What is the cheapest airline that flies from United Kingdom to San Antonio?

Delta, Virgin Atlantic, and Lufthansa are the most popular carriers operating from United Kingdom to San Antonio

How long does it take to fly to San Antonio?

If you’re flying from a popular airport in United Kingdom, such as London or Edinburgh, and flying into San Antonio, then you can expect flight times to average 12h 48m and 13h 37m, respectively.

Which airlines fly to San Antonio?

British Airways, Virgin Atlantic and Lufthansa are the top three most popular airlines that fly to San Antonio from United Kingdom according to our data. British Airways is the first choice among our users, with 66% of people opting to fly with this airline when travelling to San Antonio. Keep in mind that there are 12 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from United Kingdom to San Antonio Airport?

Prices for flights from United Kingdom to San Antonio Airport refresh daily.

How many operators does momondo search for flights from United Kingdom to San Antonio Airport?

There are 5 operators available for flights from United Kingdom to San Antonio Airport as of September 2026.

How old do you have to be to fly from United Kingdom to San Antonio 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 United Kingdom to San Antonio Airport.

What documentation or ID do you need to fly to San Antonio Airport?

The necessary travel and health documents for your San Antonio Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£385 Cheap Flights from the United Kingdom to San Antonio in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from the United Kingdom to San Antonio

Return

One-way

Last minute

Recent return flight deals from the United Kingdom to San Antonio

Enter your travel dates to find the best prices.

19:30 - 23:18LHR London Heathrow-SAT San Antonio

33h 48m2 stops Kastrup Copenhagen Los Angeles

16:10 - 18:30SAT San Antonio-LHR London Heathrow

20h 20m2 stops Los Angeles Kastrup Copenhagen

£565Scandinavian Airlines

Tue, 2 Feb - Fri, 19 Feb

17:05 - 19:25LHR London Heathrow-SAT San Antonio

32h 20m2 stops Los Angeles Denver Intl

20:20 - 11:35SAT San Antonio-LHR London Heathrow

33h 15m2 stops Denver Intl Los Angeles

£572Multiple Airlines

Mon, 2 Nov - Mon, 16 Nov

17:05 - 19:25LHR London Heathrow-SAT San Antonio

32h 20m2 stops Los Angeles Denver Intl

20:20 - 11:35SAT San Antonio-LHR London Heathrow

33h 15m2 stops Denver Intl Los Angeles

£573Multiple Airlines

Mon, 2 Nov - Mon, 16 Nov

10:10 - 00:28MAN Manchester-SAT San Antonio

20h 18m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson

14:10 - 18:35SAT San Antonio-MAN Manchester

22h 25m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen

£591Scandinavian Airlines

Sun, 10 Jan - Sun, 24 Jan

12:05 - 23:38LHR London Heathrow-SAT San Antonio

17h 33m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

14:20 - 07:40SAT San Antonio-LHR London Heathrow

11h 20m1 stop Houston George Bush Intcntl

£880Lufthansa

Mon, 2 Nov - Mon, 16 Nov

10:50 - 19:48LHR London Heathrow-SAT San Antonio

14h 58m1 stop Atlanta Hartsfield-Jackson

12:57 - 08:35SAT San Antonio-LHR London Heathrow

13h 38m1 stop New York John F Kennedy Intl

£891Virgin Atlantic

Tue, 3 Nov - Tue, 10 Nov

10:50 - 19:48LHR London Heathrow-SAT San Antonio

14h 58m1 stop Atlanta Hartsfield-Jackson

12:57 - 08:35SAT San Antonio-LHR London Heathrow

13h 38m1 stop New York John F Kennedy Intl

£894Virgin Atlantic

Tue, 3 Nov - Tue, 10 Nov

11:35 - 20:53LHR London Heathrow-SAT San Antonio

15h 18m1 stop Denver Intl

19:15 - 06:20SAT San Antonio-LHR London Heathrow

29h 05m2 stops Houston George Bush Intcntl Newark

£897Lufthansa

Wed, 11 Nov - Sat, 21 Nov

14:45 - 21:59LHR London Heathrow-SAT San Antonio

13h 14m1 stop Dallas/Fort Worth

17:47 - 12:15SAT San Antonio-LHR London Heathrow

12h 28m1 stop Dallas/Fort Worth

£932British Airways

Mon, 2 Nov - Mon, 16 Nov

11:45 - 19:43LHR London Heathrow-SAT San Antonio

13h 58m1 stop Charlotte Douglas

14:05 - 08:15SAT San Antonio-LHR London Heathrow

12h 10m1 stop Dallas/Fort Worth

£939British Airways

Mon, 9 Nov - Mon, 16 Nov

Recent last minute flight deals from the United Kingdom to San Antonio

Enter your travel dates to find the best prices.

06:40 - 23:18LHR London Heathrow-SAT San Antonio

22h 38m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson

13:45 - 09:20SAT San Antonio-LHR London Heathrow

37h 35m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen

£634Scandinavian Airlines

Sat, 3 Oct - Mon, 14 Dec

18:40 - 23:18LHR London Heathrow-SAT San Antonio

34h 38m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson

13:45 - 09:20SAT San Antonio-LHR London Heathrow

37h 35m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen

£634Scandinavian Airlines

Fri, 2 Oct - Mon, 14 Dec

09:40 - 10:15LGW London Gatwick-SAT San Antonio

30h 35m2 stops Cancun Mexico City Benito Juarez

20:56 - 07:55SAT San Antonio-LGW London Gatwick

28h 59m2 stops Mexico City Benito Juarez Cancun

£726Multiple Airlines

Thu, 1 Oct - Sun, 11 Oct

21:25 - 23:55LHR London Heathrow-SAT San Antonio

32h 30m2 stops Reykjavik Keflavik Intl Denver Intl

11:15 - 10:50SAT San Antonio-LHR London Heathrow

17h 35m2 stops Denver Intl Reykjavik Keflavik Intl

£834Multiple Airlines

Thu, 1 Oct - Mon, 30 Nov

08:00 - 17:40LHR London Heathrow-SAT San Antonio

15h 40m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

05:15 - 13:30SAT San Antonio-LHR London Heathrow

26h 15m2 stops Houston George Bush Intcntl Los Angeles

£1,092Lufthansa

Sun, 4 Oct - Tue, 15 Dec

10:00 - 17:40LHR London Heathrow-SAT San Antonio

13h 40m1 stop Houston George Bush Intcntl

14:18 - 07:40SAT San Antonio-LHR London Heathrow

11h 22m1 stop Houston George Bush Intcntl

£1,092Lufthansa

Sun, 4 Oct - Tue, 15 Dec

21:25 - 23:55GLA Glasgow Intl-SAT San Antonio

32h 30m2 stops Dublin Chicago O'Hare Intl

07:15 - 07:55SAT San Antonio-GLA Glasgow Intl

18h 40m2 stops Chicago O'Hare Intl Dublin

£1,179Aer Lingus

Mon, 28 Sep - Fri, 6 Nov

21:25 - 23:55GLA Glasgow Intl-SAT San Antonio

32h 30m2 stops Dublin Chicago O'Hare Intl

14:56 - 12:45SAT San Antonio-GLA Glasgow Intl

15h 49m2 stops Chicago O'Hare Intl Dublin

£1,183Aer Lingus

Mon, 28 Sep - Fri, 6 Nov

14:45 - 21:59LHR London Heathrow-SAT San Antonio

13h 14m1 stop Dallas/Fort Worth

11:51 - 06:55SAT San Antonio-LHR London Heathrow

13h 04m1 stop Charlotte Douglas

£1,210British Airways

Sat, 3 Oct - Wed, 21 Oct

08:55 - 17:48LHR London Heathrow-SAT San Antonio

14h 53m1 stop Dallas/Fort Worth

14:55 - 08:15SAT San Antonio-LHR London Heathrow

11h 20m1 stop Dallas/Fort Worth

£1,214British Airways

Sun, 4 Oct - Tue, 15 Dec

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Scandinavian Airlines flights from United Kingdom to San Antonio

Our best Scandinavian Airlines deals on United Kingdom to San Antonio flight tickets

Scandinavian Airlines

2 Feb

LHR19:30London Heathrow

33h 48m

2 stops

SAT23:18San Antonio

19 Feb

SAT16:10San Antonio

20h 20m

2 stops

LHR18:30London Heathrow

£565

Scandinavian Airlines

10 Jan

MAN10:10Manchester

20h 18m

2 stops

SAT00:28San Antonio

24 Jan

SAT14:10San Antonio

22h 25m

2 stops

MAN18:35Manchester

£591

Scandinavian Airlines

9 Nov

LHR06:40London Heathrow

23h 53m

2 stops

SAT00:33San Antonio

16 Nov

SAT13:44San Antonio

20h 16m

2 stops

LHR16:00London Heathrow

£595

Lufthansa flights from United Kingdom to San Antonio

Our best Lufthansa deals on United Kingdom to San Antonio flight tickets

Lufthansa

2 Nov

LHR12:05London Heathrow

17h 33m

2 stops

SAT23:38San Antonio

16 Nov

SAT14:20San Antonio

11h 20m

1 stop

LHR07:40London Heathrow

£880

Lufthansa

7 Oct

LHR13:40London Heathrow

13h 51m

1 stop

SAT21:31San Antonio

25 Nov

SAT07:20San Antonio

18h 05m

1 stop

LHR07:25London Heathrow

£893

Lufthansa

9 Nov

MAN11:30Manchester

30h 38m

2 stops

SAT12:08San Antonio

16 Nov

SAT06:34San Antonio

20h 26m

3 stops

MAN09:00Manchester

£912

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Tue 2/2

19:30-23:18

2 stops33h 48m

San Antonio

Fri 19/2

16:10-18:30

2 stops20h 20m

£565

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Mon 2/11

17:05-19:25

2 stops32h 20m

San Antonio

Mon 16/11

20:20-11:35

2 stops33h 15m

£572

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Mon 2/11

17:05-19:25

2 stops32h 20m

San Antonio

Mon 16/11

20:20-11:35

2 stops33h 15m

£573

ManchesterSan Antonio

MAN Manchester - SAT San Antonio

MANSAT

Manchester

Sun 10/1

10:10-00:28

2 stops20h 18m

San Antonio

Sun 24/1

14:10-18:35

2 stops22h 25m

£591

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Mon 2/11

12:05-23:38

2 stops17h 33m

San Antonio

Mon 16/11

14:20-07:40

1 stop11h 20m

£880

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Tue 3/11

10:50-19:48

1 stop14h 58m

San Antonio

Tue 10/11

12:57-08:35

1 stop13h 38m

£891

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Tue 3/11

10:50-19:48

1 stop14h 58m

San Antonio

Tue 10/11

12:57-08:35

1 stop13h 38m

£894

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Wed 11/11

11:35-20:53

1 stop15h 18m

San Antonio

Sat 21/11

19:15-06:20

2 stops29h 05m

£897

Fastest return journey

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Mon 2/11

14:45-21:59

1 stop13h 14m

San Antonio

Mon 16/11

17:47-12:15

1 stop12h 28m

£932

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Mon 9/11

11:45-19:43

1 stop13h 58m

San Antonio

Mon 16/11

14:05-08:15

1 stop12h 10m

£939

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from United Kingdom to San Antonio

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

Prices

Airlines

Other information

What is the cheapest month to fly to San Antonio?

The month of February is, on average, the cheapest month to fly to San Antonio from United Kingdom, with most prices found around £818. If you aren’t able to travel to San Antonio during the month of February, then flying in April is also cheap. Prices for this month can be found on momondo for an average of £866.

How far in advance should I book a flight to San Antonio?

You are more likely to see cheaper flights to San Antonio from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around £1,024 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from United Kingdom for as low as £902 on momondo.

Can stopping save me money on United Kingdom to San Antonio flights?

You could potentially save up to 9% on your flight if you consider stops on a United Kingdom to San Antonio flight.

Cheap United Kingdom to San Antonio flight deals and tips

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

Best price found	£385
Fastest flight time	14h 53m
Direct flights	None

The best one-way flight to San Antonio from United Kingdom in the past 72 hours is £385. The best return flight deal from United Kingdom to San Antonio found on momondo in the last 72 hours is £565.

The fastest flight from United Kingdom to San Antonio takes 14h 53m

There are no direct flights from United Kingdom to San Antonio. There are no popular flight routes from United Kingdom to San Antonio.

Search flight deals

Frequently asked questions about flying from the United Kingdom to San Antonio

When did momondo last update prices for flights from United Kingdom to San Antonio Airport?
Prices for flights from United Kingdom to San Antonio Airport refresh daily.
How many operators does momondo search for flights from United Kingdom to San Antonio Airport?
There are 5 operators available for flights from United Kingdom to San Antonio Airport as of September 2026.
How old do you have to be to fly from United Kingdom to San Antonio 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 United Kingdom to San Antonio Airport.
What documentation or ID do you need to fly to San Antonio Airport?
The necessary travel and health documents for your San Antonio Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from United Kingdom to San Antonio

Compare and see reviews for airlines that fly from United Kingdom to San Antonio with momondo

Airline	Rating	Free Cancellation	Price
Scandinavian Airlines	PriceFrom £539	Free Cancellation	Rating 7.4 1,998 reviews	Search Scandinavian Airlines flights
Lufthansa	PriceFrom £766	Free Cancellation	Rating 6.8 8,247 reviews	Search Lufthansa flights
British Airways	PriceFrom £777	Free Cancellation	Rating 6.7 8,238 reviews	Search British Airways flights
Virgin Atlantic	PriceFrom £785	Free Cancellation	Rating 7.4 694 reviews	Search Virgin Atlantic flights
Aer Lingus	PriceFrom £900	Free Cancellation	Rating 7.3 1,794 reviews	Search Aer Lingus flights

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Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from United Kingdom to San Antonio. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to San Antonio from United Kingdom which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential United Kingdom to San Antonio flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to San Antonio from United Kingdom. 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.