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$857+ Cheap flights from San Diego (SAN) to Southampton (SOU)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SOU
ago. 26 — sep. 21
mar. 8/26
mar. 9/2
1 adult, Economy
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Cheap 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 agosto 21, 2025.

Round-trip from

$857
(Delta)

Popular in

June

Cheapest in

February

Average price

$724
From San Diego to Southampton Eastleigh
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($308 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
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Find flight deals from San Diego to Southampton

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 agosto 21, 2025.

This Delta deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/1310:13 pmSAN - SOU
2 stops26h 32mDelta
lun. 9/295:35 pmSOU - SAN
1 stop26h 25mDelta
Deal found 8/21$857
This Delta deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/1310:13 pmSAN - SOU
2 stops26h 32mDelta
mié. 10/19:20 amSOU - SAN
2 stops17h 46mDelta
Deal found 8/21$867
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/1310:13 pmSAN - SOU
2 stops26h 32mDelta
mar. 9/305:35 pmSOU - SAN
2 stops32h 25mDelta
Deal found 8/20$868
This Delta deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/1310:13 pmSAN - SOU
2 stops26h 32mDelta
sáb. 10/46:05 pmSOU - SAN
1 stop25h 55mDelta
Deal found 8/21$907
This Delta deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/1310:13 pmSAN - SOU
2 stops26h 32mDelta
dom. 9/286:25 pmSOU - SAN
2 stops33h 02mDelta
Deal found 8/21$917
This Delta deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/1410:13 pmSAN - SOU
2 stops26h 32mDelta
lun. 9/295:35 pmSOU - SAN
1 stop26h 25mDelta
Deal found 8/21$943
This Delta deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/1410:13 pmSAN - SOU
2 stops26h 32mDelta
mié. 10/19:20 amSOU - SAN
1 stop34h 40mDelta
Deal found 8/20$944
This Delta deal was found by Cheapflights users on 8/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/157:00 amSAN - SOU
2 stops17h 45mDelta
lun. 9/295:35 pmSOU - SAN
2 stops34h 58mDelta
Deal found 8/21$953

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated agosto 21, 2025.
Use the filters below to find and compare flights from San Diego to Southampton that are best for you.

Fly from

San Diego

Fly to

Southampton

Route

Depart

Return

Price

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

sáb. 9/13

10:13 pm-8:45 am

2 stops26h 32m

Southampton Eastleigh

lun. 9/29

5:35 pm-12:00 pm

1 stop26h 25m

$857

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

sáb. 9/13

10:13 pm-8:45 am

2 stops26h 32m

Southampton Eastleigh

mié. 10/1

9:20 am-12:00 pm

1 stop34h 40m

$857

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

lun. 11/3

7:25 am-8:10 am

2 stops16h 45m

Southampton Eastleigh

jue. 11/13

8:50 am-5:46 pm

2 stops16h 56m

$867

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

sáb. 9/13

10:13 pm-8:45 am

2 stops26h 32m

Southampton Eastleigh

mar. 9/30

5:35 pm-6:00 pm

2 stops32h 25m

$867

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

sáb. 9/13

10:13 pm-8:45 am

2 stops26h 32m

Southampton Eastleigh

jue. 10/2

9:20 am-8:33 pm

2 stops19h 13m

$867

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/21

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 round-trip 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 San Diego to Southampton

What is the cheapest month to book a flight from San Diego to Southampton?

Currently, November is the cheapest month in which you can book a flight from San Diego to Southampton (average of $787). Flying from San Diego to Southampton in June is currently the most expensive (average of $1,308). 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.

What is the cheapest time of day to fly from SAN to SOU?

Find hourly flight availability from San Diego to Southampton. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated agosto 21, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 22% on flights from San Diego to Southampton by exploring options for tickets at noon.

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?

    Departing from San Diego to Southampton will take you 16h 45m. There are 5462 mi between San Diego and Southampton. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 vacation 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.

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

    Currently, November is the cheapest month in which you can book a flight from San Diego to Southampton (average of $787). Flying from San Diego to Southampton in June is currently the most expensive (average of $1,308). 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

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