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Cheap flights from Ireland to Buenos Aires 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — BUE
27 Dec — 3 Jan1
1 adult
1 adult, Economy, 0 bags

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 27 November 2025.

Round-trip from

£894

One-way from

£345

Popular in

December

Cheapest in

March

Average price

£885
Delta
  • Delta
  • 26/2-1/3
  • 2 total stops
  • 58h 05m total
  • Ireland to Buenos Aires
Search Deals
United Airlines
  • United Airlines
  • 9/12
  • 2 total stops
  • 47h 40m total
  • Ireland to Buenos Aires
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£15 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£25 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Ireland to Buenos Aires

Enter your travel dates to find the best prices.

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 27 November 2025.

Fri 5/1209:45DUB - EZE
1 stop24h 35mDelta
Mon 29/1223:55EZE - DUB
2 stops33h 45mDelta
Deal found 25/11£932
Thu 4/1206:00DUB - EZE
2 stops30h 00mDelta
Mon 29/1223:55EZE - DUB
2 stops29h 10mDelta
Deal found 25/11£955
Sun 7/1205:55DUB - EZE
2 stops28h 25mDelta
Mon 29/1223:55EZE - DUB
2 stops33h 45mDelta
Deal found 25/11£957
Fri 5/1209:45DUB - EZE
1 stop24h 35mDelta
Tue 30/1222:15EZE - DUB
1 stop31h 30mDelta
Deal found 25/11£958
Thu 4/1206:00DUB - EZE
2 stops31h 15mDelta
Tue 30/1222:15EZE - DUB
1 stop31h 30mDelta
Deal found 25/11£972
Sat 6/1210:45DUB - EZE
1 stop26h 30mDelta
Mon 29/1223:55EZE - DUB
2 stops29h 10mDelta
Deal found 25/11£976
Sun 7/1205:55DUB - EZE
2 stops30h 05mDelta
Tue 30/1222:15EZE - DUB
1 stop31h 30mDelta
Deal found 25/11£982
Sat 6/1210:45DUB - EZE
1 stop26h 30mDelta
Tue 30/1222:15EZE - DUB
1 stop31h 30mDelta
Deal found 25/11£1,001
Fri 5/1211:30DUB - EZE
2 stops25h 45mDelta
Wed 31/1223:55EZE - DUB
2 stops29h 10mDelta
Deal found 25/11£1,230
Thu 4/1208:45DUB - EZE
2 stops27h 15mDelta
Wed 31/1223:55EZE - DUB
2 stops29h 10mDelta
Deal found 25/11£1,254
Mon 22/1206:50DUB - AEP
3 stops31h 55mMultiple Airlines
Sun 4/108:50AEP - DUB
3 stops31h 00mMultiple Airlines
Deal found 25/11£2,008
Mon 22/1208:35DUB - AEP
3 stops30h 10mMultiple Airlines
Sat 3/108:50AEP - DUB
3 stops34h 35mMultiple Airlines
Deal found 24/11£2,104

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 27 November 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

Tue 9/12

10:45-09:00

2 stops25h 15m

Buenos Aires Ministro Pistarini

Mon 29/12

23:55-12:40

2 stops33h 45m

£932

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Mon 8/12

10:45-10:15

1 stop26h 30m

Buenos Aires Ministro Pistarini

Mon 29/12

23:55-08:05

2 stops29h 10m

£932

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Fri 9/1

10:45-09:00

2 stops25h 15m

Buenos Aires Ministro Pistarini

Fri 16/1

23:55-16:20

2 stops37h 25m

£967

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Sat 6/12

10:45-10:15

1 stop26h 30m

Buenos Aires Ministro Pistarini

Mon 29/12

23:55-08:05

2 stops29h 10m

£976

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Thu 8/1

10:45-10:15

1 stop26h 30m

Buenos Aires Ministro Pistarini

Fri 30/1

22:25-08:45

1 stop31h 20m

£979

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Sat 6/12

10:45-10:15

1 stop26h 30m

Buenos Aires Ministro Pistarini

Tue 30/12

22:15-08:45

1 stop31h 30m

£1,001

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Thu 21/5

11:10-05:50

1 stop22h 40m

Buenos Aires Ministro Pistarini

Mon 25/5

15:00-12:40

1 stop17h 40m

£1,019

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Thu 21/5

13:15-09:45

2 stops24h 30m

Buenos Aires Ministro Pistarini

Mon 25/5

20:10-08:45

1 stop32h 35m

£1,022

DublinBuenos Aires

DUB - AEP

DUBAEP

Dublin

Thu 21/5

18:40-09:40

2 stops19h 00m

Buenos Aires Jorge Newbery

Mon 25/5

14:55-17:50

2 stops22h 55m

£1,264

DublinBuenos Aires

DUB - AEP

DUBAEP

Dublin

Fri 9/1

04:25-10:30

3 stops33h 05m

Buenos Aires Jorge Newbery

Sat 17/1

14:55-20:15

2 stops26h 20m

£1,373

Flights are sorted by cheapest return flights first.

Deals found on 25/11

Showing 1-10 of 19 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
No data available for this route at this time. Please check back soon.

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 27 November 2025.
See what other customers who have flown with KLM and British Airways 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.
KLM
7.7
Good
1,423 reviews
Check prices

Comfort

7.6

Crew

8.4

Overall

7.7

Entertainment

7.1

Food

7.2

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,423 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Comfort

7.6

Crew

8.4

Overall

7.7

Entertainment

7.1

Food

7.2

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,539 reviews
KLM
7.7
Good
1,423 reviews
Check prices

Comfort

7.6

Crew

8.4

Overall

7.7

Entertainment

7.1

Food

7.2

Boarding

7.8

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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.

  • How long is the flight from Ireland to Buenos Aires?

    There are many flights that can get you from Ireland to Buenos Aires in 19h. Fly via Delta or SWISS to get the fastest option. Ireland and Buenos Aires are separated by a distance of 6828 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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.

See more FAQs

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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.
Heathrow to Ministro Pistarini flights
Heathrow to Jorge Newbery flights
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London City to Mendoza flights
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Stansted to Mendoza flights

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