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Cheap flights from California to Southampton from £304

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 16/11. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SOU
29 Aug — 5 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap 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 30 July 2026.

Sat 26/920:55
LAX
-
SOU
2 stops35h 55m
Multiple Airlines
Fri 16/1009:20
SOU
-
LAX
1 stop17h 05m
Multiple Airlines
Deal found 27/7£686
Mon 30/1113:50
SFO
-
SOU
1 stop19h 10m
Delta
Thu 17/1217:30
SOU
-
SFO
2 stops38h 27m
Delta
Deal found 25/7£756
Sun 29/1106:00
SFO
-
SOU
2 stops27h 00m
Delta
Thu 17/1217:30
SOU
-
SFO
2 stops38h 27m
Delta
Deal found 25/7£759
Mon 23/1111:34
LAX
-
SOU
2 stops21h 26m
Delta
Thu 26/1108:40
SOU
-
LAX
1 stop35h 05m
Delta
Deal found 25/7£761
Sun 6/913:45
SFO
-
SOU
1 stop34h 50m
Delta
Tue 15/917:20
SOU
-
SFO
1 stop26h 25m
Delta
Deal found 26/7£764
Sat 3/1006:45
LAX
-
SOU
3 stops28h 45m
Multiple Airlines
Sun 11/1009:20
SOU
-
LAX
1 stop17h 05m
Multiple Airlines
Deal found 27/7£766
Tue 25/806:13
SFO
-
SOU
2 stops18h 32m
Delta
Mon 7/917:20
SOU
-
SFO
1 stop26h 25m
Delta
Deal found 28/7£767
Mon 14/1206:00
SFO
-
SOU
2 stops18h 10m
Delta
Tue 12/108:40
SOU
-
SFO
1 stop35h 05m
Delta
Deal found 27/7£770
Sun 6/913:45
SFO
-
SOU
1 stop19h 05m
Delta
Wed 16/909:15
SOU
-
SFO
2 stops19h 17m
Delta
Deal found 26/7£772
Wed 16/907:00
SFO
-
SOU
2 stops17h 35m
Delta
Fri 2/1009:05
SOU
-
SFO
2 stops23h 29m
Delta
Deal found 28/7£775
Tue 15/1216:00
SFO
-
SOU
2 stops41h 00m
Delta
Mon 11/117:30
SOU
-
SFO
1 stop26h 15m
Delta
Deal found 27/7£779
Tue 15/1216:00
SFO
-
SOU
2 stops41h 00m
Delta
Tue 12/117:30
SOU
-
SFO
2 stops30h 32m
Delta
Deal found 27/7£782

Find flight deals from California to Southampton

Keep the following information in mind while searching for California to Southampton flight deals. Data was last updated 30 July 2026.

Round-trip from

£686

One-way from

£304

Popular in

June

Cheapest in

September

Average price

£788
Aer Lingus
  • Aer Lingus
  • 26/9-16/10
  • 3 total stops
  • 53h 00m total
  • California to Southampton
Search Deals
Delta
  • Delta
  • 16/11
  • 1 total stop
  • 19h 10m total
  • California to Southampton
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£132 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 30 July 2026.
Use the filters below to find and compare flights from California to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Wed 2/12

14:05-17:00

2 stops18h 55m

Southampton Eastleigh

Thu 17/12

17:30-23:57

2 stops38h 27m

£759

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Mon 14/12

06:00-08:10

2 stops18h 10m

Southampton Eastleigh

Tue 12/1

08:40-11:45

1 stop35h 05m

£770

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Wed 16/9

07:00-08:35

2 stops17h 35m

Southampton Eastleigh

Fri 2/10

09:05-23:51

2 stops22h 46m

£775

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Tue 15/12

16:00-17:00

2 stops41h 00m

Southampton Eastleigh

Mon 11/1

17:30-11:45

1 stop26h 15m

£779

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Wed 13/1

06:20-08:10

2 stops17h 50m

Southampton Eastleigh

Thu 28/1

08:40-20:25

2 stops19h 45m

£791

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Sun 10/1

07:00-08:10

2 stops17h 10m

Southampton Eastleigh

Fri 29/1

08:40-20:25

2 stops19h 45m

£791

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Mon 5/10

13:45-16:50

1 stop19h 05m

Southampton Eastleigh

Sun 18/10

17:20-11:45

1 stop26h 25m

£802

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Wed 30/12

06:00-08:10

2 stops18h 10m

Southampton Eastleigh

Sun 10/1

17:30-16:11

2 stops30h 41m

£805

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Mon 28/12

23:45-08:10

2 stops24h 25m

Southampton Eastleigh

Sun 10/1

17:30-16:11

2 stops30h 41m

£805

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Tue 29/12

06:30-08:10

2 stops17h 40m

Southampton Eastleigh

Thu 7/1

17:30-16:11

2 stops30h 41m

£808

Flights are sorted by cheapest return flights first.

Deals found on 28/7

Showing 1-10 of 60 resultsSorted by cheapest first
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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

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 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 55m. Fly via Delta or KLM to get the fastest option. The distance between California and Southampton is about 5349 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 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.

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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Fly with Cheapflights

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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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