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

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

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 63% of people opting to fly with this airline when travelling to San Antonio. Keep in mind that there are 13 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 Birmingham or Edinburgh, and flying into San Antonio, then you can expect flight times to average 13h 55m and 15h 59m, 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 7 operators available for flights from United Kingdom to San Antonio Airport as of March 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.

£292 Cheap Flights from the United Kingdom to San Antonio in 2026

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Find the cheapest flights from the United Kingdom to San Antonio

Round-trip

One-way

Last minute

Recent return flight deals from the United Kingdom to San Antonio

Enter your travel dates to find the best prices.

17:00 - 00:46

LHR

SAT

37h 46m

2 stops

15:33 - 16:00

SAT

LHR

42h 27m

2 stops

£667Scandinavian Airlines

Mon, 13 Apr - Mon, 4 May

14:00 - 18:59

LGW

SAT

34h 59m

2 stops

12:45 - 10:00

SAT

LGW

15h 15m

1 stop

£670Multiple Airlines

Wed, 3 Jun - Fri, 19 Jun

06:00 - 21:13

LHR

SAT

21h 13m

2 stops

10:38 - 06:25

SAT

LHR

13h 47m

1 stop

£682Multiple Airlines

Wed, 1 Jul - Wed, 22 Jul

05:55 - 22:55

BHX

SAT

23h 00m

2 stops

07:00 - 17:25

SAT

BHX

28h 25m

2 stops

£917Lufthansa

Mon, 11 May - Mon, 18 May

18:30 - 20:40

LCY

SAT

32h 10m

2 stops

12:09 - 17:55

SAT

LCY

23h 46m

2 stops

£921Lufthansa

Tue, 28 Apr - Tue, 5 May

20:45 - 21:30

LCY

SAT

30h 45m

2 stops

13:15 - 09:30

SAT

LCY

14h 15m

2 stops

£991KLM

Sun, 26 Apr - Sun, 3 May

19:15 - 20:56

LCY

SAT

31h 41m

2 stops

06:26 - 15:15

SAT

LCY

26h 49m

2 stops

£997Iberia

Mon, 13 Apr - Mon, 4 May

05:55 - 20:35

BHX

SAT

44h 40m

3 stops

07:00 - 17:25

SAT

BHX

28h 25m

2 stops

£1,072United Airlines

Mon, 11 May - Mon, 18 May

06:05 - 21:35

BHX

SAT

21h 30m

2 stops

06:40 - 09:50

SAT

BHX

21h 10m

2 stops

£1,163United Airlines

Thu, 14 May - Thu, 21 May

13:45 - 00:44

LCY

SAT

16h 59m

2 stops

12:10 - 07:15

SAT

LCY

37h 05m

2 stops

£3,173KLM

Sun, 17 May - Sun, 16 Aug

United Airlines flights from United Kingdom to San Antonio

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

United Airlines

14 Apr

LHR07:25London Heathrow

18h 23m

2 stops

SAT19:48San Antonio

21 Apr

SAT11:46San Antonio

15h 34m

2 stops

LHR09:20London Heathrow

£924

United Airlines

14 May

LHR07:25London Heathrow

19h 55m

2 stops

SAT21:20San Antonio

21 May

SAT08:30San Antonio

16h 05m

1 stop

LHR06:35London Heathrow

£940

United Airlines

7 Apr

LHR13:40London Heathrow

15h 19m

1 stop

SAT22:59San Antonio

20 Apr

SAT14:02San Antonio

12h 28m

1 stop

LHR08:30London Heathrow

£970

Delta flights from United Kingdom to San Antonio

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

Delta

13 May

LHR09:55London Heathrow

17h 37m

2 stops

SAT21:32San Antonio

20 May

SAT13:33San Antonio

16h 32m

1 stop

LHR12:05London Heathrow

£932

Delta

12 Apr

LHR08:40London Heathrow

19h 07m

2 stops

SAT21:47San Antonio

29 Apr

SAT10:42San Antonio

16h 08m

2 stops

LHR08:50London Heathrow

£962

Delta

12 Apr

LHR06:30London Heathrow

21h 17m

2 stops

SAT21:47San Antonio

29 Apr

SAT11:50San Antonio

16h 30m

2 stops

LHR10:20London Heathrow

£965

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 - SAT

LHRSAT

London Heathrow

Mon 13/4

17:00-00:46

2 stops37h 46m

San Antonio

Mon 4/5

15:33-16:00

2 stops42h 27m

£667

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Wed 3/6

14:00-18:59

2 stops34h 59m

San Antonio

Fri 19/6

12:45-10:00

1 stop15h 15m

£670

Fastest return journey

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 1/7

06:00-21:13

2 stops21h 13m

San Antonio

Wed 22/7

10:38-06:25

1 stop13h 47m

£682

BirminghamSan Antonio

BHX - SAT

BHXSAT

Birmingham

Mon 11/5

05:55-22:55

2 stops23h 00m

San Antonio

Mon 18/5

07:00-17:25

2 stops28h 25m

£917

LondonSan Antonio

LCY - SAT

LCYSAT

London City

Tue 28/4

18:30-20:40

2 stops32h 10m

San Antonio

Tue 5/5

12:09-17:55

2 stops23h 46m

£921

LondonSan Antonio

LCY - SAT

LCYSAT

London City

Sun 26/4

20:45-21:30

2 stops30h 45m

San Antonio

Sun 3/5

13:15-09:30

2 stops14h 15m

£991

LondonSan Antonio

LCY - SAT

LCYSAT

London City

Mon 13/4

19:15-20:56

2 stops31h 41m

San Antonio

Mon 4/5

06:26-15:15

2 stops26h 49m

£997

BirminghamSan Antonio

BHX - SAT

BHXSAT

Birmingham

Mon 11/5

05:55-20:35

3 stops44h 40m

San Antonio

Mon 18/5

07:00-17:25

2 stops28h 25m

£1,072

BirminghamSan Antonio

BHX - SAT

BHXSAT

Birmingham

Thu 14/5

06:05-21:35

2 stops21h 30m

San Antonio

Thu 21/5

06:40-09:50

2 stops21h 10m

£1,163

LondonSan Antonio

LCY - SAT

LCYSAT

London City

Sun 17/5

13:45-00:44

2 stops16h 59m

San Antonio

Sun 16/8

12:10-07:15

2 stops37h 05m

£3,173

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 £712. If you aren’t able to travel to San Antonio during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of £718.

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 £869 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 £718 on momondo.

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

You could potentially save up to 3% 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

Fastest flight time	13h 05m
Direct flights	None

The fastest flight from United Kingdom to San Antonio takes 13h 05m

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

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 7 operators available for flights from United Kingdom to San Antonio Airport as of March 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 £589	Free Cancellation	Rating 7.3 1,731 reviews	Search Scandinavian Airlines flights
Finnair	PriceFrom £594	Free Cancellation	Rating 7.7 1,376 reviews	Search Finnair flights
British Airways	PriceFrom £633	Free Cancellation	Rating 6.7 7,834 reviews	Search British Airways flights
United Airlines	PriceFrom £677	Free Cancellation	Rating 7.4 9,522 reviews	Search United Airlines flights
Virgin Atlantic	PriceFrom £699	Free Cancellation	Rating 7.5 685 reviews	Search Virgin Atlantic flights
Lufthansa	PriceFrom £718	Free Cancellation	Rating 6.8 7,879 reviews	Search Lufthansa flights
KLM	PriceFrom £731	Free Cancellation	Rating 7.8 1,480 reviews	Search KLM 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.