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Cheap flights from Dublin to San Antonio from £345

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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — SAT
5 Dec — 12 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 5 November 2025.

Thu 13/1109:20DUB - SAT
2 stops18h 00mLufthansa
Thu 27/1112:12SAT - DUB
1 stop16h 08mLufthansa
Deal found 3/11£698
Fri 12/1205:10DUB - SAT
2 stops21h 05mLufthansa
Thu 15/114:05SAT - DUB
2 stops21h 05mLufthansa
Deal found 3/11£701
Thu 13/1105:55DUB - SAT
2 stops17h 22mDelta
Wed 26/1106:30SAT - DUB
2 stops19h 30mDelta
Deal found 4/11£704
Thu 13/1113:25DUB - SAT
2 stops17h 13mKLM
Wed 26/1108:00SAT - DUB
1 stop17h 45mKLM
Deal found 4/11£707
Mon 10/1109:00DUB - SAT
2 stops18h 20mUnited Airlines
Sun 23/1114:04SAT - DUB
1 stop12h 06mUnited Airlines
Deal found 3/11£711
Sat 27/1208:50DUB - SAT
2 stops19h 59mDelta
Sat 3/106:00SAT - DUB
1 stop19h 45mDelta
Deal found 3/11£751
Sat 20/1209:45DUB - SAT
1 stop18h 08mMultiple Airlines
Sat 27/1218:13SAT - DUB
1 stop31h 32mMultiple Airlines
Deal found 5/11£755
Sat 20/1209:45DUB - SAT
2 stops30h 26mDelta
Sat 27/1206:00SAT - DUB
1 stop19h 45mDelta
Deal found 5/11£756
Thu 18/1210:45DUB - SAT
2 stops18h 12mMultiple Airlines
Thu 25/1211:16SAT - DUB
1 stop14h 29mMultiple Airlines
Deal found 3/11£758

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 5 November 2025.

Round-trip from

£698

One-way from

£345

Popular in

December

Cheapest in

February

Average price

£714
Lufthansa
  • Lufthansa
  • 22/11-5/12
  • 4 total stops
  • 32h 51m total
  • Dublin to San Antonio
Search Deals
8/12
  • 8/12
  • 3 total stops
  • 39h 15m total
  • Dublin to San Antonio
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£28 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 5 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 12/12

05:10-20:15

2 stops21h 05m

San Antonio

Thu 15/1

14:05-08:10

1 stop12h 05m

£698

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Sat 22/11

09:15-21:20

2 stops18h 05m

San Antonio

Fri 5/12

13:34-10:20

2 stops14h 46m

£698

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Fri 12/12

09:00-22:59

3 stops19h 59m

San Antonio

Thu 15/1

11:43-07:30

2 stops13h 47m

£711

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Fri 20/2

09:30-20:53

2 stops17h 23m

San Antonio

Tue 24/2

14:10-10:20

2 stops14h 10m

£712

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Fri 20/2

10:40-21:15

2 stops16h 35m

San Antonio

Tue 24/2

12:17-10:20

1 stop16h 03m

£712

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Mon 8/12

07:50-17:05

3 stops39h 15m

£345

DublinSan Antonio

DUB - SAT

DUBSAT

Dublin

Wed 14/1

10:45-11:35

1 stop30h 50m

£687

Flights are sorted by cheapest return flights first.

Deals found on 3/11

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 £703). 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 5 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 5 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
9,002 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

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
9,002 reviews
United Airlines
7.4
Good
9,002 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Comfort

7.3

Food

6.6

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 19h 59m. Your travel time can differ by up to 1h 06m. The distance between Dublin and San Antonio is about 4690 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 £675 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 £703). 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

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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.
Dublin to Dallas/Fort Worth flights
Dublin to Hobby flights
Dublin to Austin flights
Dublin to George Bush Intcntl flights

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 5 November 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£675Average£888FlexibilityNo 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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