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Cheap flights from California to London from $393

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 London departing on 4/20. 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 round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
4:05 pm - 5:00 pmLAS-SOU
16h 55m1 stop
Delta Logo
8:40 am - 2:15 pmSOU-LAS
13h 35m1 stop
$739Delta
Find Deal
Tue, Dec 9 - Tue, Dec 16
Delta Logo
12:01 pm - 5:00 pmLAS-SOU
20h 59m2 stops
Delta Logo
8:40 am - 2:15 pmSOU-LAS
13h 35m1 stop
$744Delta
Find Deal
Mon, Dec 8 - Tue, Dec 16
Virgin Atlantic Logo
1:45 pm - 5:00 pmLAX-SOU
19h 15m1 stop
Virgin Atlantic Logo
8:50 am - 11:45 amSOU-LAX
34h 55m1 stop
$797Virgin Atlantic
Find Deal
Thu, Feb 26 - Mon, Mar 2
Virgin Atlantic Logo
8:30 am - 5:00 pmLAX-SOU
24h 30m2 stops
Virgin Atlantic Logo
8:50 am - 11:45 amSOU-LAX
34h 55m1 stop
$801Virgin Atlantic
Find Deal
Thu, Feb 26 - Mon, Mar 2
KLM Logo
1:55 pm - 5:00 pmSFO-SOU
19h 05m1 stop
KLM Logo
6:05 pm - 11:50 amSOU-SFO
25h 45m1 stop
$817KLM
Find Deal
Thu, Dec 4 - Sun, Dec 7
KLM Logo
7:00 am - 8:05 amSFO-SOU
17h 05m2 stops
KLM Logo
6:05 pm - 11:50 amSOU-SFO
25h 45m1 stop
$822KLM
Find Deal
Thu, Dec 4 - Sun, Dec 7
Aer Lingus Logo
5:20 pm - 3:35 pmSFO-SOU
14h 15m1 stop
Aer Lingus Logo
8:10 pm - 3:35 pmSOU-SFO
27h 25m1 stop
$1,014Aer Lingus
Find Deal
Tue, Nov 18 - Tue, Dec 2
Aer Lingus Logo
12:45 am - 8:45 amLAX-SOU
24h 00m2 stops
Aer Lingus Logo
9:30 am - 6:30 pmSOU-LAX
17h 00m1 stop
$1,016Aer Lingus
Find Deal
Tue, Nov 18 - Sun, Dec 7
British Airways Logo
8:15 pm - 7:40 pmLAX-SOU
15h 25m1 stop
British Airways Logo
8:25 pm - 2:30 pmSOU-LAX
25h 05m2 stops
$1,117British Airways
Find Deal
Wed, Mar 4 - Sun, Mar 8
British Airways Logo
7:00 pm - 8:20 pmLAX-SOU
18h 20m2 stops
British Airways Logo
9:30 am - 7:30 pmSOU-LAX
17h 00m1 stop
$1,241British Airways
Find Deal
Mon, Mar 23 - Fri, Mar 27

Delta flights from California to Southampton

Our best Delta deals on California to Southampton flight tickets
Delta
Dec 9
LAS4:05 pmLas Vegas Harry Reid Intl
16h 55m
1 stop
SOU5:00 pmSouthampton Eastleigh
Dec 16
SOU8:40 amSouthampton Eastleigh
13h 35m
1 stop
LAS2:15 pmLas Vegas Harry Reid Intl
$739
Find similar
Delta
Dec 8
LAS12:01 pmLas Vegas Harry Reid Intl
20h 59m
2 stops
SOU5:00 pmSouthampton Eastleigh
Dec 16
SOU8:40 amSouthampton Eastleigh
13h 35m
1 stop
LAS2:15 pmLas Vegas Harry Reid Intl
$744
Find similar
Delta
Dec 11
LAS4:05 pmLas Vegas Harry Reid Intl
16h 55m
1 stop
SOU5:00 pmSouthampton Eastleigh
Dec 16
SOU8:40 amSouthampton Eastleigh
19h 12m
2 stops
LAS7:52 pmLas Vegas Harry Reid Intl
$749
Find similar

Virgin Atlantic flights from California to Southampton

Our best Virgin Atlantic deals on California to Southampton flight tickets
Virgin Atlantic
Feb 26
LAX1:45 pmLos Angeles
19h 15m
1 stop
SOU5:00 pmSouthampton Eastleigh
Mar 2
SOU8:50 amSouthampton Eastleigh
34h 55m
1 stop
LAX11:45 amLos Angeles
$797
Find similar
Virgin Atlantic
Feb 26
LAX8:30 amLos Angeles
24h 30m
2 stops
SOU5:00 pmSouthampton Eastleigh
Mar 2
SOU8:50 amSouthampton Eastleigh
34h 55m
1 stop
LAX11:45 amLos Angeles
$801
Find similar
Virgin Atlantic
Feb 26
BUR1:30 pmBurbank Bob Hope
43h 30m
2 stops
SOU5:00 pmSouthampton Eastleigh
Mar 2
SOU8:50 amSouthampton Eastleigh
45h 08m
2 stops
BUR9:58 pmBurbank Bob Hope
$818
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from California to Southampton 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 November 6, 2025.
Use the filters below to find and compare flights from California to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Las VegasSouthampton

LAS - SOU

LASSOU

Las Vegas Harry Reid Intl

Tue 12/9

4:05 pm-5:00 pm

1 stop16h 55m

Southampton Eastleigh

Tue 12/16

8:40 am-2:15 pm

1 stop13h 35m

$739

Las VegasSouthampton

LAS - SOU

LASSOU

Las Vegas Harry Reid Intl

Mon 12/8

12:01 pm-5:00 pm

2 stops20h 59m

Southampton Eastleigh

Tue 12/16

8:40 am-2:15 pm

1 stop13h 35m

$744

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Thu 2/26

1:45 pm-5:00 pm

1 stop19h 15m

Southampton Eastleigh

Mon 3/2

8:50 am-11:45 am

1 stop34h 55m

$797

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Thu 2/26

8:30 am-5:00 pm

2 stops24h 30m

Southampton Eastleigh

Mon 3/2

8:50 am-11:45 am

1 stop34h 55m

$801

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Thu 12/4

1:55 pm-5:00 pm

1 stop19h 05m

Southampton Eastleigh

Sun 12/7

6:05 pm-11:50 am

1 stop25h 45m

$817

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Thu 12/4

7:00 am-8:05 am

2 stops17h 05m

Southampton Eastleigh

Sun 12/7

6:05 pm-11:50 am

1 stop25h 45m

$822

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Tue 11/18

5:20 pm-3:35 pm

1 stop14h 15m

Southampton Eastleigh

Tue 12/2

8:10 pm-3:35 pm

1 stop27h 25m

$1,014

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Tue 11/18

12:45 am-8:45 am

2 stops24h 00m

Southampton Eastleigh

Sun 12/7

9:30 am-6:30 pm

1 stop17h 00m

$1,016

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Wed 3/4

8:15 pm-7:40 pm

1 stop15h 25m

Southampton Eastleigh

Sun 3/8

8:25 pm-2:30 pm

2 stops25h 05m

$1,117

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Mon 3/23

7:00 pm-8:20 pm

2 stops18h 20m

Southampton Eastleigh

Fri 3/27

9:30 am-7:30 pm

1 stop17h 00m

$1,241

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 London from

How to get the cheapest flight ticket from California to Southampton

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 Southampton?

If you don’t want to visit Southampton in April, then you should wait until February to fly from California, when ticket prices are also cheap, with an average price of $809.

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

On average, the least expensive day to fly to Southampton from California is on a Monday. momondo users have found tickets for Monday departures for as low as $988. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from California to Southampton for around $1,198.

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

Flying to Southampton from California in the evening is the least expensive time of day to depart. momondo users have found prices as low as $993 when looking at flights departing in the evening. Flights to Southampton are more costly in the afternoon, with an average ticket price of $1,195. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on California to Southampton flights?

You could potentially save up to 5% on your flight if you consider stops on a California to Southampton flight.

Cheap California to Southampton flight deals and tips

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

Direct flights

None
There are no direct flights from California to Southampton. There are no popular flight routes from California to Southampton.
Search flight deals

  • When did momondo last update prices for flights from California to Southampton Eastleigh Airport?

    Prices for flights from California to Southampton Eastleigh Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from California to Southampton Eastleigh Airport?

  • How old do you have to be to fly from California to Southampton Eastleigh Airport?

    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 Southampton Eastleigh Airport.

  • What documentation or ID do you need to fly to Southampton Eastleigh Airport?

    The required travel and health documents for your Southampton Eastleigh Airport 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 Southampton Eastleigh Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from California to Southampton

Compare and see reviews for airlines that fly from California to Southampton with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $684Free CancellationRating
7.9
8,004 reviews
Search Delta flights
KLMPriceFrom $793Free CancellationRating
7.7
1,405 reviews
Search KLM flights
Aer LingusPriceFrom $797Free CancellationRating
7.2
1,365 reviews
Search Aer Lingus flights
Virgin AtlanticPriceFrom $802Free CancellationRating
7.5
672 reviews
Search Virgin Atlantic flights

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
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Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from California to Southampton for you.

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

All flight searches from California to Southampton on momondo can be filtered to show those which offer flexible booking policies.

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

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 Southampton.

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

Price alerts on flights to Southampton from California are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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