$507 Cheap Flights from San Antonio (SAT) to Southampton (SOU)

View $507 flight on Sun, Mar 15, 2026Opens in a new window

Popular airlines from San Antonio International Airport (SAT) to Southampton (SOU)

Cheap Flights from San Antonio to Southampton (SAT-SOU)

Prices were available within the past 7 days and start at $507 for one-way flights and $745 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Dec 31 - Tue, Jan 13
SAT
San Antonio
SOU
Southampton
$745 Roundtrip, found 6 days ago
$745
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Dec 31 from San Antonio to Southampton, returning Tue, Jan 13, priced at $745 found 6 days ago
Delta
Wed, Dec 31 - Sat, Jan 17
SAT
San Antonio
SOU
Southampton
$748 Roundtrip, found 6 days ago
$748
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Dec 31 from San Antonio to Southampton, returning Sat, Jan 17, priced at $748 found 6 days ago
Delta
Wed, Jan 7 - Thu, Jan 22
SAT
San Antonio
SOU
Southampton
$753 Roundtrip, found 6 days ago
$753
Roundtrip
found 6 days ago
Select Delta flight, departing Wed, Jan 7 from San Antonio to Southampton, returning Thu, Jan 22, priced at $753 found 6 days ago
Delta
Mon, Jan 19 - Tue, Feb 3
SAT
San Antonio
SOU
Southampton
$756 Roundtrip, found 6 days ago
$756
Roundtrip
found 6 days ago
Select Delta flight, departing Mon, Jan 19 from San Antonio to Southampton, returning Tue, Feb 3, priced at $756 found 6 days ago
Delta
Fri, Jan 23 - Tue, Feb 3
SAT
San Antonio
SOU
Southampton
$759 Roundtrip, found 6 days ago
$759
Roundtrip
found 6 days ago
Select Delta flight, departing Fri, Jan 23 from San Antonio to Southampton, returning Tue, Feb 3, priced at $759 found 6 days ago
Virgin Atlantic
Tue, Jan 20 - Tue, Jan 27
SAT
San Antonio
SOU
Southampton
$760 Roundtrip, found 2 days ago
$760
Roundtrip
found 2 days ago
Select Virgin Atlantic flight, departing Tue, Jan 20 from San Antonio to Southampton, returning Tue, Jan 27, priced at $760 found 2 days ago
Virgin Atlantic
Sat, Jan 17 - Tue, Jan 27
SAT
San Antonio
SOU
Southampton
$761 Roundtrip, found 6 days ago
$761
Roundtrip
found 6 days ago
Select Virgin Atlantic flight, departing Sat, Jan 17 from San Antonio to Southampton, returning Tue, Jan 27, priced at $761 found 6 days ago
Virgin Atlantic
Tue, Jan 20 - Tue, Jan 27
SAT
San Antonio
SOU
Southampton
$766 Roundtrip, found 2 days ago
$766
Roundtrip
found 2 days ago
Select Virgin Atlantic flight, departing Tue, Jan 20 from San Antonio to Southampton, returning Tue, Jan 27, priced at $766 found 2 days ago
KLM
Tue, Dec 30 - Sat, Jan 17
SAT
San Antonio
SOU
Southampton
$776 Roundtrip, found 6 days ago
$776
Roundtrip
found 6 days ago
Select KLM flight, departing Tue, Dec 30 from San Antonio to Southampton, returning Sat, Jan 17, priced at $776 found 6 days ago
Aer Lingus
Thu, Aug 27 - Sat, Sep 5
SAT
San Antonio
SOU
Southampton
$1,348 Roundtrip, found 2 days ago
$1,348
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Thu, Aug 27 from San Antonio to Southampton, returning Sat, Sep 5, priced at $1,348 found 2 days ago

Alternative airports near Southampton

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Southampton SOU. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $936
SOU
Southampton
CheapestClosest
Average driving time to city center10 min
Flights from $936
Flights from San Antonio (SAT) to Southampton (SOU)
Origin airport
San Antonio Intl.
Destination airport
Southampton
Airlines serving
Aer Lingus, Delta, KLM, Virgin Atlantic
Roundtrip price
$744
Distance
4950 mi

San Antonio to Southampton Flights

The cheapest times to fly from San Antonio to Southampton

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Antonio to Southampton are during the month of December. You can find some of the cheapest flights from San Antonio to Southampton with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Antonio to Southampton

Sunday is one of the best days to book for cheap flights from San Antonio to Southampton: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Antonio to Southampton

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Antonio to Southampton in 2026. You can also book with separate airlines for your outbound and return journeys, from $507 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Antonio to Southampton flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Antonio to Southampton airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from San Antonio Intl. Airport (SAT) to Southampton Airport (SOU) cost?
Secure a cheap one-way flight from $507 or cheap return flight from $745 from San Antonio Intl. Airport (SAT) to Southampton Airport (SOU) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from San Antonio Intl. Airport (SAT) to Southampton Airport (SOU)?
December is the most affordable month to fly from SAT to SOU. Avoiding peak travel times is often the key to finding better fares.
What is the cheapest airline that flies from San Antonio Intl. Airport (SAT) to Southampton Airport (SOU)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll fly you from SAT to SOU. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from San Antonio Intl. Airport (SAT) to Southampton Airport (SOU)?
Nonstop flights from San Antonio Intl. Airport (SAT) to Southampton Airport (SOU) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SAT to SOU?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary based on a number of factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Antonio Intl. Airport (SAT) to Southampton Airport (SOU)?
To reach Southampton Airport (SOU) without delays, select a flight that takes off from San Antonio Intl. Airport (SAT) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from San Antonio Intl. Airport (SAT) to Southampton Airport (SOU) last-minute?
Last-minute bookings from SAT to SOU are usually more expensive. To lock in the best rates, start searching for flights early. That being said, if you're flexible with your travel plans, it's possible to score a cheap fare just before your departure.
Is it cheaper to book a SAT to SOU flight and hotel package?
You can save money by securing a SAT to SOU flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. Once you've chosen your ideal accommodations and flights, consider other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from San Antonio Intl. Airport (SAT) to Southampton Airport (SOU)?
In most instances, you can cancel or modify your SAT to SOU flight. However, additional charges may apply, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you want more information, go to our Customer Service portal.

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*Available to One Key members.