stop18h 10mTAP AIR PORTUGAL
Fri 5/1218:30LHR - LAX
1 stop28h 30mTAP AIR PORTUGAL
Deal found 29/10£439
Sun 9/1117:45LAX - LHR
Nonstop10h 35mFinnair
Tue 25/1110:20LHR - LAX
1 stop14h 45mFinnair
Deal found 30/10£440
Wed 5/1122:30LAX - LHR
Nonstop10h 20mVirgin Atlantic
Tue 11/1117:20LHR - LAX
Nonstop11h 20mVirgin Atlantic
Deal found 31/10£441
Wed 19/1107:45LAX - STN
3 stops30h 55mMultiple Airlines
Sun 23/1106:25STN - LAX
2 stops23h 50mMultiple Airlines
Deal found 29/10£441
Wed 5/1115:55LAX - LHR
1 stop14h 30mAer Lingus
Wed 19/1108:50LHR - LAX
1 stop17h 40mAer Lingus
Deal found 30/10£442
Tue 2/1208:20LAX - STN
2 stops26h 20mMultiple Airlines
Thu 11/1220:05STN - LAX
2 stops25h 00mMultiple Airlines
Deal found 28/10£442
Wed 19/1107:45LAX - STN
3 stops27h 00mMultiple Airlines
Tue 25/1120:10STN - LAX
2 stops24h 55mMultiple Airlines
Deal found 28/10£442
Tue 28/1015:50SFO - LHR
1 stop13h 30mAmerican Airlines
Tue 11/1111:45LHR - SFO
Nonstop11h 15mAmerican Airlines
Deal found 27/10£444

Cheap flight deals from California to London

Keep the following information in mind while searching for California to London flight deals. Data was last updated 31 October 2025.

Round-trip from

£438

One-way from

£157

Popular in

December

Cheapest in

September

Average price

£469

Good round-trip deal

£456 or less

Good one-way deal

£170 or less
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 27/11-3/12
  • 2 total stops
  • 46h 20m total
  • California to London
Search Deals
26/1
  • 26/1
  • 3 total stops
  • 48h 53m total
  • California to London
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£58 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from California to London (LON).
Search Deals
Price to beat on a one-way flight from California to London (LON).
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from California to London 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 31 October 2025.
Use the filters below to find and compare flights from California to London that are best for you.

Fly from

California

Fly to

London

Route

Depart

Return

Price

Los AngelesLondon

LAX - STN

LAXSTN

Los Angeles

Tue 9/12

19:30-23:10

2 stops19h 40m

London Stansted

Sun 14/12

06:25-17:00

2 stops18h 35m

£444

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Thu 15/1

07:45-16:00

2 stops24h 15m

London Heathrow

Sat 25/4

15:35-16:50

2 stops33h 15m

£446

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 16/11

12:40-11:25

1 stop14h 45m

London Heathrow

Wed 3/12

11:40-14:40

Nonstop11h 00m

£447

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Tue 10/2

15:30-10:00

Nonstop10h 30m

London Heathrow

Tue 17/2

07:30-17:05

1 stop17h 35m

£449

Los AngelesLondon

LAX - STN

LAXSTN

Los Angeles

Mon 24/11

08:30-19:10

3 stops26h 40m

London Stansted

Wed 3/12

18:05-13:05

2 stops27h 00m

£453

Los AngelesLondon

LAX - LTN

LAXLTN

Los Angeles

Mon 9/2

11:30-20:10

3 stops24h 40m

London Luton

Tue 17/2

20:50-13:05

2 stops24h 15m

£454

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 23/11

05:45-07:05

1 stop17h 20m

London Heathrow

Tue 2/12

12:20-22:31

1 stop18h 11m

£455

Los AngelesLondon

LAX - LTN

LAXLTN

Los Angeles

Fri 16/1

08:30-18:10

3 stops25h 40m

London Luton

Mon 26/1

15:20-15:15

2 stops31h 55m

£455

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

Thu 26/2

18:55-20:40

2 stops17h 45m

London Gatwick

Mon 2/3

16:35-15:00

1 stop30h 25m

£456

San DiegoLondon

SAN - LHR

SANLHR

San Diego

Thu 15/1

16:20-18:30

2 stops18h 10m

London Heathrow

Tue 20/1

06:40-22:47

2 stops24h 07m

£456

Flights are sorted by cheapest return flights first.

Deals found on 29/10

Showing 1-10 of 60 results
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Best time to book a flight from California to London

Have a flexible travel schedule? Discover the best time to fly to London from California 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 California to London

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

Currently, October is the cheapest month in which you can book a flight from California to London (average of £190). Flying from California to London in June is currently the most expensive (average of £428). 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 CA to LON?

Find hourly flight availability from California to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 31 October 2025.

It’s typically best to fly out from California to London in the afternoon. Doing so could potentially save you 15% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from California to London?

Use this chart to determine the cheapest time to fly return from California to London. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their California to London flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Thursday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from California to London. 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 California to London?

    Departing from California to London will take you 10h 30m. Airlines will cover a distance of 5439 mi. This flight may include one or multiple stops.

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

    One-way options have recently been found by users for as low as £234 on WestJet. Other airlines that offer cheap prices include JetBlue from £250 and TAP AIR PORTUGAL from £255 one-way.

  • What are the most popular routes from California to London?

    The most popular flight routes from California to London are Los Angeles - London Heathrow, San Francisco - London Heathrow and Los Angeles - London Gatwick.

  • What are the most reliable airlines from California to London?

    Before booking your flight to London from California, check out the most reliable airlines to get you to your destination on time: KLM (95%), Air France (95%), Delta( 95%).

  • What are the cheapest flights from California to London?

    Looking for the cheapest flight from California to London? While on average our users pay £1,323, our data indicates the cheapest price to be £280. The most popular route (Los Angeles - London Heathrow), is priced around £323.

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

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

  • How can I find direct flights from California to London?

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

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

    Yes. Cheapflights offers flight deals from California to London 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 California to London?

    Currently, October is the cheapest month in which you can book a flight from California to London (average of £190). Flying from California to London in June is currently the most expensive (average of £428). 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
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Croydon
Slough
Gatwick
Hounslow
Luton
Ilford
Wembley
Deal
Hayes
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Ipswich
Bedford
Eastbourne

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Alternative routes for California to London

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from California to London

Discover the top 10 airlines that operate flights from California to London. 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 31 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£309Average£455FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
TAP AIR PORTUGALCheapest£321Average£581FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
KLMCheapest£371Average£515FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£375Average£553FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Virgin AtlanticCheapest£375Average£656FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Aer LingusCheapest£383Average£519FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£394Average£616FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£401Average£546FlexibilityNo cancel feeOn-time77%
Search Air France flights
United AirlinesCheapest£403Average£673FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
FinnairCheapest£412Average£734FlexibilityNo cancel feeOn-time76%
Search Finnair 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 California to London?

Deals for California to London flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights helps you find that perfect flight to London from California by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes, we can. To see specific flights from California to London with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights offers price alerts on California to London 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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