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Flights to San Antonio

€362 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 24/4. 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 - 00:44
DUB
-
SAT
35h 39m
2 stops
Scandinavian Airlines Logo
14:00 - 18:20
SAT
-
DUB
46h 20m
2 stops
€786Scandinavian Airlines
Sat, 23 May - Wed, 10 Jun
British Airways Logo
12:30 - 23:59
DUB
-
SAT
17h 29m
2 stops
British Airways Logo
20:08 - 17:15
SAT
-
DUB
15h 07m
2 stops
€866British Airways
Mon, 30 Mar - Mon, 6 Apr
Multiple Airlines Logo
18:10 - 13:17
DUB
-
SAT
49h 07m
2 stops
Multiple Airlines Logo
09:55 - 08:45
SAT
-
DUB
16h 50m
1 stop
€874Multiple Airlines
Thu, 23 Apr - Thu, 7 May
Scandinavian Airlines Logo
19:05 - 22:15
DUB
-
SAT
33h 10m
2 stops
Scandinavian Airlines Logo
16:10 - 18:20
SAT
-
DUB
20h 10m
2 stops
€885Scandinavian Airlines
Wed, 2 Sep - Sun, 6 Sep
Scandinavian Airlines Logo
19:05 - 22:15
DUB
-
SAT
33h 10m
2 stops
Scandinavian Airlines Logo
16:10 - 18:20
SAT
-
DUB
20h 10m
2 stops
€886Scandinavian Airlines
Wed, 2 Sep - Sun, 6 Sep
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
€886Scandinavian Airlines
Wed, 2 Sep - Sun, 6 Sep
Lufthansa Logo
06:05 - 22:53
DUB
-
SAT
22h 48m
2 stops
Lufthansa Logo
13:25 - 16:55
SAT
-
DUB
21h 30m
2 stops
€893Lufthansa
Mon, 30 Mar - Sun, 5 Apr
Lufthansa Logo
11:35 - 22:53
DUB
-
SAT
17h 18m
1 stop
Lufthansa Logo
12:09 - 10:40
SAT
-
DUB
16h 31m
1 stop
€894Lufthansa
Mon, 30 Mar - Mon, 6 Apr
Lufthansa Logo
11:35 - 22:58
DUB
-
SAT
17h 23m
1 stop
Lufthansa Logo
12:09 - 10:40
SAT
-
DUB
16h 31m
1 stop
€895Lufthansa
Thu, 2 Apr - Thu, 16 Apr
Finnair Logo
09:30 - 18:09
DUB
-
SAT
14h 39m
1 stop
Finnair Logo
13:32 - 09:45
SAT
-
DUB
14h 13m
1 stop
€896Finnair
Thu, 2 Apr - Thu, 16 Apr

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 11 March 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

Sat 23/5

19:05-00:44

2 stops35h 39m

San Antonio

Wed 10/6

14:00-18:20

2 stops46h 20m

€786

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Mon 30/3

12:30-23:59

2 stops17h 29m

San Antonio

Mon 6/4

20:08-17:15

2 stops15h 07m

€866

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Thu 23/4

18:10-13:17

2 stops49h 07m

San Antonio

Thu 7/5

09:55-08:45

1 stop16h 50m

€874

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Wed 2/9

19:05-22:15

2 stops33h 10m

San Antonio

Sun 6/9

16:10-18:20

2 stops20h 10m

€885

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Wed 2/9

19:05-22:15

2 stops33h 10m

San Antonio

Sun 6/9

16:10-18:20

2 stops20h 10m

€886

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Wed 2/9

19:05-00:15

2 stops35h 10m

San Antonio

Sun 6/9

16:10-11:50

2 stops37h 40m

€886

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Mon 30/3

06:05-22:53

2 stops22h 48m

San Antonio

Sun 5/4

13:25-16:55

2 stops21h 30m

€893

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Mon 30/3

11:35-22:53

1 stop17h 18m

San Antonio

Mon 6/4

12:09-10:40

1 stop16h 31m

€894

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Thu 2/4

11:35-22:58

1 stop17h 23m

San Antonio

Thu 16/4

12:09-10:40

1 stop16h 31m

€895
Fastest return journey

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Thu 2/4

09:30-18:09

1 stop14h 39m

San Antonio

Thu 16/4

13:32-09:45

1 stop14h 13m

€896

Flights are sorted by cheapest return flights first.

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

See travel insights to San Antonio from

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 13h 16m 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 19h 25m.

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 DUBLINDecember43% cheaperFlying from Dublin to San Antonio costs on average just €404 in December
MOST EXPENSIVE MONTH TO FLY TO SAN ANTONIO FROM DUBLINJuly51% more expensiveIt costs about €1,068 for flights to San Antonio from Dublin in July
MOST POPULAR MONTH TO FLY TO SAN ANTONIO FROM DUBLINMay700% more users visitedMore momondo users searched in flights to San Antonio from Dublin in May 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

€362

Best Round-Trip Price

€786

Fastest flight time

36h 27m

Popular in

July
The best one-way flight price to San Antonio from Ireland in the last 72 hours is €362 (Dublin to San Antonio).
Search Deals
The best round-trip flight price to San Antonio from Ireland in the last 72 hours is €786 (Dublin to San Antonio).
Search Deals
The fastest flight to San Antonio from Ireland takes 36h 27m (Dublin to San Antonio).
Search Deals
July has the highest demand for flights to San Antonio, with a 14% 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 €404. If you are unable to visit San Antonio during the month of December, then departing from Ireland during the month April is also very affordable. Most momondo users find prices during this month for around €755.

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 €619. 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.

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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 €817