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Cheap flights from California to the United Kingdom from $179

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 10/18. 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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Find the cheapest flights from California to the United Kingdom

Cheap round-trip flights

TAP AIR PORTUGAL Logo
5:45 pm - 9:35 pmLAX-LHR
20h 50m1 stop
TAP AIR PORTUGAL Logo
6:00 am - 4:00 pmLHR-LAX
17h 00m1 stop
$501TAP AIR PORTUGAL
Find Deal
Thu, Oct 30 - Sat, Nov 1
Norse Atlantic UK Logo
4:30 pm - 10:55 amLAX-LGW
10h 25mnonstop
Norse Atlantic UK Logo
10:55 am - 2:10 pmLGW-LAX
11h 15mnonstop
$502Norse Atlantic UK
Find Deal
Wed, Oct 8 - Wed, Oct 22
Multiple Airlines Logo
4:30 pm - 10:55 amLAX-LGW
10h 25mnonstop
Multiple Airlines Logo
4:35 pm - 10:55 amLGW-LAX
26h 20m1 stop
$510Multiple Airlines
Find Deal
Wed, Oct 15 - Wed, Nov 12
Multiple Airlines Logo
2:27 pm - 10:10 amLAX-LGW
35h 43m1 stop
Multiple Airlines Logo
2:00 pm - 1:06 pmLGW-LAX
31h 06m2 stops
$512Multiple Airlines
Find Deal
Sat, Oct 18 - Thu, Nov 6
Virgin Atlantic Logo
11:45 am - 11:20 amLAX-LHR
15h 35m1 stop
Virgin Atlantic Logo
6:30 am - 2:50 pmLHR-LAX
16h 20m1 stop
$526Virgin Atlantic
Find Deal
Sun, Sep 28 - Tue, Oct 14
Scandinavian Airlines Logo
7:05 am - 9:35 amSFO-LHR
18h 30m2 stops
Scandinavian Airlines Logo
10:20 am - 7:25 pmLHR-SFO
16h 05m1 stop
$529Scandinavian Airlines
Find Deal
Tue, Oct 21 - Thu, Oct 30
Scandinavian Airlines Logo
8:55 pm - 9:40 pmSFO-LHR
40h 45m2 stops
Scandinavian Airlines Logo
6:40 am - 2:35 pmLHR-SFO
15h 55m1 stop
$530Scandinavian Airlines
Find Deal
Mon, Nov 10 - Fri, Nov 14
Virgin Atlantic Logo
8:05 pm - 2:35 pmLAX-LHR
10h 30mnonstop
Virgin Atlantic Logo
9:55 am - 1:15 pmLHR-LAX
11h 20mnonstop
$532Virgin Atlantic
Find Deal
Sun, Sep 28 - Tue, Oct 14
Aer Lingus Logo
8:15 pm - 6:55 pmLAX-LHR
14h 40m1 stop
Aer Lingus Logo
12:10 pm - 6:30 pmLHR-LAX
14h 20m1 stop
$540Aer Lingus
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Sun, Oct 5 - Wed, Nov 12
Aer Lingus Logo
8:15 pm - 7:25 pmLAX-LHR
15h 10m1 stop
Aer Lingus Logo
12:00 pm - 6:25 pmLHR-LAX
14h 25m1 stop
$544Aer Lingus
Find Deal
Wed, Oct 1 - Tue, Oct 7

Virgin Atlantic flights from California to United Kingdom

Our best Virgin Atlantic deals on California to United Kingdom flight tickets
Virgin Atlantic
Sep 28
LAX11:45 amLos Angeles
15h 35m
1 stop
LHR11:20 amLondon Heathrow
Oct 14
LHR6:30 amLondon Heathrow
16h 20m
1 stop
LAX2:50 pmLos Angeles
$526
Find similar
Virgin Atlantic
Sep 28
LAX10:50 pmLos Angeles
10h 25m
LHR5:15 pmLondon Heathrow
Oct 14
LHR8:40 amLondon Heathrow
14h 10m
1 stop
LAX2:50 pmLos Angeles
$528
Find similar
Virgin Atlantic
Sep 28
LAX8:05 pmLos Angeles
10h 30m
LHR2:35 pmLondon Heathrow
Oct 14
LHR9:55 amLondon Heathrow
11h 20m
LAX1:15 pmLos Angeles
$532
Find similar

Air Canada flights from California to United Kingdom

Our best Air Canada deals on California to United Kingdom flight tickets
Air Canada
Sep 28
SFO11:40 amSan Francisco
13h 55m
1 stop
LHR9:35 amLondon Heathrow
Oct 14
LHR6:50 amLondon Heathrow
21h 01m
2 stops
SFO7:51 pmSan Francisco
$540
Find similar
Air Canada
Sep 28
LAX8:05 amLos Angeles
14h 25m
1 stop
LHR6:30 amLondon Heathrow
Oct 14
LHR9:30 amLondon Heathrow
18h 10m
1 stop
LAX7:40 pmLos Angeles
$550
Find similar
Air Canada
Sep 30
SAN8:10 amSan Diego
14h 20m
1 stop
LHR6:30 amLondon Heathrow
Oct 22
LHR9:30 amLondon Heathrow
18h 05m
1 stop
SAN7:35 pmSan Diego
$558
Find similar

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 September 19, 2025.
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

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Thu 10/30

5:45 pm-9:35 pm

1 stop20h 50m

London Heathrow

Sat 11/1

6:00 am-4:00 pm

1 stop17h 00m

$501

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

Wed 10/8

4:30 pm-10:55 am

Nonstop10h 25m

London Gatwick

Wed 10/22

10:55 am-2:10 pm

Nonstop11h 15m

$502

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

Wed 10/15

4:30 pm-10:55 am

Nonstop10h 25m

London Gatwick

Wed 11/12

4:35 pm-10:55 am

1 stop26h 20m

$510

Los AngelesLondon

LAX - LGW

LAXLGW

Los Angeles

Sat 10/18

2:27 pm-10:10 am

1 stop35h 43m

London Gatwick

Thu 11/6

2:00 pm-1:06 pm

2 stops31h 06m

$512

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Sun 9/28

11:45 am-11:20 am

1 stop15h 35m

London Heathrow

Tue 10/14

6:30 am-2:50 pm

1 stop16h 20m

$526

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Tue 10/21

7:05 am-9:35 am

2 stops18h 30m

London Heathrow

Thu 10/30

10:20 am-7:25 pm

1 stop16h 05m

$529

San FranciscoLondon

SFO - LHR

SFOLHR

San Francisco

Mon 11/10

8:55 pm-9:40 pm

2 stops40h 45m

London Heathrow

Fri 11/14

6:40 am-2:35 pm

1 stop15h 55m

$530

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Sun 9/28

8:05 pm-2:35 pm

Nonstop10h 30m

London Heathrow

Tue 10/14

9:55 am-1:15 pm

Nonstop11h 20m

$532

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Sun 10/5

8:15 pm-6:55 pm

1 stop14h 40m

London Heathrow

Wed 11/12

12:10 pm-6:30 pm

1 stop14h 20m

$540

Los AngelesLondon

LAX - LHR

LAXLHR

Los Angeles

Wed 10/1

8:15 pm-7:25 pm

1 stop15h 10m

London Heathrow

Tue 10/7

12:00 pm-6:25 pm

1 stop14h 25m

$544

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

In general, September 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 $604. If you aren’t able to travel to United Kingdom during the month of September, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $612.

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 $759. The most expensive day to fly to United Kingdom is Saturday, with ticket prices averaging around $875.

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 $773. 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 morning, with an average ticket price of $983. Departure times in the morning 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 to 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 $777 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 $726 on momondo.

What cabin class options are available on California to United Kingdom flights?

There are 4 cabin classes available to choose from on California to United Kingdom 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 California to United Kingdom flights?

No. A direct flight is the cheapest option for a flight between California to United Kingdom.

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

$179

Fastest flight time

10h 10m

Direct flights

Every day

Airports in United Kingdom

1 airport
The best one-way flight to United Kingdom from California in the past 72 hours is $179. The best round-trip flight deal from California to United Kingdom found on momondo in the last 72 hours is $483.
The fastest flight from California to United Kingdom takes 10h 10m
Direct flights go from California to United Kingdom every day.
There is 1 airport near United Kingdom: London Heathrow (LHR)
Search flight deals

  • 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 $195Free CancellationRating
7.2
2,911 reviews
Search JetBlue flights
WestJetPriceFrom $272Free CancellationRating
7.2
3,095 reviews
Search WestJet flights
Scandinavian AirlinesPriceFrom $334Free CancellationRating
7.4
1,487 reviews
Search Scandinavian Airlines flights
SWISSPriceFrom $336Free CancellationRating
7.6
1,737 reviews
Search SWISS flights
Norse Atlantic UKPriceFrom $360Free CancellationRating
7.1
49 reviews
Search Norse Atlantic UK flights
LufthansaPriceFrom $363Free CancellationRating
6.8
7,415 reviews
Search Lufthansa flights
TAP AIR PORTUGALPriceFrom $375Free CancellationRating
7.1
1,978 reviews
Search TAP AIR PORTUGAL flights
Virgin AtlanticPriceFrom $469Free CancellationRating
7.4
664 reviews
Search Virgin Atlantic flights
Aer LingusPriceFrom $475Free CancellationRating
7.2
1,281 reviews
Search Aer Lingus flights
FinnairPriceFrom $490Free CancellationRating
7.6
1,324 reviews
Search Finnair 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.
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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
Flights to Londonfrom $333
Flights to Manchesterfrom $391
Flights to Edinburghfrom $396
Flights to Glasgowfrom $374
Flights to Birminghamfrom $389
Flights to Newcastle upon Tynefrom $430
Flights to Belfastfrom $514
Flights to Bristolfrom $425
Flights to Invernessfrom $407
Flights to Liverpoolfrom $441
Flights to Aberdeenfrom $487
Flights to Leedsfrom $453