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 01m. Fly via Scandinavian Airlines, Lufthansa, or Virgin Atlantic to get the fastest option. The distance from London to San Antonio is about 4986 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 £243. Additional return tickets that might be worth considering are offered by Scandinavian Airlines and Virgin Atlantic, with the lowest prices starting at £557 and £689, 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.

£354+ 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 8 August 2026.

Thu 3/914:00 -

1 stop24h 56m

Mon 14/910:05 -

1 stop17h 55m

Deal found 7/8£538

Wed 16/914:00 -

2 stops51h 58m

Mon 28/910:05 -

1 stop17h 55m

Deal found 7/8£565

Mon 7/906:40 -

2 stops20h 24m

Mon 21/913:55 -

2 stops22h 35m

Deal found 6/8£577

Mon 31/814:00 -

2 stops35h 31m

Mon 7/909:51 -

1 stop18h 09m

Deal found 3/8£584

Wed 2/918:40 -

2 stops32h 24m

Sun 6/910:53 -

2 stops24h 47m

Deal found 4/8£590

Thu 3/906:40 -

2 stops20h 24m

Mon 14/913:55 -

3 stops22h 55m

Deal found 7/8£594

Thu 3/914:00 -

1 stop24h 56m

Thu 24/920:20 -

2 stops55h 40m

Deal found 4/8£600

Tue 1/914:00 -

2 stops32h 13m

Wed 30/910:03 -

1 stop17h 57m

Deal found 6/8£615

Wed 2/914:00 -

2 stops35h 31m

Wed 9/910:03 -

1 stop17h 57m

Deal found 5/8£629

Thu 5/1111:00 -

1 stop28h 02m

Sun 15/1116:49 -

2 stops17h 51m

Deal found 7/8£659

Tue 25/814:00 -

2 stops32h 13m

Fri 25/910:05 -

1 stop17h 55m

Deal found 4/8£691

Tue 1/909:15 -

2 stops18h 01m

Wed 30/917:30 -

2 stops18h 25m

Deal found 6/8£903

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 8 August 2026.

Thu 3/914:00 -

1 stop24h 56m

Mon 14/910:05 -

1 stop17h 55m

Deal found 7/8£538

Mon 7/906:40 -

2 stops23h 48m

Mon 21/913:55 -

3 stops24h 00m

Deal found 6/8£598

Tue 1/909:15 -

2 stops18h 01m

Wed 30/917:30 -

2 stops18h 25m

Deal found 6/8£903

Mon 7/920:15 -

2 stops31h 07m

Mon 21/918:10 -

2 stops17h 10m

Deal found 5/8£934

Sat 7/1107:45 -

2 stops22h 14m

Sat 14/1115:04 -

2 stops37h 21m

Deal found 7/8£944

Tue 1/909:35 -

2 stops19h 15m

Wed 30/907:28 -

2 stops43h 42m

Deal found 3/8£952

Wed 2/918:40 -

2 stops32h 24m

Sun 6/910:53 -

2 stops24h 47m

Deal found 5/8£601

Tue 1/914:00 -

2 stops32h 13m

Wed 30/910:03 -

1 stop17h 57m

Deal found 3/8£619

Thu 3/906:40 -

2 stops20h 24m

Mon 14/913:55 -

3 stops22h 55m

Deal found 3/8£615

Thu 5/1111:00 -

1 stop28h 02m

Sun 15/1116:49 -

2 stops17h 51m

Deal found 7/8£659

Tue 1/921:25 -

2 stops30h 00m

Wed 30/915:35 -

2 stops22h 45m

Deal found 3/8£770

Tue 15/906:40 -

3 stops23h 33m

Sun 20/910:59 -

2 stops28h 41m

Deal found 7/8£775

Thu 3/909:50 -

2 stops19h 00m

Thu 24/912:41 -

2 stops26h 29m

Deal found 4/8£970

Wed 2/909:15 -

2 stops18h 01m

Wed 9/917:30 -

2 stops18h 25m

Deal found 5/8£1,019

Thu 22/1014:00 -

1 stop25h 39m

Mon 26/1012:43 -

2 stops36h 17m

Deal found 7/8£774

Mon 16/1106:50 -

2 stops23h 09m

Wed 16/1210:57 -

2 stops17h 28m

Deal found 6/8£1,058

Thu 3/909:50 -

2 stops19h 00m

Mon 14/914:03 -

2 stops17h 27m

Deal found 7/8£971

Thu 22/1009:15 -

2 stops19h 35m

Mon 26/1017:57 -

2 stops18h 43m

Deal found 7/8£1,029

Wed 2/915:40 -

2 stops34h 30m

Wed 9/907:00 -

2 stops22h 45m

Deal found 5/8£781

Wed 16/909:35 -

2 stops19h 15m

Mon 28/914:03 -

2 stops17h 17m

Deal found 7/8£974

Wed 2/921:25 -

2 stops30h 05m

Wed 9/912:10 -

2 stops26h 10m

Deal found 5/8£810

Mon 7/919:15 -

2 stops31h 42m

Wed 7/1014:05 -

2 stops37h 05m

Deal found 5/8£993

Thu 3/915:40 -

2 stops33h 30m

Thu 24/911:50 -

2 stops20h 50m

Deal found 4/8£942

Sun 6/1211:55 -

2 stops19h 00m

Tue 22/1212:40 -

2 stops16h 15m

Deal found 7/8£968

Find flight deals from London to San Antonio

Round-trip from	£538
One-way from	£354
Popular in	July
Cheapest in	September
Average price	£1,148

3/9-14/9
2 total stops
42h 51m total
London to San Antonio

Search Deals

24/8
1 total stop
17h 25m total
London to San Antonio

Search Deals

Highest demand for flights based on searches. 16% potential increase in price (£135 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£20 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

LGW London Gatwick - SAT San Antonio

LGWSAT

London Gatwick

Thu 3/9

14:00-08:56

1 stop24h 56m

San Antonio

Mon 14/9

10:05-10:00

1 stop17h 55m

£538

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Mon 7/9

06:40-00:28

2 stops23h 48m

San Antonio

Mon 21/9

13:55-19:55

3 stops24h 00m

£598

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Wed 2/9

18:40-21:04

2 stops32h 24m

San Antonio

Sun 6/9

10:53-17:40

2 stops24h 47m

£601

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Thu 3/9

06:40-21:04

2 stops20h 24m

San Antonio

Mon 14/9

13:55-18:50

3 stops22h 55m

£615

LondonSan Antonio

LGW London Gatwick - SAT San Antonio

LGWSAT

London Gatwick

Tue 1/9

14:00-16:13

2 stops32h 13m

San Antonio

Wed 30/9

10:03-10:00

1 stop17h 57m

£619

LondonSan Antonio

LGW London Gatwick - SAT San Antonio

LGWSAT

London Gatwick

Thu 5/11

11:00-09:02

1 stop28h 02m

San Antonio

Sun 15/11

16:49-16:40

2 stops17h 51m

£659

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Tue 1/9

21:25-21:25

2 stops30h 00m

San Antonio

Wed 30/9

15:35-20:20

2 stops22h 45m

£770

LondonSan Antonio

LGW London Gatwick - SAT San Antonio

LGWSAT

London Gatwick

Thu 22/10

14:00-09:39

1 stop25h 39m

San Antonio

Mon 26/10

12:43-06:00

2 stops36h 17m

£774

LondonSan Antonio

LHR London Heathrow - SAT San Antonio

LHRSAT

London Heathrow

Tue 15/9

06:40-00:13

3 stops23h 33m

San Antonio

Sun 20/9

10:59-21:40

2 stops28h 41m

£775

LondonSan Antonio

LGW London Gatwick - SAT San Antonio

LGWSAT

London Gatwick

Wed 2/9

15:40-20:10

2 stops34h 30m

San Antonio

Wed 9/9

07:00-11:45

2 stops22h 45m

£781

Flights are sorted by cheapest return flights first.

Deals found on 6/8

Showing 1-10 of 47 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

LGW-SAT

LHR-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

LGW-SAT

LHR-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 £713). Flying from London to San Antonio in July is currently the most expensive (average of £1,209). 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 £889 and £1,246 in September.
The cheapest return price found within the last 5 days was £538 on Multiple Airlines (3 Sept–14 Sept).

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

Dallas (DFW) – chosen by Cheapflights users on 62% of one-stop itineraries from London to San Antonio on Cheapflights.

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

Houston (IAH) is the most affordable one-stop option, with an average return flight price of £916.

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 08m.

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 76 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 Virgin Atlantic,Scandinavian Airlines, andUnited Airlines 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.

Virgin Atlantic

7.5

Good

694 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Virgin Atlantic

7.5

Good

694 reviews

Virgin Atlantic

7.5

Good

694 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Scandinavian Airlines

7.4

Good

1,929 reviews

Virgin Atlantic

7.5

Good

694 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

United Airlines

7.4

Good

10,085 reviews

Virgin Atlantic

7.5

Good

694 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

Lufthansa

6.8

Okay

8,177 reviews

Virgin Atlantic

7.5

Good

694 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

British Airways

6.7

Okay

8,153 reviews

Virgin Atlantic

7.5

Good

694 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

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 01m. Fly via Scandinavian Airlines, Lufthansa, or Virgin Atlantic to get the fastest option. The distance from London to San Antonio is about 4986 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 £243. Additional return tickets that might be worth considering are offered by Scandinavian Airlines and Virgin Atlantic, with the lowest prices starting at £557 and £689, 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 £713). Flying from London to San Antonio in July is currently the most expensive (average of £1,209). 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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London City to San Antonio flights

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Southampton to Hobby flights

Edinburgh to Love Field flights

Edinburgh to Austin flights

Top 5 airlines flying from London to San Antonio

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest£243	Average£728	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Scandinavian Airlines	Cheapest£557	Average£665	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Virgin Atlantic	Cheapest£689	Average£1,028	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Lufthansa	Cheapest£704	Average£1,042	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
British Airways	Cheapest£711	Average£909	FlexibilityNo cancel fee	On-time70%	Search British Airways 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 £354

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 24/8. 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 8 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 8 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 8 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 8 August 2026.

Last-minute flights from London to San AntonioDiscover last-minute flight deals from London to San Antonio. Data last updated 8 August 2026 and is based on user searches.

Discover last-minute flight deals from London to San Antonio. Data last updated 8 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 8 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 8 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 £889 and £1,246 in September.The cheapest return price found within the last 5 days was £538 on Multiple Airlines (3 Sept–14 Sept).

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 62% 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.

Houston (IAH) is the most affordable one-stop option, with an average return flight price of £916.

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 08m.

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 76 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

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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

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Search flights from London to San Antonio by cabin class

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London and San Antonio flights

Browse other London and San Antonio flight options. Last updated on 8 August 2026.

Other flights from London

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Top 5 airlines flying from London to San Antonio

Fly with Cheapflights

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

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

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

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

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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 8 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 8 August 2026.

Last-minute flights from London to San Antonio
Discover last-minute flight deals from London to San Antonio. Data last updated 8 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 8 August 2026.

London to San Antonio flights typically cost between £889 and £1,246 in September.
The cheapest return price found within the last 5 days was £538 on Multiple Airlines (3 Sept–14 Sept).