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, Aer Lingus and Scandinavian Airlines. 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 05m 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 18h 32m.

€540 Cheap Flights to San Antonio in 2025/26

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Find the cheapest flights from Ireland to San Antonio

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12:30 - 23:17DUB-SAT

40h 47m2 stops

13:06 - 11:45SAT-DUB

40h 39m2 stops

€540Scandinavian Airlines

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Wed, 3 Dec - Mon, 8 Dec

12:30 - 23:33DUB-SAT

41h 03m2 stops

16:10 - 09:25SAT-DUB

35h 15m2 stops

€570Scandinavian Airlines

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Wed, 18 Feb - Thu, 26 Feb

09:00 - 13:18DUB-SAT

34h 18m3 stops

13:55 - 07:10SAT-DUB

35h 15m3 stops

€605Multiple Airlines

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Wed, 3 Dec - Mon, 8 Dec

12:30 - 23:33DUB-SAT

41h 03m2 stops

16:10 - 11:45SAT-DUB

37h 35m2 stops

€783Scandinavian Airlines

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Fri, 20 Feb - Tue, 24 Feb

05:55 - 00:38DUB-SAT

24h 43m2 stops

13:06 - 15:45SAT-DUB

20h 39m2 stops

€796Delta

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Wed, 26 Nov - Wed, 3 Dec

09:10 - 22:27DUB-SAT

19h 17m2 stops

11:18 - 09:55SAT-DUB

16h 37m1 stop

€797Lufthansa

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Wed, 26 Nov - Wed, 3 Dec

17:15 - 22:27DUB-SAT

35h 12m3 stops

06:00 - 23:00SAT-DUB

35h 00m2 stops

€798Multiple Airlines

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Wed, 18 Feb - Thu, 26 Feb

05:55 - 17:22DUB-SAT

17h 27m2 stops

14:00 - 07:45SAT-DUB

11h 45m1 stop

€799KLM

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Wed, 18 Feb - Thu, 26 Feb

10:40 - 23:16DUB-SAT

18h 36m1 stop

11:18 - 09:55SAT-DUB

16h 37m1 stop

€812Lufthansa

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Wed, 26 Nov - Wed, 3 Dec

11:30 - 13:06DUB-SAT

31h 36m1 stop

05:10 - 07:45SAT-DUB

20h 35m1 stop

€1,053Delta

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Fri, 12 Dec - Fri, 19 Dec

Fly from

Route

Depart

Return

Price

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Wed 3/12

12:30-23:17

2 stops40h 47m

San Antonio

Mon 8/12

13:06-11:45

2 stops40h 39m

€540

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Wed 18/2

12:30-23:33

2 stops41h 03m

San Antonio

Thu 26/2

16:10-09:25

2 stops35h 15m

€570

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Wed 3/12

09:00-13:18

3 stops34h 18m

San Antonio

Mon 8/12

13:55-07:10

3 stops35h 15m

€605

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

€783

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Wed 26/11

05:55-00:38

2 stops24h 43m

San Antonio

Wed 3/12

13:06-15:45

2 stops20h 39m

€796

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Wed 26/11

09:10-22:27

2 stops19h 17m

San Antonio

Wed 3/12

11:18-09:55

1 stop16h 37m

€797

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Wed 18/2

17:15-22:27

3 stops35h 12m

San Antonio

Thu 26/2

06:00-23:00

2 stops35h 00m

€798

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Wed 18/2

05:55-17:22

2 stops17h 27m

San Antonio

Thu 26/2

14:00-07:45

1 stop11h 45m

€799

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Wed 26/11

10:40-23:16

1 stop18h 36m

San Antonio

Wed 3/12

11:18-09:55

1 stop16h 37m

€812

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Fri 12/12

11:30-13:06

1 stop31h 36m

San Antonio

Fri 19/12

05:10-07:45

1 stop20h 35m

€1,053

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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, February 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 €724. If you are unable to visit San Antonio during the month of February, then departing from Ireland during the month April is also very affordable. Most momondo users find prices during this month for around €751.

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 €793. The most expensive day to fly to San Antonio is Sunday, with ticket prices averaging around €1,123.

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 €827 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 €1,213 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	February	16% cheaper	Flying from Dublin to San Antonio costs on average just €724 in February
MOST EXPENSIVE MONTH TO FLY TO SAN ANTONIO FROM DUBLIN	December	25% more expensive	It costs about €1,084 for flights to San Antonio from Dublin in December
MOST POPULAR MONTH TO FLY TO SAN ANTONIO FROM DUBLIN	December	850% 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	€685
Best Round-Trip Price	€540
Fastest flight time	16h 27m
Popular in	December

The best one-way flight price to San Antonio from Ireland in the last 72 hours is €685 (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 €540 (Dublin to San Antonio).

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The fastest flight to San Antonio from Ireland takes 16h 27m (Dublin to San Antonio).

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December has the highest demand for flights to San Antonio, with a 4% 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 €615. 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.