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

Scandinavian Airlines, British Airways, and Lufthansa are the most popular carriers operating from London to San Antonio

What airlines fly to San Antonio?

British Airways, American Airlines 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 65% of people opting to fly with this airline when traveling to San Antonio. Keep in mind that there are 4 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from London to San Antonio Airport are refreshed on a daily basis.

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

There is 1 operator available for flights from London to San Antonio Airport as of October 2025.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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.

$446 Cheap Flights from London to San Antonio in 2025/26

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 $778 to $1,071. The lowest price recently found on this route was $522.

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Find the cheapest flights from London to San Antonio

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One-way

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Cheap round-trip flights

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2:00 pm - 1:18 pmLGW-SAT

29h 18m1 stop

2:13 pm - 10:05 amSAT-LGW

13h 52m1 stop

$522Multiple Airlines

Find Deal

Sat, Dec 6 - Sat, Dec 13

2:00 pm - 10:27 pmLGW-SAT

14h 27m1 stop

6:00 am - 10:05 amSAT-LGW

22h 05m1 stop

$540Multiple Airlines

Find Deal

Fri, Jan 9 - Sat, Jan 17

7:30 pm - 11:30 pmLHR-SAT

34h 00m2 stops

1:40 pm - 9:20 amSAT-LHR

37h 40m2 stops

$789Scandinavian Airlines

Find Deal

Fri, Jan 9 - Sat, Jan 17

6:40 am - 11:48 pmLHR-SAT

23h 08m2 stops

2:00 pm - 6:30 pmSAT-LHR

22h 30m2 stops

$820Scandinavian Airlines

Find Deal

Sat, Nov 22 - Sat, Dec 6

10:20 am - 6:03 pmLHR-SAT

37h 43m2 stops

12:55 pm - 11:40 amSAT-LHR

16h 45m1 stop

$1,047Finnair

Find Deal

Tue, Dec 2 - Wed, Dec 10

9:30 am - 7:36 pmLHR-SAT

16h 06m2 stops

10:00 am - 7:15 amSAT-LHR

15h 15m2 stops

$1,049Lufthansa

Find Deal

Mon, Apr 13 - Mon, May 4

10:20 am - 6:03 pmLHR-SAT

37h 43m2 stops

12:55 pm - 3:15 pmSAT-LHR

20h 20m2 stops

$1,055Finnair

Find Deal

Tue, Dec 2 - Wed, Dec 10

9:30 am - 9:32 pmLHR-SAT

18h 02m2 stops

11:18 am - 6:20 amSAT-LHR

13h 02m1 stop

$1,057United Airlines

Find Deal

Wed, Dec 3 - Wed, Dec 10

3:20 pm - 3:33 pmLHR-SAT

30h 13m3 stops

10:00 am - 7:15 amSAT-LHR

15h 15m2 stops

$1,079Lufthansa

Find Deal

Mon, Apr 13 - Mon, May 4

7:30 am - 8:15 pmLHR-SAT

18h 45m2 stops

8:30 am - 5:55 amSAT-LHR

15h 25m2 stops

$1,117United Airlines

Find Deal

Wed, Nov 19 - Sun, Nov 23

Lufthansa flights from London to San Antonio

Our best Lufthansa deals on London to San Antonio flight tickets

Lufthansa

Apr 13

LHR9:30 amLondon Heathrow

16h 06m

2 stops

SAT7:36 pmSan Antonio

May 4

SAT10:00 amSan Antonio

15h 15m

2 stops

LHR7:15 amLondon Heathrow

$1,049

Find similar

Lufthansa

Apr 13

LHR3:20 pmLondon Heathrow

30h 13m

3 stops

SAT3:33 pmSan Antonio

May 4

SAT10:00 amSan Antonio

15h 15m

2 stops

LHR7:15 amLondon Heathrow

$1,079

Find similar

Lufthansa

Nov 19

LHR7:40 amLondon Heathrow

18h 35m

2 stops

SAT8:15 pmSan Antonio

Nov 23

SAT2:14 pmSan Antonio

11h 16m

1 stop

LHR7:30 amLondon Heathrow

$1,115

Find similar

American Airlines flights from London to San Antonio

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

American Airlines

Mar 5

LGW12:30 pmLondon Gatwick

34h 09m

2 stops

SAT4:39 pmSan Antonio

Mar 9

SAT6:45 amSan Antonio

19h 45m

2 stops

LGW7:30 amLondon Gatwick

$1,088

Find similar

American Airlines

Mar 5

LGW11:20 amLondon Gatwick

35h 19m

2 stops

SAT4:39 pmSan Antonio

Mar 9

SAT5:31 amSan Antonio

22h 29m

2 stops

LGW9:00 amLondon Gatwick

$1,095

Find similar

American Airlines

Mar 5

LGW12:30 pmLondon Gatwick

38h 24m

2 stops

SAT8:54 pmSan Antonio

Mar 9

SAT8:45 amSan Antonio

17h 45m

2 stops

LGW7:30 amLondon Gatwick

$1,097

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Sat 12/6

2:00 pm-1:18 pm

1 stop29h 18m

San Antonio

Sat 12/13

2:13 pm-10:05 am

1 stop13h 52m

$522

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Fri 1/9

2:00 pm-10:27 pm

1 stop14h 27m

San Antonio

Sat 1/17

6:00 am-10:05 am

1 stop22h 05m

$540

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Fri 1/9

7:30 pm-11:30 pm

2 stops34h 00m

San Antonio

Sat 1/17

1:40 pm-9:20 am

2 stops37h 40m

$789

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Sat 11/22

6:40 am-11:48 pm

2 stops23h 08m

San Antonio

Sat 12/6

2:00 pm-6:30 pm

2 stops22h 30m

$820

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Tue 12/2

10:20 am-6:03 pm

2 stops37h 43m

San Antonio

Wed 12/10

12:55 pm-11:40 am

1 stop16h 45m

$1,047

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Mon 4/13

9:30 am-7:36 pm

2 stops16h 06m

San Antonio

Mon 5/4

10:00 am-7:15 am

2 stops15h 15m

$1,049

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Tue 12/2

10:20 am-6:03 pm

2 stops37h 43m

San Antonio

Wed 12/10

12:55 pm-3:15 pm

2 stops20h 20m

$1,055

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 12/3

9:30 am-9:32 pm

2 stops18h 02m

San Antonio

Wed 12/10

11:18 am-6:20 am

1 stop13h 02m

$1,057

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Mon 4/13

3:20 pm-3:33 pm

3 stops30h 13m

San Antonio

Mon 5/4

10:00 am-7:15 am

2 stops15h 15m

$1,079

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 11/19

7:30 am-8:15 pm

2 stops18h 45m

San Antonio

Sun 11/23

8:30 am-5:55 am

2 stops15h 25m

$1,117

Flights are sorted by cheapest round-trip 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

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?

If you aren’t able to travel during the month of February, then book flights to San Antonio from London during March instead. Flights to San Antonio in March, while not as cheap as those in February, still average around $763.

What is the cheapest day to depart on your flight to San Antonio?

The cheapest day to depart on your flight to San Antonio is on a Wednesday when prices can be found for as low as $973. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Sunday is $1,240.

What is the cheapest time of day to depart on your flight to San Antonio?

According to our data, the cheapest time of day to fly to San Antonio is in the morning. momondo users have found flights departing from London to San Antonio in the morning for as low as $1,222. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly at noon, with an average ticket price of $1,260. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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 when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $1,043 when searching weeks out. 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 $857 on momondo.

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

You could potentially save up to 3% 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 October 2025, prices for London to San Antonio flights are approximately 120% 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 round-trip 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

Direct flights	None

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

Search flight deals

How far is London to San Antonio by plane?
A flight from London to San Antonio will travel around 4985.7 mi. By plane, this route typically takes 13h 50m.
When did momondo last update prices for flights from London to San Antonio Airport?
Prices for flights from London to San Antonio Airport are refreshed on a daily basis.
How many operators does momondo search for flights from London to San Antonio Airport?
There is 1 operator available for flights from London to San Antonio Airport as of October 2025.
How old do you have to be to fly from London to San Antonio Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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.

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
British Airways	PriceFrom $1,014	Free Cancellation	Rating 6.7 7,487 reviews		Search British Airways flights

New Braunfels

Boerne

Kerrville

Schertz

Pleasanton

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to San Antonio. momondo saves you time and could save you money on your trip.

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

All flight searches from London to San Antonio on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to San Antonio from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for London to San Antonio flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your San Antonio trip

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Cheap flights from London to San Antonio from $446

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London to San Antonio departing on 2/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from London to San Antonio

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Lufthansa flights from London to San Antonio

Our best Lufthansa deals on London to San Antonio flight tickets

American Airlines flights from London to San Antonio

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

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

See travel insights to San Antonio from

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

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?

If you aren’t able to travel during the month of February, then book flights to San Antonio from London during March instead. Flights to San Antonio in March, while not as cheap as those in February, still average around $763.

What is the cheapest day to depart on your flight to San Antonio?

What is the cheapest time of day to depart on your flight to San Antonio?

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

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

You could potentially save up to 3% 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 October 2025, prices for London to San Antonio flights are approximately 120% more expensive when compared to flights at the same time last year.

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

Scandinavian Airlines, British Airways, and Lufthansa are the most popular carriers operating from London to San Antonio

What airlines fly to San Antonio?

When to book flights from London to San Antonio

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

Direct flights

How far is London to San Antonio by plane?

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

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

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

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

Best airlines flying from London to San Antonio

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

Traveling to a place near San Antonio?

Why use momondo?

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

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

How can momondo help me find flights 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?

An easier way to manage your San Antonio trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Texas