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Cheap flights from California to Southampton from £241

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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SOU
18 Feb — 25 Feb1
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 19 January 2026.

Round-trip from

£545

One-way from

£241

Popular in

December

Cheapest in

September

Average price

£551
3/3-10/3
  • 3/3-10/3
  • 3 total stops
  • 71h 00m total
  • California to Southampton
Search Deals
Delta
  • Delta
  • 4/7
  • 2 total stops
  • 27h 45m total
  • California to Southampton
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£62 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 January 2026
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 19 January 2026.

Tue 3/319:25
SFO
-
SOU
2 stops34h 10m
Multiple Airlines
Tue 10/315:20
SOU
-
SFO
1 stop36h 50m
Multiple Airlines
Deal found 17/1£545
Tue 3/313:45
LAX
-
SOU
1 stop34h 35m
KLM
Tue 10/317:35
SOU
-
LAX
1 stop26h 10m
KLM
Deal found 17/1£562
Tue 3/313:55
SFO
-
SOU
1 stop19h 05m
Virgin Atlantic
Tue 10/317:35
SOU
-
SFO
1 stop26h 15m
Virgin Atlantic
Deal found 17/1£566
Thu 26/213:45
LAX
-
SOU
1 stop19h 15m
Delta
Thu 19/308:50
SOU
-
LAX
2 stops20h 55m
Delta
Deal found 17/1£569
Tue 3/308:00
LAX
-
SOU
2 stops16h 20m
Delta
Sun 22/317:45
SOU
-
LAX
2 stops32h 08m
Delta
Deal found 17/1£572
Tue 3/309:43
BUR
-
SOU
2 stops23h 17m
Delta
Tue 10/317:35
SOU
-
BUR
2 stops35h 14m
Delta
Deal found 17/1£572
Tue 3/213:55
SFO
-
SOU
1 stop19h 10m
Delta
Tue 10/209:25
SOU
-
SFO
1 stop34h 25m
Delta
Deal found 18/1£577
Tue 3/309:43
BUR
-
SOU
2 stops38h 37m
Delta
Wed 25/308:50
SOU
-
BUR
2 stops35h 14m
Delta
Deal found 17/1£578
Wed 28/105:45
SFO
-
SOU
2 stops18h 40m
Delta
Tue 10/217:35
SOU
-
SFO
1 stop26h 15m
Delta
Deal found 18/1£580
Mon 2/316:50
BUR
-
SOU
2 stops40h 10m
Delta
Wed 25/308:50
SOU
-
BUR
2 stops35h 14m
Delta
Deal found 17/1£582
Tue 3/305:45
SFO
-
SOU
2 stops18h 35m
Delta
Tue 10/308:50
SOU
-
SFO
2 stops20h 46m
Delta
Deal found 17/1£587
Wed 4/311:45
SJC
-
SOU
2 stops21h 40m
Delta
Wed 11/308:50
SOU
-
SJC
2 stops18h 34m
Delta
Deal found 18/1£587

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 19 January 2026.
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

Wed 4/3

13:45-17:25

1 stop19h 40m

Southampton Eastleigh

Sun 22/3

17:45-19:56

2 stops33h 11m

£569

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Wed 4/3

13:45-17:25

1 stop19h 40m

Southampton Eastleigh

Mon 23/3

17:40-18:09

2 stops31h 29m

£569

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Thu 26/2

13:45-17:00

1 stop19h 15m

Southampton Eastleigh

Mon 23/3

17:40-20:15

2 stops33h 35m

£569

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Sat 28/2

13:45-08:20

1 stop34h 35m

Southampton Eastleigh

Thu 19/3

08:50-22:45

2 stops20h 55m

£569

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Sun 1/3

13:45-08:20

1 stop34h 35m

Southampton Eastleigh

Sun 22/3

17:45-22:20

2 stops35h 35m

£569

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Sat 28/2

13:45-08:20

1 stop34h 35m

Southampton Eastleigh

Sun 22/3

17:45-18:53

2 stops32h 08m

£569

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Thu 26/2

13:45-17:00

1 stop19h 15m

Southampton Eastleigh

Sun 22/3

17:45-20:04

2 stops33h 19m

£569

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Thu 26/2

13:45-17:00

1 stop19h 15m

Southampton Eastleigh

Thu 19/3

08:50-22:45

2 stops20h 55m

£569

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Fri 27/2

13:45-17:00

1 stop19h 15m

Southampton Eastleigh

Sun 22/3

17:45-18:53

2 stops32h 08m

£569

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Mon 2/3

13:45-17:00

1 stop19h 15m

Southampton Eastleigh

Mon 23/3

17:40-18:09

2 stops31h 29m

£569

Flights are sorted by cheapest return flights first.

Deals found on 18/1

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 £166). Flying from California to Southampton in June is currently the most expensive (average of £421). 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 19h 40m. Fly via Delta, KLM, or Aer Lingus to get the fastest option. The distance between California and Southampton is about 5434 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 Burbank Bob Hope - 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 £166). Flying from California to Southampton in June is currently the most expensive (average of £421). 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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Alternative routes for California to Southampton

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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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