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Cheap flights from Ireland to San Antonio from $399

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 9/1. 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

Recent round-trip flight deals from Ireland to San Antonio

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:40 am - 9:13 pm
DUB
-
SAT
17h 33m
2 stops
Multiple Airlines Logo
6:40 am - 9:20 am
SAT
-
DUB
20h 40m
2 stops
$866Multiple Airlines
Wed, Jul 15 - Wed, Jul 22
Scandinavian Airlines Logo
7:05 pm - 11:18 pm
DUB
-
SAT
34h 13m
2 stops
Scandinavian Airlines Logo
4:10 pm - 9:25 am
SAT
-
DUB
35h 15m
2 stops
$978Scandinavian Airlines
Mon, Nov 16 - Fri, Nov 27
Scandinavian Airlines Logo
7:05 pm - 11:18 pm
DUB
-
SAT
34h 13m
2 stops
Scandinavian Airlines Logo
4:10 pm - 9:25 am
SAT
-
DUB
35h 15m
2 stops
$980Scandinavian Airlines
Mon, Nov 16 - Fri, Nov 27
Multiple Airlines Logo
1:15 pm - 9:13 pm
DUB
-
SAT
13h 58m
1 stop
Multiple Airlines Logo
8:50 am - 8:15 am
SAT
-
DUB
17h 25m
1 stop
$1,057Multiple Airlines
Fri, Jun 19 - Thu, Jul 2
Delta Logo
8:50 am - 8:22 pm
DUB
-
SAT
17h 32m
2 stops
Delta Logo
6:45 am - 8:45 am
SAT
-
DUB
20h 00m
2 stops
$1,059Delta
Mon, Nov 16 - Fri, Nov 27
Delta Logo
5:45 am - 8:22 pm
DUB
-
SAT
20h 37m
2 stops
Delta Logo
12:10 pm - 8:45 am
SAT
-
DUB
14h 35m
1 stop
$1,062Delta
Mon, Nov 16 - Fri, Nov 27
Delta Logo
8:50 am - 9:32 pm
DUB
-
SAT
18h 42m
2 stops
Delta Logo
2:00 pm - 7:55 am
SAT
-
DUB
11h 55m
1 stop
$1,064Delta
Mon, Nov 16 - Fri, Nov 27
KLM Logo
9:55 am - 9:32 pm
DUB
-
SAT
17h 37m
1 stop
KLM Logo
10:45 am - 7:45 am
SAT
-
DUB
15h 00m
1 stop
$1,070KLM
Mon, Nov 16 - Fri, Nov 27
KLM Logo
9:55 am - 9:32 pm
DUB
-
SAT
17h 37m
1 stop
KLM Logo
10:45 am - 7:45 am
SAT
-
DUB
15h 00m
1 stop
$1,072KLM
Mon, Nov 16 - Fri, Nov 27
United Airlines Logo
12:05 pm - 8:06 pm
DUB
-
SAT
14h 01m
1 stop
United Airlines Logo
2:01 pm - 8:10 am
SAT
-
DUB
12h 09m
1 stop
$1,074United Airlines
Mon, Nov 16 - Fri, Nov 27

Delta flights from Ireland to San Antonio

Our best Delta deals on Ireland to San Antonio flight tickets
Delta
Jun 7
DUB5:55 amDublin
15h 54m
2 stops
SAT3:49 pmSan Antonio
Jun 20
SAT6:05 amSan Antonio
21h 55m
2 stops
DUB10:00 amDublin
$1,010
Delta
Nov 16
DUB8:50 amDublin
17h 32m
2 stops
SAT8:22 pmSan Antonio
Nov 27
SAT6:45 amSan Antonio
20h 00m
2 stops
DUB8:45 amDublin
$1,059
Delta
Nov 16
DUB5:45 amDublin
20h 37m
2 stops
SAT8:22 pmSan Antonio
Nov 27
SAT12:10 pmSan Antonio
14h 35m
1 stop
DUB8:45 amDublin
$1,062

KLM flights from Ireland to San Antonio

Our best KLM deals on Ireland to San Antonio flight tickets
KLM
Jun 7
DUB12:00 pmDublin
35h 13m
1 stop
SAT5:13 pmSan Antonio
Jun 20
SAT2:52 pmSan Antonio
11h 53m
1 stop
DUB8:45 amDublin
$1,021
KLM
Nov 16
DUB9:55 amDublin
17h 37m
1 stop
SAT9:32 pmSan Antonio
Nov 27
SAT10:45 amSan Antonio
15h 00m
1 stop
DUB7:45 amDublin
$1,070
KLM
Nov 16
DUB9:55 amDublin
17h 37m
1 stop
SAT9:32 pmSan Antonio
Nov 27
SAT10:45 amSan Antonio
15h 00m
1 stop
DUB7:45 amDublin
$1,072

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated June 5, 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 round-trip

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Wed 7/15

9:40 am-9:13 pm

2 stops17h 33m

San Antonio

Wed 7/22

6:40 am-9:20 am

2 stops20h 40m

$866

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Mon 11/16

7:05 pm-11:18 pm

2 stops34h 13m

San Antonio

Fri 11/27

4:10 pm-9:25 am

2 stops35h 15m

$978

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Mon 11/16

7:05 pm-11:18 pm

2 stops34h 13m

San Antonio

Fri 11/27

4:10 pm-9:25 am

2 stops35h 15m

$980

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Fri 6/19

1:15 pm-9:13 pm

1 stop13h 58m

San Antonio

Thu 7/2

8:50 am-8:15 am

1 stop17h 25m

$1,057

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Mon 11/16

8:50 am-8:22 pm

2 stops17h 32m

San Antonio

Fri 11/27

6:45 am-8:45 am

2 stops20h 00m

$1,059

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Mon 11/16

5:45 am-8:22 pm

2 stops20h 37m

San Antonio

Fri 11/27

12:10 pm-8:45 am

1 stop14h 35m

$1,062

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Mon 11/16

8:50 am-9:32 pm

2 stops18h 42m

San Antonio

Fri 11/27

2:00 pm-7:55 am

1 stop11h 55m

$1,064

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Mon 11/16

9:55 am-9:32 pm

1 stop17h 37m

San Antonio

Fri 11/27

10:45 am-7:45 am

1 stop15h 00m

$1,070

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Mon 11/16

9:55 am-9:32 pm

1 stop17h 37m

San Antonio

Fri 11/27

10:45 am-7:45 am

1 stop15h 00m

$1,072
Quickest round-trip

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Mon 11/16

12:05 pm-8:06 pm

1 stop14h 01m

San Antonio

Fri 11/27

2:01 pm-8:10 am

1 stop12h 09m

$1,074

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

Can stopping save me money on Ireland to San Antonio flights?

You could potentially save up to 8% on your flight if you consider stops on a Ireland to San Antonio flight.

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

17h 32m

Direct flights

None
The fastest flight from Ireland to San Antonio takes 17h 32m
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?

    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 from Ireland to San Antonio Airport.

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

    The travel and health documents required for your trip to San Antonio Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Antonio Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville
Pleasanton
Boerne
Schertz

Why use momondo?

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

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

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ireland to San Antonio.

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

Yes momondo offers price alerts on flights to San Antonio from Ireland. 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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