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Cheap flights from Dublin to San Antonio from £530

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 26/12. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SAT
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 7 November 2025.

Thu 13/1112:05DUB - SAT
1 stop14h 10mUnited Airlines
Wed 26/1111:40SAT - DUB
2 stops16h 15mUnited Airlines
Deal found 6/11£710
Fri 14/1112:05DUB - SAT
1 stop14h 10mUnited Airlines
Thu 27/1107:05SAT - DUB
1 stop19h 05mUnited Airlines
Deal found 7/11£713
Sat 20/1209:45DUB - SAT
1 stop18h 08mMultiple Airlines
Sat 27/1218:13SAT - DUB
1 stop31h 32mMultiple Airlines
Deal found 5/11£754
Sat 20/1209:45DUB - SAT
2 stops30h 26mDelta
Sat 27/1206:00SAT - DUB
1 stop19h 45mDelta
Deal found 5/11£755
Sun 30/1109:45DUB - SAT
1 stop20h 53mKLM
Fri 5/1211:36SAT - DUB
1 stop14h 09mKLM
Deal found 5/11£1,219

Cheap 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 7 November 2025.

Round-trip from

£710

One-way from

£530

Popular in

December

Cheapest in

February

Average price

£713
Lufthansa
  • Lufthansa
  • 20/2-24/2
  • 3 total stops
  • 29h 25m total
  • Dublin to San Antonio
Search Deals
British Airways
  • British Airways
  • 26/12
  • 2 total stops
  • 17h 56m total
  • Dublin to San Antonio
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£29 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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 7 November 2025.
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

Fri 20/2

10:40-21:15

2 stops16h 35m

San Antonio

Tue 24/2

12:40-07:30

1 stop12h 50m

£710

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Fri 20/2

10:40-21:15

2 stops16h 35m

San Antonio

Tue 24/2

14:10-10:20

2 stops14h 10m

£710

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Mon 9/3

08:00-21:23

2 stops18h 23m

San Antonio

Fri 20/3

14:10-08:10

1 stop13h 00m

£739

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Fri 13/3

08:00-23:12

2 stops20h 12m

San Antonio

Fri 20/3

14:10-08:10

1 stop13h 00m

£739

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Mon 9/3

08:00-22:33

2 stops19h 33m

San Antonio

Sun 22/3

07:30-10:20

1 stop21h 50m

£739

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Mon 9/3

08:00-22:33

2 stops19h 33m

San Antonio

Wed 18/3

14:10-08:10

1 stop13h 00m

£739

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Fri 26/12

08:45-20:41

2 stops17h 56m

£530

Flights are sorted by cheapest return flights first.

Deals found on 6/11

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, February is the cheapest month in which you can book a flight from Dublin to San Antonio (average of £309). Flying from Dublin to San Antonio in July is currently the most expensive (average of £702). 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.

What is the cheapest time of day to fly from DUB to SAT?

Find hourly flight availability from Dublin to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 7 November 2025.

It’s typically best to fly out from Dublin to San Antonio in the evening. Doing so could potentially save you 37% on the flight price compared to flying in the afternoon, which is usually more expensive.

Reviews of airlines servicing San Antonio

Get insights into the airlines that provide service to San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Antonio. Reviews last updated 7 November 2025.
Read through reviews of airlines operating flights from Dublin to San Antonio, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,009 reviews
Check prices

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,009 reviews
United Airlines
7.4
Good
9,009 reviews
Check prices

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Overall

7.4

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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?

    Lufthansa and United Airlines can get you from Dublin to San Antonio in just under 16h 35m. Your travel time can differ by up to . The distance between Dublin and San Antonio is about 4690 mi.

  • What is the cheapest airline to fly from Dublin to San Antonio round-trip?

    Our cheapest airline available from Dublin to San Antonio is United Airlines. Our recent data shows that you can find tickets from as low as £674 on this airline. United Airlines is currently priced 12% below the average price you’ll pay for this route.

  • 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, February is the cheapest month in which you can book a flight from Dublin to San Antonio (average of £309). Flying from Dublin to San Antonio in July is currently the most expensive (average of £702). 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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Top airline flying from Dublin to San Antonio

Discover the top airline that operate flights from Dublin to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 7 November 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£674Average£887FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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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