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Cheap flights from California to London from $262

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 10/19. 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

Delta Logo
1:45 pm - 5:50 pmSFO-SOU
20h 05m1 stop
Delta Logo
6:25 pm - 11:45 amSOU-SFO
25h 20m1 stop
$812Delta
Find Deal
Mon, Aug 11 - Tue, Aug 19
Delta Logo
7:00 am - 5:25 pmSFO-SOU
26h 25m2 stops
Delta Logo
8:40 am - 11:50 amSOU-SFO
35h 10m1 stop
$816Delta
Find Deal
Sun, Dec 7 - Wed, Dec 24
Aer Lingus Logo
8:15 pm - 7:30 pmLAX-SOU
15h 15m1 stop
Aer Lingus Logo
9:40 am - 6:25 pmSOU-LAX
16h 45m1 stop
$821Aer Lingus
Find Deal
Sun, Sep 7 - Mon, Sep 15
KLM Logo
7:00 am - 8:45 amSFO-SOU
17h 45m2 stops
KLM Logo
6:25 pm - 11:45 amSOU-SFO
25h 20m1 stop
$874KLM
Find Deal
Thu, Sep 4 - Sun, Sep 14
KLM Logo
7:00 am - 8:45 amSFO-SOU
17h 45m2 stops
KLM Logo
9:20 am - 11:45 amSOU-SFO
34h 25m1 stop
$875KLM
Find Deal
Thu, Sep 4 - Sun, Sep 14
Logo
8:30 pm - 7:35 amSFO-SOU
27h 05m1 stop
Logo
4:25 pm - 12:23 pmSOU-SFO
51h 58m2 stops
$899
Find Deal
Sat, Sep 13 - Sat, Sep 20
Aer Lingus Logo
5:40 pm - 8:15 amSFO-SOU
30h 35m1 stop
Aer Lingus Logo
9:10 am - 3:55 pmSOU-SFO
14h 45m1 stop
$941Aer Lingus
Find Deal
Sun, Sep 14 - Sun, Sep 21
Logo
9:57 pm - 9:10 amLAS-SOU
27h 13m2 stops
Logo
4:25 pm - 9:53 pmSOU-LAS
37h 28m3 stops
$1,160
Find Deal
Sat, Sep 13 - Sat, Sep 20
British Airways Logo
8:55 pm - 8:10 amLAS-SOU
27h 15m2 stops
British Airways Logo
9:30 am - 5:50 pmSOU-LAS
16h 20m1 stop
$2,319British Airways
Find Deal
Sat, Dec 6 - Sat, Dec 13
British Airways Logo
8:55 pm - 8:10 amLAS-SOU
27h 15m2 stops
British Airways Logo
7:15 am - 10:53 amSOU-LAS
35h 38m2 stops
$10,172British Airways
Find Deal
Sat, Dec 6 - Sat, Dec 13

Delta flights from California to Southampton

Our best Delta deals on California to Southampton flight tickets
Delta
Aug 11
SFO1:45 pmSan Francisco
20h 05m
1 stop
SOU5:50 pmSouthampton Eastleigh
Aug 19
SOU6:25 pmSouthampton Eastleigh
25h 20m
1 stop
SFO11:45 amSan Francisco
$812
Find similar
Delta
Dec 7
SFO7:00 amSan Francisco
26h 25m
2 stops
SOU5:25 pmSouthampton Eastleigh
Dec 24
SOU8:40 amSouthampton Eastleigh
35h 10m
1 stop
SFO11:50 amSan Francisco
$816
Find similar
Delta
Aug 10
SFO6:15 amSan Francisco
18h 30m
2 stops
SOU8:45 amSouthampton Eastleigh
Aug 19
SOU6:25 pmSouthampton Eastleigh
25h 20m
1 stop
SFO11:45 amSan Francisco
$817
Find similar

KLM flights from California to Southampton

Our best KLM deals on California to Southampton flight tickets
KLM
Aug 6
SJC6:20 amSan Jose
18h 25m
2 stops
SOU8:45 amSouthampton Eastleigh
Aug 22
SOU9:20 amSouthampton Eastleigh
19h 17m
2 stops
SJC8:37 pmSan Jose
$826
Find similar
KLM
Aug 6
SJC2:32 pmSan Jose
19h 18m
2 stops
SOU5:50 pmSouthampton Eastleigh
Aug 22
SOU9:20 amSouthampton Eastleigh
17h 21m
2 stops
SJC6:41 pmSan Jose
$827
Find similar
KLM
Sep 4
SFO7:00 amSan Francisco
17h 45m
2 stops
SOU8:45 amSouthampton Eastleigh
Sep 14
SOU6:25 pmSouthampton Eastleigh
25h 20m
1 stop
SFO11:45 amSan Francisco
$874
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 July 31, 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

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Mon 8/11

1:45 pm-5:50 pm

1 stop20h 05m

Southampton Eastleigh

Tue 8/19

6:25 pm-11:45 am

1 stop25h 20m

$812

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Sun 12/7

7:00 am-5:25 pm

2 stops26h 25m

Southampton Eastleigh

Wed 12/24

8:40 am-11:50 am

1 stop35h 10m

$816

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Sun 9/7

8:15 pm-7:30 pm

1 stop15h 15m

Southampton Eastleigh

Mon 9/15

9:40 am-6:25 pm

1 stop16h 45m

$821

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Thu 9/4

7:00 am-8:45 am

2 stops17h 45m

Southampton Eastleigh

Sun 9/14

6:25 pm-11:45 am

1 stop25h 20m

$874

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Thu 9/4

7:00 am-8:45 am

2 stops17h 45m

Southampton Eastleigh

Sun 9/14

9:20 am-11:45 am

1 stop34h 25m

$875

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Sat 9/13

8:30 pm-7:35 am

1 stop27h 05m

Southampton Eastleigh

Sat 9/20

4:25 pm-12:23 pm

2 stops51h 58m

$899

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Sun 9/14

5:40 pm-8:15 am

1 stop30h 35m

Southampton Eastleigh

Sun 9/21

9:10 am-3:55 pm

1 stop14h 45m

$941

Las VegasSouthampton

LAS - SOU

LASSOU

Las Vegas Harry Reid Intl

Sat 9/13

9:57 pm-9:10 am

2 stops27h 13m

Southampton Eastleigh

Sat 9/20

4:25 pm-9:53 pm

3 stops37h 28m

$1,160

Las VegasSouthampton

LAS - SOU

LASSOU

Las Vegas Harry Reid Intl

Sat 12/6

8:55 pm-8:10 am

2 stops27h 15m

Southampton Eastleigh

Sat 12/13

9:30 am-5:50 pm

1 stop16h 20m

$2,319

Las VegasSouthampton

LAS - SOU

LASSOU

Las Vegas Harry Reid Intl

Sat 12/6

8:55 pm-8:10 am

2 stops27h 15m

Southampton Eastleigh

Sat 12/13

7:15 am-10:53 am

2 stops35h 38m

$10,172

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 February, then you should wait until April to fly from California, when ticket prices are also cheap, with an average price of $845.

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

Best Price Found

$262

Fastest flight time

14h 15m

Direct flights

None

Airports in Southampton

1 airport
The best one-way flight to Southampton from California in the past 72 hours is $262. The best round-trip flight deal from California to Southampton found on momondo in the last 72 hours is $812.
The fastest flight from California to Southampton takes 14h 15m
There are no direct flights from California to Southampton. Popular non-direct routes for this connection are Los Angeles Airport - Southampton Eastleigh Airport, Las Vegas Harry Reid Intl Airport - Southampton Eastleigh Airport and San Francisco Airport - Southampton Eastleigh Airport.
There is 1 airport near Southampton: Southampton Eastleigh (SOU)
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
Aer LingusPriceFrom $652Free CancellationRating
7.1
1,192 reviews
Search Aer Lingus flights
DeltaPriceFrom $684Free CancellationRating
8.0
7,981 reviews
Search Delta flights
KLMPriceFrom $747Free CancellationRating
7.8
1,383 reviews
Search KLM flights
Virgin AtlanticPriceFrom $817Free CancellationRating
7.4
655 reviews
Search Virgin Atlantic flights

Traveling 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?

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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