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

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

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

Lufthansa and British Airways are the most popular carriers operating from London Heathrow to San Antonio

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

Flights via Charlotte (CLT) offer the lowest average return price of £804.

Which airlines fly to San Antonio?

British Airways, Lufthansa and Virgin Atlantic are the top three most popular airlines that fly to San Antonio from London Heathrow Airport according to our data. British Airways is the first choice among our users, with 74% 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.

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

Dallas (DFW) was the most common stop: 67% of momondo users choosing one-stop flights on this route connected there.

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

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 12h 58m.

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

Prices for flights from London Heathrow Airport to San Antonio Airport were last updated today.

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

As of March 2026, there are 6 operators available to choose from for flights from London Heathrow Airport to San Antonio Airport.

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

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

The travel and health documents required for your trip to San Antonio Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Antonio Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£403 Cheap Flights from London Heathrow Airport to San Antonio in 2026

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Find the cheapest flights from London Heathrow Airport to San Antonio

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

10:20 - 23:18

LHR

SAT

18h 58m

2 stops

12:10 - 18:30

SAT

LHR

24h 20m

2 stops

£634Scandinavian Airlines

Tue, 1 Sep - Tue, 8 Sep

17:00 - 00:15

LHR

SAT

37h 15m

2 stops

12:10 - 17:40

SAT

LHR

23h 30m

2 stops

£660Scandinavian Airlines

Wed, 2 Sep - Sun, 6 Sep

19:30 - 00:15

LHR

SAT

34h 45m

2 stops

12:10 - 17:40

SAT

LHR

23h 30m

2 stops

£669Scandinavian Airlines

Wed, 2 Sep - Sun, 6 Sep

06:40 - 23:18

LHR

SAT

22h 38m

2 stops

12:10 - 16:25

SAT

LHR

22h 15m

3 stops

£683Scandinavian Airlines

Tue, 1 Sep - Tue, 8 Sep

07:05 - 23:18

LHR

SAT

22h 13m

3 stops

12:10 - 16:25

SAT

LHR

22h 15m

3 stops

£686Scandinavian Airlines

Tue, 1 Sep - Tue, 8 Sep

06:40 - 23:18

LHR

SAT

22h 38m

2 stops

12:10 - 17:40

SAT

LHR

23h 30m

2 stops

£689Scandinavian Airlines

Wed, 2 Sep - Sun, 6 Sep

18:40 - 22:15

LHR

SAT

33h 35m

2 stops

12:15 - 17:40

SAT

LHR

23h 25m

2 stops

£696Scandinavian Airlines

Wed, 2 Sep - Sun, 6 Sep

06:40 - 23:18

LHR

SAT

22h 38m

2 stops

12:10 - 17:40

SAT

LHR

23h 30m

2 stops

£700Scandinavian Airlines

Wed, 2 Sep - Sun, 6 Sep

19:50 - 21:13

LHR

SAT

31h 23m

2 stops

16:30 - 12:10

SAT

LHR

13h 40m

1 stop

£716Multiple Airlines

Tue, 21 Jul - Mon, 27 Jul

19:50 - 21:13

LHR

SAT

31h 23m

2 stops

17:18 - 15:40

SAT

LHR

16h 22m

2 stops

£722Multiple Airlines

Tue, 21 Jul - Mon, 27 Jul

Scandinavian Airlines flights from London Heathrow Airport to San Antonio

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

Scandinavian Airlines

1 Sept

LHR10:20London Heathrow

18h 58m

2 stops

SAT23:18San Antonio

8 Sept

SAT12:10San Antonio

24h 20m

2 stops

LHR18:30London Heathrow

£634

Scandinavian Airlines

2 Sept

LHR17:00London Heathrow

37h 15m

2 stops

SAT00:15San Antonio

6 Sept

SAT12:10San Antonio

23h 30m

2 stops

LHR17:40London Heathrow

£660

Scandinavian Airlines

2 Sept

LHR19:30London Heathrow

34h 45m

2 stops

SAT00:15San Antonio

6 Sept

SAT12:10San Antonio

23h 30m

2 stops

LHR17:40London Heathrow

£669

Lufthansa flights from London Heathrow Airport to San Antonio

Our best Lufthansa deals on London Heathrow Airport to San Antonio flight tickets

Lufthansa

12 Apr

LHR19:30London Heathrow

31h 33m

2 stops

SAT21:03San Antonio

29 Apr

SAT11:46San Antonio

17h 49m

1 stop

LHR11:35London Heathrow

£824

Lufthansa

12 Apr

LHR19:30London Heathrow

31h 33m

2 stops

SAT21:03San Antonio

29 Apr

SAT13:25San Antonio

14h 15m

1 stop

LHR09:40London Heathrow

£824

Lufthansa

12 Apr

LHR19:30London Heathrow

31h 33m

2 stops

SAT21:03San Antonio

29 Apr

SAT13:25San Antonio

17h 10m

1 stop

LHR12:35London Heathrow

£827

momondo Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Tue 1/9

10:20-23:18

2 stops18h 58m

San Antonio

Tue 8/9

12:10-18:30

2 stops24h 20m

£634

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 2/9

17:00-00:15

2 stops37h 15m

San Antonio

Sun 6/9

12:10-17:40

2 stops23h 30m

£660

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 2/9

19:30-00:15

2 stops34h 45m

San Antonio

Sun 6/9

12:10-17:40

2 stops23h 30m

£669

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Tue 1/9

06:40-23:18

2 stops22h 38m

San Antonio

Tue 8/9

12:10-16:25

3 stops22h 15m

£683

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Tue 1/9

07:05-23:18

3 stops22h 13m

San Antonio

Tue 8/9

12:10-16:25

3 stops22h 15m

£686

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 2/9

06:40-23:18

2 stops22h 38m

San Antonio

Sun 6/9

12:10-17:40

2 stops23h 30m

£689

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 2/9

18:40-22:15

2 stops33h 35m

San Antonio

Sun 6/9

12:15-17:40

2 stops23h 25m

£696

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 2/9

06:40-23:18

2 stops22h 38m

San Antonio

Sun 6/9

12:10-17:40

2 stops23h 30m

£700

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Tue 21/7

19:50-21:13

2 stops31h 23m

San Antonio

Mon 27/7

16:30-12:10

1 stop13h 40m

£716

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Tue 21/7

19:50-21:13

2 stops31h 23m

San Antonio

Mon 27/7

17:18-15:40

2 stops16h 22m

£722

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 Heathrow Airport 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 cheapest month to fly to San Antonio?

The month of January is, on average, the cheapest month to fly to San Antonio from London Heathrow Airport, with most prices found around £743. If you aren’t able to travel to San Antonio during the month of January, then flying in September is also cheap. Prices for this month can be found on momondo for an average of £753.

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

You are more likely to see cheaper flights to San Antonio from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around £858 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 Heathrow Airport for as low as £711 on momondo.

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

You could potentially save up to 14% on your flight if you consider stops on a London Heathrow Airport to San Antonio flight.

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

When to book flights from London Heathrow Airport to San Antonio

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

Estimated return price

Cheap London Heathrow Airport to San Antonio (LHR to SAT) flight deals and tips

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

Fastest flight time	13h 17m
Direct flights	None

The fastest flight from London Heathrow Airport to San Antonio takes 13h 17m

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

Search flight deals

How far is London Heathrow to San Antonio by plane?
San Antonio is 4973.6 mi away from London Heathrow. Typically, this will take 13h 17m by plane in normal conditions.
When did momondo last update prices for flights from London Heathrow Airport to San Antonio Airport?
Prices for flights from London Heathrow Airport to San Antonio Airport were last updated today.
How many operators does momondo search for flights from London Heathrow Airport to San Antonio Airport?
As of March 2026, there are 6 operators available to choose from for flights from London Heathrow Airport to San Antonio Airport.
How old do you have to be to fly from London Heathrow Airport 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 Heathrow Airport to San Antonio Airport.
What documentation or ID do you need to fly to San Antonio Airport?
The travel and health documents required for your trip to San Antonio Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Antonio Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from London Heathrow Airport to San Antonio?
Based on momondo bookings for flights between London Heathrow Airport and San Antonio, the leading airline is British Airways, making up 48% of the total bookings. Other popular airlines include Scandinavian Airlines with 16%, Virgin Atlantic with 12%, and United Airlines with 10%.

Best airlines flying from London Heathrow Airport to San Antonio

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

Airline	Rating	Free Cancellation	Price
Finnair	PriceFrom £529	Free Cancellation	Rating 7.6 1,371 reviews	Search Finnair flights
Scandinavian Airlines	PriceFrom £582	Free Cancellation	Rating 7.3 1,712 reviews	Search Scandinavian Airlines flights
United Airlines	PriceFrom £670	Free Cancellation	Rating 7.4 9,419 reviews	Search United Airlines flights
Virgin Atlantic	PriceFrom £695	Free Cancellation	Rating 7.5 680 reviews	Search Virgin Atlantic flights
British Airways	PriceFrom £710	Free Cancellation	Rating 6.7 7,784 reviews	Search British Airways flights
Lufthansa	PriceFrom £710	Free Cancellation	Rating 6.8 7,848 reviews	Search Lufthansa flights

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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?

Yes. All flights to San Antonio from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential London 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 London to San Antonio right now. Can momondo alert me if prices change?

If you are not ready to book a flight from London to San Antonio now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Antonio and let you know when they change.