Cheap flights from San Antonio to Ireland from $323

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Ireland departing on 9/14. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from San Antonio to Ireland

Cheap round-trip flights

Enter your travel dates to find the best prices.
Aer Lingus Logo
9:00 am - 5:10 am
SAT
-
DUB
14h 10m
1 stop
Aer Lingus Logo
1:20 pm - 9:13 pm
DUB
-
SAT
13h 53m
1 stop
$336Aer Lingus
Tue, Sep 8 - Fri, Sep 18
Aer Lingus Logo
9:00 am - 5:10 am
SAT
-
DUB
14h 10m
1 stop
Aer Lingus Logo
1:20 pm - 9:13 pm
DUB
-
SAT
13h 53m
1 stop
$385Aer Lingus
Thu, Sep 3 - Wed, Sep 16
Aer Lingus Logo
9:00 am - 5:10 am
SAT
-
DUB
14h 10m
1 stop
Aer Lingus Logo
1:20 pm - 9:13 pm
DUB
-
SAT
13h 53m
1 stop
$386Aer Lingus
Thu, Sep 3 - Wed, Sep 16
Air Canada Logo
1:00 pm - 8:15 am
SAT
-
DUB
13h 15m
2 stops
Air Canada Logo
9:20 am - 9:13 pm
DUB
-
SAT
17h 53m
1 stop
$666Air Canada
Tue, Sep 8 - Fri, Sep 18
United Airlines Logo
9:07 am - 10:40 am
SAT
-
DUB
19h 33m
2 stops
United Airlines Logo
9:20 am - 3:43 pm
DUB
-
SAT
36h 23m
2 stops
$684United Airlines
Tue, Sep 8 - Fri, Sep 18
Aer Lingus Logo
9:00 am - 6:10 am
SAT
-
DUB
15h 10m
1 stop
Aer Lingus Logo
11:30 am - 9:57 pm
DUB
-
SAT
16h 27m
1 stop
$685Aer Lingus
Sat, Oct 24 - Thu, Nov 5
Aer Lingus Logo
7:05 am - 8:15 am
SAT
-
DUB
19h 10m
1 stop
Aer Lingus Logo
1:20 pm - 9:13 pm
DUB
-
SAT
13h 53m
1 stop
$688Aer Lingus
Mon, Aug 10 - Wed, Aug 19
Delta Logo
10:45 am - 7:45 am
SAT
-
DUB
15h 00m
1 stop
Delta Logo
5:45 am - 10:27 pm
DUB
-
SAT
22h 42m
2 stops
$703Delta
Tue, Nov 10 - Tue, Nov 17
United Airlines Logo
6:36 am - 7:30 am
SAT
-
SNN
18h 54m
1 stop
United Airlines Logo
9:30 am - 10:51 pm
SNN
-
SAT
19h 21m
1 stop
$759United Airlines
Sun, Sep 6 - Wed, Sep 9
British Airways Logo
5:35 pm - 4:10 pm
SAT
-
SNN
16h 35m
2 stops
British Airways Logo
7:30 am - 9:06 pm
SNN
-
SAT
19h 36m
2 stops
$8,066British Airways
Thu, Jun 11 - Thu, Jun 25

Aer Lingus flights from San Antonio to Ireland

Our best Aer Lingus deals on San Antonio to Ireland flight tickets
Aer Lingus
Sep 8
SAT9:00 amSan Antonio
14h 10m
1 stop
DUB5:10 amDublin
Sep 18
DUB1:20 pmDublin
13h 53m
1 stop
SAT9:13 pmSan Antonio
$336
Aer Lingus
Sep 3
SAT9:00 amSan Antonio
14h 10m
1 stop
DUB5:10 amDublin
Sep 16
DUB1:20 pmDublin
13h 53m
1 stop
SAT9:13 pmSan Antonio
$385
Aer Lingus
Sep 3
SAT9:00 amSan Antonio
14h 10m
1 stop
DUB5:10 amDublin
Sep 16
DUB1:20 pmDublin
13h 53m
1 stop
SAT9:13 pmSan Antonio
$386

Iberia flights from San Antonio to Ireland

Our best Iberia deals on San Antonio to Ireland flight tickets
Iberia
Aug 19
SAT7:24 amSan Antonio
22h 26m
1 stop
DUB11:50 amDublin
Aug 26
DUB9:50 amDublin
19h 00m
2 stops
SAT10:50 pmSan Antonio
$778
Iberia
Aug 17
SAT1:30 pmSan Antonio
16h 20m
1 stop
DUB11:50 amDublin
Aug 20
DUB6:20 pmDublin
34h 30m
2 stops
SAT10:50 pmSan Antonio
$789
Iberia
May 29
SAT6:27 pmSan Antonio
11h 23m
1 stop
DUB11:50 amDublin
Jun 2
DUB12:40 pmDublin
14h 26m
1 stop
SAT9:06 pmSan Antonio
$1,300

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to Ireland 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 May 20, 2026.
Use the filters below to find and compare flights from San Antonio to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

San AntonioDublin

SAT - DUB

SATDUB

San Antonio

Tue 9/8

9:00 am-5:10 am

1 stop14h 10m

Dublin

Fri 9/18

1:20 pm-9:13 pm

1 stop13h 53m

$336

San AntonioDublin

SAT - DUB

SATDUB

San Antonio

Thu 9/3

9:00 am-5:10 am

1 stop14h 10m

Dublin

Wed 9/16

1:20 pm-9:13 pm

1 stop13h 53m

$385

San AntonioDublin

SAT - DUB

SATDUB

San Antonio

Thu 9/3

9:00 am-5:10 am

1 stop14h 10m

Dublin

Wed 9/16

1:20 pm-9:13 pm

1 stop13h 53m

$386

San AntonioDublin

SAT - DUB

SATDUB

San Antonio

Tue 9/8

1:00 pm-8:15 am

2 stops13h 15m

Dublin

Fri 9/18

9:20 am-9:13 pm

1 stop17h 53m

$666

San AntonioDublin

SAT - DUB

SATDUB

San Antonio

Tue 9/8

9:07 am-10:40 am

2 stops19h 33m

Dublin

Fri 9/18

9:20 am-3:43 pm

2 stops36h 23m

$684

San AntonioDublin

SAT - DUB

SATDUB

San Antonio

Sat 10/24

9:00 am-6:10 am

1 stop15h 10m

Dublin

Thu 11/5

11:30 am-9:57 pm

1 stop16h 27m

$685

San AntonioDublin

SAT - DUB

SATDUB

San Antonio

Mon 8/10

7:05 am-8:15 am

1 stop19h 10m

Dublin

Wed 8/19

1:20 pm-9:13 pm

1 stop13h 53m

$688

San AntonioDublin

SAT - DUB

SATDUB

San Antonio

Tue 11/10

10:45 am-7:45 am

1 stop15h 00m

Dublin

Tue 11/17

5:45 am-10:27 pm

2 stops22h 42m

$703

San AntonioShannon

SAT - SNN

SATSNN

San Antonio

Sun 9/6

6:36 am-7:30 am

1 stop18h 54m

Shannon

Wed 9/9

9:30 am-10:51 pm

1 stop19h 21m

$759

San AntonioShannon

SAT - SNN

SATSNN

San Antonio

Thu 6/11

5:35 pm-4:10 pm

2 stops16h 35m

Shannon

Thu 6/25

7:30 am-9:06 pm

2 stops19h 36m

$8,066

Flights are sorted by cheapest round-trip flights first.

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

See travel insights to Ireland from

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

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 month to fly to Ireland?

In general, April is the cheapest month to fly from San Antonio to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $416. If you aren’t able to travel to Ireland during the month of April, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $417.

How far in advance should I book a flight from San Antonio to Ireland?

You are more likely to see cheaper flights to Ireland from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around $727 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from San Antonio for as low as $477 on momondo.

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

You could potentially save up to 11% on your flight if you consider stops on a San Antonio to Ireland flight.

Cheap San Antonio to Ireland flight deals and tips

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

Fastest flight time

11h 25m

Direct flights

None
The fastest flight from San Antonio to Ireland takes 11h 25m
There are no direct flights from San Antonio to Ireland. There are no popular flight routes from San Antonio to Ireland.

Frequently asked questions about flying from San Antonio to Ireland

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

    Prices for flights from San Antonio Airport to Ireland refresh daily.

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

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

    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 San Antonio Airport to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The necessary travel and health documents for your Ireland 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.

Best airlines flying from San Antonio to Ireland

Compare and see reviews for airlines that fly from San Antonio to Ireland with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $416Free CancellationRating
6.7
7,990 reviews
Search British Airways flights
KLMPriceFrom $483Free CancellationRating
7.8
1,518 reviews
Search KLM flights
DeltaPriceFrom $488Free CancellationRating
7.9
8,452 reviews
Search Delta flights
United AirlinesPriceFrom $488Free CancellationRating
7.4
9,744 reviews
Search United Airlines flights
American AirlinesPriceFrom $517Free CancellationRating
7.1
11,644 reviews
Search American Airlines flights
IberiaPriceFrom $700Free CancellationRating
7.0
3,220 reviews
Search Iberia flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Antonio to Ireland for you.

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

Yes. momondo allows you to filter the results for San Antonio to Ireland flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between San Antonio and Ireland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Ireland from 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.

An easier way to manage your Ireland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 6/19
Fri 6/26

Find better results for your trip to Ireland

Popular cities in Ireland

Popular flights according to clicks in the last 7 days on momondo