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$552+ Cheap flights from San Diego (SAN) to Southampton (SOU)

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 3/20. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SOU
Mar 15 — Mar 221
Sun 3/15
Sun 3/22
1 adult, Economy
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Cheap 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 February 13, 2026.

This KLM deal was found by Cheapflights users on 2/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1111:15 am
SAN
-
SOU
2 stops23h 10m
KLM
Wed 3/185:35 pm
SOU
-
SAN
1 stop26h 30m
KLM
Deal found 2/11$815
This KAYAK deal was found by Cheapflights users on 2/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/131:40 pm
SAN
-
SOU
1 stop34h 55m
Scandinavian Airlines
Tue 11/38:40 am
SOU
-
SAN
2 stops21h 01m
Scandinavian Airlines
Deal found 2/10$818
This KAYAK deal was found by Cheapflights users on 2/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:15 am
SAN
-
SOU
2 stops18h 20m
Multiple Airlines
Tue 11/38:40 am
SOU
-
SAN
2 stops19h 45m
Multiple Airlines
Deal found 2/10$823
This Delta deal was found by Cheapflights users on 2/12. 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.
Sun 2/156:25 am
SAN
-
SOU
2 stops18h 25m
Delta
Tue 3/38:50 am
SOU
-
SAN
2 stops22h 12m
Delta
Deal found 2/12$831
This Gurufare deal was found by Cheapflights users on 2/11. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:20 am
SAN
-
SOU
2 stops18h 15m
Scandinavian Airlines
Fri 9/119:05 am
SOU
-
SAN
2 stops22h 14m
Scandinavian Airlines
Deal found 2/11$843
This Gurufare deal was found by Cheapflights users on 2/11. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:50 am
SAN
-
SOU
2 stops15h 45m
Multiple Airlines
Fri 9/115:20 pm
SOU
-
SAN
1 stop26h 30m
Multiple Airlines
Deal found 2/11$912
This Delta deal was found by Cheapflights users on 2/10. 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.
Tue 6/96:15 am
SAN
-
SOU
2 stops26h 35m
Delta
Wed 6/179:05 am
SOU
-
SAN
1 stop34h 45m
Delta
Deal found 2/10$947
This Delta deal was found by Cheapflights users on 2/10. 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.
Tue 6/97:00 am
SAN
-
SOU
2 stops25h 50m
Delta
Thu 6/189:05 am
SOU
-
SAN
2 stops22h 38m
Delta
Deal found 2/10$957
This Delta deal was found by Cheapflights users on 2/10. 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.
Mon 6/83:59 pm
SAN
-
SOU
2 stops40h 51m
Delta
Wed 6/179:05 am
SOU
-
SAN
1 stop34h 45m
Delta
Deal found 2/10$958
This Delta deal was found by Cheapflights users on 2/10. 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.
Mon 6/87:30 pm
SAN
-
SOU
2 stops37h 20m
Delta
Thu 6/185:20 pm
SOU
-
SAN
2 stops37h 28m
Delta
Deal found 2/10$962

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 February 13, 2026.

Most accurate provider

Ovago
2 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$815
(KLM)

One-way from

$552
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$713
Provider with most accurate pricing for San Diego-Southampton Eastleigh flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Southampton Eastleigh flights.
Search Deals
From San Diego to Southampton Eastleigh
Search Deals
One-way flight from San Diego to Southampton Eastleigh
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($285 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

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 February 13, 2026.
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

Wed 3/11

11:15 am-5:25 pm

2 stops23h 10m

Southampton Eastleigh

Wed 3/18

5:35 pm-1:05 pm

1 stop26h 30m

$815

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Mon 2/16

7:00 am-8:50 am

2 stops17h 50m

Southampton Eastleigh

Tue 3/3

8:50 am-8:37 pm

2 stops19h 47m

$831

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Sat 3/28

6:23 am-3:35 pm

2 stops26h 12m

Southampton Eastleigh

Sat 4/4

8:00 pm-10:08 am

2 stops46h 08m

$1,320

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Sat 3/28

3:00 pm-7:35 am

1 stop33h 35m

Southampton Eastleigh

Sat 4/4

9:15 am-10:28 pm

2 stops21h 13m

$1,834

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Wed 3/11

6:35 pm-8:45 am

3 stops31h 10m

Southampton Eastleigh

Wed 3/18

8:00 am-11:53 am

3 stops34h 53m

$1,895

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Wed 2/25

6:00 pm-8:10 am

2 stops30h 10m

Southampton Eastleigh

Sun 3/1

12:15 pm-4:10 pm

2 stops59h 55m

$5,446

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Wed 3/25

7:00 pm-8:20 pm

2 stops18h 20m

Southampton Eastleigh

Fri 4/3

6:50 am-5:50 pm

2 stops19h 00m

$5,462

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Fri 3/20

12:35 pm-8:45 am

3 stops37h 10m

$552

San DiegoSouthampton

SAN - SOU

SANSOU

San Diego

Fri 3/20

10:35 pm-8:45 am

2 stops27h 10m

$581

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/9

  • Most accurate provider: When it comes to deals on San Diego-Southampton flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on San Diego-Southampton flight deals on Cheapflights vs. Ovago 90-95% of the time. Price accuracy is based on data collected from San Diego-Southampton flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Southampton flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-Southampton flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, December is the cheapest month in which you can book a flight from San Diego to Southampton (average of $469). Flying from San Diego to Southampton in June is currently the most expensive (average of $908). 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 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 17h 50m. 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, December is the cheapest month in which you can book a flight from San Diego to Southampton (average of $469). Flying from San Diego to Southampton in June is currently the most expensive (average of $908). 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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