Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from California to the United Kingdom from $297

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 7/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from California to the United Kingdom

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
7:30 pm - 9:20 pm
LAX
-
LHR
17h 50m
2 stops
Scandinavian Airlines Logo
7:05 am - 5:00 pm
LHR
-
LAX
17h 55m
2 stops
$774Scandinavian Airlines
Thu, Nov 5 - Wed, Nov 11
TAP AIR PORTUGAL Logo
4:40 pm - 6:50 pm
LAX
-
LHR
18h 10m
1 stop
TAP AIR PORTUGAL Logo
6:00 am - 3:15 pm
LHR
-
LAX
17h 15m
1 stop
$789TAP AIR PORTUGAL
Sun, Oct 18 - Sat, Jan 16
Multiple Airlines Logo
8:10 pm - 9:20 pm
LAX
-
STN
17h 10m
1 stop
Multiple Airlines Logo
9:00 pm - 5:10 pm
STN
-
LAX
28h 10m
2 stops
$791Multiple Airlines
Sun, Aug 16 - Wed, Aug 26
Scandinavian Airlines Logo
4:45 pm - 4:25 pm
SFO
-
LHR
15h 40m
2 stops
Scandinavian Airlines Logo
7:50 pm - 2:40 pm
LHR
-
SFO
26h 50m
2 stops
$793Scandinavian Airlines
Wed, Oct 7 - Wed, Oct 14
Multiple Airlines Logo
4:40 pm - 7:35 pm
LAX
-
STN
42h 55m
2 stops
Multiple Airlines Logo
9:55 pm - 6:55 pm
STN
-
LAX
29h 00m
1 stop
$794Multiple Airlines
Sun, Aug 2 - Thu, Aug 27
Scandinavian Airlines Logo
4:45 pm - 4:00 pm
SFO
-
LHR
15h 15m
1 stop
Scandinavian Airlines Logo
6:40 am - 2:40 pm
LHR
-
SFO
16h 00m
1 stop
$794Scandinavian Airlines
Fri, Aug 14 - Mon, Aug 24
LEVEL Logo
7:50 pm - 8:30 am
LAX
-
LGW
28h 40m
1 stop
LEVEL Logo
9:00 am - 7:10 pm
LGW
-
LAX
17h 10m
1 stop
$795LEVEL
Fri, Oct 16 - Thu, Oct 29
Turkish Airlines Logo
1:25 pm - 4:40 pm
LAX
-
STN
19h 15m
1 stop
Turkish Airlines Logo
5:45 pm - 6:15 pm
STN
-
LAX
32h 30m
1 stop
$798Turkish Airlines
Wed, Aug 19 - Wed, Sep 9
Turkish Airlines Logo
8:10 pm - 10:10 pm
LAX
-
STN
18h 00m
1 stop
Turkish Airlines Logo
6:55 am - 6:15 pm
STN
-
LAX
19h 20m
1 stop
$799Turkish Airlines
Wed, Sep 16 - Tue, Sep 29
Condor Logo
4:30 pm - 2:40 pm
SFO
-
LGW
14h 10m
1 stop
Condor Logo
10:20 am - 2:30 pm
LGW
-
SFO
36h 10m
1 stop
$809Condor
Sun, Aug 2 - Sun, Aug 30

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
Oct 18
LAX4:40 pmLos Angeles
18h 10m
1 stop
LHR6:50 pmLondon Heathrow
Jan 16
LHR6:00 amLondon Heathrow
17h 15m
1 stop
LAX3:15 pmLos Angeles
$789
TAP AIR PORTUGAL
Aug 16
LAX4:40 pmLos Angeles
33h 05m
1 stop
LGW9:45 amLondon Gatwick
Aug 31
LGW9:15 pmLondon Gatwick
25h 30m
2 stops
LAX2:45 pmLos Angeles
$794
TAP AIR PORTUGAL
Oct 2
LAX4:40 pmLos Angeles
15h 00m
1 stop
LGW3:40 pmLondon Gatwick
Oct 10
LGW9:15 pmLondon Gatwick
24h 40m
2 stops
LAX1:55 pmLos Angeles
$797

British Airways flights from California to United Kingdom

Our best British Airways deals on California to United Kingdom flight tickets
British Airways
May 15
LAX3:40 pmLos Angeles
10h 35m
LHR10:15 amLondon Heathrow
May 17
LHR11:40 amLondon Heathrow
11h 10m
LAX2:50 pmLos Angeles
$799
British Airways
May 15
LAX5:05 pmLos Angeles
10h 30m
LHR11:35 amLondon Heathrow
May 17
LHR3:05 pmLondon Heathrow
11h 10m
LAX6:15 pmLos Angeles
$804
British Airways
Nov 1
SFO5:30 pmSan Francisco
10h 30m
LHR12:00 pmLondon Heathrow
Dec 8
LHR11:45 amLondon Heathrow
11h 15m
SFO3:00 pmSan Francisco
$838

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated May 9, 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 round-trip

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Thu 11/5

7:30 pm-9:20 pm

2 stops17h 50m

London Heathrow

Wed 11/11

7:05 am-5:00 pm

2 stops17h 55m

$774

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Sun 10/18

4:40 pm-6:50 pm

1 stop18h 10m

London Heathrow

Sat 1/16

6:00 am-3:15 pm

1 stop17h 15m

$789

Los AngelesLondon

LAX - STN

LAXSTN

Los Angeles

Sun 8/16

8:10 pm-9:20 pm

1 stop17h 10m

London Stansted

Wed 8/26

9:00 pm-5:10 pm

2 stops28h 10m

$791

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Wed 10/7

4:45 pm-4:25 pm

2 stops15h 40m

London Heathrow

Wed 10/14

7:50 pm-2:40 pm

2 stops26h 50m

$793

Los AngelesLondon

LAX - STN

LAXSTN

Los Angeles

Sun 8/2

4:40 pm-7:35 pm

2 stops42h 55m

London Stansted

Thu 8/27

9:55 pm-6:55 pm

1 stop29h 00m

$794
Quickest round-trip

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Fri 8/14

4:45 pm-4:00 pm

1 stop15h 15m

London Heathrow

Mon 8/24

6:40 am-2:40 pm

1 stop16h 00m

$794

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

Fri 10/16

7:50 pm-8:30 am

1 stop28h 40m

London Gatwick

Thu 10/29

9:00 am-7:10 pm

1 stop17h 10m

$795

Los AngelesLondon

LAX - STN

LAXSTN

Los Angeles

Wed 8/19

1:25 pm-4:40 pm

1 stop19h 15m

London Stansted

Wed 9/9

5:45 pm-6:15 pm

1 stop32h 30m

$798

Los AngelesLondon

LAX - STN

LAXSTN

Los Angeles

Wed 9/16

8:10 pm-10:10 pm

1 stop18h 00m

London Stansted

Tue 9/29

6:55 am-6:15 pm

1 stop19h 20m

$799

San FranciscoLondon

SFO - LGW

SFOLGW

San Francisco

Sun 8/2

4:30 pm-2:40 pm

1 stop14h 10m

London Gatwick

Sun 8/30

10:20 am-2:30 pm

1 stop36h 10m

$809

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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?

In general, October is the cheapest month to fly from California to United Kingdom. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $663. If you aren’t able to travel to United Kingdom during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $663.

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 when prices can be found for as low as $745. The most expensive day to fly to United Kingdom is Saturday, with ticket prices averaging around $867.

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

According to our data, the cheapest time of day to fly to United Kingdom is at noon. momondo users have found flights departing from California to United Kingdom at noon for as low as $721. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to United Kingdom are more costly in the evening, with an average ticket price of $822. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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 $827 when searching weeks out. 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 $746 on momondo.

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

You could potentially save up to 40% 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

$288

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 $288. The best round-trip flight deal from California to United Kingdom found on momondo in the last 72 hours is $679.
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 are updated 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 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 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
JetBluePriceFrom $151Free CancellationRating
7.1
2,977 reviews
Search JetBlue flights
Brussels AirlinesPriceFrom $291Free CancellationRating
7.3
406 reviews
Search Brussels Airlines flights
SWISSPriceFrom $336Free CancellationRating
7.6
1,937 reviews
Search SWISS flights
Norse Atlantic UKPriceFrom $345Free CancellationRating
7.2
54 reviews
Search Norse Atlantic UK flights
TAP AIR PORTUGALPriceFrom $373Free CancellationRating
7.2
2,249 reviews
Search TAP AIR PORTUGAL flights
DeltaPriceFrom $410Free CancellationRating
7.9
8,455 reviews
Search Delta flights
Scandinavian AirlinesPriceFrom $454Free CancellationRating
7.4
1,771 reviews
Search Scandinavian Airlines flights
Aer LingusPriceFrom $474Free CancellationRating
7.3
1,551 reviews
Search Aer Lingus flights
FinnairPriceFrom $485Free CancellationRating
7.6
1,393 reviews
Search Finnair flights
Alaska AirlinesPriceFrom $494Free CancellationRating
7.9
12,348 reviews
Search Alaska Airlines flights

Why use momondo?

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

Finding the right flight to United Kingdom from California is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to United Kingdom quick and easy, saving you time and money.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to United Kingdom from California.

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

Yes momondo offers price alerts on flights to United Kingdom from California. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your United Kingdom trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 6/8
Mon 6/15
By creating a price alert you accept our terms of use and privacy policy.

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
Flights to Londonfrom $448
Flights to Manchesterfrom $536
Flights to Edinburghfrom $616
Flights to Glasgowfrom $560
Flights to Birminghamfrom $632
Flights to Newcastle upon Tynefrom $688
Flights to Belfastfrom $688
Flights to Bristolfrom $649
Flights to Invernessfrom $713
Flights to Liverpoolfrom $737
Flights to Leedsfrom $515
Flights to Aberdeenfrom $785