Flights to San Antonio

£381 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 28/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from the United Kingdom to San Antonio

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:20 - 23:45LHR-SAT
19h 25m2 stops
Multiple Airlines Logo
06:45 - 18:30SAT-LHR
29h 45m2 stops
£581Multiple Airlines
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Tue, 4 Nov - Sat, 15 Nov
Scandinavian Airlines Logo
06:40 - 23:33LHR-SAT
22h 53m2 stops
Scandinavian Airlines Logo
12:10 - 17:40SAT-LHR
24h 30m2 stops
£583Scandinavian Airlines
Find Deal
Sat, 7 Mar - Wed, 11 Mar
Virgin Atlantic Logo
13:00 - 22:57LHR-SAT
15h 57m1 stop
Virgin Atlantic Logo
18:22 - 09:00SAT-LHR
32h 38m1 stop
£649Virgin Atlantic
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Mon, 1 Dec - Sun, 7 Dec
Virgin Atlantic Logo
10:45 - 00:31LHR-SAT
19h 46m1 stop
Virgin Atlantic Logo
13:05 - 06:25SAT-LHR
11h 20m1 stop
£654Virgin Atlantic
Find Deal
Tue, 4 Nov - Sat, 15 Nov
United Airlines Logo
06:35 - 19:36LHR-SAT
19h 01m2 stops
United Airlines Logo
16:20 - 10:15SAT-LHR
12h 55m1 stop
£659United Airlines
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Sat, 7 Mar - Wed, 11 Mar
United Airlines Logo
06:30 - 20:15LHR-SAT
19h 45m2 stops
United Airlines Logo
14:04 - 07:55SAT-LHR
11h 51m1 stop
£661United Airlines
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Tue, 4 Nov - Sat, 15 Nov
British Airways Logo
11:55 - 18:59LHR-SAT
13h 04m1 stop
British Airways Logo
14:42 - 08:15SAT-LHR
11h 33m1 stop
£665British Airways
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Tue, 11 Nov - Tue, 18 Nov
Finnair Logo
18:10 - 17:43LHR-SAT
29h 33m2 stops
Finnair Logo
14:39 - 06:50SAT-LHR
11h 11m1 stop
£698Finnair
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Thu, 5 Mar - Mon, 9 Mar
Finnair Logo
18:10 - 17:43LHR-SAT
29h 33m2 stops
Finnair Logo
14:39 - 06:50SAT-LHR
11h 11m1 stop
£700Finnair
Find Deal
Thu, 5 Mar - Mon, 9 Mar
British Airways Logo
10:05 - 18:00LHR-SAT
13h 55m1 stop
British Airways Logo
18:05 - 06:50SAT-LHR
30h 45m1 stop
£742British Airways
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Tue, 4 Nov - Sat, 8 Nov

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 2 October 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

LHR - SAT

LHRSAT

London Heathrow

Tue 4/11

10:20-23:45

2 stops19h 25m

San Antonio

Sat 15/11

06:45-18:30

2 stops29h 45m

£581

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Sat 7/3

06:40-23:33

2 stops22h 53m

San Antonio

Wed 11/3

12:10-17:40

2 stops24h 30m

£583

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Mon 1/12

13:00-22:57

1 stop15h 57m

San Antonio

Sun 7/12

18:22-09:00

1 stop32h 38m

£649

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Tue 4/11

10:45-00:31

1 stop19h 46m

San Antonio

Sat 15/11

13:05-06:25

1 stop11h 20m

£654

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Sat 7/3

06:35-19:36

2 stops19h 01m

San Antonio

Wed 11/3

16:20-10:15

1 stop12h 55m

£659

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Tue 4/11

06:30-20:15

2 stops19h 45m

San Antonio

Sat 15/11

14:04-07:55

1 stop11h 51m

£661

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Tue 11/11

11:55-18:59

1 stop13h 04m

San Antonio

Tue 18/11

14:42-08:15

1 stop11h 33m

£665

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Thu 5/3

18:10-17:43

2 stops29h 33m

San Antonio

Mon 9/3

14:39-06:50

1 stop11h 11m

£698

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Thu 5/3

18:10-17:43

2 stops29h 33m

San Antonio

Mon 9/3

14:39-06:50

1 stop11h 11m

£700

LondonSan Antonio

LHR - SAT

LHRSAT

London Heathrow

Tue 4/11

10:05-18:00

1 stop13h 55m

San Antonio

Sat 8/11

18:05-06:50

1 stop30h 45m

£742

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Antonio from

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 £540. 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 £566.

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 £619. 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 £690.

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 £616. 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 £690. 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 £751 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 £580 on momondo.

Cheapest flights to San Antonio

Find the cheapest flights to San Antonio from your nearest city or airport
CHEAPEST MONTH TO FLY TO SAN ANTONIO FROM LONDON HEATHROW AIRPORTNovember25% cheaperFlying from London Heathrow Airport to San Antonio costs on average just £570 in November
MOST EXPENSIVE MONTH TO FLY TO SAN ANTONIO FROM LONDON HEATHROW AIRPORTAugust40% more expensiveIt costs about £1,058 for flights to San Antonio from London Heathrow Airport in August
MOST POPULAR MONTH TO FLY TO SAN ANTONIO FROM LONDON HEATHROW AIRPORTNovember655% 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

£381

Best Round-Trip Price

£581

Fastest flight time

13h 35m

Popular in

August
The best one-way flight price to San Antonio from United Kingdom in the last 72 hours is £381 (London Heathrow to San Antonio).
The best round-trip flight price to San Antonio from United Kingdom in the last 72 hours is £581 (London Heathrow to San Antonio).
The fastest flight to San Antonio from United Kingdom takes 13h 35m (Edinburgh Turnhouse to San Antonio).
August has the highest demand for flights to San Antonio, with a 16% price increase on average.

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 £732. Don’t hesitate to check prices now though, because momondo users recently found tickets for as low as £528.

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 £316. Users typically find the best prices when using 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?

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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1 adult
Sat 1/11
Sat 8/11

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Popular Flights to San Antonio

Popular routes according to searches in the past day on momondo