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Cheap flights from California to London from $405

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 11/16. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from California to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:20 pm - 8:40 amSFO  San Francisco-SOU Southampton Eastleigh
31h 20m1 stop Dublin
Multiple Airlines Logo
3:00 pm - 2:45 pmSOU  Southampton Eastleigh-SFO San Francisco
31h 45m2 stops Barcelona-El Prat Lisbon Humberto Delgado
$965Multiple Airlines
Sun, Feb 14 - Fri, Mar 5
Aer Lingus Logo
5:20 pm - 8:40 amSFO  San Francisco-SOU Southampton Eastleigh
31h 20m1 stop Dublin
Aer Lingus Logo
9:20 am - 3:35 pmSOU  Southampton Eastleigh-SFO San Francisco
14h 15m1 stop Dublin
$988Aer Lingus
Sun, Feb 14 - Fri, Mar 5
Aer Lingus Logo
5:20 pm - 8:40 amSFO  San Francisco-SOU Southampton Eastleigh
31h 20m1 stop Dublin
Aer Lingus Logo
9:20 am - 3:35 pmSOU  Southampton Eastleigh-SFO San Francisco
14h 15m1 stop Dublin
$988Aer Lingus
Sun, Feb 14 - Mon, Mar 1
Aer Lingus Logo
5:20 pm - 8:40 amSFO  San Francisco-SOU Southampton Eastleigh
31h 20m1 stop Dublin
Aer Lingus Logo
9:20 am - 3:35 pmSOU  Southampton Eastleigh-SFO San Francisco
14h 15m1 stop Dublin
$988Aer Lingus
Sun, Feb 14 - Sun, Feb 28
Multiple Airlines Logo
5:35 pm - 10:15 amSFO  San Francisco-SOU Southampton Eastleigh
32h 40m2 stops Dublin Glasgow Intl
Multiple Airlines Logo
9:20 am - 3:50 pmSOU  Southampton Eastleigh-SFO San Francisco
14h 30m1 stop Dublin
$991Multiple Airlines
Mon, Sep 28 - Mon, Oct 5
Delta Logo
1:50 pm - 5:00 pmSFO  San Francisco-SOU Southampton Eastleigh
19h 10m1 stop Amsterdam Schiphol
Delta Logo
8:40 am - 11:45 amSOU  Southampton Eastleigh-SFO San Francisco
35h 05m1 stop Amsterdam Schiphol
$999Delta
Sun, Nov 15 - Mon, Nov 23
Delta Logo
1:50 pm - 5:00 pmSFO  San Francisco-SOU Southampton Eastleigh
19h 10m1 stop Amsterdam Schiphol
Delta Logo
5:30 pm - 11:45 amSOU  Southampton Eastleigh-SFO San Francisco
26h 15m1 stop Amsterdam Schiphol
$999Delta
Sun, Nov 15 - Thu, Nov 19
Delta Logo
10:30 pm - 8:10 amSFO  San Francisco-SOU Southampton Eastleigh
25h 40m2 stops New York John F Kennedy Intl Amsterdam Schiphol
Delta Logo
5:30 pm - 11:45 amSOU  Southampton Eastleigh-SFO San Francisco
26h 15m1 stop Amsterdam Schiphol
$1,003Delta
Sat, Nov 14 - Mon, Nov 23
Multiple Airlines Logo
4:45 pm - 4:50 pmLAX  Los Angeles-SOU Southampton Eastleigh
16h 05m1 stop Amsterdam Schiphol
Multiple Airlines Logo
9:20 am - 6:25 pmSOU  Southampton Eastleigh-LAX Los Angeles
17h 05m1 stop Dublin
$1,010Multiple Airlines
Wed, Sep 30 - Wed, Oct 7
Multiple Airlines Logo
4:45 pm - 7:30 pmLAX  Los Angeles-SOU Southampton Eastleigh
18h 45m2 stops Amsterdam Schiphol Dublin
Multiple Airlines Logo
9:20 am - 6:25 pmSOU  Southampton Eastleigh-LAX Los Angeles
17h 05m1 stop Dublin
$1,037Multiple Airlines
Wed, Sep 30 - Wed, Oct 7

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Aer Lingus flights from California to Southampton

Our best Aer Lingus deals on California to Southampton flight tickets
Aer Lingus
Feb 14
SFO5:20 pmSan Francisco
31h 20m
1 stop
SOU8:40 amSouthampton Eastleigh
Mar 5
SOU9:20 amSouthampton Eastleigh
14h 15m
1 stop
SFO3:35 pmSan Francisco
$988
Aer Lingus
Feb 14
SFO5:20 pmSan Francisco
31h 20m
1 stop
SOU8:40 amSouthampton Eastleigh
Feb 27
SOU9:20 amSouthampton Eastleigh
14h 15m
1 stop
SFO3:35 pmSan Francisco
$1,027
Aer Lingus
Feb 13
SFO5:20 pmSan Francisco
31h 20m
1 stop
SOU8:40 amSouthampton Eastleigh
Mar 3
SOU9:20 amSouthampton Eastleigh
14h 15m
1 stop
SFO3:35 pmSan Francisco
$1,043

Delta flights from California to Southampton

Our best Delta deals on California to Southampton flight tickets
Delta
Nov 15
SFO1:50 pmSan Francisco
19h 10m
1 stop
SOU5:00 pmSouthampton Eastleigh
Nov 23
SOU8:40 amSouthampton Eastleigh
35h 05m
1 stop
SFO11:45 amSan Francisco
$999
Delta
Nov 11
SFO7:00 amSan Francisco
17h 10m
2 stops
SOU8:10 amSouthampton Eastleigh
Nov 19
SOU5:30 pmSouthampton Eastleigh
26h 15m
1 stop
SFO11:45 amSan Francisco
$1,003
Delta
Nov 16
LAX1:50 pmLos Angeles
19h 10m
1 stop
SOU5:00 pmSouthampton Eastleigh
Dec 3
SOU5:30 pmSouthampton Eastleigh
26h 15m
1 stop
LAX11:45 amLos Angeles
$1,011

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 August 18, 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 round-trip

San FranciscoSouthampton

SFO San Francisco - SOU Southampton Eastleigh

SFOSOU

San Francisco

Sun 2/14

5:20 pm-8:40 am

1 stop31h 20m

Southampton Eastleigh

Fri 3/5

3:00 pm-2:45 pm

2 stops31h 45m

$965

San FranciscoSouthampton

SFO San Francisco - SOU Southampton Eastleigh

SFOSOU

San Francisco

Sun 2/14

5:20 pm-8:40 am

1 stop31h 20m

Southampton Eastleigh

Fri 3/5

9:20 am-3:35 pm

1 stop14h 15m

$988

San FranciscoSouthampton

SFO San Francisco - SOU Southampton Eastleigh

SFOSOU

San Francisco

Sun 2/14

5:20 pm-8:40 am

1 stop31h 20m

Southampton Eastleigh

Mon 3/1

9:20 am-3:35 pm

1 stop14h 15m

$988

San FranciscoSouthampton

SFO San Francisco - SOU Southampton Eastleigh

SFOSOU

San Francisco

Sun 2/14

5:20 pm-8:40 am

1 stop31h 20m

Southampton Eastleigh

Sun 2/28

9:20 am-3:35 pm

1 stop14h 15m

$988

San FranciscoSouthampton

SFO San Francisco - SOU Southampton Eastleigh

SFOSOU

San Francisco

Mon 9/28

5:35 pm-10:15 am

2 stops32h 40m

Southampton Eastleigh

Mon 10/5

9:20 am-3:50 pm

1 stop14h 30m

$991

San FranciscoSouthampton

SFO San Francisco - SOU Southampton Eastleigh

SFOSOU

San Francisco

Sun 11/15

1:50 pm-5:00 pm

1 stop19h 10m

Southampton Eastleigh

Mon 11/23

8:40 am-11:45 am

1 stop35h 05m

$999

San FranciscoSouthampton

SFO San Francisco - SOU Southampton Eastleigh

SFOSOU

San Francisco

Sun 11/15

1:50 pm-5:00 pm

1 stop19h 10m

Southampton Eastleigh

Thu 11/19

5:30 pm-11:45 am

1 stop26h 15m

$999

San FranciscoSouthampton

SFO San Francisco - SOU Southampton Eastleigh

SFOSOU

San Francisco

Sat 11/14

10:30 pm-8:10 am

2 stops25h 40m

Southampton Eastleigh

Mon 11/23

5:30 pm-11:45 am

1 stop26h 15m

$1,003
Quickest round-trip

Los AngelesSouthampton

LAX Los Angeles - SOU Southampton Eastleigh

LAXSOU

Los Angeles

Wed 9/30

4:45 pm-4:50 pm

1 stop16h 05m

Southampton Eastleigh

Wed 10/7

9:20 am-6:25 pm

1 stop17h 05m

$1,010

Los AngelesSouthampton

LAX Los Angeles - SOU Southampton Eastleigh

LAXSOU

Los Angeles

Wed 9/30

4:45 pm-7:30 pm

2 stops18h 45m

Southampton Eastleigh

Wed 10/7

9:20 am-6:25 pm

1 stop17h 05m

$1,037

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

Can stopping save me money on California to Southampton flights?

You could potentially save up to 11% 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

Best Price Found

$405

Fastest flight time

12h 25m

Direct flights

None
The best one-way flight to Southampton from California in the past 72 hours is $405. The best round-trip flight deal from California to Southampton found on momondo in the last 72 hours is $965.
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

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 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 $411Free CancellationRating
7.8
8,504 reviews
Search Delta flights
Aer LingusPriceFrom $923Free CancellationRating
7.3
1,708 reviews
Search Aer Lingus 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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