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Cheap flights from the United Kingdom to San Antonio from £366

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 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SAT
7 Aug — 14 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to San Antonio

Enter your travel dates to find the best prices.

Cheapest flights from United Kingdom to San Antonio
Explore the most affordable flight options available from United Kingdom to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 July 2026.

Wed 2/1210:20
LHR
-
SAT
2 stops18h 58m
Scandinavian Airlines
Sun 6/1216:10
SAT
-
LHR
2 stops19h 30m
Scandinavian Airlines
Deal found 5/7£591
Sat 5/906:40
LHR
-
SAT
2 stops20h 24m
Scandinavian Airlines
Sat 19/914:00
SAT
-
LHR
2 stops20h 00m
Scandinavian Airlines
Deal found 5/7£668
Sun 13/914:00
LGW
-
SAT
1 stop25h 02m
Multiple Airlines
Sat 19/911:08
SAT
-
LGW
2 stops40h 52m
Multiple Airlines
Deal found 5/7£668
Thu 15/1006:40
LHR
-
SAT
2 stops23h 28m
Scandinavian Airlines
Tue 20/1010:48
SAT
-
LHR
2 stops24h 52m
Scandinavian Airlines
Deal found 3/7£682
Thu 20/806:40
LHR
-
SAT
2 stops20h 24m
Scandinavian Airlines
Mon 31/814:43
SAT
-
LHR
2 stops36h 37m
Scandinavian Airlines
Deal found 5/7£687
Thu 20/806:40
LHR
-
SAT
2 stops23h 48m
Scandinavian Airlines
Mon 21/913:55
SAT
-
LHR
2 stops25h 45m
Scandinavian Airlines
Deal found 7/7£688
Thu 17/919:15
BHX
-
SAT
2 stops34h 55m
Scandinavian Airlines
Mon 21/913:55
SAT
-
BHX
2 stops22h 40m
Scandinavian Airlines
Deal found 7/7£695
Sat 7/1117:00
LHR
-
SAT
2 stops37h 27m
Scandinavian Airlines
Sat 14/1116:10
SAT
-
LHR
2 stops23h 30m
Scandinavian Airlines
Deal found 4/7£703
Thu 15/1011:20
LHR
-
SAT
2 stops39h 53m
Multiple Airlines
Tue 20/1013:20
SAT
-
LHR
1 stop13h 30m
Multiple Airlines
Deal found 3/7£705
Thu 13/814:00
LGW
-
SAT
1 stop24h 56m
Multiple Airlines
Tue 18/820:26
SAT
-
LGW
2 stops31h 34m
Multiple Airlines
Deal found 7/7£712
Thu 20/814:00
LGW
-
SAT
2 stops56h 58m
Multiple Airlines
Mon 21/909:57
SAT
-
LGW
1 stop18h 03m
Multiple Airlines
Deal found 7/7£715
Tue 15/910:20
LHR
-
SAT
2 stops19h 53m
Scandinavian Airlines
Sun 20/913:55
SAT
-
LHR
2 stops25h 45m
Scandinavian Airlines
Deal found 6/7£719

Find flight deals from United Kingdom to San Antonio

Keep the following information in mind while searching for United Kingdom to San Antonio flight deals. Data was last updated 8 July 2026.

Round-trip from

£591

One-way from

£366

Popular in

July

Cheapest in

September

Average price

£1,088
Scandinavian Airlines
  • Scandinavian Airlines
  • 2/12-6/12
  • 4 total stops
  • 38h 28m total
  • United Kingdom to San Antonio
Search Deals
15/9
  • 15/9
  • 3 total stops
  • 49h 47m total
  • United Kingdom to San Antonio
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£79 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£15 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 United Kingdom 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 8 July 2026.
Use the filters below to find and compare flights from the United Kingdom 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

£591

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Mon 14/9

06:40-00:10

2 stops23h 30m

San Antonio

Fri 18/9

13:55-09:20

2 stops37h 25m

£591

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Mon 14/9

06:40-00:10

2 stops23h 30m

San Antonio

Sat 19/9

14:00-09:20

2 stops37h 20m

£591

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Sun 13/9

14:00-09:02

1 stop25h 02m

San Antonio

Sat 19/9

11:08-10:00

2 stops40h 52m

£668

BirminghamSan Antonio

BHX - SAT

BHXSAT

Birmingham

Thu 17/9

19:15-00:10

2 stops34h 55m

San Antonio

Mon 21/9

13:55-18:35

2 stops22h 40m

£695

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Tue 15/9

10:20-00:13

2 stops19h 53m

San Antonio

Sun 20/9

13:55-21:40

2 stops25h 45m

£719

ManchesterSan Antonio

MAN - SAT

MANSAT

Manchester

Wed 26/8

09:35-23:56

2 stops20h 21m

San Antonio

Thu 3/9

14:43-19:45

3 stops23h 02m

£739
Fastest return journey

EdinburghSan Antonio

EDI - SAT

EDISAT

Edinburgh Turnhouse

Wed 9/9

11:30-21:13

1 stop15h 43m

San Antonio

Tue 15/9

08:50-07:20

1 stop16h 30m

£774

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Thu 3/9

13:00-19:10

2 stops36h 10m

San Antonio

Tue 15/9

07:55-14:40

2 stops24h 45m

£786

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

£798

Flights are sorted by cheapest return flights first.

Deals found on 4/7

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
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6

Best time to book a flight from United Kingdom to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from United Kingdom 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 the United Kingdom to San Antonio

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

Currently, June is the cheapest month in which you can book a flight from United Kingdom to San Antonio (average of £244). Flying from United Kingdom to San Antonio in May is currently the most expensive (average of £628). 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 far ahead should I book a flight from United Kingdom to San Antonio?

Booking 82 days in advance of your planned departure date is, on average, the best time to get cheap flights from United Kingdom to San Antonio. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 8 July 2026.
Read reviews from past customers who have flown with Virgin Atlantic,Scandinavian Airlines, andUnited Airlines from the United Kingdom 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
692 reviews
Check prices

Overall

7.5

Crew

8.1

Entertainment

7.5

Boarding

7.7

Food

6.9

Comfort

7.3

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
692 reviews
Virgin Atlantic
7.5
Good
692 reviews
Check prices

Overall

7.5

Crew

8.1

Entertainment

7.5

Boarding

7.7

Food

6.9

Comfort

7.3

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
1,872 reviews
Virgin Atlantic
7.5
Good
692 reviews
Check prices

Overall

7.5

Crew

8.1

Entertainment

7.5

Boarding

7.7

Food

6.9

Comfort

7.3

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
9,948 reviews
Virgin Atlantic
7.5
Good
692 reviews
Check prices

Overall

7.5

Crew

8.1

Entertainment

7.5

Boarding

7.7

Food

6.9

Comfort

7.3

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
8,125 reviews
Virgin Atlantic
7.5
Good
692 reviews
Check prices

Overall

7.5

Crew

8.1

Entertainment

7.5

Boarding

7.7

Food

6.9

Comfort

7.3

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
8,103 reviews
Virgin Atlantic
7.5
Good
692 reviews
Check prices

Overall

7.5

Crew

8.1

Entertainment

7.5

Boarding

7.7

Food

6.9

Comfort

7.3

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 United Kingdom 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 United Kingdom?

    San Antonio (SAT), located 7.6 mi from the city center, is the airport you fly into when you book flights from United Kingdom to San Antonio.

  • How long is the flight from United Kingdom to San Antonio?

    A quick flight from United Kingdom to San Antonio can take about 17h 04m. Scandinavian Airlines provides one of the quickest options available for as low as £926. There are 4986 mi between United Kingdom and San Antonio. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the cheapest airlines to fly from United Kingdom to San Antonio one-way?

    The cheapest airline one-way is British Airways, with whom users have recently found tickets for as low as £571. However, be on the lookout for offers from KLM and Finnair, as they are both options that can get you from United Kingdom to San Antonio for a low price.

  • What are the most popular routes from United Kingdom to San Antonio?

    The most popular route from United Kingdom 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 United Kingdom to San Antonio that include hotel bookings?

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

  • How can I find direct flights from United Kingdom to San Antonio?

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

  • Can I find deals for business class flights from United Kingdom to San Antonio?

    Yes. Cheapflights offers flight deals from United Kingdom 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 United Kingdom to San Antonio?

    Currently, June is the cheapest month in which you can book a flight from United Kingdom to San Antonio (average of £244). Flying from United Kingdom to San Antonio in May is currently the most expensive (average of £628). 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 United Kingdom to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from United Kingdom to San Antonio

Discover the top 6 airlines that operate flights from United Kingdom 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 8 July 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£340Average£775FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Scandinavian AirlinesCheapest£582Average£713FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Virgin AtlanticCheapest£691Average£998FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£709Average£916FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£716Average£1,038FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£722Average£778FlexibilityNo cancel feeOn-time75%
Search KLM 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 United Kingdom to San Antonio?

When you search for this flight from United Kingdom to San Antonio, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Millions of users choose and trust Cheapflights to book the best flight deals from United Kingdom to San Antonio for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes, we can. To see specific flights from United Kingdom to San Antonio with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Not ready to book yet? You can track prices for flights from United Kingdom to San Antonio on Cheapflights with our Price Alert feature and get notified when better prices are available.

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