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Cheap flights from London to San Antonio from £356

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 28/10. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SAT
2 Aug — 9 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to San Antonio

Enter your travel dates to find the best prices.

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 3 July 2026.

Mon 23/1106:40
LHR
-
SAT
2 stops21h 47m
Scandinavian Airlines
Mon 30/1116:10
SAT
-
LHR
2 stops19h 30m
Scandinavian Airlines
Deal found 1/7£565
Sun 22/1106:40
LHR
-
SAT
2 stops21h 47m
Scandinavian Airlines
Wed 25/1113:41
SAT
-
LHR
2 stops25h 59m
Scandinavian Airlines
Deal found 29/6£578
Wed 2/1210:20
LHR
-
SAT
2 stops18h 58m
Scandinavian Airlines
Sun 6/1216:10
SAT
-
LHR
2 stops19h 30m
Scandinavian Airlines
Deal found 28/6£588
Fri 28/817:00
LHR
-
SAT
2 stops35h 43m
Scandinavian Airlines
Fri 11/913:55
SAT
-
LHR
2 stops37h 25m
Scandinavian Airlines
Deal found 2/7£590
Mon 14/906:40
LHR
-
SAT
2 stops23h 30m
Scandinavian Airlines
Sat 19/914:00
SAT
-
LHR
2 stops37h 20m
Scandinavian Airlines
Deal found 3/7£593
Thu 1/1006:40
LHR
-
SAT
2 stops20h 38m
Scandinavian Airlines
Sun 1/1113:41
SAT
-
LHR
2 stops21h 59m
Scandinavian Airlines
Deal found 30/6£594
Fri 28/814:00
LGW
-
SAT
1 stop24h 56m
Multiple Airlines
Fri 11/922:34
SAT
-
LGW
2 stops53h 26m
Multiple Airlines
Deal found 2/7£645
Wed 15/706:25
LGW
-
SAT
2 stops20h 48m
Multiple Airlines
Sat 25/716:26
SAT
-
LGW
1 stop35h 34m
Multiple Airlines
Deal found 29/6£665
Thu 13/806:40
LHR
-
SAT
2 stops23h 48m
Scandinavian Airlines
Mon 14/913:55
SAT
-
LHR
2 stops21h 45m
Scandinavian Airlines
Deal found 29/6£668
Mon 14/1206:40
LHR
-
SAT
2 stops23h 48m
Scandinavian Airlines
Mon 28/1216:10
SAT
-
LHR
2 stops19h 30m
Scandinavian Airlines
Deal found 2/7£671
Thu 1/1014:00
LGW
-
SAT
1 stop25h 02m
Multiple Airlines
Sun 1/1109:25
SAT
-
LGW
2 stops19h 30m
Multiple Airlines
Deal found 30/6£714
Fri 31/714:00
LGW
-
SAT
1 stop31h 41m
Multiple Airlines
Sun 9/819:49
SAT
-
LGW
2 stops32h 11m
Multiple Airlines
Deal found 30/6£723

Find flight deals from London to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 3 July 2026.

Round-trip from

£565

One-way from

£356

Popular in

July

Cheapest in

September

Average price

£1,065
Scandinavian Airlines
  • Scandinavian Airlines
  • 23/11-30/11
  • 4 total stops
  • 41h 17m total
  • London to San Antonio
Search Deals
28/10
  • 28/10
  • 3 total stops
  • 37h 51m total
  • London to San Antonio
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£66 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to San Antonio that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 3 July 2026.
Use the filters below to find and compare flights from London to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 2/12

10:20-23:18

2 stops18h 58m

San Antonio

Sun 6/12

16:10-17:40

2 stops19h 30m

£590

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Thu 1/10

07:05-00:10

3 stops23h 05m

San Antonio

Sun 1/11

13:41-21:40

2 stops25h 59m

£611

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Mon 14/12

06:40-00:28

3 stops23h 48m

San Antonio

Mon 28/12

16:10-21:40

2 stops23h 30m

£686

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Thu 1/10

14:00-09:02

1 stop25h 02m

San Antonio

Sun 1/11

09:25-10:55

2 stops19h 30m

£714

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Thu 27/8

06:40-21:04

2 stops20h 24m

San Antonio

Mon 31/8

14:43-18:50

3 stops22h 07m

£721

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Tue 1/9

13:00-21:25

2 stops38h 25m

San Antonio

Tue 15/9

07:55-14:40

2 stops24h 45m

£746

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Tue 15/9

07:05-00:13

3 stops23h 08m

San Antonio

Sun 20/9

13:55-21:40

2 stops25h 45m

£760

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Sun 16/8

07:00-21:05

3 stops44h 05m

San Antonio

Sat 29/8

08:40-22:50

2 stops32h 10m

£777

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Sat 3/10

21:25-01:00

2 stops33h 35m

San Antonio

Wed 21/10

11:15-20:20

2 stops27h 05m

£797

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Mon 7/12

10:20-23:18

2 stops18h 58m

San Antonio

Mon 21/12

14:10-16:25

3 stops20h 15m

£807

Flights are sorted by cheapest return flights first.

Deals found on 29/6

Showing 1-10 of 57 resultsSorted by cheapest first
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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

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

Currently, June is the cheapest month in which you can book a flight from London to San Antonio (average of £245). Flying from London to San Antonio in January is currently the most expensive (average of £706). 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?

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 56% 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.

Dallas (DFW) is the most affordable one-stop option, with an average return flight price of £727.

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 04m.

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 79 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

Get insights into the airlines that provide service to San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Antonio. Reviews last updated 3 July 2026.
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
690 reviews
Check prices

Overall

7.5

Boarding

7.7

Entertainment

7.5

Crew

8.1

Comfort

7.3

Food

6.9

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
690 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Overall

7.5

Boarding

7.7

Entertainment

7.5

Crew

8.1

Comfort

7.3

Food

6.9

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
1,862 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Overall

7.5

Boarding

7.7

Entertainment

7.5

Crew

8.1

Comfort

7.3

Food

6.9

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
9,928 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Overall

7.5

Boarding

7.7

Entertainment

7.5

Crew

8.1

Comfort

7.3

Food

6.9

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
8,108 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Overall

7.5

Boarding

7.7

Entertainment

7.5

Crew

8.1

Comfort

7.3

Food

6.9

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
8,091 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Overall

7.5

Boarding

7.7

Entertainment

7.5

Crew

8.1

Comfort

7.3

Food

6.9

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

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?

    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 58m. Fly via Scandinavian Airlines or Iberia 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 £341. Additional return tickets that might be worth considering are offered by Scandinavian Airlines and Virgin Atlantic, with the lowest prices starting at £584 and £693, respectively. You may be able to fly from London to San Antonio for 60% 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, June is the cheapest month in which you can book a flight from London to San Antonio (average of £245). Flying from London to San Antonio in January is currently the most expensive (average of £706). 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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Alternative routes for London to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from London to San Antonio

Discover the top 5 airlines that operate flights from London to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 3 July 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£341Average£789FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Scandinavian AirlinesCheapest£584Average£826FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Virgin AtlanticCheapest£693Average£1,039FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£712Average£1,042FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£719Average£920FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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?

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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