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$662+ Cheap flights from San Antonio (SAT) 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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SOU
Apr 15 — Apr 221
Wed 4/15
Wed 4/22
1 adult, Economy
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Cheap flight deals from San Antonio to Southampton

Cheapest flights from San Antonio to Southampton
Explore the most affordable flight options available from San Antonio to Southampton. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 16, 2026.

This KLM deal was found by Cheapflights users on 3/13. 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.
Mon 4/2710:42 am
SAT
-
SOU
2 stops15h 53m
KLM
Mon 5/45:20 pm
SOU
-
SAT
2 stops30h 49m
KLM
Deal found 3/13$980
This Delta deal was found by Cheapflights users on 3/12. 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 5/36:12 pm
SAT
-
SOU
2 stops32h 23m
Delta
Thu 5/145:20 pm
SOU
-
SAT
2 stops30h 00m
Delta
Deal found 3/12$1,017
This Delta deal was found by Cheapflights users on 3/12. 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.
Fri 5/14:44 pm
SAT
-
SOU
2 stops18h 06m
Delta
Thu 5/149:05 am
SOU
-
SAT
2 stops17h 23m
Delta
Deal found 3/12$1,031
This Delta deal was found by Cheapflights users on 3/12. 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 5/36:12 pm
SAT
-
SOU
2 stops32h 23m
Delta
Sun 5/109:15 am
SOU
-
SAT
2 stops17h 13m
Delta
Deal found 3/12$1,067
This Delta deal was found by Cheapflights users on 3/12. 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.
Fri 5/14:44 pm
SAT
-
SOU
2 stops18h 06m
Delta
Sun 5/109:15 am
SOU
-
SAT
2 stops17h 13m
Delta
Deal found 3/12$1,081
This Delta deal was found by Cheapflights users on 3/12. 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.
Sat 5/24:43 pm
SAT
-
SOU
2 stops33h 52m
Delta
Tue 5/129:05 am
SOU
-
SAT
2 stops17h 41m
Delta
Deal found 3/12$1,092
This Delta deal was found by Cheapflights users on 3/12. 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.
Sat 5/24:43 pm
SAT
-
SOU
2 stops33h 52m
Delta
Sun 5/109:15 am
SOU
-
SAT
2 stops19h 12m
Delta
Deal found 3/12$1,142
This BusinessClass deal was found by Cheapflights users on 3/15. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/198:00 am
SAT
-
SOU
2 stops18h 45m
Multiple Airlines
Mon 8/36:05 pm
SOU
-
SAT
2 stops32h 12m
Multiple Airlines
Deal found 3/15$1,171

Find flight deals from San Antonio to Southampton

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) 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 March 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$980
(KLM)

One-way from

$662
(Delta)

Popular in

June

Cheapest in

February

Average price

$775
Provider with most accurate pricing for San Antonio-Southampton Eastleigh flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Antonio-Southampton Eastleigh flights.
Search Deals
From San Antonio to Southampton Eastleigh
Search Deals
One-way flight from San Antonio to Southampton Eastleigh
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($126 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Antonio 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 March 16, 2026.
Use the filters below to find and compare flights from San Antonio to Southampton that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San AntonioSouthampton

SAT - SOU

SATSOU

San Antonio

Mon 4/27

10:42 am-8:35 am

2 stops15h 53m

Southampton Eastleigh

Mon 5/4

5:20 pm-6:09 pm

2 stops30h 49m

$980

San AntonioSouthampton

SAT - SOU

SATSOU

San Antonio

Sun 5/3

6:12 pm-8:35 am

2 stops32h 23m

Southampton Eastleigh

Mon 5/11

5:20 pm-6:23 pm

2 stops31h 03m

$1,017

San AntonioSouthampton

SAT - SOU

SATSOU

San Antonio

Fri 5/1

4:44 pm-4:50 pm

2 stops18h 06m

Southampton Eastleigh

Thu 5/14

9:05 am-8:28 pm

2 stops17h 23m

$1,031

San AntonioSouthampton

SAT - SOU

SATSOU

San Antonio

Sun 5/3

6:12 pm-8:35 am

2 stops32h 23m

Southampton Eastleigh

Sun 5/10

9:15 am-8:28 pm

2 stops17h 13m

$1,067
Quickest round-trip

San AntonioSouthampton

SAT - SOU

SATSOU

San Antonio

Fri 5/1

4:44 pm-4:50 pm

2 stops18h 06m

Southampton Eastleigh

Sun 5/10

9:15 am-8:28 pm

2 stops17h 13m

$1,081

San AntonioSouthampton

SAT - SOU

SATSOU

San Antonio

Sat 5/2

4:43 pm-8:35 am

2 stops33h 52m

Southampton Eastleigh

Tue 5/12

9:05 am-8:46 pm

2 stops17h 41m

$1,092

San AntonioSouthampton

SAT - SOU

SATSOU

San Antonio

Sat 5/2

4:43 pm-8:35 am

2 stops33h 52m

Southampton Eastleigh

Wed 5/13

9:05 am-8:46 pm

2 stops17h 41m

$1,092

San AntonioSouthampton

SAT - SOU

SATSOU

San Antonio

Sun 7/19

8:00 am-8:45 am

2 stops18h 45m

Southampton Eastleigh

Mon 8/3

6:05 pm-8:17 pm

2 stops32h 12m

$1,171
Cheapest one-way
Quickest one-way

San AntonioSouthampton

SAT - SOU

SATSOU

San Antonio

Tue 3/24

1:37 pm-5:00 pm

2 stops22h 23m

$662

San AntonioSouthampton

SAT - SOU

SATSOU

San Antonio

Mon 3/23

8:00 am-8:20 am

2 stops43h 20m

$662

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/13

Sorted by cheapest first

Compare providers for flights from San Antonio to Southampton

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Antonio to Southampton in March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Antonio-Southampton flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-Southampton flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Antonio-Southampton flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Antonio-Southampton flights, Cheapflights users trust FlightHub the most. FlightHub 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 Antonio-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 Antonio to Southampton

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

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

Currently, September is the cheapest month in which you can book a flight from San Antonio to Southampton (average of $526). Flying from San Antonio to Southampton in June is currently the most expensive (average of $826). 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 Antonio 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 Antonio to Southampton?

    KLM and Delta can get you from San Antonio to Southampton in just under 15h 53m. Your travel time can differ by up to 16h 30m. San Antonio and Southampton are separated by a distance of 4947 mi. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Antonio 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 Antonio to Southampton?

    Currently, September is the cheapest month in which you can book a flight from San Antonio to Southampton (average of $526). Flying from San Antonio to Southampton in June is currently the most expensive (average of $826). 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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