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

British Airways, KLM, and American Airlines are the most popular carriers operating from United Kingdom to San Antonio

Which airlines fly to San Antonio?

British Airways, Virgin Atlantic and Finnair 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 57% of people opting to fly with this airline when travelling to San Antonio. Keep in mind that there are 11 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.

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 13h 45m and 13h 50m, respectively.

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 8 operators available for flights from United Kingdom to San Antonio Airport as of October 2025.

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.

£240 Cheap Flights from the United Kingdom to San Antonio in 2025/26

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Find the cheapest flights from the United Kingdom to San Antonio

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Recent return flight deals from the United Kingdom to San Antonio

Enter your travel dates to find the best prices.

14:00 - 15:59LGW-SAT

31h 59m1 stop

12:45 - 10:00SAT-LGW

15h 15m1 stop

£388Multiple Airlines

Find Deal

Mon, 24 Nov - Mon, 8 Dec

14:00 - 15:59LGW-SAT

31h 59m1 stop

12:45 - 10:05SAT-LGW

15h 20m1 stop

£404Multiple Airlines

Find Deal

Mon, 24 Nov - Sat, 6 Dec

14:00 - 11:50LGW-SAT

27h 50m1 stop

12:45 - 10:05SAT-LGW

15h 20m1 stop

£408Multiple Airlines

Find Deal

Sat, 6 Dec - Sat, 13 Dec

06:40 - 00:20LHR-SAT

23h 40m2 stops

14:46 - 16:00SAT-LHR

19h 14m2 stops

£592Scandinavian Airlines

Find Deal

Thu, 6 Nov - Fri, 14 Nov

19:30 - 00:17LHR-SAT

34h 47m2 stops

13:06 - 16:00SAT-LHR

20h 54m2 stops

£627Scandinavian Airlines

Find Deal

Mon, 24 Nov - Mon, 8 Dec

06:30 - 20:21LHR-SAT

19h 51m2 stops

16:52 - 11:40SAT-LHR

12h 48m1 stop

£800Virgin Atlantic

Find Deal

Mon, 24 Nov - Mon, 8 Dec

10:05 - 17:00LHR-SAT

12h 55m1 stop

18:20 - 06:55SAT-LHR

30h 35m1 stop

£819British Airways

Find Deal

Wed, 19 Nov - Sun, 23 Nov

07:50 - 20:53LCY-SAT

19h 03m2 stops

12:55 - 14:05SAT-LCY

19h 10m2 stops

£890British Airways

Find Deal

Thu, 4 Dec - Thu, 11 Dec

09:50 - 18:11GLA-SAT

38h 21m2 stops

14:41 - 10:45SAT-GLA

38h 04m2 stops

£975Finnair

Find Deal

Tue, 23 Dec - Sun, 1 Mar

19:10 - 18:11GLA-SAT

29h 01m2 stops

14:41 - 20:25SAT-GLA

23h 44m2 stops

£1,013Finnair

Find Deal

Tue, 23 Dec - Sat, 7 Mar

Iberia flights from United Kingdom to San Antonio

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

Iberia

6 Nov

GLA20:20Glasgow Intl

29h 50m

2 stops

SAT20:10San Antonio

9 Nov

SAT15:00San Antonio

36h 50m

2 stops

GLA09:50Glasgow Intl

£957

Find similar

Iberia

18 Dec

LCY07:50London City

17h 31m

2 stops

SAT19:21San Antonio

3 Jan

SAT11:26San Antonio

39h 24m

2 stops

LCY08:50London City

£1,815

Find similar

Iberia

18 Dec

LCY07:50London City

17h 31m

2 stops

SAT19:21San Antonio

4 Jan

SAT11:26San Antonio

21h 09m

2 stops

LCY14:35London City

£1,884

Find similar

Air Canada flights from United Kingdom to San Antonio

Our best Air Canada deals on United Kingdom to San Antonio flight tickets

Air Canada

19 Nov

LHR13:25London Heathrow

36h 50m

2 stops

SAT20:15San Antonio

23 Nov

SAT17:13San Antonio

31h 57m

2 stops

LHR07:10London Heathrow

£799

Find similar

Air Canada

14 Mar

LHR13:25London Heathrow

28h 48m

2 stops

SAT13:13San Antonio

26 Mar

SAT10:00San Antonio

16h 10m

2 stops

LHR07:10London Heathrow

£822

Find similar

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

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Mon 24/11

14:00-15:59

1 stop31h 59m

San Antonio

Mon 8/12

12:45-10:00

1 stop15h 15m

£388

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Mon 24/11

14:00-15:59

1 stop31h 59m

San Antonio

Sat 6/12

12:45-10:05

1 stop15h 20m

£404

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Sat 6/12

14:00-11:50

1 stop27h 50m

San Antonio

Sat 13/12

12:45-10:05

1 stop15h 20m

£408

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Thu 6/11

06:40-00:20

2 stops23h 40m

San Antonio

Fri 14/11

14:46-16:00

2 stops19h 14m

£592

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Mon 24/11

19:30-00:17

2 stops34h 47m

San Antonio

Mon 8/12

13:06-16:00

2 stops20h 54m

£627

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Mon 24/11

06:30-20:21

2 stops19h 51m

San Antonio

Mon 8/12

16:52-11:40

1 stop12h 48m

£800

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 19/11

10:05-17:00

1 stop12h 55m

San Antonio

Sun 23/11

18:20-06:55

1 stop30h 35m

£819

LondonSan Antonio

LCY - SAT

LCYSAT

London City

Thu 4/12

07:50-20:53

2 stops19h 03m

San Antonio

Thu 11/12

12:55-14:05

2 stops19h 10m

£890

GlasgowSan Antonio

GLA - SAT

GLASAT

Glasgow Intl

Tue 23/12

09:50-18:11

2 stops38h 21m

San Antonio

Sun 1/3

14:41-10:45

2 stops38h 04m

£975

GlasgowSan Antonio

GLA - SAT

GLASAT

Glasgow Intl

Tue 23/12

19:10-18:11

2 stops29h 01m

San Antonio

Sat 7/3

14:41-20:25

2 stops23h 44m

£1,012

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 £544. If you aren’t able to travel to San Antonio during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of £571.

What is the cheapest day to depart on your flight to San Antonio?

According to our data, Wednesday is the cheapest day to fly to San Antonio from United Kingdom. The lowest ticket price found for a Wednesday departure recently was £625. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from United Kingdom to San Antonio for around £696.

What is the cheapest time of day to depart on your flight to San Antonio?

At midday is the cheapest time of day to fly from United Kingdom to San Antonio when you can find flight prices for as low as £621. Flying to San Antonio at midday is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around £697. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 £781 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 £642 on momondo.

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

You could potentially save up to 12% 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

Direct flights	None

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

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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 8 operators available for flights from United Kingdom to San Antonio Airport as of October 2025.
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
Finnair	PriceFrom £509	Free Cancellation	Rating 7.6 1,333 reviews	Search Finnair flights
Iberia	PriceFrom £537	Free Cancellation	Rating 7.0 2,997 reviews	Search Iberia flights
Scandinavian Airlines	PriceFrom £581	Free Cancellation	Rating 7.4 1,535 reviews	Search Scandinavian Airlines flights
British Airways	PriceFrom £627	Free Cancellation	Rating 6.7 7,467 reviews	Search British Airways flights
Virgin Atlantic	PriceFrom £677	Free Cancellation	Rating 7.5 670 reviews	Search Virgin Atlantic flights
United Airlines	PriceFrom £691	Free Cancellation	Rating 7.4 8,991 reviews	Search United Airlines flights
Lufthansa	PriceFrom £711	Free Cancellation	Rating 6.8 7,514 reviews	Search Lufthansa flights
KLM	PriceFrom £724	Free Cancellation	Rating 7.7 1,404 reviews	Search KLM flights

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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.