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Cheap flights from California to Southampton from £375

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 6/12. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SOU
8 Dec — 15 Dec1
1 adult
1 adult, Economy, 0 bags

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 8 November 2025.

Round-trip from

£568

One-way from

£375

Popular in

December

Cheapest in

September

Average price

£582
KLM
  • KLM
  • 31/1-7/2
  • 2 total stops
  • 69h 25m total
  • California to Southampton
Search Deals
Delta
  • Delta
  • 6/12
  • 2 total stops
  • 24h 30m total
  • California to Southampton
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£58 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from California to Southampton

Enter your travel dates to find the best prices.

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 8 November 2025.

Sun 30/1113:55SFO - SOU
1 stop19h 30mDelta
Thu 11/1218:05SOU - SFO
1 stop25h 45mDelta
Deal found 7/11£576
Sun 30/1113:55SFO - SOU
1 stop19h 30mDelta
Mon 15/1218:05SOU - SFO
1 stop25h 45mDelta
Deal found 6/11£577
Tue 25/1107:05SFO - SOU
2 stops17h 05mDelta
Tue 2/1217:30SOU - SFO
1 stop26h 20mDelta
Deal found 7/11£580
Tue 25/1107:05SFO - SOU
2 stops17h 05mDelta
Fri 5/1208:40SOU - SFO
2 stops22h 25mDelta
Deal found 7/11£588
Tue 25/1105:45SFO - SOU
2 stops18h 25mDelta
Mon 1/1218:05SOU - SFO
2 stops47h 28mDelta
Deal found 7/11£592
Wed 26/1113:45LAX - SOU
1 stop19h 40mDelta
Wed 10/1217:30SOU - LAX
1 stop26h 15mDelta
Deal found 5/11£599
Thu 27/1113:55SFO - SOU
1 stop19h 05mDelta
Wed 3/1217:30SOU - SFO
1 stop26h 20mDelta
Deal found 7/11£599
Sat 29/1113:55SFO - SOU
1 stop34h 15mDelta
Mon 15/1208:40SOU - SFO
1 stop35h 10mDelta
Deal found 6/11£600
Wed 26/1107:40LAX - SOU
2 stops25h 45mDelta
Thu 11/1218:05SOU - LAX
1 stop25h 40mDelta
Deal found 5/11£603
Wed 26/1122:45SFO - SOU
2 stops34h 15mDelta
Tue 9/1217:30SOU - SFO
1 stop26h 20mDelta
Deal found 7/11£603
Wed 26/1113:45LAX - SOU
1 stop19h 40mDelta
Fri 12/1208:40SOU - LAX
2 stops20h 00mDelta
Deal found 5/11£607
Sun 30/1113:55SFO - SOU
1 stop19h 30mDelta
Sat 6/1217:30SOU - SFO
2 stops32h 10mDelta
Deal found 7/11£607

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 8 November 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

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Sat 31/1

13:45-08:50

1 stop35h 05m

Southampton Eastleigh

Sat 7/2

09:25-11:45

1 stop34h 20m

£568

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Mon 24/11

13:55-08:10

1 stop34h 15m

Southampton Eastleigh

Thu 4/12

18:05-11:50

1 stop25h 45m

£576

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Mon 1/12

13:55-17:00

1 stop19h 05m

Southampton Eastleigh

Tue 9/12

17:30-11:50

1 stop26h 20m

£576

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Thu 29/1

11:00-17:00

2 stops22h 00m

Southampton Eastleigh

Mon 9/2

09:25-00:05

2 stops22h 40m

£579

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Tue 25/11

06:00-17:00

2 stops27h 00m

Southampton Eastleigh

Mon 8/12

18:05-11:50

1 stop25h 45m

£580

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Tue 25/11

07:05-08:10

2 stops17h 05m

Southampton Eastleigh

Tue 2/12

17:30-11:50

1 stop26h 20m

£580

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Tue 25/11

07:05-08:10

2 stops17h 05m

Southampton Eastleigh

Tue 9/12

08:40-11:50

1 stop35h 10m

£580

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Tue 25/11

05:50-08:10

2 stops18h 20m

Southampton Eastleigh

Thu 11/12

18:05-11:50

1 stop25h 45m

£580

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Sun 30/11

13:55-17:25

1 stop19h 30m

Southampton Eastleigh

Thu 11/12

18:05-16:12

2 stops30h 07m

£584

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Wed 18/2

09:10-17:00

2 stops23h 50m

Southampton Eastleigh

Thu 5/3

18:05-11:50

1 stop25h 45m

£586

Flights are sorted by cheapest return flights first.

Deals found on 5/11

Showing 1-10 of 48 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, October is the cheapest month in which you can book a flight from California to Southampton (average of £191). Flying from California to Southampton in June is currently the most expensive (average of £429). 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.

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 34h 15m. Fly via KLM, Delta, or Virgin Atlantic to get the fastest option. The distance between California and Southampton is about 5349 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 Las Vegas Harry Reid Intl - 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, October is the cheapest month in which you can book a flight from California to Southampton (average of £191). Flying from California to Southampton in June is currently the most expensive (average of £429). 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

Browse thousands of different options on Cheapflights for your next trip

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

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Why should you use Cheapflights to find cheap flight tickets 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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