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Flights to San Antonio

£253 Cheap flights to San Antonio

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to San Antonio departing on 1/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from the United Kingdom to San Antonio

Cheap return flights

Logo
14:00 - 13:49LGW-SAT
29h 49m1 stop
Logo
17:00 - 10:00SAT-LGW
35h 00m1 stop
£383
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Wed, 24 Sep - Mon, 13 Oct
Logo
14:00 - 13:49LGW-SAT
29h 49m1 stop
Logo
12:45 - 10:00SAT-LGW
15h 15m1 stop
£394
Find Deal
Wed, 10 Sep - Mon, 15 Sep
Logo
14:00 - 11:40LGW-SAT
27h 40m1 stop
Logo
14:54 - 10:10SAT-LGW
13h 16m1 stop
£403
Find Deal
Thu, 11 Sep - Sun, 14 Sep
Scandinavian Airlines Logo
06:40 - 23:59LHR-SAT
23h 19m2 stops
Scandinavian Airlines Logo
12:15 - 18:30SAT-LHR
24h 15m2 stops
£571Scandinavian Airlines
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Sat, 20 Sep - Tue, 23 Sep
Scandinavian Airlines Logo
06:40 - 23:59LHR-SAT
23h 19m2 stops
Scandinavian Airlines Logo
12:23 - 16:00SAT-LHR
21h 37m2 stops
£572Scandinavian Airlines
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Fri, 26 Sep - Tue, 7 Oct
British Airways Logo
15:45 - 21:57LHR-SAT
36h 12m1 stop
British Airways Logo
16:30 - 10:00SAT-LHR
11h 30m1 stop
£634British Airways
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Mon, 10 Nov - Sun, 23 Nov
British Airways Logo
10:30 - 18:43LHR-SAT
14h 13m1 stop
British Airways Logo
13:12 - 06:25SAT-LHR
11h 13m1 stop
£698British Airways
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Wed, 24 Sep - Mon, 13 Oct
Virgin Atlantic Logo
09:35 - 20:16LHR-SAT
16h 41m2 stops
Virgin Atlantic Logo
18:21 - 13:30SAT-LHR
13h 09m1 stop
£706Virgin Atlantic
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Wed, 24 Sep - Mon, 13 Oct
Finnair Logo
10:30 - 17:41LHR-SAT
13h 11m1 stop
Finnair Logo
13:44 - 12:45SAT-LHR
17h 01m1 stop
£717Finnair
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Tue, 2 Sep - Tue, 30 Sep
Virgin Atlantic Logo
14:45 - 21:30LHR-SAT
36h 45m2 stops
Virgin Atlantic Logo
11:35 - 20:00SAT-LHR
26h 25m1 stop
£725Virgin Atlantic
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Sun, 21 Sep - Sat, 27 Sep

momondo Fare Finder

 
Locate flights to San Antonio that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 279,928 searches and data was last updated on 15 August 2025.
Use the filters below to find and compare flights to San Antonio that are best for you.

Fly from

Route

Depart

Return

Price

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Wed 24/9

14:00-13:49

1 stop29h 49m

San Antonio

Mon 13/10

17:00-10:00

1 stop35h 00m

£383

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Wed 10/9

14:00-13:49

1 stop29h 49m

San Antonio

Mon 15/9

12:45-10:00

1 stop15h 15m

£394

LondonSan Antonio

LGW - SAT

LGWSAT

London Gatwick

Thu 11/9

14:00-11:40

1 stop27h 40m

San Antonio

Sun 14/9

14:54-10:10

1 stop13h 16m

£403

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Sat 20/9

06:40-23:59

2 stops23h 19m

San Antonio

Tue 23/9

12:15-18:30

2 stops24h 15m

£571

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Fri 26/9

06:40-23:59

2 stops23h 19m

San Antonio

Tue 7/10

12:23-16:00

2 stops21h 37m

£572

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Mon 10/11

15:45-21:57

1 stop36h 12m

San Antonio

Sun 23/11

16:30-10:00

1 stop11h 30m

£634

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 24/9

10:30-18:43

1 stop14h 13m

San Antonio

Mon 13/10

13:12-06:25

1 stop11h 13m

£698

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Wed 24/9

09:35-20:16

2 stops16h 41m

San Antonio

Mon 13/10

18:21-13:30

1 stop13h 09m

£706

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Tue 2/9

10:30-17:41

1 stop13h 11m

San Antonio

Tue 30/9

13:44-12:45

1 stop17h 01m

£717

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Sun 21/9

14:45-21:30

2 stops36h 45m

San Antonio

Sat 27/9

11:35-20:00

1 stop26h 25m

£725

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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San Antonio flights insights and trends

Explore insights for your San Antonio flight to craft the best travel plan

What is the cheapest month to fly to San Antonio?

The month of February is, on average, the cheapest month to fly to San Antonio from United Kingdom, with most prices found around £536. If you aren’t able to travel to San Antonio during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of £563.

What is the cheapest day to depart on your flight to San Antonio?

According to our data, Wednesday is the cheapest day to fly to San Antonio from United Kingdom. The lowest ticket price found for a Wednesday departure recently was £615. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from United Kingdom to San Antonio for around £685.

What is the cheapest time of day to depart on your flight to San Antonio?

At midday is the cheapest time of day to fly from United Kingdom to San Antonio when you can find flight prices for as low as £612. Flying to San Antonio at midday is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the evening because they tend to be around £686. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to San Antonio?

You are more likely to see cheaper flights to San Antonio from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around £720 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from United Kingdom for as low as £577 on momondo.

Cheapest flights to San Antonio

Find the cheapest flights to San Antonio from your nearest city or airport
Find flights from London Heathrow Airport to San Antonio
CHEAPEST MONTH TO FLY TO SAN ANTONIO FROM LONDON HEATHROW AIRPORTNovember22% cheaperFlying from London Heathrow Airport to San Antonio costs on average just £564 in November
MOST EXPENSIVE MONTH TO FLY TO SAN ANTONIO FROM LONDON HEATHROW AIRPORTJuly24% more expensiveIt costs about £900 for flights to San Antonio from London Heathrow Airport in July
MOST POPULAR MONTH TO FLY TO SAN ANTONIO FROM LONDON HEATHROW AIRPORTNovember664% more users visitedMore momondo users searched in flights to San Antonio from London Heathrow Airport in November than any other month

Cheap San Antonio flight deals and tips

Summary info about San Antonio flight prices, duration and airlines

Best One-Way Price

£253

Best Round-Trip Price

£383

Fastest flight time

26h 48m

Popular in

August
The best one-way flight price to San Antonio from United Kingdom in the last 72 hours is £253 (London Gatwick to San Antonio).
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The best round-trip flight price to San Antonio from United Kingdom in the last 72 hours is £383 (London Gatwick to San Antonio).
Search Deals
The fastest flight to San Antonio from United Kingdom takes 26h 48m (London Gatwick to San Antonio).
Search Deals
August has the highest demand for flights to San Antonio, with a 16% price increase on average.
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Frequently asked questions about flying to San Antonio

Are there any amusement parks near San Antonio?

Yes, Six Flags Fiesta Texas is close to San Antonio and is a great place to spend time with the family when the weather is right. Consider planning your trip to San Antonio for the months of May and June if you have interest in visiting amusement or water parks. Flights to San Antonio are very popular around then, and it is recommended that you plan early.

How far in advance should I book a flight to San Antonio?

The ideal time to book your flight to San Antonio is 75 days in advance, when prices tend to average £717. Don’t hesitate to check prices now though, because momondo users recently found tickets for as low as £525.

Is there an alternative airport near San Antonio?

San Antonio Airport can be an alternative airport used for travel to San Antonio.

Is there a cheaper alternative to flying into San Antonio?

Prices vary based on where travellers are departing from, but on average, the cheapest airport to fly to in San Antonio is San Antonio Airport where the average price is £318. Users typically find the best prices when using momondo’s Airport-to-Airport Pricing Tool.

What is the absolute cheapest flight to San Antonio?

Users booking trips to San Antonio from Mexico City found flights 44% cheaper than the average price of flights to San Antonio. To find the cheapest price to San Antonio from your area, use momondo’s Airport-to-Airport Pricing Tool.

When did momondo last update prices for flights to San Antonio Airport?

Prices for flights to San Antonio Airport are refreshed on a daily basis.

How many operators does momondo search for flights to San Antonio Airport?

As of August 2025, there are 9 operators available to choose from for flights to San Antonio Airport.

How old do you have to be to fly to San Antonio Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to San Antonio Airport.

What documentation or ID do you need to fly to San Antonio Airport?

The necessary travel and health documents for your San Antonio Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Travelling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels

Why use momondo?

Why should I use momondo to find a flight deal to San Antonio?

Finding the right flight to San Antonio is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. These options can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Antonio quick and easy, saving you time and money.

Can I find flights to San Antonio with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for flights to San Antonio to just show those with flexible booking policies.

How can momondo help me find flights to San Antonio?

momondo provides multiple filters to help you find the best flight to San Antonio. Filter by price, airline, airport, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight to San Antonio right now. Can momondo alert me if prices change?

Yes. momondo can track flight prices for San Antonio and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Popular Flights to San Antonio

Popular routes according to searches in the past day on momondo
London to San Antonio Flightsfrom £519
Edinburgh Turnhouse to San Antonio Flightsfrom £1,058
Birmingham to San Antonio Flightsfrom £1,101
Manchester to San Antonio Flightsfrom £1,124
Belfast to San Antonio Flightsfrom £1,337
Glasgow to San Antonio Flightsfrom £1,040
Leeds/Bradford to San Antonio Flightsfrom £868
Aberdeen Dyce to San Antonio Flightsfrom £1,107