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Cheap flights from Ireland to San Antonio from €429

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 13/5. 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 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 - 00:15
DUB
-
SAT
35h 10m
2 stops
Scandinavian Airlines Logo
16:10 - 11:50
SAT
-
DUB
37h 40m
2 stops
€757Scandinavian Airlines
Thu, 3 Sep - Mon, 7 Sep
Scandinavian Airlines Logo
12:40 - 22:15
DUB
-
SAT
39h 35m
2 stops
Scandinavian Airlines Logo
16:10 - 11:50
SAT
-
DUB
37h 40m
2 stops
€758Scandinavian Airlines
Thu, 3 Sep - Mon, 7 Sep
Multiple Airlines Logo
09:20 - 22:21
DUB
-
SAT
19h 01m
2 stops
Multiple Airlines Logo
06:31 - 08:15
SAT
-
DUB
19h 44m
2 stops
€795Multiple Airlines
Mon, 8 Jun - Mon, 15 Jun
Multiple Airlines Logo
09:20 - 22:21
DUB
-
SAT
19h 01m
2 stops
Multiple Airlines Logo
05:25 - 08:15
SAT
-
DUB
20h 50m
2 stops
€838Multiple Airlines
Fri, 12 Jun - Fri, 19 Jun
KLM Logo
13:25 - 00:30
DUB
-
SAT
17h 05m
2 stops
KLM Logo
14:30 - 07:55
SAT
-
DUB
11h 25m
1 stop
€935KLM
Mon, 8 Jun - Mon, 15 Jun
Scandinavian Airlines Logo
19:05 - 22:15
DUB
-
SAT
33h 10m
2 stops
Scandinavian Airlines Logo
16:10 - 11:50
SAT
-
DUB
37h 40m
2 stops
€941Scandinavian Airlines
Thu, 3 Sep - Mon, 7 Sep
Iberia Logo
09:50 - 22:52
DUB
-
SAT
19h 02m
2 stops
Iberia Logo
13:19 - 11:50
SAT
-
DUB
16h 31m
1 stop
€952Iberia
Mon, 11 May - Mon, 18 May
Iberia Logo
12:40 - 23:56
DUB
-
SAT
17h 16m
1 stop
Iberia Logo
13:19 - 11:50
SAT
-
DUB
16h 31m
1 stop
€956Iberia
Mon, 11 May - Mon, 18 May
Lufthansa Logo
08:50 - 21:13
DUB
-
SAT
18h 23m
2 stops
Lufthansa Logo
07:00 - 10:40
SAT
-
DUB
21h 40m
1 stop
€957Lufthansa
Tue, 26 May - Tue, 2 Jun
Delta Logo
11:10 - 21:32
DUB
-
SAT
16h 22m
2 stops
Delta Logo
06:50 - 10:00
SAT
-
DUB
21h 10m
2 stops
€964Delta
Tue, 26 May - Tue, 2 Jun

United Airlines flights from Ireland to San Antonio

Our best United Airlines deals on Ireland to San Antonio flight tickets
United Airlines
3 Sept
DUB09:50Dublin
19h 05m
2 stops
SAT22:55San Antonio
7 Sept
SAT13:44San Antonio
15h 26m
1 stop
DUB11:10Dublin
€969
United Airlines
3 Sept
DUB09:50Dublin
16h 47m
2 stops
SAT20:37San Antonio
7 Sept
SAT12:07San Antonio
13h 13m
1 stop
DUB07:20Dublin
€969
United Airlines
4 May
DUB09:50Dublin
19h 04m
2 stops
SAT22:54San Antonio
17 May
SAT11:45San Antonio
13h 45m
2 stops
DUB07:30Dublin
€973

Scandinavian Airlines flights from Ireland to San Antonio

Our best Scandinavian Airlines deals on Ireland to San Antonio flight tickets
Scandinavian Airlines
3 Sept
DUB19:05Dublin
35h 10m
2 stops
SAT00:15San Antonio
7 Sept
SAT16:10San Antonio
37h 40m
2 stops
DUB11:50Dublin
€757
Scandinavian Airlines
3 Sept
DUB12:40Dublin
39h 35m
2 stops
SAT22:15San Antonio
7 Sept
SAT16:10San Antonio
37h 40m
2 stops
DUB11:50Dublin
€758
Scandinavian Airlines
3 Sept
DUB19:05Dublin
33h 10m
2 stops
SAT22:15San Antonio
7 Sept
SAT16:10San Antonio
37h 40m
2 stops
DUB11:50Dublin
€941

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 29 April 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

Thu 3/9

19:05-00:15

2 stops35h 10m

San Antonio

Mon 7/9

16:10-11:50

2 stops37h 40m

€757

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Thu 3/9

12:40-22:15

2 stops39h 35m

San Antonio

Mon 7/9

16:10-11:50

2 stops37h 40m

€758

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Mon 8/6

09:20-22:21

2 stops19h 01m

San Antonio

Mon 15/6

06:31-08:15

2 stops19h 44m

€795

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Fri 12/6

09:20-22:21

2 stops19h 01m

San Antonio

Fri 19/6

05:25-08:15

2 stops20h 50m

€838
Fastest return journey

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Mon 8/6

13:25-00:30

2 stops17h 05m

San Antonio

Mon 15/6

14:30-07:55

1 stop11h 25m

€935

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Thu 3/9

19:05-22:15

2 stops33h 10m

San Antonio

Mon 7/9

16:10-11:50

2 stops37h 40m

€941

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Mon 11/5

09:50-22:52

2 stops19h 02m

San Antonio

Mon 18/5

13:19-11:50

1 stop16h 31m

€952

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Mon 11/5

12:40-23:56

1 stop17h 16m

San Antonio

Mon 18/5

13:19-11:50

1 stop16h 31m

€956

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Tue 26/5

08:50-21:13

2 stops18h 23m

San Antonio

Tue 2/6

07:00-10:40

1 stop21h 40m

€957

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Tue 26/5

11:10-21:32

2 stops16h 22m

San Antonio

Tue 2/6

06:50-10:00

2 stops21h 10m

€964

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 is the most popular carrier 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 31% of people opting to fly with this airline when travelling to San Antonio. Keep in mind that there are 5 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

15h 12m

Direct flights

None
The fastest flight from Ireland to San Antonio takes 15h 12m
There are no direct flights from Ireland to San Antonio. There are no popular flight routes from Ireland to San Antonio.
Search flight deals

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 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.

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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