Which airlines fly to San Antonio?

For flights from Ireland to San Antonio, most momondo users will book with popular airlines such as American Airlines, United Airlines, British Airways and Aer Lingus. Depending on what airport you fly from, you may have other airlines to choose from.

How long does it take to fly to San Antonio?

On average, it takes 14h 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 16h.

€552 Cheap Flights to San Antonio in 2025

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Find the cheapest flights from Ireland to San Antonio

Round-trip

One-way

Cheap return flights

12:30 - 23:33DUB-SAT

41h 03m2 stops

16:10 - 11:45SAT-DUB

37h 35m2 stops

€552Scandinavian Airlines

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Fri, 20 Feb - Tue, 24 Feb

12:30 - 23:33DUB-SAT

41h 03m2 stops

16:10 - 11:45SAT-DUB

37h 35m2 stops

€553Scandinavian Airlines

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Fri, 20 Feb - Tue, 24 Feb

12:30 - 23:33DUB-SAT

41h 03m2 stops

16:10 - 11:45SAT-DUB

37h 35m2 stops

€709Scandinavian Airlines

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Wed, 21 Jan - Sun, 1 Feb

13:25 - 10:40DUB-SAT

27h 15m2 stops

16:00 - 15:45SAT-DUB

17h 45m2 stops

€766Delta

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Wed, 17 Dec - Sun, 18 Jan

13:25 - 00:33DUB-SAT

17h 08m2 stops

12:10 - 08:45SAT-DUB

14h 35m1 stop

€768Delta

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Wed, 17 Dec - Sun, 18 Jan

09:00 - 23:08DUB-SAT

20h 08m2 stops

12:50 - 07:30SAT-DUB

12h 40m1 stop

€802United Airlines

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Fri, 20 Feb - Tue, 24 Feb

09:00 - 23:13DUB-SAT

20h 13m3 stops

11:43 - 08:10SAT-DUB

14h 27m2 stops

€804United Airlines

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Wed, 21 Jan - Sun, 1 Feb

10:40 - 23:13DUB-SAT

18h 33m1 stop

14:05 - 08:10SAT-DUB

12h 05m1 stop

€814Lufthansa

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Wed, 21 Jan - Sun, 1 Feb

15:15 - 15:11DUB-SAT

29h 56m2 stops

06:00 - 14:50SAT-DUB

26h 50m2 stops

€819

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Tue, 25 Nov - Fri, 28 Nov

12:05 - 15:11DUB-SAT

33h 06m3 stops

06:00 - 14:50SAT-DUB

26h 50m2 stops

€883

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Tue, 25 Nov - Fri, 28 Nov

Fly from

Route

Depart

Return

Price

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Fri 20/2

12:30-23:33

2 stops41h 03m

San Antonio

Tue 24/2

16:10-11:45

2 stops37h 35m

€552

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Fri 20/2

12:30-23:33

2 stops41h 03m

San Antonio

Tue 24/2

16:10-11:45

2 stops37h 35m

€553

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Wed 21/1

12:30-23:33

2 stops41h 03m

San Antonio

Sun 1/2

16:10-11:45

2 stops37h 35m

€709

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Wed 17/12

13:25-10:40

2 stops27h 15m

San Antonio

Sun 18/1

16:00-15:45

2 stops17h 45m

€766

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Wed 17/12

13:25-00:33

2 stops17h 08m

San Antonio

Sun 18/1

12:10-08:45

1 stop14h 35m

€768

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Fri 20/2

09:00-23:08

2 stops20h 08m

San Antonio

Tue 24/2

12:50-07:30

1 stop12h 40m

€802

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Wed 21/1

09:00-23:13

3 stops20h 13m

San Antonio

Sun 1/2

11:43-08:10

2 stops14h 27m

€804

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Wed 21/1

10:40-23:13

1 stop18h 33m

San Antonio

Sun 1/2

14:05-08:10

1 stop12h 05m

€814

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Tue 25/11

15:15-15:11

2 stops29h 56m

San Antonio

Fri 28/11

06:00-14:50

2 stops26h 50m

€818

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Tue 25/11

12:05-15:11

3 stops33h 06m

San Antonio

Fri 28/11

06:00-14:50

2 stops26h 50m

€883

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Showing 1-10 of 19 resultsSorted by cheapest first

San Antonio flights insights and trends

Explore insights for your San Antonio flight to craft the best travel plan

Prices

Other information

What is the cheapest month to fly to San Antonio?

In general, November 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 €674. If you are unable to visit San Antonio during the month of November, then departing from Ireland during the month February is also very affordable. Most momondo users find prices during this month for around €720.

What is the cheapest day to depart on your flight to San Antonio?

The cheapest day to depart from Ireland to San Antonio is on a Wednesday. Travellers who choose to depart for San Antonio on a Wednesday will often find tickets for as low as €788. The most expensive day to fly to San Antonio is Sunday, with ticket prices averaging around €1,116.

What is the cheapest time of day to depart on your flight to San Antonio?

Flying to San Antonio from Ireland in the morning is the least expensive time of day to depart. momondo users have found prices as low as €822 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are €1,205 on average. Flights to San Antonio from Ireland in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

Cheapest flights to San Antonio

Find the cheapest flights to San Antonio from your nearest city or airport

Find flights from Dublin to San Antonio

CHEAPEST MONTH TO FLY TO SAN ANTONIO FROM DUBLIN	November	20% cheaper	Flying from Dublin to San Antonio costs on average just €674 in November
MOST EXPENSIVE MONTH TO FLY TO SAN ANTONIO FROM DUBLIN	December	28% more expensive	It costs about €1,078 for flights to San Antonio from Dublin in December
MOST POPULAR MONTH TO FLY TO SAN ANTONIO FROM DUBLIN	December	350% more users visited	More momondo users searched in flights to San Antonio from Dublin in December 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	€627
Best Round-Trip Price	€552
Fastest flight time	18h 45m
Popular in	December

The best one-way flight price to San Antonio from Ireland in the last 72 hours is €627 (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 €552 (Dublin to San Antonio).

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The fastest flight to San Antonio from Ireland takes 18h 45m (Dublin to San Antonio).

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December has the highest demand for flights to San Antonio, with a 1% price increase on average.

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Frequently asked questions about flying to San Antonio

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.