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Cheap flights from California to the United Kingdom from £231

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to the United Kingdom departing on 8/7. 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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Cheap return flights

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
16:40 - 10:20
LAX
-
LHR
33h 40m
1 stop
TAP AIR PORTUGAL Logo
18:45 - 14:45
LHR
-
LAX
28h 00m
1 stop
£587TAP AIR PORTUGAL
Sun, 16 Aug - Mon, 31 Aug
Scandinavian Airlines Logo
19:30 - 17:40
LAX
-
LHR
14h 10m
1 stop
Scandinavian Airlines Logo
06:40 - 17:00
LHR
-
LAX
18h 20m
1 stop
£588Scandinavian Airlines
Mon, 2 Nov - Wed, 18 Nov
Turkish Airlines Logo
20:10 - 22:10
LAX
-
STN
18h 00m
1 stop
Turkish Airlines Logo
17:45 - 11:40
STN
-
LAX
25h 55m
1 stop
£591Turkish Airlines
Wed, 16 Sep - Wed, 23 Sep
Turkish Airlines Logo
13:25 - 16:40
LAX
-
STN
19h 15m
1 stop
Turkish Airlines Logo
17:45 - 18:15
STN
-
LAX
32h 30m
1 stop
£592Turkish Airlines
Mon, 3 Aug - Wed, 26 Aug
Multiple Airlines Logo
20:10 - 19:20
LAX
-
STN
15h 10m
1 stop
Multiple Airlines Logo
08:10 - 17:10
STN
-
LAX
17h 00m
2 stops
£592Multiple Airlines
Fri, 2 Oct - Wed, 7 Oct
Multiple Airlines Logo
20:10 - 23:20
LAX
-
STN
19h 10m
1 stop
Multiple Airlines Logo
21:55 - 18:55
STN
-
LAX
29h 00m
1 stop
£593Multiple Airlines
Wed, 19 Aug - Thu, 27 Aug
SWISS Logo
19:35 - 17:50
SFO
-
LGW
14h 15m
1 stop
SWISS Logo
09:25 - 16:15
LGW
-
SFO
14h 50m
1 stop
£601SWISS
Tue, 15 Sep - Tue, 22 Sep
SWISS Logo
19:35 - 17:25
SFO
-
LCY
13h 50m
1 stop
SWISS Logo
09:15 - 16:15
LCY
-
SFO
15h 00m
1 stop
£616SWISS
Tue, 15 Sep - Thu, 15 Oct
Virgin Atlantic Logo
13:45 - 16:40
SFO
-
LCY
18h 55m
1 stop
Virgin Atlantic Logo
20:15 - 11:45
LCY
-
SFO
23h 30m
1 stop
£638Virgin Atlantic
Tue, 15 Sep - Tue, 6 Oct
Virgin Atlantic Logo
13:45 - 19:45
SFO
-
LCY
22h 00m
1 stop
Virgin Atlantic Logo
20:15 - 11:45
LCY
-
SFO
23h 30m
1 stop
£646Virgin Atlantic
Mon, 3 Aug - Tue, 15 Sep

TAP AIR PORTUGAL flights from California to United Kingdom

Our best TAP AIR PORTUGAL deals on California to United Kingdom flight tickets
TAP AIR PORTUGAL
16 Aug
LAX16:40Los Angeles Los Angeles
33h 40m
1 stop
LHR10:20London Heathrow
31 Aug
LHR18:45London Heathrow
28h 00m
1 stop
LAX14:45Los Angeles Los Angeles
£587
TAP AIR PORTUGAL
3 Nov
LAX17:15Los Angeles Los Angeles
37h 50m
1 stop
LGW15:05London Gatwick
9 Nov
LGW16:35London Gatwick
30h 40m
1 stop
LAX15:15Los Angeles Los Angeles
£592
TAP AIR PORTUGAL
16 Aug
LAX16:40Los Angeles Los Angeles
33h 05m
1 stop
LGW09:45London Gatwick
29 Aug
LGW16:30London Gatwick
29h 00m
1 stop
LAX13:30Los Angeles Los Angeles
£592

Scandinavian Airlines flights from California to United Kingdom

Our best Scandinavian Airlines deals on California to United Kingdom flight tickets
Scandinavian Airlines
2 Nov
LAX19:30Los Angeles Los Angeles
14h 10m
1 stop
LHR17:40London Heathrow
18 Nov
LHR06:40London Heathrow
18h 20m
1 stop
LAX17:00Los Angeles Los Angeles
£588
Scandinavian Airlines
3 Nov
LAX19:30Los Angeles Los Angeles
15h 00m
1 stop
LHR18:30London Heathrow
13 Nov
LHR18:40London Heathrow
30h 20m
1 stop
LAX17:00Los Angeles Los Angeles
£589
Scandinavian Airlines
17 Aug
LAX19:10Los Angeles Los Angeles
18h 30m
1 stop
LHR21:40London Heathrow
22 Aug
LHR06:40London Heathrow
18h 10m
1 stop
LAX16:50Los Angeles Los Angeles
£589

momondo Fare Finder

 
Customise your flight search to find flights from California to United Kingdom 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 14 May 2026.
Use the filters below to find and compare flights from California to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles Los Angeles

Sun 16/8

16:40-10:20

1 stop33h 40m

London Heathrow

Mon 31/8

18:45-14:45

1 stop28h 00m

£587

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles Los Angeles

Mon 2/11

19:30-17:40

1 stop14h 10m

London Heathrow

Wed 18/11

06:40-17:00

1 stop18h 20m

£588

Los AngelesLondon

LAX - STN

LAXSTN

Los Angeles Los Angeles

Wed 16/9

20:10-22:10

1 stop18h 00m

London Stansted

Wed 23/9

17:45-11:40

1 stop25h 55m

£591

Los AngelesLondon

LAX - STN

LAXSTN

Los Angeles Los Angeles

Mon 3/8

13:25-16:40

1 stop19h 15m

London Stansted

Wed 26/8

17:45-18:15

1 stop32h 30m

£592

Los AngelesLondon

LAX - STN

LAXSTN

Los Angeles Los Angeles

Fri 2/10

20:10-19:20

1 stop15h 10m

London Stansted

Wed 7/10

08:10-17:10

2 stops17h 00m

£592

Los AngelesLondon

LAX - STN

LAXSTN

Los Angeles Los Angeles

Wed 19/8

20:10-23:20

1 stop19h 10m

London Stansted

Thu 27/8

21:55-18:55

1 stop29h 00m

£593

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Tue 15/9

19:35-17:50

1 stop14h 15m

London Gatwick

Tue 22/9

09:25-16:15

1 stop14h 50m

£601
Fastest return journey

San FranciscoLondon

SFO - LCY

SFOLCY

San Francisco

Tue 15/9

19:35-17:25

1 stop13h 50m

London City

Thu 15/10

09:15-16:15

1 stop15h 00m

£616

San FranciscoLondon

SFO - LCY

SFOLCY

San Francisco

Tue 15/9

13:45-16:40

1 stop18h 55m

London City

Tue 6/10

20:15-11:45

1 stop23h 30m

£638

San FranciscoLondon

SFO - LCY

SFOLCY

San Francisco

Mon 3/8

13:45-19:45

1 stop22h 00m

London City

Tue 15/9

20:15-11:45

1 stop23h 30m

£646

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to the United Kingdom from

How to get the cheapest flight ticket from California to United Kingdom

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 United Kingdom?

The cheapest month to fly to United Kingdom from California is in October. Flight prices, which tend to average around £490, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of October, then departing from California during the month September is also very affordable. Most momondo users find prices during this month for around £490.

What is the cheapest day to depart on your flight to United Kingdom?

The cheapest day to depart from California to United Kingdom is on a Wednesday. Travellers who choose to depart for United Kingdom on a Wednesday will often find tickets for as low as £517. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from California to United Kingdom for around £643.

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

The cheapest time of day to fly to United Kingdom is in the afternoon when flights can be purchased for as low as £546. Try not to purchase tickets in the evening because they tend to be around £599. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest California to United Kingdom flight route?

Fly from Los Angeles to London Gatwick for the best California - United Kingdom flight prices

How far in advance should I book a flight from California to the United Kingdom?

You are more likely to see cheaper flights to United Kingdom from California when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £612 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from California for as low as £552 on momondo.

Can stopping save me money on California to United Kingdom flights?

You could potentially save up to 28% on your flight if you consider stops on a California to United Kingdom flight.

Cheap California to United Kingdom flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from California to United Kingdom

Best price found

£213

Fastest flight time

2h 34m

Direct flights

Every day

Airports in United Kingdom

1,286 airports
The best one-way flight to United Kingdom from California in the past 72 hours is £213. The best return flight deal from California to United Kingdom found on momondo in the last 72 hours is £601.
The fastest flight from California to United Kingdom takes 2h 34m
Direct flights go from California to United Kingdom every day.
There are 1,286 airports in United Kingdom. From California there are direct flights to London Heathrow (LHR).
Search flight deals

Frequently asked questions about flying from California to the United Kingdom

  • When did momondo last update prices for flights from California to United Kingdom?

    Prices for flights from California to United Kingdom refresh daily.

  • How many operators does momondo search for flights from California to United Kingdom?

  • How old do you have to be to fly from California to United Kingdom?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from California to United Kingdom.

  • What documentation or ID do you need to fly to United Kingdom?

    The required travel and health documents for your United Kingdom trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at United Kingdom. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from California to United Kingdom?

Best airlines flying from California to United Kingdom

Compare and see reviews for airlines that fly from California to United Kingdom with momondo
Airline
Rating
Free Cancellation
Price
TAP AIR PORTUGALPriceFrom £235Free CancellationRating
7.2
2,250 reviews
Search TAP AIR PORTUGAL flights
LufthansaPriceFrom £317Free CancellationRating
6.8
8,001 reviews
Search Lufthansa flights
Virgin AtlanticPriceFrom £366Free CancellationRating
7.4
688 reviews
Search Virgin Atlantic flights
KLMPriceFrom £367Free CancellationRating
7.8
1,517 reviews
Search KLM flights
Aer LingusPriceFrom £373Free CancellationRating
7.3
1,561 reviews
Search Aer Lingus flights
FinnairPriceFrom £379Free CancellationRating
7.6
1,393 reviews
Search Finnair flights
British AirwaysPriceFrom £384Free CancellationRating
6.7
7,979 reviews
Search British Airways flights
United AirlinesPriceFrom £393Free CancellationRating
7.4
9,715 reviews
Search United Airlines flights
Air FrancePriceFrom £414Free CancellationRating
7.4
1,589 reviews
Search Air France flights
DeltaPriceFrom £471Free CancellationRating
7.9
8,452 reviews
Search Delta flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from California to United Kingdom. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for California to United Kingdom flights to just show those with flexible booking policies.

How can momondo help me find flights from California to United Kingdom?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from California to United Kingdom.

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

Yes. momondo can track prices for California to United Kingdom 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.

An easier way to manage your United Kingdom trip

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Find better results for your trip to the United Kingdom

Popular Cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo
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Flights to Leedsfrom £49
Flights to Invernessfrom £47