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Cheap flights from California to Southampton from £184

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SOU
5 Sep — 12 Sep1
1 adult

Cheap flight deals from California to Southampton

Keep the following information in mind while searching for California to Southampton flight deals. Data was last updated 31 August 2025.

Round-trip from

£613

One-way from

£184

Popular in

December

Cheapest in

August

Average price

£455
KLM
  • KLM
  • 14/10-21/10
  • 4 total stops
  • 38h 58m total
  • California to Southampton
Search Deals
15/10
  • 15/10
  • 2 total stops
  • 28h 55m total
  • California to Southampton
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£50 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from California to Southampton

Cheapest flights from California to Southampton
Explore the most affordable flight options available from California to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 August 2025.

Sat 6/921:00SFO - SOU
2 stops27h 45mDelta
Mon 22/909:20SOU - SFO
1 stop34h 25mDelta
Deal found 30/8£606
Tue 14/1006:35SJC - SOU
2 stops18h 10mKLM
Tue 21/1009:20SOU - SJC
2 stops20h 48mKLM
Deal found 29/8£613
Sat 6/921:00SFO - SOU
2 stops27h 45mDelta
Wed 24/917:35SOU - SFO
2 stops24h 44mDelta
Deal found 30/8£614
Tue 30/913:50LAX - SOU
1 stop34h 55mKLM
Tue 7/1009:20SOU - LAX
1 stop13h 30mKLM
Deal found 31/8£624
Fri 10/1013:45SFO - SOU
1 stop19h 45mKLM
Wed 22/1017:35SOU - SFO
1 stop26h 10mKLM
Deal found 31/8£625
Tue 30/913:20LAX - SOU
2 stops19h 40mDelta
Tue 7/1009:20SOU - LAX
1 stop13h 30mDelta
Deal found 31/8£628
Mon 27/1014:45LAX - SOU
1 stop19h 15mDelta
Fri 7/1108:40SOU - LAX
2 stops20h 39mDelta
Deal found 30/8£631
Sun 14/913:55SAN - SOU
1 stop34h 50mDelta
Wed 1/1017:35SOU - SAN
1 stop26h 25mDelta
Deal found 30/8£631
Fri 5/907:05SFO - SOU
2 stops17h 40mDelta
Tue 23/909:20SOU - SFO
2 stops21h 05mDelta
Deal found 30/8£636
Sun 14/913:55SAN - SOU
1 stop34h 50mDelta
Thu 2/1009:20SOU - SAN
2 stops21h 39mDelta
Deal found 30/8£639
Wed 29/1005:55OAK - SOU
2 stops43h 10mDelta
Sun 2/1109:30SOU - OAK
2 stops58h 20mDelta
Deal found 29/8£639
Tue 16/900:45SFO - SOU
2 stops24h 00mDelta
Wed 24/917:35SOU - SFO
1 stop26h 10mDelta
Deal found 30/8£641

Cheapflights 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, Cheapflights users made 858,174 searches. Data last updated 31 August 2025.
Use the filters below to find and compare flights from California to Southampton that are best for you.

Fly from

California

Fly to

Southampton

Route

Depart

Return

Price

San JoseSouthampton

SJC - SOU

SJCSOU

San Jose

Tue 14/10

06:35-08:45

2 stops18h 10m

Southampton Eastleigh

Tue 21/10

09:20-22:08

2 stops20h 48m

£613

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Mon 13/10

13:50-17:00

1 stop19h 10m

Southampton Eastleigh

Mon 20/10

17:35-11:50

1 stop26h 15m

£623

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Tue 30/9

13:50-08:45

1 stop34h 55m

Southampton Eastleigh

Tue 7/10

09:20-14:50

1 stop13h 30m

£624

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Fri 10/10

13:45-17:30

1 stop19h 45m

Southampton Eastleigh

Wed 22/10

17:35-11:45

1 stop26h 10m

£625

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Tue 30/9

13:20-17:00

2 stops19h 40m

Southampton Eastleigh

Tue 7/10

09:20-14:50

1 stop13h 30m

£628

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Sun 18/1

13:45-17:00

1 stop19h 15m

Southampton Eastleigh

Tue 3/2

17:30-11:45

1 stop26h 15m

£629

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Sun 18/1

13:45-08:50

1 stop35h 05m

Southampton Eastleigh

Wed 4/2

17:30-11:45

1 stop26h 15m

£629

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Sun 18/1

13:45-08:50

1 stop35h 05m

Southampton Eastleigh

Mon 2/2

17:30-11:45

1 stop26h 15m

£629

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Mon 27/10

14:45-17:00

1 stop19h 15m

Southampton Eastleigh

Fri 7/11

08:40-21:19

2 stops20h 39m

£631

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Mon 1/12

13:45-08:10

1 stop34h 25m

Southampton Eastleigh

Tue 16/12

08:40-20:23

2 stops19h 43m

£631

Flights are sorted by cheapest return flights first.

Deals found on 29/8

Showing 1-10 of 43 results
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Best time to book a flight from California to Southampton

Have a flexible travel schedule? Discover the best time to fly to Southampton from California with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from California to Southampton

What is the cheapest month to book a flight from California to Southampton?

Currently, September is the cheapest month in which you can book a flight from California to Southampton (average of £203). Flying from California to Southampton in November is currently the most expensive (average of £262). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from California to Southampton?

Related info for your journey

Find useful and relevant information for your journey from California to Southampton. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Southampton from California?

    Most people fly into Southampton Eastleigh (SOU) if they book a flight to Southampton from California. Eastleigh is conveniently located just 3.5 mi from Southampton’s city center.

  • How long is the flight from California to Southampton?

    There are many flights that can get you from California to Southampton in 18h 10m. Fly via KLM or Delta to get the fastest option. The distance between California and Southampton is about 5350 mi. This flight may include one or multiple stops.

  • What are the most popular routes from California to Southampton?

    While some choose either San Francisco - Southampton Eastleigh or San Diego - Southampton Eastleigh, Los Angeles - Southampton Eastleigh is the most popular route from California to Southampton.

  • Can I find deals for flights from California to Southampton that include hotel bookings?

    Yes. In addition to deals on California to Southampton flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from California to Southampton?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from California to Southampton.

  • Can I find deals for business class flights from California to Southampton?

    Yes. Cheapflights offers flight deals from California to Southampton by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from California to Southampton?

    Currently, September is the cheapest month in which you can book a flight from California to Southampton (average of £203). Flying from California to Southampton in November is currently the most expensive (average of £262). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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How does Cheapflights help users find flights from California to Southampton?

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Can Cheapflights find flights from California to Southampton with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from California to Southampton, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from California to Southampton become cheaper?

Of course! You can now track prices for flights from California to Southampton and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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