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Cheap flights from California to Southampton from £322

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — SOU
29 Apr — 6 May1
1 adult

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 24 April 2025.

Round-trip from

£604

One-way from

£322

Popular in

December

Cheapest in

October

Average price

£505
Delta
  • Delta
  • 5/5-12/5
  • 2 total stops
  • 61h 10m total
  • California to Southampton
Search Deals
3/5
  • 3/5
  • 3 total stops
  • 41h 20m total
  • California to Southampton
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£28 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from California to Southampton

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 24 April 2025.

Tue 29/413:45SFO - SOU
1 stop19h 15mDelta
Wed 7/517:35SOU - SFO
1 stop26h 10mDelta
Deal found 23/4£604
Mon 29/1213:45LAX - SOU
1 stop19h 05mDelta
Tue 13/109:00SOU - LAX
1 stop34h 45mDelta
Deal found 23/4£626
Thu 4/913:45SFO - SOU
1 stop19h 15mKLM
Sun 14/909:20SOU - SFO
1 stop34h 25mKLM
Deal found 24/4£723
Fri 29/816:50LAX - SOU
1 stop31h 55mKLM
Tue 16/917:35SOU - LAX
1 stop29h 15mKLM
Deal found 23/4£727
Tue 14/1017:45SFO - SOU
1 stop17h 45mAer Lingus
Tue 28/1009:30SOU - SFO
1 stop14h 00mAer Lingus
Deal found 23/4£760
Tue 16/1206:20SAN - SOU
2 stops18h 05mDelta
Fri 9/109:00SOU - SAN
2 stops21h 40mDelta
Deal found 23/4£768
Sun 6/713:55SAN - SOU
1 stop34h 55mKLM
Mon 21/718:25SOU - SAN
1 stop25h 35mKLM
Deal found 24/4£848
Thu 28/800:57LAX - SOU
2 stops47h 38mAer Lingus
Tue 16/909:10SOU - LAX
1 stop17h 15mAer Lingus
Deal found 23/4£864
Sat 7/607:30LAX - SOU
3 stops41h 15mMultiple Airlines
Sat 14/609:20SOU - LAX
3 stops35h 45mMultiple Airlines
Deal found 23/4£876
Sun 6/722:45SAN - SOU
2 stops25h 55mAer Lingus
Mon 21/720:00SOU - SAN
2 stops35h 25mAer Lingus
Deal found 23/4£907
Sat 19/722:43SFO - SOU
2 stops26h 27mMultiple Airlines
Fri 1/809:40SOU - SFO
2 stops31h 38mMultiple Airlines
Deal found 23/4£919
Tue 15/706:30SJC - SOU
2 stops18h 15mDelta
Sun 3/809:20SOU - SJC
2 stops20h 31mDelta
Deal found 23/4£954

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 24 April 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 FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Mon 5/5

13:45-08:45

1 stop35h 00m

Southampton Eastleigh

Mon 12/5

17:35-11:45

1 stop26h 10m

£604

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Wed 7/5

16:50-17:00

1 stop16h 10m

Southampton Eastleigh

Mon 12/5

17:35-14:50

1 stop29h 15m

£701

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Thu 4/9

13:45-17:00

1 stop19h 15m

Southampton Eastleigh

Sun 14/9

09:20-11:45

1 stop34h 25m

£723

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Fri 29/8

16:50-08:45

1 stop31h 55m

Southampton Eastleigh

Tue 16/9

17:35-14:50

1 stop29h 15m

£727

San FranciscoSouthampton

SFO - SOU

SFOSOU

San Francisco

Tue 14/10

17:45-19:30

1 stop17h 45m

Southampton Eastleigh

Tue 28/10

09:30-16:30

1 stop14h 00m

£760

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Sun 6/7

13:55-08:50

1 stop34h 55m

Southampton Eastleigh

Mon 21/7

18:25-12:00

1 stop25h 35m

£848

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Thu 28/8

00:57-08:35

2 stops47h 38m

Southampton Eastleigh

Tue 16/9

09:10-18:25

1 stop17h 15m

£864

Los AngelesSouthampton

LAX - SOU

LAXSOU

Los Angeles

Sat 7/6

07:30-08:45

3 stops41h 15m

Southampton Eastleigh

Sat 14/6

09:20-13:05

3 stops35h 45m

£876

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Sun 6/7

22:45-08:40

2 stops25h 55m

Southampton Eastleigh

Mon 21/7

20:00-23:25

2 stops35h 25m

£907

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Sun 3/8

13:55-17:50

1 stop19h 55m

Southampton Eastleigh

Sat 9/8

09:20-12:00

1 stop34h 40m

£912

Flights are sorted by cheapest return flights first.

Deals found on 24/4

Showing 1-10 of 30 results
1
2
3

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, September is the cheapest month in which you can book a flight from California to Southampton (average of £203). Flying from California to Southampton in November is currently the most expensive (average of £262). 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.

Rainfall in Southampton by month

Plan your trip to Southampton by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Southampton ranges from 25.0 - 76.0 inches per month. December is typically the wettest month, when rainfall can reach 76.0 mm. July is typically the driest time to visit Southampton when rainfall is around 25.0 mm.

Temperature in Southampton by month

Plan your trip to Southampton by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Southampton, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 18.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Southampton

Get insights into the airlines that provide service to Southampton. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Southampton. Reviews last updated 24 April 2025.
Read reviews from past customers who have flown Delta, KLM and Virgin Atlantic from California to Southampton. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,920 reviews
Check prices

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very Good
7,920 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Virgin Atlantic
7.4
Good
642 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Aer Lingus
7.0
Good
1,068 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
British Airways
6.6
Okay
6,805 reviews
Delta
8.0
Very Good
7,920 reviews
Check prices

Crew

8.5

Food

7.3

Boarding

8.2

Overall

8.0

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the cheapest airlines to fly from California to Southampton one-way?

    One-way options have recently been found by users for as low as £371 on Aer Lingus. Other airlines that offer cheap prices include Delta from £374 and KLM from £387 one-way.

  • 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.

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

    Currently, September is the cheapest month in which you can book a flight from California to Southampton (average of £203). Flying from California to Southampton in November is currently the most expensive (average of £262). 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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