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Flights to San Antonio

€474 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 5/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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 - 00:15
DUB
-
SAT
35h 10m
2 stops
Scandinavian Airlines Logo
16:10 - 11:50
SAT
-
DUB
37h 40m
2 stops
€756Scandinavian Airlines
Thu, 3 Sep - Mon, 7 Sep
Scandinavian Airlines Logo
12:40 - 00:15
DUB
-
SAT
41h 35m
2 stops
Scandinavian Airlines Logo
16:10 - 11:50
SAT
-
DUB
37h 40m
2 stops
€757Scandinavian 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
€794Multiple Airlines
Mon, 8 Jun - Mon, 15 Jun
Scandinavian Airlines Logo
12:40 - 00:15
DUB
-
SAT
41h 35m
2 stops
Scandinavian Airlines Logo
16:10 - 11:50
SAT
-
DUB
37h 40m
2 stops
€863Scandinavian Airlines
Thu, 3 Sep - Mon, 7 Sep
Air Canada Logo
09:50 - 21:18
DUB
-
SAT
17h 28m
1 stop
Air Canada Logo
08:30 - 07:45
SAT
-
DUB
41h 15m
2 stops
€924Air Canada
Mon, 18 May - Thu, 28 May
KLM Logo
13:25 - 00:30
DUB
-
SAT
17h 05m
2 stops
KLM Logo
14:30 - 07:55
SAT
-
DUB
11h 25m
1 stop
€934KLM
Mon, 8 Jun - Mon, 15 Jun
Iberia Logo
09:50 - 22:52
DUB
-
SAT
19h 02m
2 stops
Iberia Logo
13:19 - 11:50
SAT
-
DUB
16h 31m
1 stop
€955Iberia
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
€956Lufthansa
Tue, 26 May - Tue, 2 Jun
Iberia Logo
12:40 - 23:56
DUB
-
SAT
17h 16m
1 stop
Iberia Logo
18:27 - 11:50
SAT
-
DUB
11h 23m
1 stop
€957Iberia
Mon, 18 May - Thu, 28 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
€959Iberia
Mon, 11 May - Mon, 18 May

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 26 April 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

19:05-00:15

2 stops35h 10m

San Antonio

Mon 7/9

16:10-11:50

2 stops37h 40m

€756

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Thu 3/9

12:40-00:15

2 stops41h 35m

San Antonio

Mon 7/9

16:10-11:50

2 stops37h 40m

€757

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

€794

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Thu 3/9

12:40-00:15

2 stops41h 35m

San Antonio

Mon 7/9

16:10-11:50

2 stops37h 40m

€863

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Mon 18/5

09:50-21:18

1 stop17h 28m

San Antonio

Thu 28/5

08:30-07:45

2 stops41h 15m

€924
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

€934

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

€955

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

€956

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Mon 18/5

12:40-23:56

1 stop17h 16m

San Antonio

Thu 28/5

18:27-11:50

1 stop11h 23m

€957

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

€959

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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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 14h 19m 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 14h 15m.

Cheapest flights to San Antonio

Find the cheapest flights to San Antonio from your nearest city or airport
Find flights from Dublin to Austin
CHEAPEST MONTH TO FLY TO SAN ANTONIO FROM DUBLINDecember45% cheaperFlying from Dublin to San Antonio costs on average just €399 in December
MOST EXPENSIVE MONTH TO FLY TO SAN ANTONIO FROM DUBLINJuly47% more expensiveIt costs about €1,057 for flights to San Antonio from Dublin in July
MOST POPULAR MONTH TO FLY TO SAN ANTONIO FROM DUBLINMarch100% more users visitedMore momondo users searched in flights to San Antonio from Dublin in March than any other month

Cheap San Antonio flight deals and tips

Summary info about San Antonio flight prices, duration and airlines

Best One-Way Price

€474

Best Round-Trip Price

€756

Fastest flight time

17h 42m

Popular in

July
The best one-way flight price to San Antonio from Ireland in the last 72 hours is €474 (Dublin to San Antonio).
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The best round-trip flight price to San Antonio from Ireland in the last 72 hours is €756 (Dublin to San Antonio).
Search Deals
The fastest flight to San Antonio from Ireland takes 17h 42m (Dublin to San Antonio).
Search Deals
July has the highest demand for flights to San Antonio, with a 9% price increase on average.
Search Deals

Frequently asked questions about flying to San Antonio

What is the cheapest month to fly to San Antonio?

In general, December is the cheapest month to fly from Ireland to San Antonio. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around €399. If you are unable to visit San Antonio during the month of December, then departing from Ireland during the month February is also very affordable. Most momondo users find prices during this month for around €761.

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 €612. 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 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.

An easier way to manage your San Antonio trip

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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 €886