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Cheap flights from Southampton to California from £439

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 23/9. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — LAX
26 Apr — 3 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Southampton to California

Enter your travel dates to find the best prices.

Cheapest flights from Southampton to California
Explore the most affordable flight options available from Southampton to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 March 2026.

Tue 22/909:15
SOU
-
LAX
1 stop17h 10m
British Airways
Tue 13/1020:10
LAX
-
SOU
1 stop15h 20m
British Airways
Deal found 24/3£614
Mon 11/509:20
SOU
-
LAX
1 stop17h 05m
Multiple Airlines
Mon 18/520:10
LAX
-
SOU
1 stop15h 20m
Multiple Airlines
Deal found 26/3£617
Wed 29/409:20
SOU
-
LAX
1 stop17h 05m
British Airways
Tue 5/520:10
LAX
-
SOU
1 stop15h 20m
British Airways
Deal found 23/3£620
Wed 2/909:20
SOU
-
LAX
1 stop17h 05m
British Airways
Wed 16/920:10
LAX
-
SOU
1 stop15h 20m
British Airways
Deal found 25/3£622
Sun 11/1020:00
SOU
-
LAX
1 stop30h 25m
British Airways
Tue 20/1020:10
LAX
-
SOU
1 stop15h 20m
British Airways
Deal found 27/3£626
Wed 25/1109:20
SOU
-
LAX
1 stop17h 10m
British Airways
Mon 30/1120:15
LAX
-
SOU
1 stop15h 15m
British Airways
Deal found 27/3£626
Wed 2/909:20
SOU
-
LAX
1 stop17h 05m
British Airways
Mon 14/920:10
LAX
-
SOU
1 stop15h 20m
British Airways
Deal found 25/3£629
Tue 1/920:00
SOU
-
LAX
1 stop30h 25m
British Airways
Wed 16/920:10
LAX
-
SOU
1 stop15h 20m
British Airways
Deal found 25/3£631
Sun 10/509:20
SOU
-
SFO
1 stop14h 35m
Aer Lingus
Sun 17/517:40
SFO
-
SOU
1 stop15h 10m
Aer Lingus
Deal found 25/3£658
Thu 7/509:20
SOU
-
SFO
1 stop14h 30m
British Airways
Mon 11/517:35
SFO
-
SOU
1 stop17h 55m
British Airways
Deal found 26/3£672
Thu 7/509:05
SOU
-
SFO
1 stop34h 40m
KLM
Thu 14/513:45
SFO
-
SOU
1 stop35h 00m
KLM
Deal found 23/3£673
Sun 10/517:20
SOU
-
SFO
1 stop30h 30m
Multiple Airlines
Sun 17/517:40
SFO
-
SOU
1 stop15h 10m
Multiple Airlines
Deal found 26/3£677

Find flight deals from Southampton to California

Keep the following information in mind while searching for Southampton to California flight deals. Data was last updated 27 March 2026.

Round-trip from

£614

One-way from

£439

Popular in

December

Cheapest in

September

Average price

£462
British Airways
  • British Airways
  • 22/9-13/10
  • 2 total stops
  • 32h 30m total
  • Southampton to California
Search Deals
British Airways
  • British Airways
  • 23/9
  • 1 total stop
  • 14h 35m total
  • Southampton to California
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£25 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Southampton to California 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 27 March 2026.
Use the filters below to find and compare flights from Southampton to California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Tue 1/9

20:00-18:25

1 stop30h 25m

Los Angeles

Wed 16/9

20:10-19:30

1 stop15h 20m

£631

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Mon 11/5

20:00-22:00

2 stops34h 00m

Los Angeles

Mon 18/5

09:00-19:30

2 stops26h 30m

£632

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Sat 5/9

09:20-18:25

1 stop17h 05m

Los Angeles

Mon 14/9

20:10-19:30

1 stop15h 20m

£660

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Fri 4/9

09:20-18:25

1 stop17h 05m

Los Angeles

Thu 17/9

20:10-08:40

1 stop28h 30m

£662

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Sun 6/9

20:00-18:25

1 stop30h 25m

Los Angeles

Sat 19/9

20:10-08:40

1 stop28h 30m

£670

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Thu 7/5

09:20-15:50

1 stop14h 30m

San Francisco

Mon 11/5

17:35-19:30

1 stop17h 55m

£672

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Sat 12/9

09:20-18:25

1 stop17h 05m

Los Angeles

Tue 15/9

20:10-19:30

1 stop15h 20m

£679

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Fri 24/4

20:00-15:55

1 stop27h 55m

San Francisco

Mon 27/4

17:35-19:30

1 stop17h 55m

£684

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Sat 12/9

09:20-18:25

1 stop17h 05m

Los Angeles

Thu 17/9

20:10-08:40

1 stop28h 30m

£691

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Mon 7/9

17:20-11:50

1 stop26h 30m

Los Angeles

Mon 14/9

09:35-16:50

2 stops23h 15m

£697

Flights are sorted by cheapest return flights first.

Deals found on 23/3

Showing 1-10 of 43 resultsSorted by cheapest first
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Best time to book a flight from Southampton to California

Have a flexible travel schedule? Discover the best time to fly to California from Southampton 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 Southampton to California

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

Currently, September is the cheapest month in which you can book a flight from Southampton to California (average of £240). Flying from Southampton to California in July is currently the most expensive (average of £389). 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 Southampton to California?

Related info for your journey

Find useful and relevant information for your journey from Southampton to California. 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 from for flights from Southampton to California?

    Southampton Eastleigh (SOU) is the airport you will fly out of if you book a flight from Southampton to California. It is only a 3.5 mi journey to Eastleigh (SOU) from Southampton’s city center.

  • How long is the flight from Southampton to California?

    Departing from Southampton to California will take you 17h 10m. There are 5434 mi between Southampton and California. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    When deciding which route to take from Southampton to California consider Southampton Eastleigh - Los Angeles, Southampton Eastleigh - Las Vegas Harry Reid Intl or Southampton Eastleigh - San Francisco as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Southampton to California 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 Southampton to California?

    Currently, September is the cheapest month in which you can book a flight from Southampton to California (average of £240). Flying from Southampton to California in July is currently the most expensive (average of £389). 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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Alternative routes for Southampton to California

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights helps you search for flights from Southampton to California via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Southampton to California?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Southampton to California for you. Better yet — we are completely free to use.

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

Yes, we can. To see specific flights from Southampton to California with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to California from Southampton today and book when prices fit your budget.

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