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

Delta, United Airlines, and KLM 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.

£218 Cheap Flights from San Antonio to the United Kingdom in 2026/27

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.

14:00 - 07:10SAT San Antonio-LHR London Heathrow

35h 10m2 stops Chicago O'Hare Intl Montreal Pierre Elliott Trudeau Intl

06:35 - 20:45LHR London Heathrow-SAT San Antonio

20h 10m2 stops Munich Franz Josef Strauss Denver Intl

£581Multiple Airlines

Tue, 12 Jan - Fri, 15 Jan

10:20 - 10:20SAT San Antonio-MAN Manchester

18h 00m2 stops Chicago O'Hare Intl Brussels Bruxelles-National

06:10 - 20:57MAN Manchester-SAT San Antonio

20h 47m2 stops Brussels Bruxelles-National Washington, D.C. Dulles Intl

£585United Airlines

Wed, 20 Jan - Fri, 22 Jan

16:43 - 09:40SAT San Antonio-LHR London Heathrow

34h 57m1 stop Denver Intl

07:40 - 20:45LHR London Heathrow-SAT San Antonio

19h 05m2 stops Munich Franz Josef Strauss Denver Intl

£614Lufthansa

Tue, 12 Jan - Fri, 15 Jan

14:05 - 12:00SAT San Antonio-LHR London Heathrow

15h 55m1 stop Dallas/Fort Worth

19:40 - 08:30LHR London Heathrow-SAT San Antonio

18h 50m2 stops Madrid Barajas Dallas/Fort Worth

£640Iberia

Mon, 8 Feb - Mon, 22 Feb

08:04 - 11:55SAT San Antonio-LHR London Heathrow

21h 51m2 stops Chicago O'Hare Intl Madrid Barajas

19:05 - 08:30LHR London Heathrow-SAT San Antonio

19h 25m2 stops Madrid Barajas Dallas/Fort Worth

£646Iberia

Mon, 8 Feb - Mon, 22 Feb

12:46 - 06:50SAT San Antonio-LHR London Heathrow

12h 04m1 stop Dallas/Fort Worth

06:05 - 19:42LHR London Heathrow-SAT San Antonio

19h 37m2 stops Madrid Barajas Dallas/Fort Worth

£660Iberia

Wed, 24 Feb - Tue, 2 Mar

14:08 - 12:00SAT San Antonio-LHR London Heathrow

15h 52m1 stop Dallas/Fort Worth

07:35 - 19:42LHR London Heathrow-SAT San Antonio

18h 07m2 stops Madrid Barajas Dallas/Fort Worth

£660Iberia

Wed, 24 Feb - Wed, 3 Mar

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

17h 00m2 stops Houston George Bush Intcntl Montreal Pierre Elliott Trudeau Intl

09:30 - 21:07LHR London Heathrow-SAT San Antonio

17h 37m2 stops Frankfurt am Main Denver Intl

£660Multiple Airlines

Sun, 28 Mar - Fri, 9 Apr

14:10 - 09:00SAT San Antonio-LHR London Heathrow

12h 50m1 stop Atlanta Hartsfield-Jackson

11:45 - 23:20LHR London Heathrow-SAT San Antonio

17h 35m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

£665Delta

Sun, 17 Jan - Fri, 22 Jan

14:08 - 12:05SAT San Antonio-LHR London Heathrow

15h 57m2 stops Dallas/Fort Worth Madrid Barajas

07:30 - 19:42LHR London Heathrow-SAT San Antonio

18h 12m2 stops Madrid Barajas Dallas/Fort Worth

£667Iberia

Wed, 24 Feb - Tue, 2 Mar

Cheap last-minute flights

Enter your travel dates to find the best prices.

07:50 - 07:15SAT San Antonio-LHR London Heathrow

17h 25m1 stop Atlanta Hartsfield-Jackson

10:00 - 23:07LHR London Heathrow-SAT San Antonio

18h 07m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

£727Delta

Tue, 20 Oct - Tue, 27 Oct

06:50 - 07:10SAT San Antonio-LHR London Heathrow

18h 20m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County

08:40 - 23:07LHR London Heathrow-SAT San Antonio

19h 27m2 stops Amsterdam Schiphol Detroit Metropolitan Wayne County

£730Delta

Tue, 20 Oct - Tue, 27 Oct

11:36 - 07:10SAT San Antonio-LHR London Heathrow

13h 34m1 stop Detroit Metropolitan Wayne County

10:55 - 00:13LHR London Heathrow-SAT San Antonio

18h 18m1 stop Los Angeles

£748Air France

Tue, 20 Oct - Tue, 27 Oct

12:46 - 09:05SAT San Antonio-LHR London Heathrow

14h 19m1 stop Dallas/Fort Worth

08:20 - 18:33LHR London Heathrow-SAT San Antonio

15h 13m1 stop Dallas/Fort Worth

£749American Airlines

Tue, 20 Oct - Tue, 27 Oct

13:41 - 21:40SAT San Antonio-LHR London Heathrow

25h 59m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen

17:00 - 00:33LHR London Heathrow-SAT San Antonio

36h 33m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson

£751Scandinavian Airlines

Tue, 20 Oct - Tue, 27 Oct

13:41 - 07:15SAT San Antonio-LHR London Heathrow

11h 34m1 stop Atlanta Hartsfield-Jackson

09:40 - 23:07LHR London Heathrow-SAT San Antonio

18h 27m2 stops Boston Logan Intl Detroit Metropolitan Wayne County

£752Virgin Atlantic

Tue, 20 Oct - Tue, 27 Oct

14:05 - 09:05SAT San Antonio-LHR London Heathrow

13h 00m1 stop Dallas/Fort Worth

16:25 - 23:59LHR London Heathrow-SAT San Antonio

13h 34m1 stop Dallas/Fort Worth

£786American Airlines

Fri, 16 Oct - Fri, 23 Oct

13:42 - 13:05SAT San Antonio-LHR London Heathrow

17h 23m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul

12:25 - 21:10LHR London Heathrow-SAT San Antonio

14h 45m1 stop Minneapolis St Paul

£790Delta

Fri, 16 Oct - Fri, 23 Oct

13:42 - 12:05SAT San Antonio-LHR London Heathrow

16h 23m2 stops Atlanta Hartsfield-Jackson New York John F Kennedy Intl

11:30 - 23:07LHR London Heathrow-SAT San Antonio

17h 37m2 stops Paris Charles de Gaulle Detroit Metropolitan Wayne County

£796Delta

Fri, 16 Oct - Fri, 23 Oct

16:17 - 21:20SAT San Antonio-LHR London Heathrow

23h 03m2 stops Houston George Bush Intcntl Newark

06:50 - 16:31LHR London Heathrow-SAT San Antonio

15h 41m2 stops Brussels Bruxelles-National Chicago O'Hare Intl

£835United Airlines

Sat, 17 Oct - Mon, 19 Oct

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Iberia flights from San Antonio to United Kingdom

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

Iberia

8 Feb

SAT14:05San Antonio

15h 55m

1 stop

LHR12:00London Heathrow

22 Feb

LHR19:40London Heathrow

18h 50m

2 stops

SAT08:30San Antonio

£640

Iberia

8 Feb

SAT08:04San Antonio

21h 51m

2 stops

LHR11:55London Heathrow

22 Feb

LHR19:05London Heathrow

19h 25m

2 stops

SAT08:30San Antonio

£646

Iberia

24 Feb

SAT12:46San Antonio

12h 04m

1 stop

LHR06:50London Heathrow

2 Mar

LHR06:05London Heathrow

19h 37m

2 stops

SAT19:42San Antonio

£660

Delta flights from San Antonio to United Kingdom

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

Delta

17 Jan

SAT14:10San Antonio

12h 50m

1 stop

LHR09:00London Heathrow

22 Jan

LHR11:45London Heathrow

17h 35m

2 stops

SAT23:20San Antonio

£665

Delta

17 Jan

SAT16:00San Antonio

15h 45m

2 stops

LHR13:45London Heathrow

22 Jan

LHR06:30London Heathrow

16h 48m

2 stops

SAT17:18San Antonio

£669

Delta

11 Nov

SAT12:57San Antonio

14h 28m

1 stop

LHR09:25London Heathrow

18 Nov

LHR10:00London Heathrow

18h 54m

2 stops

SAT22:54San Antonio

£689

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

San AntonioLondon

SAT San Antonio - LHR London Heathrow

SATLHR

San Antonio

Tue 12/1

14:00-07:10

2 stops35h 10m

London Heathrow

Fri 15/1

06:35-20:45

2 stops20h 10m

£581

San AntonioManchester

SAT San Antonio - MAN Manchester

SATMAN

San Antonio

Wed 20/1

10:20-10:20

2 stops18h 00m

Manchester

Fri 22/1

06:10-20:57

2 stops20h 47m

£585

San AntonioLondon

SAT San Antonio - LHR London Heathrow

SATLHR

San Antonio

Tue 12/1

16:43-09:40

1 stop34h 57m

London Heathrow

Fri 15/1

07:40-20:45

2 stops19h 05m

£614

San AntonioLondon

SAT San Antonio - LHR London Heathrow

SATLHR

San Antonio

Mon 8/2

14:05-12:00

1 stop15h 55m

London Heathrow

Mon 22/2

19:40-08:30

2 stops18h 50m

£640

San AntonioLondon

SAT San Antonio - LHR London Heathrow

SATLHR

San Antonio

Mon 8/2

08:04-11:55

2 stops21h 51m

London Heathrow

Mon 22/2

19:05-08:30

2 stops19h 25m

£646

San AntonioLondon

SAT San Antonio - LHR London Heathrow

SATLHR

San Antonio

Wed 24/2

12:46-06:50

1 stop12h 04m

London Heathrow

Tue 2/3

06:05-19:42

2 stops19h 37m

£660

San AntonioLondon

SAT San Antonio - LHR London Heathrow

SATLHR

San Antonio

Wed 24/2

14:08-12:00

1 stop15h 52m

London Heathrow

Wed 3/3

07:35-19:42

2 stops18h 07m

£660

San AntonioLondon

SAT San Antonio - LHR London Heathrow

SATLHR

San Antonio

Sun 28/3

07:30-06:30

2 stops17h 00m

London Heathrow

Fri 9/4

09:30-21:07

2 stops17h 37m

£660

Fastest return journey

San AntonioLondon

SAT San Antonio - LHR London Heathrow

SATLHR

San Antonio

Sun 17/1

14:10-09:00

1 stop12h 50m

London Heathrow

Fri 22/1

11:45-23:20

2 stops17h 35m

£665

San AntonioLondon

SAT San Antonio - LHR London Heathrow

SATLHR

San Antonio

Wed 24/2

14:08-12:05

2 stops15h 57m

London Heathrow

Tue 2/3

07:30-19:42

2 stops18h 12m

£667

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 £517, 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 January is also very affordable. Most momondo users find prices during this month for around £627.

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 £766 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 £523 on momondo.

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

You could potentially save up to 53% 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

Best price found	£218
Fastest flight time	12h 25m
Direct flights	None

The best one-way flight to United Kingdom from San Antonio in the past 72 hours is £218. The best return flight deal from San Antonio to United Kingdom found on momondo in the last 72 hours is £581.

The fastest flight from San Antonio to United Kingdom takes 12h 25m

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.