How long is the flight from London to San Antonio?

There are many flights that can get you from London to San Antonio in 18h 28m. Fly via Scandinavian Airlines, United Airlines, or Lufthansa to get the fastest option. The distance from London to San Antonio is about 4967 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from London to San Antonio round-trip?

Flying on United Airlines is currently your cheapest option to San Antonio, with prices starting at £240. Additional return tickets that might be worth considering are offered by Scandinavian Airlines and Virgin Atlantic, with the lowest prices starting at £550 and £700, respectively. You may be able to fly from London to San Antonio for 74% less than the average price by searching for these airlines.

In terms of precipitation, rainfall in San Antonio ranges from 41.0 - 95.0 inches per month. May is typically the wettest month, when rainfall can reach 95.0 mm. December is typically the driest time to visit San Antonio when rainfall is around 41.0 mm.

If weather is an important factor for your trip to San Antonio, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

What are the most popular routes from London to San Antonio?

The most popular route from London to San Antonio is London Heathrow - San Antonio. You may also consider London Gatwick - San Antonio or London City - San Antonio.

What are the most popular airlines that fly from London to San Antonio?

Before booking your flight from London to San Antonio check out the most popular airlines for this route: British Airways, Virgin Atlantic or Lufthansa.

What is the cheapest time of day to fly from LON to SAT?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London to San Antonio as you normally would.

What airport do you fly into for flights to San Antonio from London?

For a flight from London to San Antonio, you will be flying into San Antonio. San Antonio (SAT) is just 7.6 mi from the center of the city. San Antonio is the only San Antonio airport and it handles 0 inbound flights from London per day. 5 airlines have flights to San Antonio from London on a regular basis.

Can I find deals for flights from London to San Antonio that include hotel bookings?

Yes. In addition to deals on London to San Antonio flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from London to San Antonio?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to San Antonio.

Can I find deals for business class flights from London to San Antonio?

Yes. Cheapflights offers flight deals from London to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£283+ Cheap Flights from London to San Antonio

Cheap flight deals from London to San Antonio

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from London to San Antonio
Explore the most affordable flight options available from London to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 August 2026.

Tue 20/1006:40 -

2 stops21h 08m

Sat 24/1014:00 -

2 stops21h 00m

Deal found 20/8£581

Wed 16/919:30 -

2 stops31h 44m

Mon 28/913:55 -

2 stops21h 45m

Deal found 21/8£600

Wed 16/912:40 -

1 stop14h 33m

Wed 23/910:03 -

1 stop17h 57m

Deal found 19/8£613

Wed 16/914:00 -

2 stops51h 58m

Mon 28/910:05 -

1 stop17h 55m

Deal found 21/8£619

Tue 20/1014:00 -

1 stop25h 08m

Sat 24/1020:21 -

2 stops30h 54m

Deal found 20/8£620

Wed 7/1012:40 -

1 stop15h 33m

Wed 14/1010:03 -

1 stop17h 57m

Deal found 23/8£622

Mon 21/914:00 -

2 stops30h 20m

Mon 5/1010:05 -

1 stop17h 55m

Deal found 21/8£628

Mon 5/1012:40 -

1 stop15h 33m

Mon 12/1010:03 -

1 stop17h 57m

Deal found 21/8£630

Sun 13/914:00 -

1 stop25h 10m

Sun 27/909:25 -

2 stops42h 35m

Deal found 21/8£632

Tue 10/1110:20 -

2 stops19h 47m

Wed 25/1113:46 -

2 stops25h 54m

Deal found 20/8£648

Sun 13/914:00 -

1 stop25h 10m

Mon 28/910:05 -

1 stop17h 55m

Deal found 21/8£654

Mon 5/1006:40 -

2 stops23h 28m

Mon 12/1013:41 -

2 stops21h 59m

Deal found 21/8£665

Best flights from London to San Antonio
Discover carefully curated flight deals from London to San Antonio that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 24 August 2026.

Tue 20/1007:05 -

3 stops20h 43m

Sat 24/1014:00 -

2 stops21h 00m

Deal found 20/8£591

Tue 20/1014:00 -

1 stop25h 08m

Sat 24/1020:21 -

2 stops30h 54m

Deal found 20/8£620

Wed 16/907:25 -

2 stops18h 28m

Wed 23/909:30 -

2 stops15h 15m

Deal found 19/8£904

Tue 17/1108:20 -

1 stop13h 17m

Fri 4/1214:05 -

1 stop13h 55m

Deal found 20/8£909

Mon 21/909:55 -

2 stops17h 19m

Mon 5/1006:35 -

1 stop18h 40m

Deal found 21/8£937

Tue 13/1009:15 -

2 stops19h 35m

Wed 21/1017:30 -

2 stops18h 25m

Deal found 20/8£939

Mon 7/919:15 -

2 stops30h 22m

Wed 7/1007:10 -

2 stops26h 05m

Deal found 22/8£945

Wed 7/1012:40 -

1 stop15h 33m

Wed 14/1010:03 -

1 stop17h 57m

Deal found 23/8£622

Sat 24/1011:30 -

2 stops42h 28m

Sat 31/1015:09 -

2 stops36h 26m

Deal found 21/8£1,262

Mon 5/1012:40 -

1 stop15h 33m

Mon 12/1010:03 -

1 stop17h 57m

Deal found 21/8£630

Mon 21/906:40 -

2 stops23h 28m

Mon 5/1013:55 -

3 stops22h 55m

Deal found 21/8£695

Sun 13/914:00 -

1 stop25h 10m

Mon 28/910:05 -

1 stop17h 55m

Deal found 21/8£654

Tue 6/1010:20 -

2 stops19h 53m

Tue 20/1013:41 -

3 stops23h 09m

Deal found 23/8£736

Mon 12/1014:00 -

2 stops35h 26m

Wed 21/1010:03 -

1 stop17h 57m

Deal found 20/8£676

Mon 7/906:55 -

2 stops19h 03m

Wed 7/1009:48 -

2 stops14h 07m

Deal found 22/8£925

Wed 16/919:15 -

2 stops33h 35m

Wed 23/912:41 -

2 stops18h 29m

Deal found 19/8£972

Mon 11/118:15 -

2 stops34h 43m

Sat 16/114:15 -

2 stops20h 25m

Deal found 21/8£989

Mon 5/1010:00 -

1 stop13h 40m

Mon 12/1014:25 -

1 stop11h 20m

Deal found 21/8£934

Mon 7/914:00 -

2 stops35h 31m

Wed 7/1010:03 -

1 stop17h 57m

Deal found 22/8£706

Wed 7/1019:15 -

2 stops34h 44m

Wed 14/1016:28 -

2 stops46h 42m

Deal found 23/8£972

Wed 9/906:40 -

2 stops23h 07m

Thu 10/913:55 -

2 stops21h 45m

Deal found 23/8£931

Thu 22/1009:15 -

2 stops18h 16m

Mon 26/1014:20 -

2 stops22h 20m

Deal found 22/8£1,027

Wed 16/919:15 -

2 stops33h 35m

Tue 29/912:41 -

2 stops38h 29m

Deal found 21/8£984

Tue 17/1112:15 -

2 stops16h 50m

Fri 4/1205:40 -

2 stops23h 10m

Deal found 20/8£773

Tue 20/1019:15 -

2 stops28h 31m

Sat 24/1016:28 -

2 stops35h 22m

Deal found 20/8£1,019

Wed 16/909:40 -

1 stop17h 33m

Wed 23/920:56 -

2 stops28h 34m

Deal found 19/8£823

Thu 8/1009:40 -

2 stops30h 35m

Thu 15/1008:50 -

1 stop17h 05m

Deal found 24/8£838

Mon 5/1009:20 -

2 stops18h 02m

Mon 12/1011:36 -

2 stops15h 54m

Deal found 21/8£2,077

Mon 21/909:20 -

2 stops18h 02m

Mon 5/1011:36 -

2 stops15h 54m

Deal found 21/8£2,489

Mon 12/1008:00 -

2 stops20h 13m

Thu 15/1008:50 -

2 stops17h 50m

Deal found 21/8£1,518

Find flight deals from London to San Antonio

Round-trip from	£580
One-way from	£283
Popular in	July
Cheapest in	February
Average price	£1,133

Scandinavian Airlines
26/1-7/2
4 total stops
52h 47m total
London to San Antonio

Search Deals

3/10
3 total stops
53h 25m total
London to San Antonio

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£123 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£17 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Tue 20/10

07:05-21:48

3 stops20h 43m

San Antonio

Sat 24/10

14:00-17:00

2 stops21h 00m

£591

LondonSan Antonio

LGW London Gatwick - SAT San Antonio

LGWSAT

London Gatwick

Tue 20/10

14:00-09:08

1 stop25h 08m

San Antonio

Sat 24/10

20:21-08:15

2 stops30h 54m

£620

LondonSan Antonio

LGW London Gatwick - SAT San Antonio

LGWSAT

London Gatwick

Wed 7/10

12:40-22:13

1 stop15h 33m

San Antonio

Wed 14/10

10:03-10:00

1 stop17h 57m

£622

LondonSan Antonio

LGW London Gatwick - SAT San Antonio

LGWSAT

London Gatwick

Mon 5/10

12:40-22:13

1 stop15h 33m

San Antonio

Mon 12/10

10:03-10:00

1 stop17h 57m

£630

LondonSan Antonio

LGW London Gatwick - SAT San Antonio

LGWSAT

London Gatwick

Sun 13/9

14:00-09:10

1 stop25h 10m

San Antonio

Mon 28/9

10:05-10:00

1 stop17h 55m

£654

LondonSan Antonio

LGW London Gatwick - SAT San Antonio

LGWSAT

London Gatwick

Mon 12/10

14:00-19:26

2 stops35h 26m

San Antonio

Wed 21/10

10:03-10:00

1 stop17h 57m

£676

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Mon 21/9

06:40-00:08

2 stops23h 28m

San Antonio

Mon 5/10

13:55-18:50

3 stops22h 55m

£695

LondonSan Antonio

LGW London Gatwick - SAT San Antonio

LGWSAT

London Gatwick

Mon 7/9

14:00-19:31

2 stops35h 31m

San Antonio

Wed 7/10

10:03-10:00

1 stop17h 57m

£706

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Tue 6/10

10:20-00:13

2 stops19h 53m

San Antonio

Tue 20/10

13:41-18:50

3 stops23h 09m

£736

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Tue 17/11

12:15-23:05

2 stops16h 50m

San Antonio

Fri 4/12

05:40-10:50

2 stops23h 10m

£773

Flights are sorted by cheapest return flights first.

Deals found on 23/8

Showing 1-10 of 56 resultsSorted by cheapest first

...

Best time to book a flight from London to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from London with our price prediction graph.

LON-SAT

LHR-SAT

LGW-SAT

LCY-SAT

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to San Antonio

LON-SAT

LHR-SAT

LGW-SAT

LCY-SAT

What is the cheapest month to book a flight from London to San Antonio?

Currently, September is the cheapest month in which you can book a flight from London to San Antonio (average of £718). Flying from London to San Antonio in July is currently the most expensive (average of £1,172). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from London to San Antonio?

Airfare is below average for this route at the moment.

London to San Antonio flights typically cost between £787 and £978 in January.
The cheapest return price found within the last 5 days was £580 on Scandinavian Airlines (26 Jan–7 Feb).

What’s the top stopover airport for flights from London to San Antonio?

Dallas (DFW) – chosen by Cheapflights users on 59% of one-stop itineraries from London to San Antonio on Cheapflights.

What’s the cheapest stopover airport for flights from London to San Antonio?

Atlanta (ATL) is the most affordable one-stop option, with an average return flight price of £911.

What’s the fastest stopover option from London to San Antonio?

Flights via Dallas (DFW) have the shortest average one-way travel time for one-stop routes: 13h 09m.

Which airport typically offers the quickest stopover for flights from London to San Antonio?

Flights via Charlotte (CLT) offer the fastest connection on this route, with an average stopover time of 1h 05m.

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

To ensure you get the cheapest price possible for a flight from London to San Antonio, you should look to book at least 77 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing San Antonio

Read reviews from past customers who have flown with Scandinavian Airlines,United Airlines, andVirgin Atlantic from London to San Antonio. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Scandinavian Airlines

7.4

Good

1,963 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Robert,Jul 2026

CPH - SFO

First rate expereince.! We've never flown SAS before but will defintely fly it again.

Scandinavian Airlines

7.4

Good

1,963 reviews

Scandinavian Airlines

7.4

Good

1,963 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Robert,Jul 2026

CPH - SFO

First rate expereince.! We've never flown SAS before but will defintely fly it again.

United Airlines

7.4

Good

10,115 reviews

Scandinavian Airlines

7.4

Good

1,963 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Robert,Jul 2026

CPH - SFO

First rate expereince.! We've never flown SAS before but will defintely fly it again.

Virgin Atlantic

7.4

Good

695 reviews

Scandinavian Airlines

7.4

Good

1,963 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Robert,Jul 2026

CPH - SFO

First rate expereince.! We've never flown SAS before but will defintely fly it again.

Lufthansa

6.8

Okay

8,214 reviews

Scandinavian Airlines

7.4

Good

1,963 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Robert,Jul 2026

CPH - SFO

First rate expereince.! We've never flown SAS before but will defintely fly it again.

British Airways

6.7

Okay

8,187 reviews

Scandinavian Airlines

7.4

Good

1,963 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Robert,Jul 2026

CPH - SFO

First rate expereince.! We've never flown SAS before but will defintely fly it again.

Related info for your journey

What airport do you fly into for flights to San Antonio from London?
For a flight from London to San Antonio, you will be flying into San Antonio. San Antonio (SAT) is just 7.6 mi from the center of the city. San Antonio is the only San Antonio airport and it handles 0 inbound flights from London per day. 5 airlines have flights to San Antonio from London on a regular basis.
How long is the flight from London to San Antonio?
There are many flights that can get you from London to San Antonio in 18h 28m. Fly via Scandinavian Airlines, United Airlines, or Lufthansa to get the fastest option. The distance from London to San Antonio is about 4967 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from London to San Antonio round-trip?
Flying on United Airlines is currently your cheapest option to San Antonio, with prices starting at £240. Additional return tickets that might be worth considering are offered by Scandinavian Airlines and Virgin Atlantic, with the lowest prices starting at £550 and £700, respectively. You may be able to fly from London to San Antonio for 74% less than the average price by searching for these airlines.
What are the most popular routes from London to San Antonio?
The most popular route from London to San Antonio is London Heathrow - San Antonio. You may also consider London Gatwick - San Antonio or London City - San Antonio.
Can I find deals for flights from London to San Antonio that include hotel bookings?
Yes. In addition to deals on London to San Antonio flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to San Antonio?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to San Antonio.
Can I find deals for business class flights from London to San Antonio?
Yes. Cheapflights offers flight deals from London to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London to San Antonio?
Currently, September is the cheapest month in which you can book a flight from London to San Antonio (average of £718). Flying from London to San Antonio in July is currently the most expensive (average of £1,172). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from London to San Antonio

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest£240	Average£734	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Scandinavian Airlines	Cheapest£550	Average£645	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Virgin Atlantic	Cheapest£681	Average£1,100	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
British Airways	Cheapest£702	Average£959	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Lufthansa	Cheapest£709	Average£1,028	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights

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How does Cheapflights help users find flights from London to San Antonio?

Cheapflights helps you search for flights from London to San Antonio via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from London to San Antonio?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to San Antonio for you. Better yet — we are completely free to use.

Can Cheapflights find flights from London to San Antonio with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to San Antonio flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from London to San Antonio become cheaper?

Yes! Start tracking prices for London to San Antonio flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from London to San Antonio from £283

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to San Antonio

Cheapest flights from London to San AntonioExplore the most affordable flight options available from London to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 August 2026.

Explore the most affordable flight options available from London to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 August 2026.

Best flights from London to San AntonioDiscover carefully curated flight deals from London to San Antonio that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 24 August 2026.

Discover carefully curated flight deals from London to San Antonio that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 24 August 2026.

Last-minute flights from London to San AntonioDiscover last-minute flight deals from London to San Antonio. Data last updated 24 August 2026 and is based on user searches.

Discover last-minute flight deals from London to San Antonio. Data last updated 24 August 2026 and is based on user searches.

One-way flights from London to San AntonioSearch for one-way flight options from London to San Antonio. Find affordable one-way fares based on user searches. Data last updated 24 August 2026.

Search for one-way flight options from London to San Antonio. Find affordable one-way fares based on user searches. Data last updated 24 August 2026.

Find flight deals from London to San Antonio

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Best time to book a flight from London to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from London with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from London to San Antonio?

How much does it cost for a return flight from London to San Antonio?

Airfare is below average for this route at the moment.

London to San Antonio flights typically cost between £787 and £978 in January.The cheapest return price found within the last 5 days was £580 on Scandinavian Airlines (26 Jan–7 Feb).

What’s the top stopover airport for flights from London to San Antonio?

Share of one-stop return flights from London to San Antonio chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Dallas (DFW) – chosen by Cheapflights users on 59% of one-stop itineraries from London to San Antonio on Cheapflights.

What’s the cheapest stopover airport for flights from London to San Antonio?

Average return fare for one-stop flights from London to San Antonio, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Atlanta (ATL) is the most affordable one-stop option, with an average return flight price of £911.

What’s the fastest stopover option from London to San Antonio?

Shortest average travel time for one-stop one-way flights from London to San Antonio, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Dallas (DFW) have the shortest average one-way travel time for one-stop routes: 13h 09m.

Which airport typically offers the quickest stopover for flights from London to San Antonio?

Average stopover duration for one-stop one-way flights from London to San Antonio, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Charlotte (CLT) offer the fastest connection on this route, with an average stopover time of 1h 05m.

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

To ensure you get the cheapest price possible for a flight from London to San Antonio, you should look to book at least 77 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing San Antonio

Related info for your journey

What airport do you fly into for flights to San Antonio from London?

How long is the flight from London to San Antonio?

What are the cheapest airlines flying from London to San Antonio round-trip?

What are the most popular routes from London to San Antonio?

Can I find deals for flights from London to San Antonio that include hotel bookings?

How can I find direct flights from London to San Antonio?

Can I find deals for business class flights from London to San Antonio?

What is the cheapest month to book a flight from London to San Antonio?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to San Antonio by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Texas

Book a non-stop flight to one of these other cities located in Texas.

Search flights from London to San Antonio by cabin class

Find flights from London to San Antonio, based on your preferred cabin class, be it economy, premium economy, business, or first class.

London and San Antonio flights

Browse other London and San Antonio flight options. Last updated on 24 August 2026.

Other flights from London

Browse through other flights departing from London. Flights are based on user searches made on Cheapflights and were last updated on 24 August 2026.

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Top 5 airlines flying from London to San Antonio

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Cheapest flights from London to San Antonio
Explore the most affordable flight options available from London to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 August 2026.

Best flights from London to San Antonio
Discover carefully curated flight deals from London to San Antonio that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 24 August 2026.

Last-minute flights from London to San Antonio
Discover last-minute flight deals from London to San Antonio. Data last updated 24 August 2026 and is based on user searches.

One-way flights from London to San Antonio
Search for one-way flight options from London to San Antonio. Find affordable one-way fares based on user searches. Data last updated 24 August 2026.

London to San Antonio flights typically cost between £787 and £978 in January.
The cheapest return price found within the last 5 days was £580 on Scandinavian Airlines (26 Jan–7 Feb).