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Cheap flights from the United Kingdom to San Antonio from £397

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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SAT
23 Jul — 30 Jul1
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 23 June 2026.

Sat 19/906:30
LHR
-
SAT
2 stops16h 33m
Virgin Atlantic
Sat 3/1014:00
SAT
-
LHR
2 stops15h 20m
Virgin Atlantic
Deal found 23/6£496
Sat 19/906:40
LHR
-
SAT
2 stops22h 40m
Scandinavian Airlines
Sat 3/1014:00
SAT
-
LHR
2 stops20h 00m
Scandinavian Airlines
Deal found 23/6£569
Thu 1/1014:00
LGW
-
SAT
1 stop25h 02m
Multiple Airlines
Thu 15/1015:10
SAT
-
LGW
2 stops36h 50m
Multiple Airlines
Deal found 23/6£589
Sun 11/1014:00
LGW
-
SAT
1 stop25h 39m
Multiple Airlines
Sun 18/1009:25
SAT
-
LGW
2 stops18h 35m
Multiple Airlines
Deal found 19/6£658
Thu 27/814:00
LGW
-
SAT
1 stop24h 56m
Multiple Airlines
Sun 30/819:49
SAT
-
LGW
2 stops33h 56m
Multiple Airlines
Deal found 18/6£690
Mon 19/1006:00
LHR
-
SAT
2 stops21h 13m
Multiple Airlines
Wed 28/1014:10
SAT
-
LHR
1 stop11h 15m
Multiple Airlines
Deal found 22/6£703
Sun 1/1106:40
LHR
-
SAT
2 stops23h 48m
Scandinavian Airlines
Tue 1/1216:10
SAT
-
LHR
2 stops19h 30m
Scandinavian Airlines
Deal found 23/6£722
Fri 30/1006:00
LHR
-
SAT
3 stops23h 28m
Multiple Airlines
Wed 11/1106:30
SAT
-
LHR
1 stop18h 35m
Multiple Airlines
Deal found 20/6£728
Sat 3/1017:00
LHR
-
SAT
2 stops37h 16m
Scandinavian Airlines
Wed 21/1012:10
SAT
-
LHR
2 stops23h 30m
Scandinavian Airlines
Deal found 19/6£737
Fri 30/1007:05
LHR
-
SAT
3 stops22h 23m
Scandinavian Airlines
Wed 11/1114:10
SAT
-
LHR
2 stops21h 30m
Scandinavian Airlines
Deal found 20/6£740
Mon 20/714:00
LGW
-
SAT
2 stops34h 44m
Multiple Airlines
Mon 27/709:51
SAT
-
LGW
1 stop18h 09m
Multiple Airlines
Deal found 22/6£742
Sun 11/1006:00
LHR
-
SAT
3 stops23h 20m
Multiple Airlines
Sun 18/1005:20
SAT
-
LHR
2 stops19h 15m
Multiple Airlines
Deal found 19/6£744

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 23 June 2026.

Round-trip from

£658

One-way from

£397

Popular in

July

Cheapest in

September

Average price

£1,009
11/10-18/10
  • 11/10-18/10
  • 3 total stops
  • 44h 14m total
  • United Kingdom to San Antonio
Search Deals
10/8
  • 10/8
  • 3 total stops
  • 55h 54m total
  • United Kingdom to San Antonio
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£60 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 June 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 23 June 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

Sat 19/9

06:30-17:03

2 stops16h 33m

San Antonio

Sat 3/10

14:00-11:20

2 stops15h 20m

£496

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Thu 27/8

14:00-08:56

1 stop24h 56m

San Antonio

Sun 30/8

19:49-11:45

2 stops33h 56m

£690

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Fri 30/10

07:05-00:28

3 stops22h 23m

San Antonio

Wed 11/11

14:10-17:40

2 stops21h 30m

£740

EdinburghSan Antonio

EDI - SAT

EDISAT

Edinburgh Turnhouse

Thu 10/9

19:10-00:10

2 stops35h 00m

San Antonio

Mon 14/9

13:31-18:25

2 stops22h 54m

£750

ManchesterSan Antonio

MAN - SAT

MANSAT

Manchester

Fri 30/10

10:10-00:28

2 stops19h 18m

San Antonio

Sat 7/11

16:10-09:30

2 stops35h 20m

£779

LondonSan Antonio

LCY - SAT

LCYSAT

London City

Thu 1/10

17:10-21:13

2 stops34h 03m

San Antonio

Thu 15/10

09:00-07:55

2 stops16h 55m

£836

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Mon 19/10

07:05-23:18

3 stops22h 13m

San Antonio

Wed 28/10

14:10-17:40

2 stops22h 30m

£845

BirminghamSan Antonio

BHX - SAT

BHXSAT

Birmingham

Thu 24/9

19:15-00:13

2 stops34h 58m

San Antonio

Mon 28/9

13:31-18:35

2 stops23h 04m

£852

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Fri 3/7

14:00-15:27

1 stop31h 27m

San Antonio

Tue 7/7

21:32-10:00

2 stops30h 28m

£862

LondonSan Antonio

LCY - SAT

LCYSAT

London City

Wed 28/10

09:50-22:51

2 stops18h 01m

San Antonio

Tue 3/11

16:19-17:40

2 stops19h 21m

£873

Flights are sorted by cheapest return flights first.

Deals found on 19/6

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 £247). Flying from United Kingdom to San Antonio in May is currently the most expensive (average of £635). 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 81 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 23 June 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
690 reviews
Check prices

Food

6.9

Boarding

7.7

Comfort

7.3

Entertainment

7.5

Overall

7.5

Crew

8.1

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

Food

6.9

Boarding

7.7

Comfort

7.3

Entertainment

7.5

Overall

7.5

Crew

8.1

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
1,850 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Food

6.9

Boarding

7.7

Comfort

7.3

Entertainment

7.5

Overall

7.5

Crew

8.1

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
9,878 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Food

6.9

Boarding

7.7

Comfort

7.3

Entertainment

7.5

Overall

7.5

Crew

8.1

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
8,090 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Food

6.9

Boarding

7.7

Comfort

7.3

Entertainment

7.5

Overall

7.5

Crew

8.1

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
8,067 reviews
Virgin Atlantic
7.5
Good
690 reviews
Check prices

Food

6.9

Boarding

7.7

Comfort

7.3

Entertainment

7.5

Overall

7.5

Crew

8.1

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 16h 33m. Virgin Atlantic provides one of the quickest options available for as low as £496. There are 4967 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 £577. 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 City - San Antonio or London Gatwick - 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 £247). Flying from United Kingdom to San Antonio in May is currently the most expensive (average of £635). 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 23 June 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£343Average£790FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Scandinavian AirlinesCheapest£588Average£793FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
Virgin AtlanticCheapest£698Average£1,009FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£717Average£926FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£717Average£1,012FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£730Average£787FlexibilityNo 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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