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Cheap flights from San Antonio to London from £379

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to London departing on 23/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
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Find the cheapest flights from San Antonio to London

Cheap return flights

Enter your travel dates to find the best prices.
Delta Logo
12:05 - 08:45
SAT
-
SOU
14h 40m
2 stops
Delta Logo
09:05 - 21:18
SOU
-
SAT
18h 13m
2 stops
£814Delta
Sun, 23 Aug - Tue, 8 Sep
Delta Logo
05:15 - 08:45
SAT
-
SOU
21h 30m
2 stops
Delta Logo
09:05 - 22:46
SOU
-
SAT
19h 41m
2 stops
£815Delta
Sun, 23 Aug - Tue, 8 Sep
Delta Logo
18:04 - 17:35
SAT
-
SOU
17h 31m
2 stops
Delta Logo
18:05 - 16:39
SOU
-
SAT
28h 34m
2 stops
£856Delta
Wed, 5 Aug - Thu, 13 Aug
Aer Lingus Logo
08:50 - 08:35
SAT
-
SOU
17h 45m
2 stops
Aer Lingus Logo
20:00 - 00:48
SOU
-
SAT
34h 48m
2 stops
£858Aer Lingus
Sat, 8 Aug - Sat, 15 Aug
Delta Logo
18:04 - 17:35
SAT
-
SOU
17h 31m
2 stops
Delta Logo
09:15 - 21:04
SOU
-
SAT
17h 49m
2 stops
£894Delta
Thu, 6 Aug - Wed, 12 Aug
Delta Logo
10:46 - 08:45
SAT
-
SOU
15h 59m
2 stops
Delta Logo
09:15 - 21:04
SOU
-
SAT
17h 49m
2 stops
£902Delta
Wed, 5 Aug - Sat, 15 Aug
Delta Logo
17:45 - 08:45
SAT
-
SOU
33h 00m
2 stops
Delta Logo
17:30 - 16:39
SOU
-
SAT
29h 09m
2 stops
£907Delta
Sat, 8 Aug - Sun, 16 Aug
Delta Logo
05:15 - 08:45
SAT
-
SOU
21h 30m
2 stops
Delta Logo
17:30 - 10:34
SOU
-
SAT
47h 04m
2 stops
£909Delta
Sun, 9 Aug - Sat, 15 Aug
Delta Logo
12:37 - 08:45
SAT
-
SOU
38h 08m
2 stops
Delta Logo
17:30 - 11:42
SOU
-
SAT
48h 12m
2 stops
£915Delta
Sat, 8 Aug - Sat, 15 Aug
Delta Logo
06:25 - 08:45
SAT
-
SOU
20h 20m
2 stops
Delta Logo
17:30 - 16:39
SOU
-
SAT
29h 09m
2 stops
£940Delta
Thu, 6 Aug - Sun, 16 Aug

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Delta flights from San Antonio to Southampton

Our best Delta deals on San Antonio to Southampton flight tickets
Delta
23 Aug
SAT12:05San Antonio
14h 40m
2 stops
SOU08:45Southampton Eastleigh
8 Sept
SOU09:05Southampton Eastleigh
18h 13m
2 stops
SAT21:18San Antonio
£814
Delta
23 Aug
SAT05:15San Antonio
21h 30m
2 stops
SOU08:45Southampton Eastleigh
8 Sept
SOU09:05Southampton Eastleigh
19h 41m
2 stops
SAT22:46San Antonio
£815
Delta
5 Aug
SAT18:04San Antonio
17h 31m
2 stops
SOU17:35Southampton Eastleigh
13 Aug
SOU18:05Southampton Eastleigh
28h 34m
2 stops
SAT16:39San Antonio
£856

momondo Fare Finder

 
Customise 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, momondo users made 279,928 searches. Data last updated 27 June 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 return flight
Fastest return journey

San AntonioSouthampton

SAT - SOU

SATSOU

San Antonio

Sun 23/8

12:05-08:45

2 stops14h 40m

Southampton Eastleigh

Tue 8/9

09:05-21:18

2 stops18h 13m

£814

San AntonioSouthampton

SAT - SOU

SATSOU

San Antonio

Sun 23/8

05:15-08:45

2 stops21h 30m

Southampton Eastleigh

Tue 8/9

09:05-22:46

2 stops19h 41m

£815

San AntonioSouthampton

SAT - SOU

SATSOU

San Antonio

Wed 5/8

18:04-17:35

2 stops17h 31m

Southampton Eastleigh

Thu 13/8

18:05-16:39

2 stops28h 34m

£856

San AntonioSouthampton

SAT - SOU

SATSOU

San Antonio

Sat 8/8

08:50-08:35

2 stops17h 45m

Southampton Eastleigh

Sat 15/8

20:00-00:48

2 stops34h 48m

£858

San AntonioSouthampton

SAT - SOU

SATSOU

San Antonio

Thu 6/8

18:04-17:35

2 stops17h 31m

Southampton Eastleigh

Wed 12/8

09:15-21:04

2 stops17h 49m

£894

San AntonioSouthampton

SAT - SOU

SATSOU

San Antonio

Wed 5/8

10:46-08:45

2 stops15h 59m

Southampton Eastleigh

Sat 15/8

09:15-21:04

2 stops17h 49m

£902

San AntonioSouthampton

SAT - SOU

SATSOU

San Antonio

Sat 8/8

17:45-08:45

2 stops33h 00m

Southampton Eastleigh

Sun 16/8

17:30-16:39

2 stops29h 09m

£907

San AntonioSouthampton

SAT - SOU

SATSOU

San Antonio

Sun 9/8

05:15-08:45

2 stops21h 30m

Southampton Eastleigh

Sat 15/8

17:30-10:34

2 stops47h 04m

£909

San AntonioSouthampton

SAT - SOU

SATSOU

San Antonio

Sat 8/8

12:37-08:45

2 stops38h 08m

Southampton Eastleigh

Sat 15/8

17:30-11:42

2 stops48h 12m

£915

San AntonioSouthampton

SAT - SOU

SATSOU

San Antonio

Thu 6/8

06:25-08:45

2 stops20h 20m

Southampton Eastleigh

Sun 16/8

17:30-16:39

2 stops29h 09m

£940

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

See travel insights to London from

How to get the cheapest flight ticket from San Antonio to Southampton

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from San Antonio to Southampton Eastleigh?

Aer Lingus is the most popular carrier operating from San Antonio to Southampton Eastleigh

When to book flights from San Antonio to Southampton

Are you open to changing your travel dates? Check out the ideal times to fly from San Antonio to Southampton according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap San Antonio to Southampton (SAT to SOU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Antonio to Southampton

Fastest flight time

14h 40m

Direct flights

None
The fastest flight from San Antonio to Southampton takes 14h 40m
There are no direct flights from San Antonio to Southampton. There are no popular flight routes from San Antonio to Southampton.
Search flight deals

Frequently asked questions about flying from San Antonio to Southampton

  • How far is San Antonio to Southampton Eastleigh by plane?

    Southampton Eastleigh is 4952.6 mi away from San Antonio. In terms of flight time, this usually takes a little over 14h 40m.

  • When did momondo last update prices for flights from San Antonio Airport to Southampton Eastleigh Airport?

    Prices for flights from San Antonio Airport to Southampton Eastleigh Airport refresh daily.

  • How old do you have to be to fly from San Antonio Airport to Southampton Eastleigh Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Antonio Airport to Southampton Eastleigh Airport.

  • What documentation or ID do you need to fly to Southampton Eastleigh Airport?

    The required travel and health documents for your Southampton Eastleigh Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Southampton Eastleigh Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Portsmouth

Why use momondo?

Why should I use momondo to find a flight deal from San Antonio to Southampton?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Antonio to Southampton . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from San Antonio to Southampton with flexible booking policies on momondo?

Yes. All flights to Southampton from San Antonio on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from San Antonio to Southampton?

momondo provides multiple filters to help you find the best flight to Southampton from San Antonio. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from San Antonio to Southampton right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Southampton from San Antonio. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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