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Flights to San Antonio

€424 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 25/8. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Ireland to San Antonio

Cheap return flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
19:05 - 00:28
DUB
-
SAT
35h 23m
2 stops
Scandinavian Airlines Logo
13:55 - 09:25
SAT
-
DUB
37h 30m
2 stops
€675Scandinavian Airlines
Thu, 3 Sep - Thu, 10 Sep
Multiple Airlines Logo
22:00 - 08:56
DUB
-
SAT
40h 56m
2 stops
Multiple Airlines Logo
14:30 - 07:55
SAT
-
DUB
11h 25m
1 stop
€790Multiple Airlines
Thu, 27 Aug - Wed, 9 Sep
Multiple Airlines Logo
19:10 - 08:56
DUB
-
SAT
43h 46m
2 stops
Multiple Airlines Logo
14:30 - 07:55
SAT
-
DUB
11h 25m
1 stop
€791Multiple Airlines
Thu, 3 Sep - Thu, 10 Sep
Multiple Airlines Logo
22:00 - 08:56
DUB
-
SAT
40h 56m
2 stops
Multiple Airlines Logo
14:35 - 10:35
SAT
-
DUB
14h 00m
1 stop
€854Multiple Airlines
Thu, 27 Aug - Wed, 9 Sep
Multiple Airlines Logo
22:00 - 08:56
DUB
-
SAT
40h 56m
2 stops
Multiple Airlines Logo
14:35 - 10:35
SAT
-
DUB
14h 00m
1 stop
€856Multiple Airlines
Thu, 27 Aug - Wed, 9 Sep
Multiple Airlines Logo
23:15 - 08:56
DUB
-
SAT
39h 41m
2 stops
Multiple Airlines Logo
16:00 - 09:15
SAT
-
DUB
11h 15m
1 stop
€869Multiple Airlines
Sat, 5 Sep - Fri, 18 Sep
Multiple Airlines Logo
09:40 - 22:34
DUB
-
SAT
18h 54m
2 stops
Multiple Airlines Logo
12:05 - 16:55
SAT
-
DUB
22h 50m
2 stops
€895Multiple Airlines
Thu, 3 Sep - Thu, 10 Sep
Multiple Airlines Logo
23:15 - 08:56
DUB
-
SAT
39h 41m
2 stops
Multiple Airlines Logo
11:08 - 11:45
SAT
-
DUB
18h 37m
1 stop
€896Multiple Airlines
Sat, 5 Sep - Fri, 18 Sep
Multiple Airlines Logo
18:35 - 08:29
DUB
-
SAT
19h 54m
2 stops
Multiple Airlines Logo
11:22 - 07:15
SAT
-
DUB
13h 53m
1 stop
€897Multiple Airlines
Mon, 16 Nov - Fri, 27 Nov
Multiple Airlines Logo
18:35 - 08:29
DUB
-
SAT
19h 54m
2 stops
Multiple Airlines Logo
11:22 - 07:15
SAT
-
DUB
13h 53m
1 stop
€897Multiple Airlines
Mon, 16 Nov - Fri, 27 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 13,528 searches and data was last updated on 23 July 2026.
Use the filters below to find and compare flights to San Antonio that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Thu 3/9

19:05-00:28

2 stops35h 23m

San Antonio

Thu 10/9

13:55-09:25

2 stops37h 30m

€675

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Thu 27/8

22:00-08:56

2 stops40h 56m

San Antonio

Wed 9/9

14:30-07:55

1 stop11h 25m

€790

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Thu 3/9

19:10-08:56

2 stops43h 46m

San Antonio

Thu 10/9

14:30-07:55

1 stop11h 25m

€791

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Thu 27/8

22:00-08:56

2 stops40h 56m

San Antonio

Wed 9/9

14:35-10:35

1 stop14h 00m

€854

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Thu 27/8

22:00-08:56

2 stops40h 56m

San Antonio

Wed 9/9

14:35-10:35

1 stop14h 00m

€856

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Sat 5/9

23:15-08:56

2 stops39h 41m

San Antonio

Fri 18/9

16:00-09:15

1 stop11h 15m

€869

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Thu 3/9

09:40-22:34

2 stops18h 54m

San Antonio

Thu 10/9

12:05-16:55

2 stops22h 50m

€895

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Sat 5/9

23:15-08:56

2 stops39h 41m

San Antonio

Fri 18/9

11:08-11:45

1 stop18h 37m

€896
Fastest return journey

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Mon 16/11

18:35-08:29

2 stops19h 54m

San Antonio

Fri 27/11

11:22-07:15

1 stop13h 53m

€897

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Mon 16/11

18:35-08:29

2 stops19h 54m

San Antonio

Fri 27/11

11:22-07:15

1 stop13h 53m

€897

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

How long does it take to fly to San Antonio?

On average, it takes 12h 28m to fly from Ireland to San Antonio if you fly out of Dublin (the most popular airport in Ireland) and into Austin Bergstrom (the most popular airport in San Antonio). If you’re flying out of Cork and into Austin Bergstrom, then the flight time is around 15h 05m.

Cheapest flights to San Antonio

Find the cheapest flights to San Antonio from your nearest city or airport

Cheap San Antonio flight deals and tips

Summary info about San Antonio flight prices, duration and airlines

Best One-Way Price

€424

Best Round-Trip Price

€675

Fastest flight time

51h 56m
The best one-way flight price to San Antonio from Ireland in the last 5 days is €424 (Dublin to San Antonio).
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The best return flight price to San Antonio from Ireland in the last 5 days is €675 (Dublin to San Antonio).
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The fastest flight to San Antonio from Ireland takes 51h 56m (Dublin to San Antonio).
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Frequently asked questions about flying to San Antonio

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 €629. 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?

As of July 2026, there is 1 operator available to choose from for flights to San Antonio Airport.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel to San Antonio Airport.

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

The travel and health documents you'll need for your trip to San Antonio Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at San Antonio Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights to San Antonio. Millions of users trust and use momondo every year so you are in good company.

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

momondo does allow users to show only those flights to San Antonio which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights to San Antonio?

Once you have performed a search for flights to San Antonio, momondo helps you find the right flight by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to San Antonio. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Popular Flights to San Antonio

Popular routes according to searches in the past day on momondo
Dublin to San Antonio Flightsfrom €782