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Cheap flights from California to Southampton from £278

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 15/11. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SOU
16 Nov — 23 Nov1
1 adult
1 adult, Economy

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 17 October 2025.

Round-trip from

£573

One-way from

£278

Popular in

December

Cheapest in

September

Average price

£458
Delta
  • Delta
  • 1/3-19/3
  • 2 total stops
  • 44h 50m total
  • California to Southampton
Search Deals
15/11
  • 15/11
  • 3 total stops
  • 50h 19m 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. 4% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 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 17 October 2025.

Sat 29/1113:45LAX - SOU
1 stop34h 25mDelta
Fri 12/1217:30SOU - LAX
1 stop26h 15mDelta
Deal found 16/10£588
Thu 13/1113:55SFO - SOU
1 stop19h 05mDelta
Wed 19/1117:30SOU - SFO
1 stop26h 20mDelta
Deal found 14/10£590
Tue 25/1114:16LAX - SOU
2 stops18h 44mDelta
Tue 9/1217:30SOU - LAX
1 stop26h 15mDelta
Deal found 16/10£591
Wed 12/1100:30SFO - SOU
2 stops32h 30mDelta
Thu 20/1118:05SOU - SFO
1 stop25h 45mDelta
Deal found 14/10£593
Tue 25/1113:45LAX - SOU
1 stop19h 15mDelta
Thu 11/1208:50SOU - LAX
2 stops20h 34mDelta
Deal found 15/10£596
Thu 13/1113:55SFO - SOU
1 stop19h 05mDelta
Thu 27/1108:50SOU - SFO
2 stops17h 19mDelta
Deal found 14/10£597
Sun 14/1213:55SFO - SOU
1 stop34h 15mDelta
Tue 23/1208:40SOU - SFO
1 stop35h 10mDelta
Deal found 16/10£598
Tue 4/1108:00LAX - SOU
2 stops16h 10mKLM
Thu 27/1108:50SOU - LAX
2 stops18h 23mKLM
Deal found 16/10£599
Sun 30/1106:15LAS - SOU
2 stops17h 55mDelta
Sun 7/1209:30SOU - LAS
2 stops22h 57mDelta
Deal found 16/10£599
Wed 3/1213:45LAX - SOU
1 stop34h 20mDelta
Sat 13/1209:25SOU - LAX
2 stops55h 39mDelta
Deal found 16/10£600
Thu 13/1113:55SFO - SOU
1 stop19h 05mDelta
Sat 22/1117:30SOU - SFO
1 stop26h 20mDelta
Deal found 14/10£611
Fri 5/1213:45LAX - SOU
1 stop19h 15mDelta
Tue 16/1208:40SOU - LAX
2 stops21h 01mDelta
Deal found 15/10£614

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 17 October 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 FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Tue 3/3

22:45-17:25

2 stops34h 40m

Southampton Eastleigh

Mon 16/3

08:50-12:50

1 stop35h 00m

£576

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Wed 18/2

06:15-08:25

2 stops18h 10m

Southampton Eastleigh

Mon 23/2

17:30-11:50

1 stop26h 20m

£576

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Sun 1/3

13:55-17:00

1 stop19h 05m

Southampton Eastleigh

Wed 18/3

08:40-21:46

2 stops20h 06m

£580

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Wed 4/3

11:05-17:25

2 stops22h 20m

Southampton Eastleigh

Wed 18/3

08:40-21:46

2 stops20h 06m

£583

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Thu 27/11

13:45-08:50

1 stop35h 05m

Southampton Eastleigh

Mon 8/12

18:05-11:45

1 stop25h 40m

£588

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Sat 29/11

13:45-08:10

1 stop34h 25m

Southampton Eastleigh

Tue 9/12

17:30-11:45

1 stop26h 15m

£588

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Thu 27/11

13:45-17:00

1 stop19h 15m

Southampton Eastleigh

Tue 9/12

17:30-11:45

1 stop26h 15m

£588

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Sat 6/12

13:45-08:10

1 stop34h 25m

Southampton Eastleigh

Mon 15/12

18:05-11:45

1 stop25h 40m

£588

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Thu 27/11

13:45-17:00

1 stop19h 15m

Southampton Eastleigh

Fri 12/12

17:30-11:45

1 stop26h 15m

£588

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Thu 13/11

13:55-17:00

1 stop19h 05m

Southampton Eastleigh

Wed 19/11

17:30-11:50

1 stop26h 20m

£590

Flights are sorted by cheapest return flights first.

Deals found on 16/10

Showing 1-10 of 46 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 £182). Flying from California to Southampton in June is currently the most expensive (average of £420). 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 21h 20m. Fly via Delta, Virgin Atlantic, or KLM 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 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 £182). Flying from California to Southampton in June is currently the most expensive (average of £420). 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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