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Cheap flights from San Diego to Southampton from £786

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SOU
30 Aug — 6 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from San Diego to Southampton

Enter your travel dates to find the best prices.

Cheapest flights from San Diego to Southampton
Explore the most affordable flight options available from San Diego to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 July 2026.

Mon 14/912:50
SAN
-
SOU
2 stops20h 00m
Delta
Mon 21/917:20
SOU
-
SAN
1 stop26h 30m
Delta
Deal found 31/7£815
Mon 28/913:38
SAN
-
SOU
2 stops19h 12m
KLM
Tue 13/1009:05
SOU
-
SAN
2 stops21h 46m
KLM
Deal found 30/7£822
Mon 28/906:20
SAN
-
SOU
2 stops18h 15m
Delta
Tue 13/1009:05
SOU
-
SAN
2 stops18h 09m
Delta
Deal found 29/7£823
Wed 19/815:51
SAN
-
SOU
2 stops17h 44m
KLM
Sat 29/809:15
SOU
-
SAN
2 stops19h 01m
KLM
Deal found 27/7£927
Mon 28/917:00
SAN
-
SOU
3 stops19h 45m
Multiple Airlines
Tue 13/1009:15
SOU
-
SAN
2 stops17h 47m
Multiple Airlines
Deal found 31/7£1,027
Mon 14/917:00
SAN
-
SOU
3 stops19h 45m
Multiple Airlines
Mon 21/909:20
SOU
-
SAN
2 stops17h 31m
Multiple Airlines
Deal found 31/7£1,060
Tue 3/1118:00
SAN
-
SOU
2 stops18h 45m
British Airways
Tue 17/1119:55
SOU
-
SAN
2 stops28h 15m
British Airways
Deal found 28/7£4,780
Sat 22/819:40
SAN
-
SOU
2 stops28h 45m
British Airways
Mon 7/918:25
SOU
-
SAN
2 stops28h 30m
British Airways
Deal found 30/7£4,789
Sat 26/916:45
SAN
-
SOU
2 stops19h 35m
British Airways
Fri 2/1006:45
SOU
-
SAN
2 stops19h 05m
British Airways
Deal found 31/7£15,239

Find flight deals from San Diego to Southampton

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Southampton (SOU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 31 July 2026.

Round-trip from

£775

One-way from

£401

Popular in

June

Cheapest in

February

Average price

£933
Delta
  • Delta
  • 12/1-27/1
  • 2 total stops
  • 60h 45m total
  • San Diego to Southampton
Search Deals
Delta
  • Delta
  • 14/9
  • 2 total stops
  • 26h 25m total
  • San Diego to Southampton
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£182 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£24 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 San Diego 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 31 July 2026.
Use the filters below to find and compare flights from San Diego to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

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

£786

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

£786

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Mon 14/9

12:50-16:50

2 stops20h 00m

Southampton Eastleigh

Mon 21/9

17:20-11:50

1 stop26h 30m

£815

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Mon 28/9

13:38-16:50

2 stops19h 12m

Southampton Eastleigh

Tue 13/10

09:05-22:51

2 stops21h 46m

£822

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Wed 13/1

06:20-08:10

2 stops17h 50m

Southampton Eastleigh

Sun 24/1

09:30-20:25

2 stops18h 55m

£823
Fastest return journey

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Mon 28/9

06:20-08:35

2 stops18h 15m

Southampton Eastleigh

Tue 13/10

09:05-19:14

2 stops18h 09m

£823

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Mon 11/1

11:40-17:00

2 stops21h 20m

Southampton Eastleigh

Sat 23/1

09:25-20:25

2 stops19h 00m

£823

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Wed 13/1

06:20-08:10

2 stops17h 50m

Southampton Eastleigh

Sat 23/1

09:25-20:25

2 stops19h 00m

£823

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Mon 11/1

11:40-17:00

2 stops21h 20m

Southampton Eastleigh

Sun 24/1

09:30-20:25

2 stops18h 55m

£823

Flights are sorted by cheapest return flights first.

Deals found on 28/7

Sorted by cheapest first

Best time to book a flight from San Diego to Southampton

Have a flexible travel schedule? Discover the best time to fly to Southampton from San Diego 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.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Southampton. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from San Diego to Southampton?

    Delta can get you from San Diego to Southampton in just under 34h 05m. Your travel time can differ by up to . San Diego and Southampton are separated by a distance of 5462 mi.

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

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

  • How can I find direct flights from San Diego to Southampton?

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

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

    Yes. Cheapflights offers flight deals from San Diego 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

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How does Cheapflights help users find flights from San Diego to Southampton?

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from San Diego to Southampton.

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

Yes, we can. To see specific flights from San Diego to Southampton 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 San Diego to Southampton become cheaper?

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

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