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Cheap flights from California to London from £213

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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — LON
19 Mar — 26 Mar1
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 17 February 2026.

Wed 18/216:30
SFO
-
LHR
Nonstop10h 20m
KLM
Tue 24/211:40
LHR
-
SFO
Nonstop11h 00m
KLM
Deal found 17/2£438
Sun 15/219:25
SFO
-
LGW
1 stop14h 25m
SWISS
Mon 23/218:40
LGW
-
SFO
1 stop29h 50m
SWISS
Deal found 15/2£438
Mon 16/322:40
SFO
-
LHR
1 stop15h 20m
Lufthansa
Mon 23/308:45
LHR
-
SFO
1 stop18h 50m
Lufthansa
Deal found 15/2£438
Mon 16/219:25
SFO
-
LGW
1 stop14h 25m
SWISS
Mon 23/218:40
LGW
-
SFO
1 stop29h 50m
SWISS
Deal found 15/2£439
Mon 23/216:40
SFO
-
STN
2 stops20h 40m
Multiple Airlines
Wed 4/314:45
STN
-
SFO
2 stops31h 50m
Multiple Airlines
Deal found 14/2£439
Sun 22/206:05
SFO
-
LHR
1 stop17h 00m
Delta
Thu 5/306:30
LHR
-
SFO
1 stop13h 20m
Delta
Deal found 14/2£439
Sun 15/322:50
LAX
-
LHR
1 stop24h 40m
Air Canada
Tue 31/309:30
LHR
-
LAX
1 stop19h 29m
Air Canada
Deal found 17/2£440
Mon 23/216:35
SFO
-
LGW
2 stops56h 50m
TAP AIR PORTUGAL
Thu 26/216:00
LGW
-
SFO
1 stop32h 05m
TAP AIR PORTUGAL
Deal found 17/2£440
Mon 23/317:40
SFO
-
LHR
2 stops15h 45m
Scandinavian Airlines
Thu 2/406:40
LHR
-
SFO
1 stop16h 00m
Scandinavian Airlines
Deal found 16/2£440
Tue 17/206:40
LAX
-
LHR
2 stops16h 30m
Multiple Airlines
Tue 24/206:35
LHR
-
LAX
1 stop16h 40m
Multiple Airlines
Deal found 14/2£441
Wed 25/314:30
SFO
-
LHR
1 stop13h 50m
Multiple Airlines
Wed 8/409:00
LHR
-
SFO
1 stop18h 00m
Multiple Airlines
Deal found 14/2£441
Mon 23/323:30
LAX
-
LGW
2 stops27h 30m
Multiple Airlines
Sun 7/610:00
LGW
-
LAX
Nonstop11h 15m
Multiple Airlines
Deal found 13/2£441

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 17 February 2026.

Round-trip from

£438

One-way from

£213

Popular in

December

Cheapest in

September

Average price

£475

Good round-trip deal

£372 or less

Good one-way deal

£268 or less
SWISS
  • SWISS
  • 1/3-19/3
  • 2 total stops
  • 29h 55m total
  • California to London
Search Deals
10/3
  • 10/3
  • 3 total stops
  • 23h 10m total
  • California to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£61 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 17 February 2026.
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

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Mon 2/3

16:35-15:45

1 stop15h 10m

London Gatwick

Mon 23/3

21:25-15:30

2 stops49h 05m

£442

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Wed 4/3

16:35-09:50

1 stop33h 15m

London Gatwick

Wed 11/3

09:35-17:05

2 stops62h 30m

£449

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Fri 24/4

20:20-09:45

1 stop29h 25m

London Gatwick

Tue 5/5

21:15-16:35

2 stops51h 20m

£452

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 1/3

12:50-07:25

Nonstop10h 35m

London Heathrow

Thu 19/3

11:10-20:35

1 stop16h 25m

£453

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Sun 15/3

18:25-12:00

Nonstop10h 35m

London Heathrow

Tue 24/3

11:10-20:35

1 stop16h 25m

£453

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Tue 17/3

20:00-13:30

Nonstop10h 30m

London Heathrow

Tue 24/3

09:00-17:35

1 stop15h 35m

£454

San FranciscoLondon

SFO - LCY

SFOLCY

San Francisco

Wed 11/3

20:25-17:05

1 stop13h 40m

London City

Wed 18/3

09:20-17:30

1 stop15h 10m

£455

San FranciscoLondon

SFO - STN

SFOSTN

San Francisco

Mon 27/4

16:45-19:35

2 stops18h 50m

London Stansted

Wed 6/5

12:15-14:40

2 stops34h 25m

£458

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Wed 22/4

15:30-10:10

Nonstop10h 40m

London Heathrow

Wed 29/4

07:25-15:15

1 stop15h 50m

£465

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 25/3

17:30-10:50

Nonstop10h 20m

London Heathrow

Tue 28/4

06:30-11:45

1 stop13h 15m

£466

Flights are sorted by cheapest return flights first.

Deals found on 16/2

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 £163). Flying from California to London in June is currently the most expensive (average of £419). 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 17 February 2026.

It’s typically best to fly out from California to London in the afternoon. Doing so could potentially save you 23% on the flight price compared to flying at midday, 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 17 February 2026.

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

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 17 February 2026.

The most flights from USCA to LON are scheduled on a Monday (51 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (44 on average).

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

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 35m. 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 £105 on Norse Atlantic UK. Other airlines that offer cheap prices include TAP AIR PORTUGAL from £119 and Scandinavian Airlines from £183 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: Air Canada (85%), Austrian Airlines (85%), United Airlines( 85%).

  • What are the cheapest flights from California to London?

    Looking for the cheapest flight from California to London? While on average our users pay £1,273, our data indicates the cheapest price to be £230. The most popular route (Los Angeles - London Heathrow), is priced around £361.

  • 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 £163). Flying from California to London in June is currently the most expensive (average of £419). 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
Luton
Wembley
Gatwick
Slough
Hounslow
Ilford
Hayes
Brentford
Colchester
Watford
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Chelmsford
Eastbourne
Crawley
Kingston upon Thames
Ipswich
Bedford
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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 17 February 2026.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest£233Average£471FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
LufthansaCheapest£314Average£503FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£359Average£542FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£363Average£538FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Aer LingusCheapest£370Average£486FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£380Average£580FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£387Average£571FlexibilityNo cancel feeOn-time77%
Search Air France flights
United AirlinesCheapest£389Average£554FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
FinnairCheapest£398Average£675FlexibilityNo cancel feeOn-time76%
Search Finnair flights
IberiaCheapest£418Average£519FlexibilityNo cancel feeOn-time77%
Search Iberia 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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