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Cheap flights from Ireland to Buenos Aires from £343

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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — BUE
16 Jul — 23 Jul1
1 adult

Cheap flight deals from Ireland to Buenos Aires

Keep the following information in mind while searching for Ireland to Buenos Aires flight deals. Data was last updated 11 July 2025.

Round-trip from

£673

One-way from

£343

Popular in

August

Cheapest in

February

Average price

£1,007
United Airlines
  • United Airlines
  • 10/11-8/12
  • 4 total stops
  • 79h 30m total
  • Ireland to Buenos Aires
Search Deals
United Airlines
  • United Airlines
  • 2/9
  • 2 total stops
  • 48h 25m total
  • Ireland to Buenos Aires
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£47 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 July 2025
Search Deals

Find flight deals from Ireland to Buenos Aires

Cheapest flights from Ireland to Buenos Aires
Explore the most affordable flight options available from Ireland to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.

Mon 10/1112:05DUB - EZE
2 stops46h 15mUnited Airlines
Mon 8/1222:05EZE - DUB
2 stops33h 15mUnited Airlines
Deal found 9/7£673
Wed 27/817:20DUB - EZE
1 stop16h 10mKLM
Fri 21/1116:25EZE - DUB
1 stop20h 55mKLM
Deal found 9/7£712
Fri 7/1109:00DUB - EZE
2 stops33h 10mAir Canada
Fri 5/1216:45EZE - DUB
2 stops35h 25mAir Canada
Deal found 9/7£745
Tue 11/1110:45DUB - EZE
1 stop26h 00mDelta
Mon 8/1222:25EZE - DUB
1 stop31h 20mDelta
Deal found 9/7£751
Thu 30/1005:00DUB - EZE
3 stops37h 10mMultiple Airlines
Fri 5/1216:45EZE - DUB
2 stops35h 25mMultiple Airlines
Deal found 11/7£773
Sat 8/1113:10DUB - EZE
2 stops25h 35mBritish Airways
Fri 12/1213:35EZE - DUB
2 stops19h 30mBritish Airways
Deal found 9/7£841
Sat 8/1118:35DUB - AEP
2 stops20h 05mSWISS
Thu 11/1214:55AEP - DUB
2 stops23h 50mSWISS
Deal found 9/7£849
Thu 30/1017:20DUB - AEP
2 stops20h 30mMultiple Airlines
Tue 18/1114:55AEP - DUB
2 stops23h 50mMultiple Airlines
Deal found 11/7£853
Fri 31/1008:00DUB - AEP
2 stops36h 10mAir Canada
Fri 14/1113:35AEP - DUB
2 stops38h 35mAir Canada
Deal found 9/7£1,241

Cheapflights Fare Finder

Customise your flight search to find flights from Ireland to Buenos Aires 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 11 July 2025.
Use the filters below to find and compare flights from Ireland to Buenos Aires that are best for you.

Fly from

Ireland

Fly to

Buenos Aires

Route

Depart

Return

Price

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Mon 10/11

12:05-07:20

2 stops46h 15m

Buenos Aires Ministro Pistarini

Mon 8/12

22:05-10:20

2 stops33h 15m

£673

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Wed 27/8

17:20-05:30

1 stop16h 10m

Buenos Aires Ministro Pistarini

Fri 21/11

16:25-16:20

1 stop20h 55m

£712

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Fri 7/11

09:00-15:10

2 stops33h 10m

Buenos Aires Ministro Pistarini

Fri 5/12

16:45-07:10

2 stops35h 25m

£745

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Tue 11/11

10:45-09:45

1 stop26h 00m

Buenos Aires Ministro Pistarini

Mon 8/12

22:25-08:45

1 stop31h 20m

£751

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Thu 30/10

05:00-15:10

3 stops37h 10m

Buenos Aires Ministro Pistarini

Fri 5/12

16:45-07:10

2 stops35h 25m

£773

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Sat 8/11

13:10-11:45

2 stops25h 35m

Buenos Aires Ministro Pistarini

Fri 12/12

13:35-12:05

2 stops19h 30m

£841

DublinBuenos Aires

DUB - AEP

DUBAEP

Dublin

Sat 8/11

18:35-11:40

2 stops20h 05m

Buenos Aires Jorge Newbery

Thu 11/12

14:55-17:45

2 stops23h 50m

£849

DublinBuenos Aires

DUB - AEP

DUBAEP

Dublin

Thu 30/10

17:20-10:50

2 stops20h 30m

Buenos Aires Jorge Newbery

Tue 18/11

14:55-17:45

2 stops23h 50m

£853

DublinBuenos Aires

DUB - AEP

DUBAEP

Dublin

Fri 31/10

08:00-17:10

2 stops36h 10m

Buenos Aires Jorge Newbery

Fri 14/11

13:35-07:10

2 stops38h 35m

£1,241

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Tue 2/9

11:35-08:00

2 stops48h 25m

£343

Flights are sorted by cheapest return flights first.

Deals found on 10/7

Showing 1-10 of 13 results
1
2

Best time to book a flight from Ireland to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Ireland 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 Ireland to Buenos Aires

What is the cheapest time of day to fly from IE to BUE?

Find hourly flight availability from Ireland to Buenos Aires. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 July 2025.

When flying from Ireland to Buenos Aires, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Buenos Aires

Get insights into the airlines that provide service to Buenos Aires. 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 Buenos Aires. Reviews last updated 11 July 2025.
See what other customers who have flown with Delta, KLM, andSWISS from Ireland to Buenos Aires have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,951 reviews
Check prices

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Maxine,Apr 2024

BWI - ATL

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!
Delta
8.0
Very Good
7,951 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Maxine,Apr 2024

BWI - ATL

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!
KLM
7.8
Good
1,372 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Maxine,Apr 2024

BWI - ATL

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!
SWISS
7.5
Good
1,655 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Maxine,Apr 2024

BWI - ATL

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!
United Airlines
7.4
Good
8,848 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Maxine,Apr 2024

BWI - ATL

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!
Air Canada
7.1
Good
9,695 reviews
Delta
8.0
Very Good
7,951 reviews
Check prices

Entertainment

7.9

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Maxine,Apr 2024

BWI - ATL

I love the seamless way that delta ensures that my luggage is on board the plane, I get a notification that it's on board. I love boarding process, orderly and on time. Lots of room in Comfort plus and getting upgraded to first class was everything!

Related info for your journey

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

  • What are the cheapest airlines to fly from Ireland to Buenos Aires one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as £343. Users have also found prices from £921 and £1,166 on British Airways and KLM, respectively.

  • Can I find deals for flights from Ireland to Buenos Aires that include hotel bookings?

    Yes. In addition to deals on Ireland to Buenos Aires flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ireland to Buenos Aires?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Buenos Aires.

  • Can I find deals for business class flights from Ireland to Buenos Aires?

    Yes. Cheapflights offers flight deals from Ireland to Buenos Aires 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 Ireland to Buenos Aires?

    Currently, May is the cheapest month in which you can book a flight from Ireland to Buenos Aires (average of £1,012). Flying from Ireland to Buenos Aires in December is currently the most expensive (average of £1,250). 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 Ireland to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.
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Heathrow to San Carlos de Bariloche flights
Gatwick to San Carlos de Bariloche flights
Heathrow to Cordoba flights
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London City to Mendoza flights
Newcastle upon Tyne to Ministro Pistarini flights
Amsterdam to Ministro Pistarini flights
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Barcelona-El Prat to Ministro Pistarini flights
Heathrow to Rosario flights
London City to Cordoba flights
Charles de Gaulle to Ministro Pistarini flights
Stansted to Mendoza flights
Berlin to Ministro Pistarini flights
Heathrow to Salta flights
Gatwick to Rosario flights

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