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Cheap flights from California to London from £336

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 24/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
23:59 - 08:40
LAS
-
SOU
24h 41m
2 stops
Multiple Airlines Logo
09:20 - 22:22
SOU
-
LAS
21h 02m
2 stops
£720Multiple Airlines
Sat, 5 Sep - Sat, 19 Sep
Delta Logo
13:45 - 16:50
SFO
-
SOU
19h 05m
1 stop
Delta Logo
09:05 - 11:45
SOU
-
SFO
34h 40m
1 stop
£739Delta
Sun, 11 Oct - Tue, 20 Oct
KLM Logo
20:25 - 08:45
LAS
-
SOU
28h 20m
1 stop
KLM Logo
09:15 - 18:35
SOU
-
LAS
17h 20m
1 stop
£739KLM
Tue, 11 Aug - Wed, 26 Aug
Delta Logo
14:48 - 17:35
LAS
-
SOU
18h 47m
2 stops
Delta Logo
09:15 - 18:35
SOU
-
LAS
17h 20m
1 stop
£742Delta
Tue, 11 Aug - Wed, 26 Aug
KLM Logo
14:02 - 17:35
LAS
-
SOU
19h 33m
2 stops
KLM Logo
18:05 - 18:35
SOU
-
LAS
32h 30m
1 stop
£742KLM
Tue, 11 Aug - Wed, 26 Aug
Delta Logo
06:06 - 08:45
SFO
-
SOU
18h 39m
2 stops
Delta Logo
17:20 - 11:45
SOU
-
SFO
26h 25m
1 stop
£742Delta
Tue, 25 Aug - Mon, 7 Sep
Delta Logo
13:45 - 16:50
SFO
-
SOU
19h 05m
1 stop
Delta Logo
09:05 - 21:35
SOU
-
SFO
20h 30m
2 stops
£746Delta
Sun, 6 Sep - Fri, 25 Sep
Delta Logo
16:45 - 16:50
LAX
-
SOU
16h 05m
1 stop
Delta Logo
17:20 - 11:50
SOU
-
LAX
26h 30m
1 stop
£748Delta
Mon, 5 Oct - Tue, 13 Oct
KLM Logo
07:00 - 08:35
SFO
-
SOU
17h 35m
2 stops
KLM Logo
09:05 - 22:55
SOU
-
SFO
21h 50m
2 stops
£750KLM
Wed, 16 Sep - Fri, 2 Oct
Multiple Airlines Logo
06:00 - 19:30
OAK
-
SOU
29h 30m
2 stops
Multiple Airlines Logo
09:20 - 22:55
SOU
-
OAK
21h 35m
2 stops
£946Multiple Airlines
Thu, 24 Sep - Fri, 9 Oct

Delta flights from California to Southampton

Our best Delta deals on California to Southampton flight tickets
Delta
11 Oct
SFO13:45San Francisco
19h 05m
1 stop
SOU16:50Southampton Eastleigh
20 Oct
SOU09:05Southampton Eastleigh
34h 40m
1 stop
SFO11:45San Francisco
£739
Delta
11 Aug
LAS14:48Las Vegas Harry Reid Intl
18h 47m
2 stops
SOU17:35Southampton Eastleigh
26 Aug
SOU09:15Southampton Eastleigh
17h 20m
1 stop
LAS18:35Las Vegas Harry Reid Intl
£742
Delta
25 Aug
SFO06:06San Francisco
18h 39m
2 stops
SOU08:45Southampton Eastleigh
7 Sept
SOU17:20Southampton Eastleigh
26h 25m
1 stop
SFO11:45San Francisco
£742

Aer Lingus flights from California to Southampton

Our best Aer Lingus deals on California to Southampton flight tickets
Aer Lingus
16 Sept
SFO17:40San Francisco
17h 50m
1 stop
SOU19:30Southampton Eastleigh
2 Oct
SOU09:20Southampton Eastleigh
14h 30m
1 stop
SFO15:50San Francisco
£836
Aer Lingus
16 Sept
SFO17:40San Francisco
17h 50m
1 stop
SOU19:30Southampton Eastleigh
2 Oct
SOU09:20Southampton Eastleigh
14h 30m
1 stop
SFO15:50San Francisco
£837
Aer Lingus
25 Aug
SFO17:40San Francisco
17h 50m
1 stop
SOU19:30Southampton Eastleigh
7 Sept
SOU09:20Southampton Eastleigh
14h 30m
1 stop
SFO15:50San Francisco
£867

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 13 May 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

Las VegasSouthampton

LAS - SOU

LASSOU

Las Vegas Harry Reid Intl

Sat 5/9

23:59-08:40

2 stops24h 41m

Southampton Eastleigh

Sat 19/9

09:20-22:22

2 stops21h 02m

£720

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Sun 11/10

13:45-16:50

1 stop19h 05m

Southampton Eastleigh

Tue 20/10

09:05-11:45

1 stop34h 40m

£739

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

09:15-18:35

1 stop17h 20m

£739
Fastest return journey

Las VegasSouthampton

LAS - SOU

LASSOU

Las Vegas Harry Reid Intl

Tue 11/8

14:48-17:35

2 stops18h 47m

Southampton Eastleigh

Wed 26/8

09:15-18:35

1 stop17h 20m

£742

Las VegasSouthampton

LAS - SOU

LASSOU

Las Vegas Harry Reid Intl

Tue 11/8

14:02-17:35

2 stops19h 33m

Southampton Eastleigh

Wed 26/8

18:05-18:35

1 stop32h 30m

£742

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Tue 25/8

06:06-08:45

2 stops18h 39m

Southampton Eastleigh

Mon 7/9

17:20-11:45

1 stop26h 25m

£742

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Sun 6/9

13:45-16:50

1 stop19h 05m

Southampton Eastleigh

Fri 25/9

09:05-21:35

2 stops20h 30m

£746

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Mon 5/10

16:45-16:50

1 stop16h 05m

Southampton Eastleigh

Tue 13/10

17:20-11:50

1 stop26h 30m

£748

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Wed 16/9

07:00-08:35

2 stops17h 35m

Southampton Eastleigh

Fri 2/10

09:05-22:55

2 stops21h 50m

£750

OaklandSouthampton

OAK - SOU

OAKSOU

Oakland

Thu 24/9

06:00-19:30

2 stops29h 30m

Southampton Eastleigh

Fri 9/10

09:20-22:55

2 stops21h 35m

£946

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?

KLM, Aer Lingus, and Delta 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 45% 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

12h 25m

Direct flights

None
The fastest flight from California to Southampton takes 12h 25m
There are no direct flights from California to Southampton. There are no popular flight routes from California to Southampton.
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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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