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

Lufthansa, Aer Lingus, and Finnair 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 airport is the most popular for stopovers for flights between London and San Antonio?

Dallas (DFW) was the most common stop: 45% of momondo users choosing one-stop flights on this route connected there.

Which airlines fly to San Antonio?

British Airways, Lufthansa and United 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 76% 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 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.

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

Flights via Charlotte (CLT) offer the lowest average return price of £806.

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 May 2026, there are 6 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.

£389 Cheap Flights from London to San Antonio in 2026

Q: 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 £1,236 to £776. The lowest price recently found on this route was £654.

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Find the cheapest flights from London to San Antonio

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

06:00 - 21:13

LHR

SAT

45h 13m

2 stops

15:56 - 09:25

SAT

LHR

11h 29m

1 stop

£654Multiple Airlines

Thu, 15 Oct - Tue, 20 Oct

06:00 - 21:13

LHR

SAT

45h 13m

2 stops

17:30 - 17:15

SAT

LHR

17h 45m

2 stops

£659Multiple Airlines

Thu, 15 Oct - Tue, 20 Oct

14:00 - 15:37

LGW

SAT

31h 37m

1 stop

20:56 - 10:00

SAT

LGW

31h 04m

2 stops

£665Multiple Airlines

Thu, 11 Jun - Mon, 22 Jun

14:00 - 15:37

LGW

SAT

31h 37m

1 stop

19:51 - 10:00

SAT

LGW

32h 09m

2 stops

£672Multiple Airlines

Thu, 11 Jun - Wed, 17 Jun

17:00 - 00:28

LHR

SAT

36h 28m

2 stops

12:15 - 09:20

SAT

LHR

39h 05m

2 stops

£694Scandinavian Airlines

Tue, 27 Oct - Wed, 11 Nov

17:00 - 00:28

LHR

SAT

36h 28m

2 stops

14:10 - 21:40

SAT

LHR

25h 30m

2 stops

£697Scandinavian Airlines

Tue, 27 Oct - Wed, 11 Nov

07:50 - 21:57

LCY

SAT

20h 07m

2 stops

15:00 - 14:05

SAT

LCY

41h 05m

2 stops

£1,028Iberia

Thu, 12 Nov - Mon, 16 Nov

07:50 - 21:57

LCY

SAT

44h 07m

2 stops

12:55 - 14:35

SAT

LCY

19h 40m

2 stops

£1,030Iberia

Thu, 12 Nov - Mon, 16 Nov

09:15 - 21:13

LCY

SAT

17h 58m

2 stops

16:18 - 17:55

SAT

LCY

19h 37m

2 stops

£1,144Lufthansa

Tue, 2 Jun - Tue, 9 Jun

19:30 - 23:59

LCY

SAT

34h 29m

2 stops

06:00 - 08:35

SAT

LCY

20h 35m

2 stops

£1,166Aer Lingus

Sun, 14 Jun - Sun, 21 Jun

Lufthansa flights from London to San Antonio

Our best Lufthansa deals on London to San Antonio flight tickets

Lufthansa

15 Sept

LHR06:30London Heathrow

20h 46m

2 stops

SAT21:16San Antonio

20 Sept

SAT13:00San Antonio

13h 20m

1 stop

LHR08:20London Heathrow

£903

Lufthansa

15 Sept

LHR08:30London Heathrow

18h 46m

2 stops

SAT21:16San Antonio

20 Sept

SAT13:44San Antonio

13h 36m

1 stop

LHR09:20London Heathrow

£906

Lufthansa

15 Sept

LHR07:30London Heathrow

21h 25m

2 stops

SAT22:55San Antonio

20 Sept

SAT17:24San Antonio

12h 31m

1 stop

LHR11:55London Heathrow

£907

Aer Lingus flights from London to San Antonio

Our best Aer Lingus deals on London to San Antonio flight tickets

Aer Lingus

15 Sept

LHR15:15London Heathrow

14h 06m

1 stop

SAT23:21San Antonio

20 Sept

SAT08:13San Antonio

17h 52m

2 stops

LHR08:05London Heathrow

£958

Aer Lingus

7 Jul

LHR13:25London Heathrow

16h 45m

2 stops

SAT00:10San Antonio

1 Sept

SAT07:24San Antonio

18h 41m

2 stops

LHR08:05London Heathrow

£961

Aer Lingus

7 Jul

LHR13:25London Heathrow

16h 45m

2 stops

SAT00:10San Antonio

1 Sept

SAT07:24San Antonio

18h 41m

2 stops

LHR08:05London Heathrow

£965

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Thu 15/10

06:00-21:13

2 stops45h 13m

San Antonio

Tue 20/10

15:56-09:25

1 stop11h 29m

£654

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Thu 15/10

06:00-21:13

2 stops45h 13m

San Antonio

Tue 20/10

17:30-17:15

2 stops17h 45m

£659

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Thu 11/6

14:00-15:37

1 stop31h 37m

San Antonio

Mon 22/6

20:56-10:00

2 stops31h 04m

£665

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Thu 11/6

14:00-15:37

1 stop31h 37m

San Antonio

Wed 17/6

19:51-10:00

2 stops32h 09m

£672

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Tue 27/10

17:00-00:28

2 stops36h 28m

San Antonio

Wed 11/11

12:15-09:20

2 stops39h 05m

£694

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Tue 27/10

17:00-00:28

2 stops36h 28m

San Antonio

Wed 11/11

14:10-21:40

2 stops25h 30m

£697

LondonSan Antonio

LCY - SAT

LCYSAT

London City

Thu 12/11

07:50-21:57

2 stops20h 07m

San Antonio

Mon 16/11

15:00-14:05

2 stops41h 05m

£1,028

LondonSan Antonio

LCY - SAT

LCYSAT

London City

Thu 12/11

07:50-21:57

2 stops44h 07m

San Antonio

Mon 16/11

12:55-14:35

2 stops19h 40m

£1,030

Fastest return journey

LondonSan Antonio

LCY - SAT

LCYSAT

London City

Tue 2/6

09:15-21:13

2 stops17h 58m

San Antonio

Tue 9/6

16:18-17:55

2 stops19h 37m

£1,144

LondonSan Antonio

LCY - SAT

LCYSAT

London City

Sun 14/6

19:30-23:59

2 stops34h 29m

San Antonio

Sun 21/6

06:00-08:35

2 stops20h 35m

£1,166

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?

What is the cheapest month to fly to San Antonio?

The month of June is, on average, the cheapest month to fly to San Antonio from London, with most prices found around £245. If you aren’t able to travel to San Antonio during the month of June, then flying in September is also cheap. Prices for this month can be found on momondo for an average of £255.

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 £901 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 £716 on momondo.

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

You could potentially save up to 7% 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 May 2026, prices for London to San Antonio flights are approximately 1% 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

Fastest flight time	12h 45m
Direct flights	None

The fastest flight from London to San Antonio takes 12h 45m

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

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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 12h 45m 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 May 2026, there are 6 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 (46% of total bookings). The next most popular airlines are Lufthansa (15%), Virgin Atlantic (13%), and United Airlines (12%).

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 £341	Free Cancellation	Rating 7.4 9,737 reviews	Search United Airlines flights
Scandinavian Airlines	PriceFrom £560	Free Cancellation	Rating 7.4 1,781 reviews	Search Scandinavian Airlines flights
Finnair	PriceFrom £589	Free Cancellation	Rating 7.7 1,396 reviews	Search Finnair flights
Virgin Atlantic	PriceFrom £693	Free Cancellation	Rating 7.4 688 reviews	Search Virgin Atlantic flights
British Airways	PriceFrom £712	Free Cancellation	Rating 6.7 7,986 reviews	Search British Airways flights
Lufthansa	PriceFrom £712	Free Cancellation	Rating 6.8 8,009 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?

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.