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Cheap flights from California to Southampton from £332

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 28/10. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SOU
15 Oct — 22 Oct1
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 15 September 2025.

Round-trip from

£543

One-way from

£332

Popular in

December

Cheapest in

September

Average price

£445
Delta
  • Delta
  • 5/11-10/11
  • 2 total stops
  • 60h 00m total
  • California to Southampton
Search Deals
28/10
  • 28/10
  • 3 total stops
  • 37h 54m total
  • California to Southampton
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£54 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 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 15 September 2025.

Wed 5/1113:45LAX - SOU
1 stop34h 20mDelta
Mon 10/1118:05SOU - LAX
1 stop25h 40mDelta
Deal found 14/9£543
Tue 23/913:45SFO - SOU
1 stop19h 15mDelta
Wed 8/1017:35SOU - SFO
1 stop26h 10mDelta
Deal found 13/9£543
Wed 5/1105:45LAX - SOU
2 stops27h 40mDelta
Wed 12/1108:40SOU - LAX
1 stop35h 05mDelta
Deal found 14/9£546
Wed 29/1007:15SFO - SOU
2 stops18h 05mKLM
Wed 5/1117:30SOU - SFO
1 stop26h 20mKLM
Deal found 14/9£546
Tue 11/1113:45LAX - SOU
1 stop19h 15mDelta
Thu 20/1118:05SOU - LAX
2 stops30h 49mDelta
Deal found 14/9£550
Wed 15/1013:45SFO - SOU
1 stop19h 15mDelta
Tue 21/1009:20SOU - SFO
2 stops18h 10mDelta
Deal found 15/9£550
Mon 27/1011:43LAX - SOU
2 stops22h 17mDelta
Fri 7/1108:40SOU - LAX
2 stops20h 10mDelta
Deal found 15/9£553
Wed 29/1006:35SJC - SOU
2 stops18h 45mDelta
Wed 5/1108:40SOU - SJC
2 stops22h 18mDelta
Deal found 14/9£553
Tue 28/1012:40BUR - SOU
2 stops36h 40mKLM
Tue 4/1117:30SOU - BUR
2 stops30h 45mKLM
Deal found 13/9£553
Tue 14/1010:40SFO - SOU
2 stops22h 20mDelta
Wed 22/1009:20SOU - SFO
2 stops18h 10mDelta
Deal found 15/9£581
Thu 25/913:45SFO - SOU
1 stop35h 00mDelta
Mon 6/1017:35SOU - SFO
1 stop26h 10mDelta
Deal found 13/9£593
Tue 23/905:55SFO - SOU
2 stops27h 05mDelta
Tue 7/1017:35SOU - SFO
1 stop26h 10mDelta
Deal found 13/9£602

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 15 September 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

Tue 11/11

13:45-17:00

1 stop19h 15m

Southampton Eastleigh

Tue 25/11

17:30-11:45

1 stop26h 15m

£543

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Wed 5/11

13:45-08:05

1 stop34h 20m

Southampton Eastleigh

Mon 10/11

18:05-11:45

1 stop25h 40m

£543

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Wed 5/11

13:45-17:25

1 stop19h 40m

Southampton Eastleigh

Wed 12/11

17:30-11:45

1 stop26h 15m

£543

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Tue 11/11

13:45-17:00

1 stop19h 15m

Southampton Eastleigh

Mon 24/11

08:40-11:45

1 stop35h 05m

£543

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Wed 5/11

13:45-17:25

1 stop19h 40m

Southampton Eastleigh

Tue 11/11

17:30-11:45

1 stop26h 15m

£543

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Tue 14/10

13:45-17:00

1 stop19h 15m

Southampton Eastleigh

Thu 23/10

17:35-11:45

1 stop26h 10m

£543

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Sun 28/9

13:45-08:45

1 stop35h 00m

Southampton Eastleigh

Wed 8/10

17:35-11:45

1 stop26h 10m

£543

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Sun 28/9

13:45-08:45

1 stop35h 00m

Southampton Eastleigh

Tue 7/10

17:35-11:45

1 stop26h 10m

£543

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Mon 29/9

13:45-17:00

1 stop19h 15m

Southampton Eastleigh

Tue 7/10

17:35-11:45

1 stop26h 10m

£543

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Mon 29/9

13:45-17:00

1 stop19h 15m

Southampton Eastleigh

Wed 8/10

17:35-11:45

1 stop26h 10m

£543

Flights are sorted by cheapest return flights first.

Deals found on 13/9

Showing 1-10 of 45 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.

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 05m. Fly via Delta, Aer Lingus, or Virgin Atlantic to get the fastest option. The distance between California and Southampton is about 5206 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from California to Southampton one-way?

    One-way options have recently been found by users for as low as £335 on Aer Lingus. Other airlines that offer cheap prices include Delta from £364 and KLM from £368 one-way.

  • 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

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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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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