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Cheap flights from Southampton to California from £329

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 29/9. Fares are subject to change and may not be available on all flights or dates of travel.
SOU — LAX
1 Sep — 8 Sep1
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 2 August 2026.

Sun 13/920:00
SOU
-
LAX
2 stops28h 05m
Aer Lingus
Sun 20/917:50
LAX
-
SOU
2 stops30h 50m
Aer Lingus
Deal found 30/7£489
Wed 9/909:20
SOU
-
SFO
1 stop14h 35m
Aer Lingus
Wed 16/917:40
SFO
-
SOU
1 stop15h 10m
Aer Lingus
Deal found 29/7£520
Thu 10/909:20
SOU
-
LAX
1 stop17h 05m
Aer Lingus
Thu 17/920:10
LAX
-
SOU
1 stop15h 20m
Aer Lingus
Deal found 30/7£546
Mon 7/909:20
SOU
-
LAX
1 stop17h 05m
Aer Lingus
Mon 14/920:10
LAX
-
SOU
1 stop15h 20m
Aer Lingus
Deal found 29/7£547
Fri 11/909:20
SOU
-
SFO
1 stop14h 30m
Aer Lingus
Tue 15/917:40
SFO
-
SOU
1 stop15h 10m
Aer Lingus
Deal found 28/7£569
Wed 2/909:15
SOU
-
LAX
1 stop13h 30m
Delta
Sat 7/1112:00
LAX
-
SOU
2 stops21h 00m
Delta
Deal found 30/7£595
Thu 17/1208:40
SOU
-
LAX
2 stops18h 36m
KLM
Wed 3/207:00
LAX
-
SOU
2 stops17h 10m
KLM
Deal found 29/7£621
Wed 16/1208:40
SOU
-
LAX
2 stops20h 49m
KLM
Fri 5/214:15
LAX
-
SOU
2 stops18h 45m
KLM
Deal found 29/7£624
Fri 11/909:05
SOU
-
SFO
2 stops19h 27m
Delta
Tue 15/913:45
SFO
-
SOU
1 stop19h 05m
Delta
Deal found 28/7£635
Tue 15/917:20
SOU
-
SFO
1 stop26h 25m
Delta
Sun 27/913:45
SFO
-
SOU
1 stop19h 05m
Delta
Deal found 31/7£675
Fri 18/909:05
SOU
-
SFO
2 stops19h 27m
Delta
Wed 30/916:05
SFO
-
SOU
2 stops32h 30m
Delta
Deal found 31/7£678
Wed 9/917:20
SOU
-
LAS
1 stop33h 15m
KLM
Wed 16/923:38
LAS
-
SOU
2 stops24h 57m
KLM
Deal found 29/7£684

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 2 August 2026.

Round-trip from

£489

One-way from

£329

Popular in

December

Cheapest in

February

Average price

£526
Aer Lingus
  • Aer Lingus
  • 13/9-20/9
  • 4 total stops
  • 58h 55m total
  • Southampton to California
Search Deals
Aer Lingus
  • Aer Lingus
  • 29/9
  • 2 total stops
  • 28h 05m total
  • Southampton to California
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£10 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 2 August 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
Fastest return journey

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Fri 11/9

09:20-15:50

1 stop14h 30m

San Francisco

Tue 15/9

17:40-16:50

1 stop15h 10m

£569

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Wed 9/9

20:00-16:20

2 stops28h 20m

San Francisco

Wed 16/9

11:50-19:30

2 stops23h 40m

£574

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Fri 11/9

09:05-23:53

2 stops22h 48m

San Francisco

Tue 15/9

15:16-16:50

2 stops17h 34m

£635

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Wed 16/12

08:40-21:25

2 stops20h 45m

Los Angeles Los Angeles

Sat 6/2

09:59-17:00

2 stops23h 01m

£650

SouthamptonLos Angeles

SOU - LAX

SOULAX

Southampton Eastleigh

Wed 16/12

08:40-21:25

2 stops20h 45m

Los Angeles Los Angeles

Tue 2/2

21:59-08:10

2 stops26h 11m

£650

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Wed 6/1

17:30-11:45

1 stop26h 15m

San Francisco

Thu 18/3

14:50-17:00

1 stop19h 10m

£681

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Tue 5/1

17:30-11:45

1 stop26h 15m

San Francisco

Tue 16/3

07:00-08:10

2 stops18h 10m

£681

SouthamptonLas Vegas

SOU - LAS

SOULAS

Southampton Eastleigh

Wed 9/9

17:20-18:35

1 stop33h 15m

Las Vegas Harry Reid Intl

Wed 16/9

23:38-08:35

2 stops24h 57m

£684

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Sun 10/1

17:30-16:02

2 stops30h 32m

San Francisco

Tue 16/3

11:35-17:00

2 stops22h 25m

£685

SouthamptonSan Francisco

SOU - SFO

SOUSFO

Southampton Eastleigh

Thu 7/1

08:40-20:25

2 stops19h 45m

San Francisco

Wed 17/3

22:45-17:00

2 stops35h 15m

£685

Flights are sorted by cheapest return flights first.

Deals found on 29/7

Showing 1-10 of 49 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

No data available for this route at this time. Please check back soon.

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 14h 30m. There are 5349 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 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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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