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Cheap flights from the United Kingdom to San Antonio from £268

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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SAT
10 Mar — 17 Mar1
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 February 2026.

Mon 16/314:00
LGW
-
SAT
2 stops48h 27m
Multiple Airlines
Tue 24/314:13
SAT
-
LGW
1 stop14h 47m
Multiple Airlines
Deal found 5/2£482
Mon 9/314:00
LGW
-
SAT
1 stop14h 59m
Multiple Airlines
Mon 16/313:22
SAT
-
LGW
1 stop15h 38m
Multiple Airlines
Deal found 7/2£516
Fri 6/314:00
LGW
-
SAT
1 stop15h 59m
Multiple Airlines
Sat 14/313:22
SAT
-
LGW
2 stops35h 38m
Multiple Airlines
Deal found 5/2£540
Mon 23/313:00
LGW
-
SAT
2 stops52h 27m
Multiple Airlines
Mon 30/314:13
SAT
-
LGW
1 stop13h 47m
Multiple Airlines
Deal found 6/2£590
Sat 2/514:00
LGW
-
SAT
1 stop14h 29m
Multiple Airlines
Sat 9/506:00
SAT
-
LGW
1 stop22h 00m
Multiple Airlines
Deal found 5/2£618
Mon 9/310:20
LHR
-
SAT
3 stops28h 10m
Multiple Airlines
Mon 16/310:22
SAT
-
LHR
3 stops24h 38m
Multiple Airlines
Deal found 7/2£651
Mon 16/314:40
LHR
-
SAT
2 stops23h 47m
Multiple Airlines
Tue 24/310:22
SAT
-
LHR
2 stops20h 03m
Multiple Airlines
Deal found 5/2£691
Thu 12/214:00
LGW
-
SAT
1 stop15h 59m
Multiple Airlines
Thu 19/213:57
SAT
-
LGW
1 stop14h 03m
Multiple Airlines
Deal found 7/2£709
Mon 9/309:30
LHR
-
SAT
2 stops18h 27m
Lufthansa
Mon 16/317:50
SAT
-
LHR
2 stops18h 00m
Lufthansa
Deal found 7/2£774
Sat 2/508:55
LHR
-
SAT
1 stop15h 47m
Multiple Airlines
Sat 9/519:30
SAT
-
LHR
2 stops29h 00m
Multiple Airlines
Deal found 5/2£789
Mon 9/309:50
LCY
-
SAT
2 stops18h 07m
Lufthansa
Mon 16/317:50
SAT
-
LCY
2 stops18h 50m
Lufthansa
Deal found 7/2£791
Sun 22/307:35
EDI
-
SAT
3 stops32h 26m
Multiple Airlines
Sun 29/313:22
SAT
-
EDI
3 stops29h 03m
Multiple Airlines
Deal found 5/2£792

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 February 2026.

Round-trip from

£482

One-way from

£268

Popular in

December

Cheapest in

February

Average price

£534
16/3-24/3
  • 16/3-24/3
  • 3 total stops
  • 63h 14m total
  • United Kingdom to San Antonio
Search Deals
2/3
  • 2/3
  • 1 total stop
  • 15h 59m total
  • United Kingdom to San Antonio
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (£1 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 February 2026.
Use the filters below to find and compare flights from the United Kingdom to San Antonio that are best for you.

Fly from

United Kingdom

Fly to

San Antonio

Route

Depart

Return

Price

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Mon 16/3

14:00-09:27

2 stops48h 27m

San Antonio

Tue 24/3

14:13-10:00

1 stop14h 47m

£482

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Mon 9/3

14:00-23:59

1 stop14h 59m

San Antonio

Mon 16/3

13:22-10:00

1 stop15h 38m

£516

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Fri 6/3

14:00-23:59

1 stop15h 59m

San Antonio

Sat 14/3

13:22-06:00

2 stops35h 38m

£540

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Mon 23/3

13:00-12:27

2 stops52h 27m

San Antonio

Mon 30/3

14:13-10:00

1 stop13h 47m

£590

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Sat 2/5

14:00-22:29

1 stop14h 29m

San Antonio

Sat 9/5

06:00-10:00

1 stop22h 00m

£618

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Mon 16/3

09:00-09:27

3 stops29h 27m

San Antonio

Tue 24/3

13:22-21:20

3 stops26h 58m

£764

LondonSan Antonio

LCY - SAT

LCYSAT

London City

Mon 9/3

09:50-22:57

2 stops18h 07m

San Antonio

Mon 16/3

17:50-17:40

2 stops18h 50m

£791

EdinburghSan Antonio

EDI - SAT

EDISAT

Edinburgh Turnhouse

Sun 22/3

07:35-11:01

3 stops32h 26m

San Antonio

Sun 29/3

13:22-00:25

3 stops29h 03m

£792

BirminghamSan Antonio

BHX - SAT

BHXSAT

Birmingham

Sat 18/4

19:15-23:32

2 stops34h 17m

San Antonio

Wed 22/4

15:28-18:35

2 stops21h 07m

£795

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Mon 9/3

07:30-20:54

2 stops18h 24m

San Antonio

Mon 16/3

11:15-08:25

1 stop16h 10m

£797

Flights are sorted by cheapest return flights first.

Deals found on 5/2

Showing 1-10 of 60 results
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, December is the cheapest month in which you can book a flight from United Kingdom to San Antonio (average of £325). Flying from United Kingdom to San Antonio in July is currently the most expensive (average of £547). 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.

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 February 2026.
Read reviews from past customers who have flown with Finnair, Virgin Atlantic, 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.
Finnair
7.6
Good
1,357 reviews
Check prices

Comfort

7.5

Entertainment

6.9

Food

6.7

Boarding

7.7

Crew

8.2

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Finnair
7.6
Good
1,357 reviews
Finnair
7.6
Good
1,357 reviews
Check prices

Comfort

7.5

Entertainment

6.9

Food

6.7

Boarding

7.7

Crew

8.2

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Virgin Atlantic
7.5
Good
678 reviews
Finnair
7.6
Good
1,357 reviews
Check prices

Comfort

7.5

Entertainment

6.9

Food

6.7

Boarding

7.7

Crew

8.2

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
United Airlines
7.4
Good
9,256 reviews
Finnair
7.6
Good
1,357 reviews
Check prices

Comfort

7.5

Entertainment

6.9

Food

6.7

Boarding

7.7

Crew

8.2

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
Scandinavian Airlines
7.3
Good
1,678 reviews
Finnair
7.6
Good
1,357 reviews
Check prices

Comfort

7.5

Entertainment

6.9

Food

6.7

Boarding

7.7

Crew

8.2

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights
British Airways
6.7
Okay
7,720 reviews
Finnair
7.6
Good
1,357 reviews
Check prices

Comfort

7.5

Entertainment

6.9

Food

6.7

Boarding

7.7

Crew

8.2

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Vlad-Valentin,Jan 2026

LHR - YVR

baggage allowance was different between the outgoing and inbound flights

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 18h 07m. Lufthansa provides one of the quickest options available for as low as £791. 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 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, December is the cheapest month in which you can book a flight from United Kingdom to San Antonio (average of £325). Flying from United Kingdom to San Antonio in July is currently the most expensive (average of £547). 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 7 airlines flying from United Kingdom to San Antonio

Discover the top 7 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 February 2026.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£481Average£701FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Scandinavian AirlinesCheapest£572Average£701FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
United AirlinesCheapest£657Average£818FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£682Average£858FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£697Average£905FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£697Average£860FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£710Average£821FlexibilityNo cancel feeOn-time75%
Search KLM flights

Fly with Cheapflights

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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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