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Cheap flights from London Heathrow Airport to California from £315

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to California departing on 10/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from London Heathrow Airport to California

Cheap return flights

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
06:00 - 14:30LHR-SFO
16h 30m1 stop
TAP AIR PORTUGAL Logo
16:35 - 17:30SFO-LHR
16h 55m1 stop
£389TAP AIR PORTUGAL
Find Deal
Wed, 19 Nov - Wed, 3 Dec
TAP AIR PORTUGAL Logo
19:55 - 15:00LHR-LAX
27h 05m1 stop
TAP AIR PORTUGAL Logo
16:45 - 17:30LAX-LHR
16h 45m1 stop
£392TAP AIR PORTUGAL
Find Deal
Fri, 5 Dec - Tue, 9 Dec
Virgin Atlantic Logo
06:30 - 22:38LHR-ONT
24h 08m2 stops
Virgin Atlantic Logo
06:00 - 10:15ONT-LHR
20h 15m2 stops
£424Virgin Atlantic
Find Deal
Thu, 26 Feb - Mon, 2 Mar
Virgin Atlantic Logo
11:45 - 21:49LHR-LGB
18h 04m2 stops
Virgin Atlantic Logo
12:59 - 08:55LGB-LHR
35h 56m2 stops
£424Virgin Atlantic
Find Deal
Wed, 1 Apr - Mon, 6 Apr
Lufthansa Logo
07:40 - 14:50LHR-SFO
15h 10m1 stop
Lufthansa Logo
17:25 - 12:00SFO-LHR
10h 35mdirect
£444Lufthansa
Find Deal
Wed, 26 Nov - Tue, 2 Dec
Lufthansa Logo
07:40 - 15:15LHR-LAX
15h 35m1 stop
Lufthansa Logo
08:40 - 06:40LAX-LHR
14h 00m1 stop
£446Lufthansa
Find Deal
Wed, 3 Dec - Wed, 10 Dec
British Airways Logo
07:35 - 21:29LHR-SJC
21h 54m2 stops
British Airways Logo
06:00 - 06:50SJC-LHR
16h 50m1 stop
£461British Airways
Find Deal
Wed, 4 Feb - Sat, 14 Feb
United Airlines Logo
08:30 - 22:28LHR-SJC
21h 58m2 stops
United Airlines Logo
12:40 - 09:40SJC-LHR
13h 00m1 stop
£475United Airlines
Find Deal
Tue, 25 Nov - Tue, 2 Dec
United Airlines Logo
09:30 - 21:03LHR-SNA
19h 33m2 stops
United Airlines Logo
13:20 - 13:30SNA-LHR
16h 10m2 stops
£475United Airlines
Find Deal
Wed, 26 Nov - Wed, 3 Dec
British Airways Logo
14:20 - 21:40LHR-ONT
14h 20m1 stop
British Airways Logo
11:01 - 08:05ONT-LHR
13h 04m1 stop
£492British Airways
Find Deal
Tue, 17 Mar - Tue, 14 Apr

Scandinavian Airlines flights from London Heathrow Airport to California

Our best Scandinavian Airlines deals on London Heathrow Airport to California flight tickets
Scandinavian Airlines
18 Jan
LHR10:20London Heathrow
14h 40m
1 stop
LAX17:00Los Angeles
28 Jan
LAX19:30Los Angeles
29h 50m
1 stop
LHR09:20London Heathrow
£416
Find similar
Scandinavian Airlines
24 Nov
LHR06:40London Heathrow
15h 55m
1 stop
SFO14:35San Francisco
28 Nov
SFO16:40San Francisco
15h 20m
1 stop
LHR16:00London Heathrow
£417
Find similar
Scandinavian Airlines
16 Feb
LHR10:20London Heathrow
14h 40m
1 stop
LAX17:00Los Angeles
23 Feb
LAX19:30Los Angeles
18h 10m
1 stop
LHR21:40London Heathrow
£417
Find similar

Lufthansa flights from London Heathrow Airport to California

Our best Lufthansa deals on London Heathrow Airport to California flight tickets
Lufthansa
26 Nov
LHR07:40London Heathrow
15h 10m
1 stop
SFO14:50San Francisco
2 Dec
SFO17:25San Francisco
10h 35m
LHR12:00London Heathrow
£444
Find similar
Lufthansa
3 Dec
LHR07:40London Heathrow
15h 35m
1 stop
LAX15:15Los Angeles
10 Dec
LAX08:40Los Angeles
14h 00m
1 stop
LHR06:40London Heathrow
£446
Find similar
Lufthansa
12 Nov
LHR06:35London Heathrow
16h 40m
1 stop
LAX15:15Los Angeles
11 Dec
LAX19:00Los Angeles
10h 30m
LHR13:30London Heathrow
£464
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 31 October 2025.
Use the filters below to find and compare flights from London Heathrow Airport to California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 19/11

06:00-14:30

1 stop16h 30m

San Francisco

Wed 3/12

16:35-17:30

1 stop16h 55m

£389

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Fri 5/12

19:55-15:00

1 stop27h 05m

Los Angeles

Tue 9/12

16:45-17:30

1 stop16h 45m

£392

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Thu 26/2

06:30-22:38

2 stops24h 08m

Ontario

Mon 2/3

06:00-10:15

2 stops20h 15m

£424

LondonLong Beach

LHR - LGB

LHRLGB

London Heathrow

Wed 1/4

11:45-21:49

2 stops18h 04m

Long Beach Municipal

Mon 6/4

12:59-08:55

2 stops35h 56m

£424

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 26/11

07:40-14:50

1 stop15h 10m

San Francisco

Tue 2/12

17:25-12:00

Nonstop10h 35m

£444

LondonLos Angeles

LHR - LAX

LHRLAX

London Heathrow

Wed 3/12

07:40-15:15

1 stop15h 35m

Los Angeles

Wed 10/12

08:40-06:40

1 stop14h 00m

£446

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Wed 4/2

07:35-21:29

2 stops21h 54m

San Jose

Sat 14/2

06:00-06:50

1 stop16h 50m

£461

LondonSan Jose

LHR - SJC

LHRSJC

London Heathrow

Tue 25/11

08:30-22:28

2 stops21h 58m

San Jose

Tue 2/12

12:40-09:40

1 stop13h 00m

£475

LondonSanta Ana

LHR - SNA

LHRSNA

London Heathrow

Wed 26/11

09:30-21:03

2 stops19h 33m

Santa Ana J. Wayne/Orange Cnty

Wed 3/12

13:20-13:30

2 stops16h 10m

£475

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 17/3

14:20-21:40

1 stop14h 20m

Ontario

Tue 14/4

11:01-08:05

1 stop13h 04m

£492

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to California from

How to get the cheapest flight ticket from London Heathrow Airport to California

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to California?

If you are unable to visit California during the month of September, then departing from London Heathrow Airport during the month February is also very affordable. Most momondo users find prices during this month for around £441.

What is the cheapest day to depart on your flight to California?

The cheapest day to depart on your flight to California is on a Wednesday when prices can be found for as low as £518. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £607.

What is the cheapest time of day to depart on your flight to California?

The cheapest time of day to fly to California is in the evening when flights can be purchased for as low as £508. In contrast, the most expensive time of day to depart to California is in the afternoon when prices are around £584.

What is the cheapest London Heathrow to California flight route?

Fly from London Heathrow to San Francisco for the best London Heathrow - California flight prices

How far in advance should I book a flight to California?

You are more likely to see cheaper flights to California from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to California for around £510 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to California from London Heathrow Airport for as low as £458 on momondo.

What cabin class options are available on London Heathrow to California flights?

There are 4 cabin classes available to choose from on London Heathrow to California flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on London Heathrow Airport to California flights?

You could potentially save up to 36% on your flight if you consider stops on a London Heathrow Airport to California flight.

Cheap London Heathrow Airport to California flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to California

Best price found

£404

Fastest flight time

10h 40m

Direct flights

Every day

Airports in California

1 airport
The best one-way flight to California from London Heathrow Airport in the past 72 hours is £404. The best return flight deal from London Heathrow Airport to California found on momondo in the last 72 hours is £481.
The fastest flight from London Heathrow Airport to California takes 10h 40m
Direct flights go from London Heathrow Airport to California every day.
There is 1 airport near California: Las Vegas Harry Reid Intl (LAS)
Search flight deals

  • When did momondo last update prices for flights from London Heathrow Airport to California?

    Prices for flights from London Heathrow Airport to California are updated daily.

  • How many operators does momondo search for flights from London Heathrow Airport to California?

  • How old do you have to be to fly from London Heathrow Airport to California?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to California.

  • What documentation or ID do you need to fly to California?

    The travel and health documents you'll need for your trip to California may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at California. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from London Heathrow Airport to California?

Best airlines flying from London Heathrow Airport to California

Compare and see reviews for airlines that fly from London Heathrow Airport to California with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom £242Free CancellationRating
7.9
7,998 reviews
Search Delta flights
FinnairPriceFrom £285Free CancellationRating
7.6
1,333 reviews
Search Finnair flights
SWISSPriceFrom £297Free CancellationRating
7.5
1,777 reviews
Search SWISS flights
Norse Atlantic UKPriceFrom £316Free CancellationRating
7.2
51 reviews
Search Norse Atlantic UK flights
Aer LingusPriceFrom £340Free CancellationRating
7.2
1,365 reviews
Search Aer Lingus flights
Air CanadaPriceFrom £342Free CancellationRating
7.1
10,385 reviews
Search Air Canada flights
United AirlinesPriceFrom £344Free CancellationRating
7.4
8,995 reviews
Search United Airlines flights
Brussels AirlinesPriceFrom £352Free CancellationRating
7.2
369 reviews
Search Brussels Airlines flights
Scandinavian AirlinesPriceFrom £352Free CancellationRating
7.4
1,548 reviews
Search Scandinavian Airlines flights
TAP AIR PORTUGALPriceFrom £358Free CancellationRating
7.1
2,041 reviews
Search TAP AIR PORTUGAL flights

Why use momondo?

Why should I use momondo to find a flight deal from London to California?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to California from London.

Can I find flights from London to California with flexible booking policies on momondo?

Yes. All flights to California from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from London to California?

Once all potential London to California flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from London to California right now. Can momondo alert me if prices change?

Yes. momondo can track prices for London to California flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to California

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