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Cheap flights from Ireland to San Antonio from €425

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ireland to San Antonio

Recent return flight deals from Ireland to San Antonio

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
19:05 - 23:18
DUB
-
SAT
34h 13m
2 stops
Scandinavian Airlines Logo
16:10 - 18:20
SAT
-
DUB
20h 10m
2 stops
€686Scandinavian Airlines
Fri, 22 Jan - Mon, 25 Jan
Scandinavian Airlines Logo
19:05 - 23:18
DUB
-
SAT
34h 13m
2 stops
Scandinavian Airlines Logo
16:10 - 18:20
SAT
-
DUB
20h 10m
2 stops
€687Scandinavian Airlines
Fri, 22 Jan - Mon, 25 Jan
Scandinavian Airlines Logo
19:05 - 23:18
DUB
-
SAT
34h 13m
2 stops
Scandinavian Airlines Logo
16:10 - 18:20
SAT
-
DUB
20h 10m
2 stops
€688Scandinavian Airlines
Fri, 22 Jan - Mon, 25 Jan
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
€772Multiple Airlines
Thu, 27 Aug - Wed, 9 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
€789Multiple Airlines
Thu, 27 Aug - Wed, 9 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
€791Multiple 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
€855Multiple 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
€871Multiple 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
€895Multiple 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
€896Multiple Airlines
Mon, 16 Nov - Fri, 27 Nov

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KLM flights from Ireland to San Antonio

Our best KLM deals on Ireland to San Antonio flight tickets
KLM
16 Nov
DUB09:55Dublin
17h 37m
1 stop
SAT21:32San Antonio
27 Nov
SAT10:45San Antonio
15h 00m
1 stop
DUB07:45Dublin
€930
KLM
27 Aug
DUB10:00Dublin
18h 34m
1 stop
SAT22:34San Antonio
9 Sept
SAT11:06San Antonio
15h 39m
1 stop
DUB08:45Dublin
€982

Delta flights from Ireland to San Antonio

Our best Delta deals on Ireland to San Antonio flight tickets
Delta
16 Nov
DUB05:45Dublin
21h 41m
2 stops
SAT21:26San Antonio
27 Nov
SAT07:50San Antonio
18h 55m
2 stops
DUB08:45Dublin
€919
Delta
16 Nov
DUB05:45Dublin
22h 42m
2 stops
SAT22:27San Antonio
27 Nov
SAT16:25San Antonio
15h 45m
2 stops
DUB14:10Dublin
€920
Delta
16 Nov
DUB08:50Dublin
19h 37m
2 stops
SAT22:27San Antonio
27 Nov
SAT05:30San Antonio
21h 15m
2 stops
DUB08:45Dublin
€920

momondo Fare Finder

 
Customise your flight search to find flights from Ireland 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, momondo users made 13,528 searches. Data last updated 27 July 2026.
Use the filters below to find and compare flights from Ireland to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Fri 22/1

19:05-23:18

2 stops34h 13m

San Antonio

Mon 25/1

16:10-18:20

2 stops20h 10m

€686

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Fri 22/1

19:05-23:18

2 stops34h 13m

San Antonio

Mon 25/1

16:10-18:20

2 stops20h 10m

€687

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Fri 22/1

19:05-23:18

2 stops34h 13m

San Antonio

Mon 25/1

16:10-18:20

2 stops20h 10m

€688

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

€772

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

€789

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

€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

€855

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

€871
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

€895

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

€896

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

See travel insights to San Antonio from

How to get the cheapest flight ticket from Ireland to San Antonio

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Ireland to San Antonio?

WestJet and Aer Lingus are the most popular carriers operating from Ireland to San Antonio

Which airlines fly to San Antonio?

American Airlines, Scandinavian Airlines and United Airlines are the top three most popular airlines that fly to San Antonio from Ireland according to our data. American Airlines is the first choice among our users, with 39% of people opting to fly with this airline when travelling to San Antonio. Keep in mind that there are 4 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.

Cheap Ireland to San Antonio flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to San Antonio

Fastest flight time

18h 26m

Direct flights

None
The fastest flight from Ireland to San Antonio takes 18h 26m
There are no direct flights from Ireland to San Antonio. There are no popular flight routes from Ireland to San Antonio.
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Frequently asked questions about flying from Ireland to San Antonio

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

    Prices for flights from Ireland to San Antonio Airport were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ireland 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 licence 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.

Best airlines flying from Ireland to San Antonio

Compare and see reviews for airlines that fly from Ireland to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom €262Free CancellationRating
7.1
11,837 reviews
Search American Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ireland to San Antonio. momondo saves you time and could save you money on your trip.

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

All flight searches from Ireland to San Antonio on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ireland to San Antonio?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Antonio from Ireland.

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

Of course. momondo tracks the price of Ireland to San Antonio flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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