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

Lufthansa and Delta are the most popular carriers operating from London to San Antonio

Which stopover airport has the shortest connection time from London to San Antonio?

Charlotte (CLT) has the shortest average stopover time for this route: 1h 05m.

Which airlines fly to San Antonio?

British Airways, Lufthansa and American Airlines are the top three most popular airlines that fly to San Antonio from London according to our data. British Airways is the first choice among our users, with 78% of people opting to fly with this airline when travelling to San Antonio. Keep in mind that there are 10 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular for stopovers for flights between London and San Antonio?

Dallas (DFW) was the most common stop: 43% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport offers the lowest fares from London to San Antonio?

Flights via Charlotte (CLT) offer the lowest average return price of £794.

Which stopover airport has the shortest travel time from London to San Antonio?

Flights connecting via Atlanta (ATL) have the shortest average one-way travel time: 13h 08m.

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

Prices for flights from London to San Antonio Airport are updated daily.

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

As of September 2026, there are 5 operators available to choose from for flights from London to San Antonio Airport.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London to San Antonio Airport.

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

The travel and health documents you'll need for your trip to San Antonio Airport 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 San Antonio Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£403 Cheap Flights from London to San Antonio in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from London to San Antonio

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

18:40 - 22:27LHR London Heathrow-SAT San Antonio

33h 47m2 stops Kastrup Copenhagen Atlanta Hartsfield-Jackson

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

20h 20m2 stops Los Angeles Kastrup Copenhagen

£587Scandinavian Airlines

Tue, 2 Feb - Fri, 19 Feb

08:30 - 22:13LHR London Heathrow-SAT San Antonio

19h 43m1 stop Toronto Pearson Intl

08:50 - 09:35SAT San Antonio-LHR London Heathrow

18h 45m1 stop Toronto Pearson Intl

£592Air Canada

Fri, 2 Oct - Sat, 17 Oct

10:20 - 23:18LHR London Heathrow-SAT San Antonio

18h 58m2 stops Kastrup Copenhagen Los Angeles

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

20h 20m2 stops Los Angeles Kastrup Copenhagen

£611Scandinavian Airlines

Fri, 12 Feb - Fri, 19 Feb

08:30 - 22:13LHR London Heathrow-SAT San Antonio

19h 43m1 stop Toronto Pearson Intl

08:50 - 09:55SAT San Antonio-LHR London Heathrow

19h 05m2 stops Toronto Pearson Intl Munich Franz Josef Strauss

£636Multiple Airlines

Fri, 2 Oct - Sat, 17 Oct

12:05 - 20:35LHR London Heathrow-SAT San Antonio

14h 30m1 stop Washington, D.C. Dulles Intl

14:15 - 10:15SAT San Antonio-LHR London Heathrow

14h 00m1 stop Houston George Bush Intcntl

£692United Airlines

Tue, 8 Dec - Thu, 14 Jan

11:35 - 21:07LHR London Heathrow-SAT San Antonio

15h 32m1 stop Denver Intl

13:25 - 12:00SAT San Antonio-LHR London Heathrow

16h 35m1 stop Chicago O'Hare Intl

£692United Airlines

Wed, 9 Dec - Wed, 13 Jan

11:25 - 20:42LHR London Heathrow-SAT San Antonio

15h 17m1 stop Denver Intl

13:17 - 07:25SAT San Antonio-LHR London Heathrow

36h 08m2 stops Denver Intl San Francisco

£874Lufthansa

Mon, 5 Oct - Sun, 11 Oct

16:00 - 00:28LHR London Heathrow-SAT San Antonio

14h 28m1 stop Atlanta Hartsfield-Jackson

18:15 - 11:40SAT San Antonio-LHR London Heathrow

11h 25m1 stop Atlanta Hartsfield-Jackson

£878Virgin Atlantic

Mon, 1 Feb - Sun, 28 Feb

10:45 - 21:06LHR London Heathrow-SAT San Antonio

16h 21m1 stop Salt Lake City

16:32 - 07:50SAT San Antonio-LHR London Heathrow

33h 18m1 stop Atlanta Hartsfield-Jackson

£883Virgin Atlantic

Sat, 14 Nov - Sun, 22 Nov

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

15h 18m1 stop Denver Intl

12:24 - 10:50SAT San Antonio-LHR London Heathrow

16h 26m1 stop Washington, D.C. Dulles Intl

£886Lufthansa

Mon, 2 Nov - Mon, 16 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

12:40 - 21:13LGW London Gatwick-SAT San Antonio

14h 33m1 stop Toronto Pearson Intl

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

17h 55m1 stop Orlando

£880Multiple Airlines

Fri, 18 Sep - Fri, 25 Sep

13:05 - 09:10LHR London Heathrow-SAT San Antonio

26h 05m2 stops Reykjavik Keflavik Intl Orlando

15:05 - 07:45SAT San Antonio-LHR London Heathrow

11h 40m1 stop Detroit Metropolitan Wayne County

£1,050Multiple Airlines

Thu, 17 Sep - Sat, 31 Oct

09:30 - 00:08LHR London Heathrow-SAT San Antonio

20h 38m3 stops Ottawa Toronto Pearson Intl Atlanta Hartsfield-Jackson

13:20 - 08:05SAT San Antonio-LHR London Heathrow

13h 45m1 stop New York John F Kennedy Intl

£1,085Multiple Airlines

Thu, 17 Sep - Sat, 31 Oct

22:30 - 10:15LHR London Heathrow-SAT San Antonio

17h 45m1 stop Mexico City Benito Juarez

20:20 - 10:50SAT San Antonio-LHR London Heathrow

33h 30m2 stops Denver Intl Reykjavik Keflavik Intl

£1,125Multiple Airlines

Tue, 15 Sep - Sat, 31 Oct

14:20 - 23:55LHR London Heathrow-SAT San Antonio

39h 35m2 stops Dublin Chicago O'Hare Intl

15:09 - 08:05SAT San Antonio-LHR London Heathrow

35h 56m2 stops Chicago O'Hare Intl Dublin

£1,131Aer Lingus

Tue, 15 Sep - Sat, 31 Oct

18:00 - 10:37LHR London Heathrow-SAT San Antonio

22h 37m2 stops Newark Houston George Bush Intcntl

09:48 - 06:45SAT San Antonio-LHR London Heathrow

14h 57m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

£1,180Lufthansa

Fri, 18 Sep - Fri, 25 Sep

08:00 - 16:31LHR London Heathrow-SAT San Antonio

14h 31m1 stop Chicago O'Hare Intl

16:50 - 12:25SAT San Antonio-LHR London Heathrow

13h 35m1 stop Denver Intl

£1,180Lufthansa

Fri, 18 Sep - Fri, 25 Sep

08:00 - 22:51LHR London Heathrow-SAT San Antonio

20h 51m1 stop Chicago O'Hare Intl

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

12h 20m1 stop Houston George Bush Intcntl

£1,209Lufthansa

Tue, 15 Sep - Sat, 31 Oct

10:00 - 17:44LHR London Heathrow-SAT San Antonio

13h 44m1 stop Houston George Bush Intcntl

13:52 - 09:40SAT San Antonio-LHR London Heathrow

14h 48m1 stop Denver Intl

£1,233Lufthansa

Thu, 17 Sep - Sat, 31 Oct

06:40 - 21:14LHR London Heathrow-SAT San Antonio

20h 34m3 stops Stockholm Arlanda Kastrup Copenhagen Atlanta Hartsfield-Jackson

10:59 - 13:35SAT San Antonio-LHR London Heathrow

20h 36m2 stops Atlanta Hartsfield-Jackson Kastrup Copenhagen

£1,535Scandinavian Airlines

Fri, 18 Sep - Fri, 25 Sep

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Scandinavian Airlines flights from London to San Antonio

Our best Scandinavian Airlines deals on London to San Antonio flight tickets

Scandinavian Airlines

2 Feb

LHR18:40London Heathrow

33h 47m

2 stops

SAT22:27San Antonio

19 Feb

SAT16:10San Antonio

20h 20m

2 stops

LHR18:30London Heathrow

£587

Scandinavian Airlines

5 Oct

LHR06:40London Heathrow

23h 28m

2 stops

SAT00:08San Antonio

11 Oct

SAT13:51San Antonio

25h 49m

2 stops

LHR21:40London Heathrow

£611

Scandinavian Airlines

17 Jan

LHR06:40London Heathrow

23h 48m

2 stops

SAT00:28San Antonio

31 Jan

SAT16:10San Antonio

19h 30m

2 stops

LHR17:40London Heathrow

£612

Lufthansa flights from London to San Antonio

Our best Lufthansa deals on London to San Antonio flight tickets

Lufthansa

5 Oct

LHR11:25London Heathrow

15h 17m

1 stop

SAT20:42San Antonio

11 Oct

SAT13:17San Antonio

36h 08m

2 stops

LHR07:25London Heathrow

£874

Lufthansa

2 Nov

LHR11:35London Heathrow

15h 18m

1 stop

SAT20:53San Antonio

16 Nov

SAT12:24San Antonio

16h 26m

1 stop

LHR10:50London Heathrow

£886

Lufthansa

23 Feb

LHR10:00London Heathrow

17h 13m

1 stop

SAT21:13San Antonio

4 Mar

SAT16:20San Antonio

11h 55m

1 stop

LHR10:15London Heathrow

£893

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

18:40-22:27

2 stops33h 47m

San Antonio

Fri 19/2

16:10-18:30

2 stops20h 20m

£587

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Fri 2/10

08:30-22:13

1 stop19h 43m

San Antonio

Sat 17/10

08:50-09:35

1 stop18h 45m

£592

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Fri 12/2

10:20-23:18

2 stops18h 58m

San Antonio

Fri 19/2

16:10-18:30

2 stops20h 20m

£611

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Fri 2/10

08:30-22:13

1 stop19h 43m

San Antonio

Sat 17/10

08:50-09:55

2 stops19h 05m

£636

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Tue 8/12

12:05-20:35

1 stop14h 30m

San Antonio

Thu 14/1

14:15-10:15

1 stop14h 00m

£692

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Wed 9/12

11:35-21:07

1 stop15h 32m

San Antonio

Wed 13/1

13:25-12:00

1 stop16h 35m

£692

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Mon 5/10

11:25-20:42

1 stop15h 17m

San Antonio

Sun 11/10

13:17-07:25

2 stops36h 08m

£874

Fastest return journey

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Mon 1/2

16:00-00:28

1 stop14h 28m

San Antonio

Sun 28/2

18:15-11:40

1 stop11h 25m

£878

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Sat 14/11

10:45-21:06

1 stop16h 21m

San Antonio

Sun 22/11

16:32-07:50

1 stop33h 18m

£883

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Mon 2/11

11:35-20:53

1 stop15h 18m

San Antonio

Mon 16/11

12:24-10:50

1 stop16h 26m

£886

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 London 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

Stopovers

What is the typical price of a round-trip flight between London and San Antonio?

Prices are currently low for flights on this route.

Typical prices usually range from £652 to £864.
The lowest price recently found on this route was £587.

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 London, with most prices found around £782. If you aren’t able to travel to San Antonio during the month of February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of £838.

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

You are more likely to see cheaper flights to San Antonio from London when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around £1,002 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 London for as low as £883 on momondo.

Can stopping save me money on London to San Antonio flights?

You could potentially save up to 31% on your flight if you consider stops on a London to San Antonio flight.

How have London to San Antonio flight prices changed over time?

As of September 2026, prices for London to San Antonio flights are approximately 24% more expensive when compared to flights at the same time last year.

When to book flights from London to San Antonio

Are you open to changing your travel dates? Check out the ideal times to fly from London to San Antonio according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap London to San Antonio (LON to SAT) flight deals and tips

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

Best price found	£403
Fastest flight time	13h 40m
Direct flights	None

The best one-way flight to San Antonio from London in the past 72 hours is £403. The best return flight deal from London to San Antonio found on momondo in the last 72 hours is £587.

The fastest flight from London to San Antonio takes 13h 40m

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

Search flight deals

Frequently asked questions about flying from London to San Antonio

How far is London to San Antonio by plane?
The straight-line distance from London to San Antonio is 4985.7 mi. Typically, this will take 13h 40m by plane in normal conditions.
When did momondo last update prices for flights from London to San Antonio Airport?
Prices for flights from London to San Antonio Airport are updated daily.
How many operators does momondo search for flights from London to San Antonio Airport?
As of September 2026, there are 5 operators available to choose from for flights from London to San Antonio Airport.
How old do you have to be to fly from London to San Antonio Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London to San Antonio Airport.
What documentation or ID do you need to fly to San Antonio Airport?
The travel and health documents you'll need for your trip to San Antonio Airport 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 San Antonio Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from London to San Antonio?
Based on momondo bookings for this flight route, the most popular airline on flight routes from London to San Antonio is British Airways (39% of total bookings). The next most popular airlines are Lufthansa (26%), Virgin Atlantic (16%), and Scandinavian Airlines (11%).

Best airlines flying from London to San Antonio

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom £242	Free Cancellation	Rating 7.4 10,215 reviews	Search United Airlines flights
Scandinavian Airlines	PriceFrom £554	Free Cancellation	Rating 7.4 1,984 reviews	Search Scandinavian Airlines flights
Lufthansa	PriceFrom £750	Free Cancellation	Rating 6.8 8,222 reviews	Search Lufthansa flights
British Airways	PriceFrom £760	Free Cancellation	Rating 6.7 8,220 reviews	Search British Airways flights
Virgin Atlantic	PriceFrom £859	Free Cancellation	Rating 7.4 694 reviews	Search Virgin Atlantic flights

New Braunfels

Why use momondo?

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

Finding the right flight to San Antonio from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Antonio quick and easy, saving you time and money.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to San Antonio.

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

Of course. momondo tracks the price of London to San Antonio flights. All you need is a valid email address and we will do the rest; it is that quick and easy.