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Cheap flights from California to London from £211

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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LON
10 Sep — 17 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap 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 11 August 2026.

Sun 27/910:20 -
1 stop21h 30m
Mon 12/1016:50 -
1 stop23h 30m
Deal found 8/8£447
Fri 25/910:20 -
1 stop36h 00m
Mon 28/907:25 -
1 stop32h 55m
Deal found 9/8£448
Tue 22/910:20 -
1 stop21h 30m
Thu 24/916:50 -
1 stop23h 30m
Deal found 10/8£450
Wed 18/1119:30 -
1 stop18h 10m
Thu 26/1110:20 -
1 stop14h 40m
Deal found 7/8£451
Sun 1/1109:20 -
1 stop37h 10m
Sat 7/1107:30 -
1 stop31h 50m
Deal found 8/8£453
Fri 20/1109:20 -
1 stop37h 00m
Sat 28/1107:30 -
1 stop31h 50m
Deal found 7/8£454
Fri 25/910:20 -
1 stop36h 00m
Mon 5/1007:25 -
1 stop32h 55m
Deal found 10/8£455
Fri 9/1010:20 -
1 stop36h 00m
Mon 12/1007:25 -
1 stop32h 55m
Deal found 10/8£456
Sun 22/1109:20 -
1 stop37h 10m
Sat 28/1107:30 -
1 stop31h 50m
Deal found 7/8£457
Sun 1/1109:20 -
1 stop37h 10m
Sat 21/1107:30 -
1 stop31h 50m
Deal found 11/8£458
Sun 4/1010:20 -
1 stop21h 30m
Mon 12/1016:50 -
1 stop23h 30m
Deal found 7/8£458
Fri 16/1010:20 -
1 stop36h 00m
Mon 26/1007:20 -
1 stop32h 00m
Deal found 10/8£458

Find flight deals from California to London

Keep the following information in mind while searching for California to London flight deals. Data was last updated 11 August 2026.

Round-trip from

£447

One-way from

£211

Popular in

June

Cheapest in

September

Average price

£638

Good round-trip deal

£660 or less

Good one-way deal

£294 or less
Royal Air Maroc
  • Royal Air Maroc
  • 27/9-12/10
  • 2 total stops
  • 45h 00m total
  • California to London
Search Deals
11/11
  • 11/11
  • 3 total stops
  • 31h 00m total
  • California to London
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£125 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
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 11 August 2026.
Use the filters below to find and compare flights from California to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Los AngelesLondon

LAX Los Angeles Los Angeles - LHR London Heathrow

LAXLHR

Los Angeles Los Angeles

Sun 22/11

18:55-13:30

Nonstop10h 35m

London Heathrow

Tue 24/11

12:05-16:35

1 stop36h 30m

£561

San FranciscoLondon

SFO San Francisco - LHR London Heathrow

SFOLHR

San Francisco

Tue 1/12

16:40-10:55

Nonstop10h 15m

London Heathrow

Tue 8/12

06:30-11:45

1 stop13h 15m

£632

Los AngelesLondon

LAX Los Angeles Los Angeles - LGW London Gatwick

LAXLGW

Los Angeles Los Angeles

Sun 13/9

21:40-10:00

1 stop28h 20m

London Gatwick

Mon 21/9

14:00-18:10

1 stop36h 10m

£635

Los AngelesLondon

LAX Los Angeles Los Angeles - LGW London Gatwick

LAXLGW

Los Angeles Los Angeles

Mon 24/8

20:55-10:15

1 stop29h 20m

London Gatwick

Mon 31/8

06:50-19:00

1 stop20h 10m

£638

San FranciscoLondon

SFO San Francisco - LHR London Heathrow

SFOLHR

San Francisco

Mon 23/11

09:55-10:40

2 stops16h 45m

London Heathrow

Fri 27/11

06:30-11:45

1 stop13h 15m

£638

Los AngelesLondon

LAX Los Angeles Los Angeles - STN London Stansted

LAXSTN

Los Angeles Los Angeles

Wed 7/10

20:10-09:55

1 stop29h 45m

London Stansted

Thu 15/10

17:35-11:40

1 stop26h 05m

£638

Los AngelesLondon

LAX Los Angeles Los Angeles - STN London Stansted

LAXSTN

Los Angeles Los Angeles

Tue 17/11

12:45-09:55

1 stop37h 10m

London Stansted

Tue 1/12

17:20-10:50

1 stop25h 30m

£638

Los AngelesLondon

LAX Los Angeles Los Angeles - LHR London Heathrow

LAXLHR

Los Angeles Los Angeles

Thu 12/11

19:30-09:35

2 stops30h 05m

London Heathrow

Sat 21/11

10:20-17:00

1 stop14h 40m

£642

OntarioLondon

ONT Ontario - LHR London Heathrow

ONTLHR

Ontario

Wed 11/11

06:00-12:20

1 stop22h 20m

London Heathrow

Wed 25/11

14:45-23:04

1 stop16h 19m

£650

San FranciscoLondon

SFO San Francisco - STN London Stansted

SFOSTN

San Francisco

Mon 30/11

18:35-09:55

1 stop31h 20m

London Stansted

Wed 9/12

10:55-16:30

1 stop37h 35m

£651

Flights are sorted by cheapest return flights first.

Deals found on 6/8

Showing 1-10 of 60 resultsSorted by cheapest first
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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, February is the cheapest month in which you can book a flight from California to London (average of £491). Flying from California to London in June is currently the most expensive (average of £964). 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 11 August 2026.

It’s typically best to fly out from California to London in the morning. Doing so could potentially save you 13% on the flight price compared to flying in the evening, which is usually more expensive.

Weekly flight availability from California to London

Explore weekly flight availability from California to London. 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 11 August 2026.

The most flights from USCA to LON are scheduled on a Monday (57 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (52 on average).

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

Airfare is below average for this route at the moment.
California to London flights typically cost between £459 and £758 in September.
The cheapest return price found within the last 5 days was £447 on Royal Air Maroc (27 Sept–12 Oct).

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

Booking 29 days in advance of your planned departure date is, on average, the best time to get cheap flights from California to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 8 August 2026.

Travellers seeking maximum savings on their California to London flight should consider departing on Thursday afternoons when fares are most often at their lowest. Tuesday evenings 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 15m. Airlines will cover a distance of 5350 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 £120 on TAP AIR PORTUGAL. Other airlines that offer cheap prices include JetBlue from £161 and Virgin Atlantic from £171 one-way.

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

    The most popular flight routes from California to London are Los Angeles Los Angeles - London Heathrow, San Francisco - London Heathrow and Los Angeles 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: SAUDIA (96%), SriLankan Airlines (92%), Air Canada( 92%).

  • What are the cheapest flights from California to London?

    Looking for the cheapest flight from California to London? While on average our users pay £1,371, our data indicates the cheapest price to be £232. The most popular route (Los Angeles Los Angeles - London Heathrow), is priced around £474.

  • 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, February is the cheapest month in which you can book a flight from California to London (average of £491). Flying from California to London in June is currently the most expensive (average of £964). 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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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 11 August 2026.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest£236Average£476FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
LufthansaCheapest£369Average£694FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
FinnairCheapest£379Average£716FlexibilityNo cancel feeOn-time76%
Search Finnair flights
United AirlinesCheapest£394Average£786FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£403Average£598FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£452Average£795FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£458Average£740FlexibilityNo cancel feeOn-time70%
Search British Airways flights
DeltaCheapest£472Average£1,026FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air FranceCheapest£546Average£981FlexibilityNo cancel feeOn-time77%
Search Air France flights
American AirlinesCheapest£547Average£839FlexibilityNo cancel feeOn-time71%
Search American Airlines 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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