How long is the flight from Southampton to San Antonio?

There are many flights that can get you from Southampton to San Antonio in 18h 08m. Fly via Aer Lingus or British Airways to get the fastest option. Southampton and San Antonio are separated by a distance of 4947 mi. Both multi-stop and direct flights can be found to your destination and back.

In terms of precipitation, rainfall in San Antonio ranges from 41.0 - 95.0 inches per month. May is typically the wettest month, when rainfall can reach 95.0 mm. December is typically the driest time to visit San Antonio when rainfall is around 41.0 mm.

If weather is an important factor for your trip to San Antonio, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

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

When flying from Southampton to San Antonio, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Southampton to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£1,023+ Cheap Flights from Southampton to San Antonio

Cheap flight deals from Southampton to San Antonio

Enter your travel dates to find the best prices.

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Best

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Cheapest flights from Southampton to San Antonio
Explore the most affordable flight options available from Southampton to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 October 2026.

Sun 22/1112:25 -

3 stops38h 49m

Sun 29/1112:58 -

2 stops16h 57m

Deal found 8/10£1,023

Sun 22/1112:25 -

2 stops18h 08m

Sun 29/1107:09 -

2 stops30h 21m

Deal found 8/10£1,138

Sun 22/1120:00 -

3 stops28h 21m

Sun 29/1118:38 -

3 stops32h 12m

Deal found 8/10£1,196

Find flight deals from Southampton to San Antonio

Round-trip from	£1,023
Popular in	July
Cheapest in	February
Average price	£842

22/11-29/11
5 total stops
55h 46m total
Southampton to San Antonio

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£101 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£16 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Southampton to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SouthamptonSan Antonio

SOU Southampton Eastleigh - SAT San Antonio

SOUSAT

Southampton Eastleigh

Sun 22/11

12:25-21:14

3 stops38h 49m

San Antonio

Sun 29/11

12:58-11:55

2 stops16h 57m

£1,023

Fastest return journey

SouthamptonSan Antonio

SOU Southampton Eastleigh - SAT San Antonio

SOUSAT

Southampton Eastleigh

Thu 22/10

09:20-23:58

2 stops20h 38m

San Antonio

Wed 31/12

00:00-07:00

Nonstop0h 00m

£1,084

SouthamptonSan Antonio

SOU Southampton Eastleigh - SAT San Antonio

SOUSAT

Southampton Eastleigh

Sun 22/11

20:00-18:21

3 stops28h 21m

San Antonio

Sun 29/11

18:38-08:50

3 stops32h 12m

£1,196

SouthamptonSan Antonio

SOU Southampton Eastleigh - SAT San Antonio

SOUSAT

Southampton Eastleigh

Tue 27/10

17:35-17:14

2 stops52h 39m

San Antonio

Wed 31/12

00:00-07:00

Nonstop0h 00m

£1,590

SouthamptonSan Antonio

SOU Southampton Eastleigh - SAT San Antonio

SOUSAT

Southampton Eastleigh

Sun 1/11

17:30-19:48

2 stops32h 18m

San Antonio

Wed 31/12

00:00-07:00

Nonstop0h 00m

£1,590

SouthamptonSan Antonio

SOU Southampton Eastleigh - SAT San Antonio

SOUSAT

Southampton Eastleigh

Sat 31/10

17:20-13:35

2 stops49h 15m

San Antonio

Wed 31/12

00:00-07:00

Nonstop0h 00m

£1,632

SouthamptonSan Antonio

SOU Southampton Eastleigh - SAT San Antonio

SOUSAT

Southampton Eastleigh

Thu 29/10

08:40-00:33

2 stops20h 53m

San Antonio

Wed 31/12

00:00-07:00

Nonstop0h 00m

£1,737

Flights are sorted by cheapest return flights first.

Deals found on 11/10

Sorted by cheapest first

Best time to book a flight from Southampton to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Southampton with our price prediction graph.

SOU-SAT

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

How long is the flight from Southampton to San Antonio?
There are many flights that can get you from Southampton to San Antonio in 18h 08m. Fly via Aer Lingus or British Airways to get the fastest option. Southampton and San Antonio are separated by a distance of 4947 mi. Both multi-stop and direct flights can be found to your destination and back.
Can I find deals for flights from Southampton to San Antonio that include hotel bookings?
Yes. In addition to deals on Southampton to San Antonio flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Southampton to San Antonio?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Southampton to San Antonio.
Can I find deals for business class flights from Southampton to San Antonio?
Yes. Cheapflights offers flight deals from Southampton to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to San Antonio from Southampton.

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Can Cheapflights notify me if prices for flights from Southampton to San Antonio become cheaper?

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Cheap flights from Southampton to San Antonio from £1,023

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Southampton to San Antonio

Cheapest flights from Southampton to San AntonioExplore the most affordable flight options available from Southampton to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 October 2026.

Explore the most affordable flight options available from Southampton to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 October 2026.

Best flights from Southampton to San AntonioDiscover carefully curated flight deals from Southampton to San Antonio that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 October 2026.

Discover carefully curated flight deals from Southampton to San Antonio that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 October 2026.

Last-minute flights from Southampton to San AntonioDiscover last-minute flight deals from Southampton to San Antonio. Data last updated 12 October 2026 and is based on user searches.

Discover last-minute flight deals from Southampton to San Antonio. Data last updated 12 October 2026 and is based on user searches.

One-way flights from Southampton to San AntonioSearch for one-way flight options from Southampton to San Antonio. Find affordable one-way fares based on user searches. Data last updated 12 October 2026.

Search for one-way flight options from Southampton to San Antonio. Find affordable one-way fares based on user searches. Data last updated 12 October 2026.

Find flight deals from Southampton to San Antonio

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Best time to book a flight from Southampton to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Southampton with our price prediction graph.

Related info for your journey

How long is the flight from Southampton to San Antonio?

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Southampton to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to San Antonio by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Texas

Book a non-stop flight to one of these other cities located in Texas.

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Find flights from Southampton to San Antonio, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Southampton and San Antonio flights

Browse other Southampton and San Antonio flight options. Last updated on 12 October 2026.

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

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Can Cheapflights notify me if prices for flights from Southampton to San Antonio become cheaper?

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Cheapest flights from Southampton to San Antonio
Explore the most affordable flight options available from Southampton to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 October 2026.

Best flights from Southampton to San Antonio
Discover carefully curated flight deals from Southampton to San Antonio that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 October 2026.

Last-minute flights from Southampton to San Antonio
Discover last-minute flight deals from Southampton to San Antonio. Data last updated 12 October 2026 and is based on user searches.

One-way flights from Southampton to San Antonio
Search for one-way flight options from Southampton to San Antonio. Find affordable one-way fares based on user searches. Data last updated 12 October 2026.