How long does it take to fly to Southampton?

Average flight duration from California to Southampton depends on which airport you fly into and out of. Flying from San Francisco to London Heathrow Airport is 10h 10m on average, while flying from Los Angeles to London Heathrow Airport is 10h 20m on average. London Heathrow Airport is the most popular airport in Southampton.

What is the cheapest airline that flies from California to Southampton Eastleigh?

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

What airlines fly to Southampton?

British Airways, United Airlines and Virgin Atlantic are the top three most popular airlines that fly to Southampton from California according to our data. British Airways is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Southampton. Keep in mind that there are 21 different airlines that fly to Southampton on a routine basis, so you have a few additional options to choose from.

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?

As of March 2026, there are 3 operators available to choose from 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.

$380 Cheap Flights from California to Southampton in 2026

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Find the cheapest flights from California to London

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:30 pm - 3:00 pm

SFO

SOU

34h 30m

1 stop

7:20 pm - 2:35 pm

SOU

SFO

27h 15m

2 stops

$912Multiple Airlines

Mon, Apr 27 - Mon, May 4

1:45 pm - 4:50 pm

SFO

SOU

19h 05m

1 stop

9:20 am - 3:55 pm

SOU

SFO

14h 35m

1 stop

$925Multiple Airlines

Wed, Sep 16 - Wed, Sep 30

1:45 pm - 8:35 am

SFO

SOU

34h 50m

1 stop

5:20 pm - 11:45 am

SOU

SFO

26h 25m

1 stop

$948Delta

Mon, Sep 14 - Mon, Sep 28

1:45 pm - 8:35 am

SFO

SOU

34h 50m

1 stop

9:05 am - 11:45 am

SOU

SFO

34h 40m

1 stop

$949Delta

Sun, Sep 13 - Tue, Sep 29

11:35 am - 4:50 pm

SJC

SOU

21h 15m

2 stops

5:20 pm - 3:32 pm

SOU

SJC

30h 12m

2 stops

$985KLM

Wed, May 6 - Wed, May 13

8:25 pm - 5:35 pm

LAS

SOU

13h 10m

1 stop

6:05 pm - 6:35 pm

SOU

LAS

32h 30m

1 stop

$1,008KLM

Tue, Aug 11 - Thu, Aug 27

12:48 pm - 4:50 pm

LAS

SOU

20h 02m

2 stops

9:20 am - 8:48 pm

SOU

LAS

43h 28m

2 stops

$1,129Aer Lingus

Tue, Aug 11 - Wed, Aug 26

8:25 pm - 8:45 am

LAS

SOU

28h 20m

1 stop

9:15 am - 9:56 pm

SOU

LAS

20h 41m

2 stops

$1,132Scandinavian Airlines

Thu, Sep 3 - Sat, Sep 19

11:51 am - 7:30 pm

LAS

SOU

23h 39m

2 stops

8:00 pm - 7:48 pm

SOU

LAS

31h 48m

2 stops

$1,146Aer Lingus

Mon, May 4 - Mon, May 11

6:15 am - 8:35 am

SAN

SOU

18h 20m

2 stops

9:05 am - 8:45 pm

SOU

SAN

19h 40m

2 stops

$4,110Scandinavian Airlines

Sun, Apr 5 - Fri, Apr 10

Delta flights from California to Southampton

Our best Delta deals on California to Southampton flight tickets

Delta

Sep 14

SFO1:45 pmSan Francisco

34h 50m

1 stop

SOU8:35 amSouthampton Eastleigh

Sep 28

SOU5:20 pmSouthampton Eastleigh

26h 25m

1 stop

SFO11:45 amSan Francisco

$948

Delta

Sep 13

SFO1:45 pmSan Francisco

34h 50m

1 stop

SOU8:35 amSouthampton Eastleigh

Sep 29

SOU9:05 amSouthampton Eastleigh

34h 40m

1 stop

SFO11:45 amSan Francisco

$949

Delta

Sep 13

SFO10:45 pmSan Francisco

25h 50m

2 stops

SOU8:35 amSouthampton Eastleigh

Sep 28

SOU5:20 pmSouthampton Eastleigh

26h 25m

1 stop

SFO11:45 amSan Francisco

$951

KLM flights from California to Southampton

Our best KLM deals on California to Southampton flight tickets

KLM

May 6

SJC11:35 amSan Jose

21h 15m

2 stops

SOU4:50 pmSouthampton Eastleigh

May 13

SOU5:20 pmSouthampton Eastleigh

30h 12m

2 stops

SJC3:32 pmSan Jose

$985

KLM

Sep 17

SFO1:00 pmSan Francisco

19h 50m

2 stops

SOU4:50 pmSouthampton Eastleigh

Sep 30

SOU5:20 pmSouthampton Eastleigh

26h 25m

1 stop

SFO11:45 amSan Francisco

$1,001

KLM

Sep 17

SFO1:00 pmSan Francisco

19h 50m

2 stops

SOU4:50 pmSouthampton Eastleigh

Sep 29

SOU9:05 amSouthampton Eastleigh

19h 14m

2 stops

SFO8:19 pmSan Francisco

$1,007

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Mon 4/27

8:30 pm-3:00 pm

1 stop34h 30m

Southampton Eastleigh

Mon 5/4

7:20 pm-2:35 pm

2 stops27h 15m

$912

Quickest round-trip

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Wed 9/16

1:45 pm-4:50 pm

1 stop19h 05m

Southampton Eastleigh

Wed 9/30

9:20 am-3:55 pm

1 stop14h 35m

$925

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Mon 9/14

1:45 pm-8:35 am

1 stop34h 50m

Southampton Eastleigh

Mon 9/28

5:20 pm-11:45 am

1 stop26h 25m

$948

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Sun 9/13

1:45 pm-8:35 am

1 stop34h 50m

Southampton Eastleigh

Tue 9/29

9:05 am-11:45 am

1 stop34h 40m

$949

San JoseSouthampton

SJC - SOU

SJCSOU

San Jose

Wed 5/6

11:35 am-4:50 pm

2 stops21h 15m

Southampton Eastleigh

Wed 5/13

5:20 pm-3:32 pm

2 stops30h 12m

$985

Las VegasSouthampton

LAS - SOU

LASSOU

Las Vegas Harry Reid Intl

Tue 8/11

8:25 pm-5:35 pm

1 stop13h 10m

Southampton Eastleigh

Thu 8/27

6:05 pm-6:35 pm

1 stop32h 30m

$1,008

Las VegasSouthampton

LAS - SOU

LASSOU

Las Vegas Harry Reid Intl

Tue 8/11

12:48 pm-4:50 pm

2 stops20h 02m

Southampton Eastleigh

Wed 8/26

9:20 am-8:48 pm

2 stops43h 28m

$1,129

Las VegasSouthampton

LAS - SOU

LASSOU

Las Vegas Harry Reid Intl

Thu 9/3

8:25 pm-8:45 am

1 stop28h 20m

Southampton Eastleigh

Sat 9/19

9:15 am-9:56 pm

2 stops20h 41m

$1,132

Las VegasSouthampton

LAS - SOU

LASSOU

Las Vegas Harry Reid Intl

Mon 5/4

11:51 am-7:30 pm

2 stops23h 39m

Southampton Eastleigh

Mon 5/11

8:00 pm-7:48 pm

2 stops31h 48m

$1,146

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Sun 4/5

6:15 am-8:35 am

2 stops18h 20m

Southampton Eastleigh

Fri 4/10

9:05 am-8:45 pm

2 stops19h 40m

$4,110

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

Can stopping save me money on California to Southampton flights?

You could potentially save up to 13% 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

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.

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?
As of March 2026, there are 3 operators available to choose from 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
Delta	PriceFrom $781	Free Cancellation	Rating 7.9 8,326 reviews	Search Delta flights
Aer Lingus	PriceFrom $797	Free Cancellation	Rating 7.2 1,487 reviews	Search Aer Lingus flights
KLM	PriceFrom $814	Free Cancellation	Rating 7.8 1,478 reviews	Search KLM flights

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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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Cheap flights from California to London from $380

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 9/20. 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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How to get the cheapest flight ticket from California to Southampton

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What airlines fly to Southampton?

How long does it take to fly to Southampton?

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An easier way to manage your Southampton trip

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List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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