How long is the flight from London to San Antonio?

There are many flights that can get you from London to San Antonio in 14h 42m. Fly via Scandinavian Airlines, Virgin Atlantic, or American Airlines 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 Finnair is currently your cheapest option to San Antonio, with prices starting at £500. Additional return tickets that might be worth considering are offered by Iberia and Scandinavian Airlines, with the lowest prices starting at £525 and £586, respectively. You may be able to fly from London to San Antonio for 31% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from London to San Antonio one-way?

The cheapest airline one-way is KLM, with whom users have recently found tickets for as low as £566. However, be on the lookout for offers from Virgin Atlantic and Delta, as they are both options that can get you from London to San Antonio for a low price.

What is the cheapest day to fly from London to San Antonio?

Travellers seeking maximum savings on their London to San Antonio flight should consider departing on Saturday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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: Finnair, British Airways or Iberia.

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. 7 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.

£296+ Cheap Flights from London to San Antonio

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

Airfare is typical for this route at the moment. London to San Antonio flights typically cost between £552 and £709 in September. The cheapest return flight price found within the last 3 days was £574 on Multiple Airlines (29 Sept-13 Oct).

Cheapflights Tip: The best prices from London to San Antonio are usually found in February or March, booked 75 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from London to San Antonio

Round-trip from	£574
One-way from	£296
Popular in	August
Cheapest in	February
Average price	£688

29/9-13/10
3 total stops
73h 47m total
London to San Antonio

Search Deals

27/9
2 total stops
25h 10m total
London to San Antonio

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£96 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from London to San Antonio

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 18 September 2025.

Mon 29/909:50LGW - SAT

2 stops41h 02mMultiple Airlines

Mon 13/1019:15SAT - LGW

1 stop32h 45mMultiple Airlines

Deal found 16/9£574

Sat 1/1113:25LHR - SAT

3 stops35h 05mMultiple Airlines

Sat 15/1106:00SAT - LHR

3 stops23h 20mMultiple Airlines

Deal found 17/9£578

Sat 6/1211:20LHR - SAT

2 stops30h 27mMultiple Airlines

Sat 13/1218:23SAT - LHR

2 stops16h 27mMultiple Airlines

Deal found 17/9£586

Fri 26/906:40LHR - SAT

2 stops23h 12mScandinavian Airlines

Tue 7/1012:23SAT - LHR

2 stops23h 17mScandinavian Airlines

Deal found 16/9£588

Sat 1/1106:40LHR - SAT

2 stops22h 40mScandinavian Airlines

Sat 8/1112:23SAT - LHR

2 stops21h 37mScandinavian Airlines

Deal found 17/9£593

Wed 29/1006:40LHR - SAT

2 stops22h 40mScandinavian Airlines

Mon 10/1114:46SAT - LHR

3 stops22h 04mScandinavian Airlines

Deal found 16/9£593

Sat 1/1108:30LGW - SAT

3 stops40h 00mMultiple Airlines

Sat 15/1106:00SAT - LGW

3 stops32h 40mMultiple Airlines

Deal found 17/9£602

Thu 30/1018:40LHR - SAT

2 stops34h 40mScandinavian Airlines

Fri 9/110:45SAT - LHR

2 stops40h 35mScandinavian Airlines

Deal found 17/9£615

Wed 29/1019:30LHR - SAT

2 stops33h 50mScandinavian Airlines

Sat 10/110:45SAT - LHR

2 stops23h 15mScandinavian Airlines

Deal found 17/9£616

Sat 1/1112:20LCY - SAT

3 stops33h 30mMultiple Airlines

Sat 15/1106:00SAT - LCY

3 stops30h 35mMultiple Airlines

Deal found 17/9£625

Sat 1/1108:00LHR - SAT

2 stops18h 20mUnited Airlines

Sat 8/1107:05SAT - LHR

3 stops19h 25mUnited Airlines

Deal found 17/9£646

Wed 29/1013:00LHR - SAT

1 stop14h 42mVirgin Atlantic

Mon 10/1118:22SAT - LHR

1 stop11h 18mVirgin Atlantic

Deal found 16/9£648

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 18 September 2025.

Wed 29/1006:40LHR - SAT

2 stops22h 40mScandinavian Airlines

Mon 10/1114:46SAT - LHR

3 stops22h 04mScandinavian Airlines

Deal found 16/9£593

Sat 1/1108:30LGW - SAT

3 stops40h 00mMultiple Airlines

Sat 15/1106:00SAT - LGW

3 stops32h 40mMultiple Airlines

Deal found 17/9£602

Wed 29/1013:00LHR - SAT

1 stop14h 42mVirgin Atlantic

Mon 10/1118:22SAT - LHR

1 stop11h 18mVirgin Atlantic

Deal found 16/9£648

Sat 1/1107:30LHR - SAT

2 stops17h 45mLufthansa

Sat 8/1112:12SAT - LHR

1 stop16h 38mLufthansa

Deal found 17/9£654

Wed 8/1007:25LHR - SAT

2 stops20h 04mUnited Airlines

Tue 14/1017:56SAT - LHR

1 stop11h 39mUnited Airlines

Deal found 16/9£656

Fri 6/311:20LGW - SAT

2 stops34h 39mAmerican Airlines

Tue 10/317:08SAT - LGW

2 stops33h 22mAmerican Airlines

Deal found 15/9£663

Wed 29/1010:05LGW - SAT

2 stops41h 51mTurkish Airlines

Mon 10/1118:00SAT - LGW

2 stops22h 35mTurkish Airlines

Deal found 16/9£1,155

Sat 1/1112:20LCY - SAT

3 stops33h 30mMultiple Airlines

Sat 15/1106:00SAT - LCY

3 stops30h 35mMultiple Airlines

Deal found 17/9£625

Thu 5/207:05LHR - SAT

3 stops22h 28mScandinavian Airlines

Thu 19/216:10SAT - LHR

2 stops20h 20mScandinavian Airlines

Deal found 16/9£629

Fri 31/1007:30LHR - SAT

2 stops17h 45mUnited Airlines

Fri 7/1111:40SAT - LHR

2 stops15h 30mUnited Airlines

Deal found 16/9£659

Fri 31/1008:30LHR - SAT

2 stops19h 26mLufthansa

Fri 7/1116:24SAT - LHR

1 stop11h 51mLufthansa

Deal found 16/9£659

Thu 5/214:00LGW - SAT

1 stop14h 27mMultiple Airlines

Thu 19/215:02SAT - LGW

2 stops22h 13mMultiple Airlines

Deal found 16/9£636

Wed 29/1009:30LHR - SAT

2 stops18h 26mLufthansa

Mon 10/1112:49SAT - LHR

1 stop13h 36mLufthansa

Deal found 16/9£659

Sat 1/1108:40LCY - SAT

2 stops20h 40mVirgin Atlantic

Thu 13/1111:50SAT - LCY

2 stops15h 40mVirgin Atlantic

Deal found 17/9£734

Thu 5/206:50LHR - SAT

2 stops20h 06mMultiple Airlines

Thu 19/212:17SAT - LHR

1 stop12h 23mMultiple Airlines

Deal found 16/9£637

Sat 1/1108:40LCY - SAT

2 stops19h 02mVirgin Atlantic

Sat 8/1112:23SAT - LCY

2 stops18h 52mVirgin Atlantic

Deal found 17/9£779

Sat 1/1113:30LHR - SAT

2 stops36h 45mMultiple Airlines

Fri 14/1119:30SAT - LHR

2 stops29h 40mMultiple Airlines

Deal found 17/9£653

Sat 1/1113:30LHR - SAT

2 stops36h 45mMultiple Airlines

Wed 12/1119:30SAT - LHR

2 stops29h 40mMultiple Airlines

Deal found 17/9£653

Sat 6/1212:20LCY - SAT

3 stops32h 51mMultiple Airlines

Sat 13/1206:00SAT - LCY

3 stops29h 05mMultiple Airlines

Deal found 17/9£661

Fri 31/1014:00LGW - SAT

1 stop32h 10mMultiple Airlines

Fri 7/1106:00SAT - LGW

2 stops21h 45mMultiple Airlines

Deal found 16/9£667

Mon 29/917:15LGW - SAT

2 stops35h 20mTurkish Airlines

Mon 13/1011:45SAT - LGW

2 stops28h 35mTurkish Airlines

Deal found 16/9£1,202

Wed 29/1009:50LCY - SAT

2 stops27h 58mMultiple Airlines

Mon 10/1112:12SAT - LCY

2 stops18h 38mMultiple Airlines

Deal found 16/9£678

Fri 31/1006:25LGW - SAT

2 stops21h 31mTurkish Airlines

Fri 7/1118:00SAT - LGW

2 stops33h 10mTurkish Airlines

Deal found 16/9£1,289

Thu 5/209:40LCY - SAT

2 stops17h 41mMultiple Airlines

Thu 19/207:00SAT - LCY

2 stops20h 20mMultiple Airlines

Deal found 16/9£684

Fri 31/1009:55LCY - SAT

2 stops18h 01mMultiple Airlines

Fri 7/1112:12SAT - LCY

2 stops17h 28mMultiple Airlines

Deal found 16/9£684

Thu 13/1109:40LCY - SAT

2 stops19h 16mMultiple Airlines

Sun 16/1114:14SAT - LCY

2 stops20h 26mMultiple Airlines

Deal found 17/9£686

Wed 8/1008:45LCY - SAT

2 stops18h 44mMultiple Airlines

Tue 14/1011:55SAT - LCY

2 stops18h 35mMultiple Airlines

Deal found 16/9£713

Wed 29/1013:00LGW - SAT

2 stops31h 50mMultiple Airlines

Mon 10/1106:00SAT - LGW

1 stop22h 00mMultiple Airlines

Deal found 16/9£739

Sat 1/1112:20LCY - SAT

2 stops37h 55mMultiple Airlines

Wed 12/1114:14SAT - LCY

2 stops20h 26mMultiple Airlines

Deal found 17/9£843

Sat 1/1106:25LGW - SAT

2 stops21h 31mMultiple Airlines

Sat 8/1118:00SAT - LGW

2 stops22h 35mMultiple Airlines

Deal found 17/9£1,206

Last-minute flights from London to San Antonio
Discover last-minute flight deals from London to San Antonio. Data last updated 18 September 2025 and is based on user searches.

Fri 26/906:40LHR - SAT

2 stops23h 12mScandinavian Airlines

Tue 7/1012:23SAT - LHR

2 stops23h 17mScandinavian Airlines

Deal found 16/9£588

Mon 29/909:50LGW - SAT

2 stops41h 02mMultiple Airlines

Mon 13/1019:15SAT - LGW

1 stop32h 45mMultiple Airlines

Deal found 16/9£574

Mon 29/911:20LHR - SAT

1 stop14h 08mVirgin Atlantic

Mon 13/1012:23SAT - LHR

1 stop12h 22mVirgin Atlantic

Deal found 16/9£662

Wed 8/1012:00LHR - SAT

1 stop13h 43mBritish Airways

Tue 14/1012:31SAT - LHR

1 stop11h 54mBritish Airways

Deal found 16/9£651

Wed 8/1007:25LHR - SAT

2 stops18h 05mUnited Airlines

Tue 14/1014:25SAT - LHR

2 stops15h 00mUnited Airlines

Deal found 16/9£656

Wed 8/1011:00LHR - SAT

1 stop19h 31mVirgin Atlantic

Tue 14/1018:15SAT - LHR

1 stop12h 55mVirgin Atlantic

Deal found 16/9£662

Wed 29/1006:40LHR - SAT

2 stops22h 40mScandinavian Airlines

Mon 10/1114:46SAT - LHR

3 stops22h 04mScandinavian Airlines

Deal found 16/9£593

Wed 29/1019:30LHR - SAT

2 stops33h 50mScandinavian Airlines

Sat 10/110:45SAT - LHR

2 stops23h 15mScandinavian Airlines

Deal found 17/9£616

Wed 29/1013:00LHR - SAT

1 stop14h 42mVirgin Atlantic

Mon 10/1118:22SAT - LHR

1 stop11h 18mVirgin Atlantic

Deal found 16/9£648

Wed 29/1009:30LHR - SAT

2 stops18h 26mUnited Airlines

Mon 12/119:30SAT - LHR

1 stop30h 00mUnited Airlines

Deal found 17/9£661

Thu 30/1018:40LHR - SAT

2 stops34h 40mScandinavian Airlines

Fri 9/110:45SAT - LHR

2 stops40h 35mScandinavian Airlines

Deal found 17/9£615

Fri 31/1008:30LHR - SAT

2 stops19h 26mLufthansa

Fri 7/1116:24SAT - LHR

1 stop11h 51mLufthansa

Deal found 16/9£659

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 18 September 2025.

Sat 27/914:00LGW - SAT

2 stops25h 10mMultiple Airlines

Deal found 16/9£296

Thu 15/114:00LGW - SAT

1 stop14h 27mMultiple Airlines

Deal found 16/9£304

Thu 15/109:55LHR - SAT

2 stops34h 12mMultiple Airlines

Deal found 16/9£330

Tue 9/1212:10LHR - SAT

3 stops33h 01mMultiple Airlines

Deal found 16/9£369

Sun 15/214:50LHR - SAT

3 stops30h 21mMultiple Airlines

Deal found 16/9£410

Mon 5/107:50LHR - SAT

3 stops51h 19mMultiple Airlines

Deal found 17/9£470

Sun 15/211:40LGW - SAT

2 stops29h 53mMultiple Airlines

Deal found 16/9£491

Mon 5/119:25LGW - SAT

3 stops49h 31mMultiple Airlines

Deal found 17/9£495

Tue 9/1210:40LGW - SAT

3 stops34h 31mMultiple Airlines

Deal found 16/9£497

Sat 27/920:50LHR - SAT

3 stops52h 42mMultiple Airlines

Deal found 16/9£529

Tue 9/1209:10LCY - SAT

3 stops36h 01mMultiple Airlines

Deal found 16/9£556

Mon 8/1208:55LHR - SAT

1 stop14h 23mKLM

Deal found 16/9£566

Fly from

Fly to

Route

Depart

Return

Price

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 29/10

06:40-00:20

2 stops22h 40m

San Antonio

Mon 10/11

14:46-18:50

3 stops22h 04m

£593

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Sat 1/11

08:30-19:30

3 stops40h 00m

San Antonio

Sat 15/11

06:00-20:40

3 stops32h 40m

£602

LondonSan Antonio

LCY - SAT

LCYSAT

London City

Sat 1/11

12:20-16:50

3 stops33h 30m

San Antonio

Sat 15/11

06:00-18:35

3 stops30h 35m

£625

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Thu 5/2

07:05-23:33

3 stops22h 28m

San Antonio

Thu 19/2

16:10-18:30

2 stops20h 20m

£629

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Thu 5/2

14:00-22:27

1 stop14h 27m

San Antonio

Thu 19/2

15:02-19:15

2 stops22h 13m

£636

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Thu 5/2

06:50-20:56

2 stops20h 06m

San Antonio

Thu 19/2

12:17-06:40

1 stop12h 23m

£637

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 29/10

13:00-22:42

1 stop14h 42m

San Antonio

Mon 10/11

18:22-11:40

1 stop11h 18m

£648

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Sat 1/11

13:30-21:15

2 stops36h 45m

San Antonio

Fri 14/11

19:30-07:10

2 stops29h 40m

£653

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Sat 1/11

13:30-21:15

2 stops36h 45m

San Antonio

Wed 12/11

19:30-07:10

2 stops29h 40m

£653

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Sat 1/11

07:30-20:15

2 stops17h 45m

San Antonio

Sat 8/11

12:12-10:50

1 stop16h 38m

£654

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Showing 1-10 of 53 results

...

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.

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

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 75 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.

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

Currently, January is the cheapest month in which you can book a flight from London to San Antonio (average of £732). Flying from London to San Antonio in August is currently the most expensive (average of £1,125). 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.

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

One of the essential ways to save on airfare from London to San Antonio is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at midday could potentially save you up to 11% on airfare.

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

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

Dallas (DFW) – chosen by Cheapflights users on 70% of one-stop itineraries from London to San Antonio on Cheapflights.

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

Dallas (DFW) is the most affordable one-stop option, with an average return flight price of £710.

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

Flights via Charlotte (CLT) have the shortest average one-way travel time for one-stop routes: 13h 00m.

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 00m.

Reviews of airlines servicing San Antonio

Read reviews from past customers who have flown with Finnair, 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.

Finnair

7.6

Good

1,324 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

I was lucky I had a seet without no one next to me My vegetarian meal was excellent. The service very good. Although there was a lot of turbulences during the flight, the landing was very soft and took away all our apprehension.

Finnair

7.6

Good

1,324 reviews

Finnair

7.6

Good

1,324 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

Scandinavian Airlines

7.4

Good

1,486 reviews

Finnair

7.6

Good

1,324 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

United Airlines

7.4

Good

8,926 reviews

Finnair

7.6

Good

1,324 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

Virgin Atlantic

7.4

Good

664 reviews

Finnair

7.6

Good

1,324 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

British Airways

6.7

Okay

7,367 reviews

Finnair

7.6

Good

1,324 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,May 2025

FRA - DFW

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. 7 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 14h 42m. Fly via Scandinavian Airlines, Virgin Atlantic, or American Airlines 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 Finnair is currently your cheapest option to San Antonio, with prices starting at £500. Additional return tickets that might be worth considering are offered by Iberia and Scandinavian Airlines, with the lowest prices starting at £525 and £586, respectively. You may be able to fly from London to San Antonio for 31% less than the average price by searching for these airlines.
What are the cheapest airlines to fly from London to San Antonio one-way?
The cheapest airline one-way is KLM, with whom users have recently found tickets for as low as £566. However, be on the lookout for offers from Virgin Atlantic and Delta, as they are both options that can get you from London to San Antonio for a low price.
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, January is the cheapest month in which you can book a flight from London to San Antonio (average of £732). Flying from London to San Antonio in August is currently the most expensive (average of £1,125). 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 7 airlines flying from London to San Antonio

Airline	Cheapest	Average	Flexibility	On-time
Finnair	Cheapest£500	Average£588	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Iberia	Cheapest£525	Average£794	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
Scandinavian Airlines	Cheapest£586	Average£740	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Virgin Atlantic	Cheapest£665	Average£803	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
United Airlines	Cheapest£682	Average£773	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
British Airways	Cheapest£688	Average£826	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Lufthansa	Cheapest£695	Average£884	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights

Fly with Cheapflights

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 £296

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 27/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from London to San Antonio are usually found in February or March, booked 75 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from London to San Antonio

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Find 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 18 September 2025.

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 18 September 2025.

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

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

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

Use this chart to determine the optimal time to book a return flight from London to San Antonio. Price data was last updated on 12 September 2025.

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

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

Find hourly flight availability from London to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 September 2025.

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

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.

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.

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.

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.

Reviews of airlines servicing San Antonio

Read reviews from past customers who have flown with Finnair, 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.

Related info for your journey

Find useful and relevant information for your journey from London to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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 cheapest airlines to fly from London to San Antonio one-way?

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.

Top 7 airlines flying from London to San Antonio

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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 18 September 2025.