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Cheap flights from Ireland to Buenos Aires from £340

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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — BUE
16 Nov — 23 Nov1
1 adult
1 adult, Economy

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 17 October 2025.

Round-trip from

£789

One-way from

£340

Popular in

December

Cheapest in

February

Average price

£1,016
Delta
  • Delta
  • 17/11-2/12
  • 3 total stops
  • 55h 50m total
  • Ireland to Buenos Aires
Search Deals
United Airlines
  • United Airlines
  • 9/11
  • 2 total stops
  • 46h 15m total
  • Ireland to Buenos Aires
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£12 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£19 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 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 17 October 2025.

Mon 17/1111:30DUB - EZE
2 stops24h 30mDelta
Tue 2/1222:25EZE - DUB
1 stop31h 20mDelta
Deal found 16/10£789
Sun 28/1209:45DUB - EZE
1 stop26h 15mDelta
Wed 21/120:55EZE - DUB
2 stops32h 50mDelta
Deal found 15/10£794
Thu 30/1010:45DUB - EZE
1 stop26h 30mDelta
Tue 18/1122:25EZE - DUB
2 stops30h 20mDelta
Deal found 15/10£804
Wed 5/1110:45DUB - EZE
1 stop26h 30mDelta
Fri 21/1122:25EZE - DUB
2 stops30h 25mDelta
Deal found 15/10£809
Thu 30/1006:00DUB - EZE
2 stops30h 00mDelta
Fri 5/1222:25EZE - DUB
1 stop31h 20mDelta
Deal found 16/10£812
Sun 28/1209:45DUB - EZE
1 stop26h 15mDelta
Fri 23/120:55EZE - DUB
2 stops32h 10mDelta
Deal found 15/10£828
Tue 30/1210:45DUB - EZE
1 stop26h 30mDelta
Thu 22/120:55EZE - DUB
2 stops32h 50mDelta
Deal found 15/10£838
Wed 5/1110:45DUB - EZE
1 stop26h 30mDelta
Thu 20/1120:55EZE - DUB
2 stops32h 50mDelta
Deal found 16/10£841
Thu 6/1106:00DUB - EZE
2 stops31h 15mDelta
Fri 21/1122:25EZE - DUB
1 stop31h 20mDelta
Deal found 15/10£852
Thu 30/1009:40DUB - AEP
2 stops27h 00mLATAM Airlines
Tue 18/1112:40AEP - DUB
2 stops31h 05mLATAM Airlines
Deal found 15/10£1,217
Thu 30/1009:40DUB - AEP
2 stops31h 20mMultiple Airlines
Fri 5/1214:55AEP - DUB
2 stops29h 25mMultiple Airlines
Deal found 15/10£1,222
Thu 30/1015:55DUB - AEP
2 stops22h 50mMultiple Airlines
Tue 18/1118:20AEP - DUB
2 stops25h 25mMultiple Airlines
Deal found 16/10£1,267

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 17 October 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

Thu 30/10

10:45-10:15

1 stop26h 30m

Buenos Aires Ministro Pistarini

Fri 5/12

20:55-08:45

2 stops32h 50m

£794

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Mon 9/2

10:45-10:15

1 stop26h 30m

Buenos Aires Ministro Pistarini

Mon 2/3

23:55-07:45

1 stop28h 50m

£798

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Mon 9/2

10:45-10:15

1 stop26h 30m

Buenos Aires Ministro Pistarini

Tue 3/3

22:25-09:20

2 stops31h 55m

£798

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Mon 9/2

10:45-10:15

1 stop26h 30m

Buenos Aires Ministro Pistarini

Wed 25/2

20:55-07:45

1 stop31h 50m

£798

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Thu 30/10

10:45-10:15

1 stop26h 30m

Buenos Aires Ministro Pistarini

Tue 18/11

22:25-07:45

2 stops30h 20m

£804

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Thu 20/11

13:25-10:15

2 stops23h 50m

Buenos Aires Ministro Pistarini

Mon 24/11

22:25-08:45

1 stop31h 20m

£861

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Wed 31/12

10:45-10:15

1 stop26h 30m

Buenos Aires Ministro Pistarini

Wed 28/1

20:55-08:05

2 stops32h 10m

£870

DublinBuenos Aires

DUB - AEP

DUBAEP

Dublin

Sun 8/2

09:00-23:55

2 stops41h 55m

Buenos Aires Jorge Newbery

Sat 28/2

06:40-07:10

2 stops45h 30m

£879

DublinBuenos Aires

DUB - AEP

DUBAEP

Dublin

Sun 8/2

09:00-23:55

2 stops41h 55m

Buenos Aires Jorge Newbery

Fri 27/2

18:35-07:10

2 stops57h 35m

£897

DublinBuenos Aires

DUB - AEP

DUBAEP

Dublin

Wed 4/2

09:00-21:00

2 stops39h 00m

Buenos Aires Jorge Newbery

Thu 26/2

13:40-07:10

2 stops38h 30m

£1,021

Flights are sorted by cheapest return flights first.

Deals found on 15/10

Showing 1-10 of 29 results
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2
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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 17 October 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
1,404 reviews
Check prices

Entertainment

7.1

Food

7.3

Boarding

7.8

Crew

8.4

Comfort

7.6

Overall

7.7

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
1,404 reviews
KLM
7.7
Good
1,404 reviews
Check prices

Entertainment

7.1

Food

7.3

Boarding

7.8

Crew

8.4

Comfort

7.6

Overall

7.7

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
7,457 reviews
KLM
7.7
Good
1,404 reviews
Check prices

Entertainment

7.1

Food

7.3

Boarding

7.8

Crew

8.4

Comfort

7.6

Overall

7.7

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 26h 30m. Fly via Delta or Air Canada to get the fastest option. Ireland and Buenos Aires are separated by a distance of 6847 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.
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How does Cheapflights help users find flights from Ireland to Buenos Aires?

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Why should you use Cheapflights to find cheap flight tickets from Ireland to Buenos Aires?

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Ireland to Buenos Aires flexibly with Cheapflights today.

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