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Cheap flights from the United Kingdom to San Antonio from £344

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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SAT
2 Mar — 9 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 31 January 2026.

Thu 19/214:00
LGW
-
SAT
1 stop29h 12m
Multiple Airlines
Mon 23/213:57
SAT
-
LGW
1 stop14h 03m
Multiple Airlines
Deal found 30/1£455
Mon 16/314:00
LGW
-
SAT
1 stop27h 27m
Multiple Airlines
Mon 30/313:22
SAT
-
LGW
1 stop14h 38m
Multiple Airlines
Deal found 29/1£476
Mon 16/314:00
LGW
-
SAT
2 stops48h 32m
Multiple Airlines
Mon 23/314:40
SAT
-
LGW
1 stop14h 20m
Multiple Airlines
Deal found 30/1£477
Mon 2/314:00
LGW
-
SAT
1 stop15h 59m
Multiple Airlines
Sun 8/310:26
SAT
-
LGW
2 stops42h 34m
Multiple Airlines
Deal found 30/1£529
Thu 5/214:00
LGW
-
SAT
1 stop15h 52m
Multiple Airlines
Thu 12/206:00
SAT
-
LGW
1 stop22h 00m
Multiple Airlines
Deal found 30/1£556
Mon 2/314:00
LGW
-
SAT
1 stop15h 59m
Multiple Airlines
Mon 6/418:00
SAT
-
LGW
2 stops30h 20m
Multiple Airlines
Deal found 30/1£560
Thu 19/210:50
LHR
-
SAT
1 stop19h 09m
Multiple Airlines
Mon 23/213:57
SAT
-
LHR
2 stops15h 43m
Multiple Airlines
Deal found 30/1£569
Mon 16/315:50
LHR
-
SAT
2 stops25h 37m
Multiple Airlines
Mon 23/313:22
SAT
-
LHR
1 stop15h 33m
Multiple Airlines
Deal found 30/1£577
Thu 5/214:00
LGW
-
SAT
1 stop15h 52m
Multiple Airlines
Mon 9/206:30
SAT
-
LGW
1 stop21h 30m
Multiple Airlines
Deal found 30/1£593
Fri 29/506:40
LHR
-
SAT
2 stops22h 38m
Scandinavian Airlines
Mon 8/614:10
SAT
-
LHR
2 stops19h 50m
Scandinavian Airlines
Deal found 30/1£600
Thu 7/513:05
LHR
-
SAT
2 stops26h 19m
Multiple Airlines
Thu 14/508:35
SAT
-
LHR
1 stop21h 15m
Multiple Airlines
Deal found 30/1£603
Tue 20/1006:40
LHR
-
SAT
2 stops21h 47m
Scandinavian Airlines
Sat 31/1012:10
SAT
-
LHR
2 stops24h 30m
Scandinavian Airlines
Deal found 29/1£605

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 31 January 2026.

Round-trip from

£455

One-way from

£344

Popular in

December

Cheapest in

February

Average price

£695
19/2-23/2
  • 19/2-23/2
  • 2 total stops
  • 43h 15m total
  • United Kingdom to San Antonio
Search Deals
6/2
  • 6/2
  • 3 total stops
  • 56h 28m total
  • United Kingdom to San Antonio
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (£0 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 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 31 January 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

Thu 19/2

14:00-13:12

1 stop29h 12m

San Antonio

Mon 23/2

13:57-10:00

1 stop14h 03m

£455

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Mon 16/3

14:00-12:27

1 stop27h 27m

San Antonio

Mon 30/3

13:22-10:00

1 stop14h 38m

£476

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Mon 2/3

14:00-23:59

1 stop15h 59m

San Antonio

Sun 8/3

10:26-10:00

2 stops42h 34m

£529

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Mon 2/3

14:00-23:59

1 stop15h 59m

San Antonio

Mon 6/4

18:00-06:20

2 stops30h 20m

£560

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Mon 2/3

06:30-09:30

3 stops33h 00m

San Antonio

Sun 8/3

06:00-06:25

2 stops19h 25m

£627

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Mon 11/5

14:00-22:29

1 stop14h 29m

San Antonio

Mon 25/5

06:00-10:00

1 stop22h 00m

£651

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Fri 29/5

14:00-22:29

1 stop14h 29m

San Antonio

Mon 8/6

06:00-10:00

1 stop22h 00m

£662

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Mon 16/3

11:55-09:32

3 stops26h 37m

San Antonio

Mon 23/3

10:27-10:55

3 stops19h 28m

£668

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 6/5

06:40-23:32

2 stops22h 52m

San Antonio

Wed 20/5

12:10-14:35

3 stops20h 25m

£755

ManchesterSan Antonio

MAN - SAT

MANSAT

Manchester

Mon 4/5

19:10-23:32

2 stops34h 22m

San Antonio

Mon 11/5

12:10-18:30

2 stops24h 20m

£771

Flights are sorted by cheapest return flights first.

Deals found on 29/1

Showing 1-10 of 60 results
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2
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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 £322). Flying from United Kingdom to San Antonio in July is currently the most expensive (average of £542). 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 31 January 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
1,356 reviews
Check prices

Comfort

7.5

Entertainment

6.9

Boarding

7.7

Food

6.7

Overall

7.6

Crew

8.2

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
1,356 reviews
Finnair
7.6
Good
1,356 reviews
Check prices

Comfort

7.5

Entertainment

6.9

Boarding

7.7

Food

6.7

Overall

7.6

Crew

8.2

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
1,356 reviews
Check prices

Comfort

7.5

Entertainment

6.9

Boarding

7.7

Food

6.7

Overall

7.6

Crew

8.2

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
9,219 reviews
Finnair
7.6
Good
1,356 reviews
Check prices

Comfort

7.5

Entertainment

6.9

Boarding

7.7

Food

6.7

Overall

7.6

Crew

8.2

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
1,674 reviews
Finnair
7.6
Good
1,356 reviews
Check prices

Comfort

7.5

Entertainment

6.9

Boarding

7.7

Food

6.7

Overall

7.6

Crew

8.2

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
7,706 reviews
Finnair
7.6
Good
1,356 reviews
Check prices

Comfort

7.5

Entertainment

6.9

Boarding

7.7

Food

6.7

Overall

7.6

Crew

8.2

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 26m. Scandinavian Airlines provides one of the quickest options available for as low as £803. 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 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 Edinburgh Turnhouse - 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 £322). Flying from United Kingdom to San Antonio in July is currently the most expensive (average of £542). 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

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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 31 January 2026.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£483Average£649FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Scandinavian AirlinesCheapest£566Average£709FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
British AirwaysCheapest£609Average£874FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£651Average£812FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£673Average£866FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£691Average£846FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest£703Average£840FlexibilityNo 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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