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Cheap flights from Dublin to San Antonio from £500

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SAT
27 Feb — 6 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Dublin to San Antonio

Enter your travel dates to find the best prices.

Cheapest flights from Dublin to San Antonio
Explore the most affordable flight options available from Dublin to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 January 2026.

Sat 21/1105:55
DUB
-
SAT
2 stops23h 25m
Delta
Sun 29/1112:15
SAT
-
DUB
1 stop13h 30m
Delta
Deal found 26/1£656
Sat 21/205:55
DUB
-
SAT
2 stops23h 00m
Delta
Sat 7/305:30
SAT
-
DUB
1 stop20h 15m
Delta
Deal found 26/1£657
Sun 22/209:45
DUB
-
SAT
2 stops19h 10m
Delta
Sat 7/305:30
SAT
-
DUB
1 stop20h 15m
Delta
Deal found 27/1£665
Thu 12/306:00
DUB
-
SAT
2 stops23h 38m
Delta
Thu 19/313:37
SAT
-
DUB
1 stop13h 08m
Delta
Deal found 26/1£682
Thu 12/309:45
DUB
-
SAT
1 stop15h 45m
KLM
Thu 19/313:37
SAT
-
DUB
1 stop13h 08m
KLM
Deal found 26/1£685
Sat 21/1109:00
DUB
-
SAT
2 stops36h 38m
United Airlines
Sun 29/1105:45
SAT
-
DUB
2 stops19h 25m
United Airlines
Deal found 26/1£700
Fri 6/209:00
DUB
-
SAT
2 stops20h 15m
United Airlines
Mon 9/209:50
SAT
-
DUB
2 stops15h 40m
United Airlines
Deal found 25/1£712

Find flight deals from Dublin to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 28 January 2026.

Round-trip from

£657

One-way from

£500

Popular in

September

Cheapest in

December

Average price

£778
Delta
  • Delta
  • 21/2-7/3
  • 3 total stops
  • 43h 15m total
  • Dublin to San Antonio
Search Deals
Finnair
  • Finnair
  • 2/5
  • 1 total stop
  • 15h 12m total
  • Dublin to San Antonio
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£41 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Dublin to San Antonio 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, Cheapflights users made 858,174 searches. Data last updated 28 January 2026.
Use the filters below to find and compare flights from Dublin to San Antonio that are best for you.

Fly from

Dublin

Fly to

San Antonio

Route

Depart

Return

Price

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Sat 21/2

05:55-22:55

2 stops23h 00m

San Antonio

Sat 7/3

05:30-07:45

1 stop20h 15m

£657

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Sun 22/2

09:45-22:55

2 stops19h 10m

San Antonio

Sat 7/3

05:30-07:45

1 stop20h 15m

£665

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Thu 12/3

06:00-00:38

2 stops23h 38m

San Antonio

Thu 19/3

13:37-07:45

1 stop13h 08m

£682

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Thu 12/3

09:45-20:30

1 stop15h 45m

San Antonio

Thu 19/3

13:37-07:45

1 stop13h 08m

£685

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Sat 21/2

09:00-23:12

2 stops20h 12m

San Antonio

Sat 7/3

14:15-09:55

2 stops13h 40m

£712

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Sun 22/2

09:00-23:12

2 stops20h 12m

San Antonio

Sat 7/3

14:15-10:20

2 stops14h 05m

£713

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Sat 2/5

09:30-18:42

1 stop15h 12m

£500

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Thu 28/5

13:35-12:10

3 stops28h 35m

£3,402

Flights are sorted by cheapest return flights first.

Deals found on 26/1

Best time to book a flight from Dublin to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Dublin with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Dublin to San Antonio

What is the cheapest month to book a flight from Dublin to San Antonio?

Currently, December is the cheapest month in which you can book a flight from Dublin to San Antonio (average of £229). Flying from Dublin to San Antonio in July is currently the most expensive (average of £669). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Dublin to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Dublin to San Antonio?

    Delta can get you from Dublin to San Antonio in just under 23h. Your travel time can differ by up to . The distance between Dublin and San Antonio is about 4690 mi.

  • Can I find deals for flights from Dublin to San Antonio that include hotel bookings?

    Yes. In addition to deals on Dublin to San Antonio flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Dublin to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dublin to San Antonio.

  • Can I find deals for business class flights from Dublin to San Antonio?

    Yes. Cheapflights offers flight deals from Dublin to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Dublin to San Antonio?

    Currently, December is the cheapest month in which you can book a flight from Dublin to San Antonio (average of £229). Flying from Dublin to San Antonio in July is currently the most expensive (average of £669). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Dublin to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Dublin to San Antonio?

Deals for Dublin to San Antonio flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Dublin to San Antonio?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Dublin to San Antonio for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Dublin to San Antonio with no change fees?

Yes, we can. To see specific flights from Dublin to San Antonio with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Dublin to San Antonio become cheaper?

Not ready to book yet? You can track prices for flights from Dublin to San Antonio on Cheapflights with our Price Alert feature and get notified when better prices are available.

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