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Cheap flights from California to London from £291

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 12/9. 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
1 adult, Economy, 0 bags
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Find the cheapest flights from California to London

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
19:45 - 08:25
LAX
-
SOU
52h 40m
2 stops
Multiple Airlines Logo
09:20 - 18:25
SOU
-
LAX
17h 05m
1 stop
£711Multiple Airlines
Wed, 5 Aug - Thu, 20 Aug
Multiple Airlines Logo
19:45 - 08:25
LAX
-
SOU
52h 40m
2 stops
Multiple Airlines Logo
09:20 - 18:25
SOU
-
LAX
17h 05m
1 stop
£712Multiple Airlines
Wed, 5 Aug - Thu, 20 Aug
Multiple Airlines Logo
19:45 - 18:10
LAX
-
SOU
14h 25m
1 stop
Multiple Airlines Logo
09:20 - 18:25
SOU
-
LAX
17h 05m
1 stop
£727Multiple Airlines
Fri, 7 Aug - Sat, 22 Aug
Delta Logo
13:45 - 16:50
SFO
-
SOU
19h 05m
1 stop
Delta Logo
17:20 - 11:45
SOU
-
SFO
26h 25m
1 stop
£750Delta
Tue, 29 Sep - Wed, 14 Oct
Delta Logo
11:48 - 16:50
SFO
-
SOU
21h 02m
2 stops
Delta Logo
09:05 - 11:45
SOU
-
SFO
34h 40m
1 stop
£753Delta
Tue, 29 Sep - Tue, 13 Oct
Delta Logo
13:45 - 16:50
SFO
-
SOU
19h 05m
1 stop
Delta Logo
09:05 - 21:35
SOU
-
SFO
20h 30m
2 stops
£757Delta
Tue, 29 Sep - Fri, 9 Oct
Multiple Airlines Logo
19:45 - 18:10
LAX
-
SOU
14h 25m
1 stop
Multiple Airlines Logo
09:20 - 21:54
SOU
-
LAX
20h 34m
2 stops
£768Multiple Airlines
Fri, 7 Aug - Sat, 22 Aug
KLM Logo
13:45 - 16:50
SFO
-
SOU
19h 05m
1 stop
KLM Logo
09:05 - 22:27
SOU
-
SFO
21h 22m
2 stops
£775KLM
Wed, 16 Sep - Fri, 2 Oct
KLM Logo
06:20 - 08:35
SAN
-
SOU
18h 15m
2 stops
KLM Logo
09:05 - 23:46
SOU
-
SAN
22h 41m
2 stops
£787KLM
Mon, 28 Sep - Tue, 13 Oct
KLM Logo
20:25 - 08:45
LAS
-
SOU
28h 20m
1 stop
KLM Logo
18:05 - 18:35
SOU
-
LAS
32h 30m
1 stop
£794KLM
Tue, 11 Aug - Wed, 26 Aug

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Delta flights from California to Southampton

Our best Delta deals on California to Southampton flight tickets
Delta
29 Sept
SFO13:45San Francisco
19h 05m
1 stop
SOU16:50Southampton Eastleigh
14 Oct
SOU17:20Southampton Eastleigh
26h 25m
1 stop
SFO11:45San Francisco
£750
Delta
29 Sept
SFO11:48San Francisco
21h 02m
2 stops
SOU16:50Southampton Eastleigh
14 Oct
SOU17:20Southampton Eastleigh
26h 25m
1 stop
SFO11:45San Francisco
£753
Delta
29 Sept
SFO13:45San Francisco
19h 05m
1 stop
SOU16:50Southampton Eastleigh
9 Oct
SOU09:05Southampton Eastleigh
20h 30m
2 stops
SFO21:35San Francisco
£757

British Airways flights from California to Southampton

Our best British Airways deals on California to Southampton flight tickets
British Airways
15 Jul
LAS22:10Las Vegas Harry Reid Intl
27h 15m
2 stops
SOU09:25Southampton Eastleigh
24 Jul
SOU15:15Southampton Eastleigh
31h 40m
2 stops
LAS14:55Las Vegas Harry Reid Intl
£4,315
British Airways
10 Jul
LAS22:10Las Vegas Harry Reid Intl
27h 35m
2 stops
SOU09:45Southampton Eastleigh
13 Jul
SOU06:45Southampton Eastleigh
21h 15m
2 stops
LAS20:00Las Vegas Harry Reid Intl
£4,322
British Airways
6 Jul
LAX17:05Los Angeles Los Angeles
18h 20m
2 stops
SOU19:25Southampton Eastleigh
22 Jul
SOU09:20Southampton Eastleigh
17h 05m
1 stop
LAX18:25Los Angeles Los Angeles
£4,422

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 2 July 2026.
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

Cheapest return flight

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles Los Angeles

Wed 5/8

19:45-08:25

2 stops52h 40m

Southampton Eastleigh

Thu 20/8

09:20-18:25

1 stop17h 05m

£711

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles Los Angeles

Wed 5/8

19:45-08:25

2 stops52h 40m

Southampton Eastleigh

Thu 20/8

09:20-18:25

1 stop17h 05m

£712
Fastest return journey

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles Los Angeles

Fri 7/8

19:45-18:10

1 stop14h 25m

Southampton Eastleigh

Sat 22/8

09:20-18:25

1 stop17h 05m

£727

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Tue 29/9

13:45-16:50

1 stop19h 05m

Southampton Eastleigh

Wed 14/10

17:20-11:45

1 stop26h 25m

£750

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Tue 29/9

11:48-16:50

2 stops21h 02m

Southampton Eastleigh

Tue 13/10

09:05-11:45

1 stop34h 40m

£753

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Tue 29/9

13:45-16:50

1 stop19h 05m

Southampton Eastleigh

Fri 9/10

09:05-21:35

2 stops20h 30m

£757

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles Los Angeles

Fri 7/8

19:45-18:10

1 stop14h 25m

Southampton Eastleigh

Sat 22/8

09:20-21:54

2 stops20h 34m

£768

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Wed 16/9

13:45-16:50

1 stop19h 05m

Southampton Eastleigh

Fri 2/10

09:05-22:27

2 stops21h 22m

£775

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Mon 28/9

06:20-08:35

2 stops18h 15m

Southampton Eastleigh

Tue 13/10

09:05-23:46

2 stops22h 41m

£787

Las VegasSouthampton

LAS - SOU

LASSOU

Las Vegas Harry Reid Intl

Tue 11/8

20:25-08:45

1 stop28h 20m

Southampton Eastleigh

Wed 26/8

18:05-18:35

1 stop32h 30m

£794

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 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 airline that flies from California to Southampton Eastleigh?

Delta and Aer Lingus are the most popular carriers operating from California to Southampton Eastleigh

Which airlines fly to Southampton?

Virgin Atlantic, British Airways and United Airlines are the top three most popular airlines that fly to Southampton from California according to our data. Virgin Atlantic is the first choice among our users, with 44% of people opting to fly with this airline when travelling to Southampton. Keep in mind that there are 12 different airlines that fly to Southampton on a routine basis, so you have a few additional options to choose from.

Cheap California to Southampton flight deals and tips

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

Fastest flight time

13h 35m

Direct flights

None
The fastest flight from California to Southampton takes 13h 35m
There are no direct flights from California to Southampton. There are no popular flight routes from California to Southampton.
Search flight deals

Frequently asked questions about flying from California to Southampton

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

    Prices for flights from California to Southampton Eastleigh Airport were last updated today.

  • 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 travel and health documents required for your trip to Southampton Eastleigh Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Southampton Eastleigh Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Portsmouth

Why use momondo?

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

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

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

Yes. All flights to Southampton 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 Southampton?

momondo helps you find the best flight between California and Southampton by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Southampton 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 Southampton trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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