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

Delta, United Airlines, and Iberia are the most popular carriers operating from San Antonio to United Kingdom

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

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

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio Airport to United Kingdom.

What documentation or ID do you need to fly to United Kingdom?

The travel and health documents you'll need for your trip to United Kingdom may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United Kingdom. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£210 Cheap Flights from San Antonio to the United Kingdom in 2026

Find the cheapest flights from San Antonio to the United Kingdom

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

08:50 - 08:05SAT San Antonio-LHR London Heathrow

17h 15m2 stops Toronto Pearson Intl Dublin

09:50 - 21:13LHR London Heathrow-SAT San Antonio

17h 23m2 stops Dublin Toronto Pearson Intl

£379Aer Lingus

Tue, 22 Sep - Fri, 25 Sep

08:50 - 08:05SAT San Antonio-LHR London Heathrow

17h 15m2 stops Toronto Pearson Intl Dublin

09:50 - 21:13LHR London Heathrow-SAT San Antonio

17h 23m2 stops Dublin Toronto Pearson Intl

£416Aer Lingus

Tue, 22 Sep - Mon, 28 Sep

08:50 - 08:05SAT San Antonio-LHR London Heathrow

17h 15m2 stops Toronto Pearson Intl Dublin

09:50 - 21:13LHR London Heathrow-SAT San Antonio

17h 23m2 stops Dublin Toronto Pearson Intl

£453Aer Lingus

Thu, 24 Sep - Mon, 28 Sep

08:50 - 08:05SAT San Antonio-LHR London Heathrow

17h 15m2 stops Toronto Pearson Intl Dublin

09:50 - 21:13LHR London Heathrow-SAT San Antonio

17h 23m2 stops Dublin Toronto Pearson Intl

£496Aer Lingus

Thu, 27 Aug - Mon, 14 Sep

08:50 - 08:05SAT San Antonio-LHR London Heathrow

17h 15m2 stops Toronto Pearson Intl Dublin

09:50 - 21:13LHR London Heathrow-SAT San Antonio

17h 23m2 stops Dublin Toronto Pearson Intl

£497Aer Lingus

Thu, 27 Aug - Mon, 14 Sep

05:30 - 11:15SAT San Antonio-LHR London Heathrow

23h 45m3 stops Houston George Bush Intcntl Los Angeles Los Angeles San Francisco

07:30 - 20:53LHR London Heathrow-SAT San Antonio

19h 23m2 stops Frankfurt am Main Denver Intl

£558United Airlines

Tue, 17 Nov - Thu, 19 Nov

12:10 - 17:00SAT San Antonio-MAN Manchester

22h 50m2 stops Washington, D.C. Dulles Intl Frankfurt am Main

11:30 - 13:03MAN Manchester-SAT San Antonio

31h 33m2 stops Toronto Pearson Intl Houston George Bush Intcntl

£576United Airlines

Tue, 12 Jan - Thu, 14 Jan

09:25 - 10:00SAT San Antonio-LGW London Gatwick

42h 35m2 stops Raleigh-Durham Orlando

14:00 - 09:10LGW London Gatwick-SAT San Antonio

25h 10m1 stop Orlando

£578Multiple Airlines

Sun, 27 Sep - Sun, 4 Oct

10:05 - 10:00SAT San Antonio-LGW London Gatwick

17h 55m1 stop Orlando

14:00 - 13:48LGW London Gatwick-SAT San Antonio

29h 48m2 stops Orlando Las Vegas Harry Reid Intl

£579Multiple Airlines

Mon, 28 Sep - Fri, 2 Oct

10:05 - 10:00SAT San Antonio-LGW London Gatwick

17h 55m1 stop Orlando

14:00 - 11:58LGW London Gatwick-SAT San Antonio

27h 58m2 stops Orlando Memphis

£585Multiple Airlines

Mon, 28 Sep - Thu, 1 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

13:00 - 08:20SAT San Antonio-LHR London Heathrow

13h 20m1 stop Newark

17:55 - 16:31LHR London Heathrow-SAT San Antonio

28h 36m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

£768United Airlines

Wed, 19 Aug - Mon, 31 Aug

17:27 - 18:40SAT San Antonio-LHR London Heathrow

19h 13m2 stops Chicago O'Hare Intl Frankfurt am Main

18:30 - 17:43LHR London Heathrow-SAT San Antonio

29h 13m2 stops Frankfurt am Main Houston George Bush Intcntl

£779Lufthansa

Wed, 19 Aug - Mon, 31 Aug

06:30 - 06:30SAT San Antonio-LHR London Heathrow

18h 00m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

18:30 - 17:43LHR London Heathrow-SAT San Antonio

29h 13m2 stops Frankfurt am Main Houston George Bush Intcntl

£785Multiple Airlines

Wed, 19 Aug - Mon, 31 Aug

13:45 - 17:05SAT San Antonio-MAN Manchester

21h 20m2 stops Denver Intl Munich Franz Josef Strauss

07:00 - 20:52MAN Manchester-SAT San Antonio

19h 52m2 stops Munich Franz Josef Strauss Denver Intl

£786Lufthansa

Tue, 18 Aug - Tue, 15 Sep

07:35 - 06:30SAT San Antonio-LHR London Heathrow

16h 55m3 stops Houston George Bush Intcntl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

06:50 - 21:13LHR London Heathrow-SAT San Antonio

20h 23m2 stops Brussels Bruxelles-National Toronto Pearson Intl

£802Air Canada

Wed, 19 Aug - Mon, 31 Aug

08:50 - 07:55SAT San Antonio-BRS Bristol

17h 05m2 stops Toronto Pearson Intl Dublin

20:25 - 00:48BRS Bristol-SAT San Antonio

34h 23m2 stops Dublin Chicago O'Hare Intl

£809Aer Lingus

Tue, 18 Aug - Mon, 24 Aug

09:10 - 17:35SAT San Antonio-MAN Manchester

26h 25m3 stops Denver Intl Washington, D.C. Dulles Intl Frankfurt am Main

10:35 - 23:57MAN Manchester-SAT San Antonio

19h 22m2 stops Munich Franz Josef Strauss Denver Intl

£811United Airlines

Tue, 18 Aug - Wed, 2 Sep

09:10 - 10:25SAT San Antonio-MAN Manchester

43h 15m3 stops Denver Intl Washington, D.C. Dulles Intl Brussels Bruxelles-National

06:05 - 16:31MAN Manchester-SAT San Antonio

16h 26m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

£813United Airlines

Tue, 18 Aug - Wed, 2 Sep

12:55 - 08:30SAT San Antonio-LHR London Heathrow

13h 35m1 stop Chicago O'Hare Intl

08:30 - 21:13LHR London Heathrow-SAT San Antonio

18h 43m1 stop Toronto Pearson Intl

£816United Airlines

Wed, 19 Aug - Mon, 31 Aug

12:55 - 08:30SAT San Antonio-LHR London Heathrow

13h 35m1 stop Chicago O'Hare Intl

08:30 - 21:13LHR London Heathrow-SAT San Antonio

18h 43m1 stop Toronto Pearson Intl

£816United Airlines

Wed, 19 Aug - Mon, 31 Aug

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Aer Lingus flights from San Antonio to United Kingdom

Our best Aer Lingus deals on San Antonio to United Kingdom flight tickets

Aer Lingus

22 Sept

SAT08:50San Antonio

17h 15m

2 stops

LHR08:05London Heathrow

25 Sept

LHR09:50London Heathrow

17h 23m

2 stops

SAT21:13San Antonio

£379

Aer Lingus

22 Sept

SAT08:50San Antonio

17h 15m

2 stops

LHR08:05London Heathrow

28 Sept

LHR09:50London Heathrow

17h 23m

2 stops

SAT21:13San Antonio

£416

Aer Lingus

24 Sept

SAT08:50San Antonio

17h 15m

2 stops

LHR08:05London Heathrow

28 Sept

LHR09:50London Heathrow

17h 23m

2 stops

SAT21:13San Antonio

£453

United Airlines flights from San Antonio to United Kingdom

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

United Airlines

17 Nov

SAT05:30San Antonio

23h 45m

3 stops

LHR11:15London Heathrow

19 Nov

LHR07:30London Heathrow

19h 23m

2 stops

SAT20:53San Antonio

£558

United Airlines

12 Jan

SAT12:10San Antonio

22h 50m

2 stops

MAN17:00Manchester

14 Jan

MAN11:30Manchester

31h 33m

2 stops

SAT13:03San Antonio

£576

United Airlines

12 Jan

SAT07:30San Antonio

20h 50m

2 stops

MAN10:20Manchester

14 Jan

MAN06:10Manchester

22h 48m

2 stops

SAT22:58San Antonio

£590

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

San AntonioLondon

SAT San Antonio - LHR London Heathrow

SATLHR

San Antonio

Tue 22/9

08:50-08:05

2 stops17h 15m

London Heathrow

Fri 25/9

09:50-21:13

2 stops17h 23m

£379

San AntonioLondon

SAT San Antonio - LHR London Heathrow

SATLHR

San Antonio

Tue 22/9

08:50-08:05

2 stops17h 15m

London Heathrow

Mon 28/9

09:50-21:13

2 stops17h 23m

£416

San AntonioLondon

SAT San Antonio - LHR London Heathrow

SATLHR

San Antonio

Thu 24/9

08:50-08:05

2 stops17h 15m

London Heathrow

Mon 28/9

09:50-21:13

2 stops17h 23m

£453

San AntonioLondon

SAT San Antonio - LHR London Heathrow

SATLHR

San Antonio

Thu 27/8

08:50-08:05

2 stops17h 15m

London Heathrow

Mon 14/9

09:50-21:13

2 stops17h 23m

£496

San AntonioLondon

SAT San Antonio - LHR London Heathrow

SATLHR

San Antonio

Thu 27/8

08:50-08:05

2 stops17h 15m

London Heathrow

Mon 14/9

09:50-21:13

2 stops17h 23m

£497

San AntonioLondon

SAT San Antonio - LHR London Heathrow

SATLHR

San Antonio

Tue 17/11

05:30-11:15

3 stops23h 45m

London Heathrow

Thu 19/11

07:30-20:53

2 stops19h 23m

£558

San AntonioManchester

SAT San Antonio - MAN Manchester

SATMAN

San Antonio

Tue 12/1

12:10-17:00

2 stops22h 50m

Manchester

Thu 14/1

11:30-13:03

2 stops31h 33m

£576

San AntonioLondon

SAT San Antonio - LGW London Gatwick

SATLGW

San Antonio

Sun 27/9

09:25-10:00

2 stops42h 35m

London Gatwick

Sun 4/10

14:00-09:10

1 stop25h 10m

£578

San AntonioLondon

SAT San Antonio - LGW London Gatwick

SATLGW

San Antonio

Mon 28/9

10:05-10:00

1 stop17h 55m

London Gatwick

Fri 2/10

14:00-13:48

2 stops29h 48m

£579

San AntonioLondon

SAT San Antonio - LGW London Gatwick

SATLGW

San Antonio

Mon 28/9

10:05-10:00

1 stop17h 55m

London Gatwick

Thu 1/10

14:00-11:58

2 stops27h 58m

£585

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 San Antonio to United Kingdom

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

What is the cheapest month to fly to United Kingdom?

The cheapest month to fly to United Kingdom from San Antonio is in February. Flight prices, which tend to average around £509, are often lower during this time because this is during the off-season. If you are unable to visit United Kingdom during the month of February, then departing from San Antonio during the month October is also very affordable. Most momondo users find prices during this month for around £584.

How far in advance should I book a flight from San Antonio to the United Kingdom?

You are more likely to see cheaper flights to United Kingdom from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to United Kingdom for around £710 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United Kingdom from San Antonio for as low as £491 on momondo.

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

You could potentially save up to 27% on your flight if you consider stops on a San Antonio to United Kingdom flight.

Cheap San Antonio to United Kingdom flight deals and tips

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

Fastest flight time	13h 05m
Direct flights	None

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

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

Search flight deals

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

When did momondo last update prices for flights from San Antonio Airport to United Kingdom?
Prices for flights from San Antonio Airport to United Kingdom refresh daily.
How old do you have to be to fly from San Antonio Airport to United Kingdom?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio Airport to United Kingdom.
What documentation or ID do you need to fly to United Kingdom?
The travel and health documents you'll need for your trip to United Kingdom may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at United Kingdom. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

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

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

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

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

momondo provides multiple filters to help you find the best flight to United Kingdom 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 United Kingdom right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to United Kingdom 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.