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Cheap flights from California to Southampton from £257

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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SOU
28 Jan — 4 Feb1
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 29 December 2025.

Mon 29/1206:00SJC - SOU
2 stops21h 55mMultiple Airlines
Mon 5/120:10SOU - SJC
2 stops33h 19mMultiple Airlines
Deal found 28/12£1,225
Sun 28/1219:20SFO - SOU
2 stops37h 40mDelta
Sun 4/118:05SOU - SFO
2 stops34h 30mDelta
Deal found 26/12£1,312
Mon 29/1206:00SFO - SOU
2 stops21h 55mAer Lingus
Mon 5/116:05SOU - SFO
1 stop31h 30mAer Lingus
Deal found 28/12£1,315
Sat 27/1219:20SFO - SOU
2 stops38h 05mDelta
Sun 4/118:05SOU - SFO
2 stops34h 30mDelta
Deal found 26/12£1,343
Sun 28/1213:55SFO - SOU
1 stop19h 30mDelta
Fri 2/108:40SOU - SFO
2 stops20h 55mDelta
Deal found 26/12£1,536
Sat 27/1213:55SFO - SOU
1 stop19h 30mDelta
Fri 2/108:40SOU - SFO
2 stops20h 55mDelta
Deal found 26/12£1,581
Mon 29/1213:55SFO - SOU
1 stop19h 05mDelta
Fri 2/108:40SOU - SFO
2 stops20h 55mDelta
Deal found 27/12£1,756
Mon 29/1213:45LAX - SOU
1 stop19h 15mDelta
Fri 2/108:40SOU - LAX
2 stops21h 31mDelta
Deal found 27/12£2,466
Sun 28/1220:15LAX - SOU
1 stop31h 40mBritish Airways
Fri 2/119:55SOU - LAX
2 stops32h 30mBritish Airways
Deal found 27/12£3,357
Sun 28/1215:30LAX - SOU
2 stops16h 50mBritish Airways
Sat 3/109:45SOU - LAX
2 stops18h 40mBritish Airways
Deal found 27/12£4,543

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 29 December 2025.

Round-trip from

£558

One-way from

£257

Popular in

December

Cheapest in

September

Average price

£797
Delta
  • Delta
  • 15/2-23/2
  • 3 total stops
  • 51h 30m total
  • California to Southampton
Search Deals
Delta
  • Delta
  • 2/4
  • 2 total stops
  • 18h 35m 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 (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 29 December 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

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Sun 15/2

08:00-17:05

2 stops25h 05m

Southampton Eastleigh

Mon 23/2

17:40-12:05

1 stop26h 25m

£558

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Sat 14/2

11:48-17:15

2 stops21h 27m

Southampton Eastleigh

Mon 23/2

17:40-12:05

1 stop26h 25m

£558

BurbankSouthampton

BUR - SOU

BURSOU

Burbank Bob Hope

Tue 10/2

07:05-08:25

2 stops41h 20m

Southampton Eastleigh

Tue 17/2

09:25-16:05

2 stops38h 40m

£566

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Tue 21/4

16:45-16:50

1 stop16h 05m

Southampton Eastleigh

Wed 29/4

09:05-14:45

1 stop13h 40m

£566

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Wed 22/4

16:45-16:50

1 stop16h 05m

Southampton Eastleigh

Mon 27/4

17:20-11:50

1 stop26h 30m

£566

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Wed 15/4

16:45-16:50

1 stop16h 05m

Southampton Eastleigh

Wed 29/4

09:05-14:45

1 stop13h 40m

£566

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Mon 20/4

13:50-16:50

1 stop19h 00m

Southampton Eastleigh

Mon 4/5

17:20-11:50

1 stop26h 30m

£566

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Tue 21/4

16:45-16:50

1 stop16h 05m

Southampton Eastleigh

Mon 27/4

17:20-14:45

1 stop29h 25m

£566

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Tue 21/4

13:50-16:50

1 stop19h 00m

Southampton Eastleigh

Tue 5/5

17:20-11:50

1 stop26h 30m

£566

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Mon 20/4

16:45-16:50

1 stop16h 05m

Southampton Eastleigh

Tue 5/5

17:20-11:50

1 stop26h 30m

£566

Flights are sorted by cheapest return flights first.

Deals found on 27/12

Showing 1-10 of 46 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 £167). Flying from California to Southampton in June is currently the most expensive (average of £412). 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 16h 05m. Fly via Delta, KLM, or Aer Lingus 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 most popular routes from California to Southampton?

    While some choose either San Francisco - Southampton Eastleigh or Las Vegas Harry Reid Intl - 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 £167). Flying from California to Southampton in June is currently the most expensive (average of £412). 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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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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