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Cheap flights from Ireland to Buenos Aires from £348

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 22/11. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — BUE
5 Dec — 12 Dec1
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 5 November 2025.

Round-trip from

£861

One-way from

£348

Popular in

December

Cheapest in

February

Average price

£906
Air Canada
  • Air Canada
  • 15/3-11/4
  • 4 total stops
  • 69h 50m total
  • Ireland to Buenos Aires
Search Deals
United Airlines
  • United Airlines
  • 22/11
  • 2 total stops
  • 46h 15m total
  • Ireland to Buenos Aires
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£14 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£20 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 5 November 2025.

Mon 1/1209:45DUB - EZE
1 stop26h 15mDelta
Mon 8/1222:25EZE - DUB
1 stop31h 20mDelta
Deal found 3/11£892
Sat 6/1210:45DUB - EZE
1 stop26h 30mDelta
Tue 13/122:25EZE - DUB
2 stops38h 55mDelta
Deal found 4/11£925
Thu 20/1113:25DUB - EZE
2 stops23h 50mDelta
Mon 24/1120:55EZE - DUB
2 stops33h 25mDelta
Deal found 2/11£926
Thu 20/1113:25DUB - EZE
1 stop20h 50mMultiple Airlines
Mon 24/1122:40EZE - DUB
1 stop21h 15mMultiple Airlines
Deal found 4/11£931
Mon 1/1212:05DUB - EZE
2 stops46h 15mUnited Airlines
Mon 8/1222:05EZE - DUB
2 stops30h 25mUnited Airlines
Deal found 3/11£932
Thu 20/1108:50DUB - EZE
2 stops28h 25mDelta
Sun 31/520:10EZE - DUB
2 stops33h 05mDelta
Deal found 4/11£960
Tue 16/1209:45DUB - EZE
2 stops50h 15mDelta
Tue 13/120:55EZE - DUB
2 stops32h 50mDelta
Deal found 4/11£989
Thu 20/1117:15DUB - EZE
1 stop17h 00mKLM
Mon 24/1122:40EZE - DUB
2 stops20h 30mKLM
Deal found 3/11£990
Sat 6/1210:45DUB - EZE
1 stop26h 30mDelta
Mon 12/120:55EZE - DUB
2 stops36h 45mDelta
Deal found 4/11£1,010
Wed 12/1111:30DUB - EZE
2 stops24h 30mDelta
Tue 25/1122:25EZE - DUB
2 stops30h 40mDelta
Deal found 4/11£1,030
Thu 20/1115:55DUB - AEP
2 stops22h 50mBritish Airways
Sun 31/510:35AEP - DUB
2 stops20h 40mBritish Airways
Deal found 3/11£1,170
Fri 19/1208:05DUB - AEP
2 stops31h 35mMultiple Airlines
Fri 26/1209:50AEP - DUB
3 stops31h 15mMultiple Airlines
Deal found 3/11£1,600

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 5 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

Fri 30/1

10:45-10:15

1 stop26h 30m

Buenos Aires Ministro Pistarini

Sun 15/2

22:25-08:05

2 stops30h 40m

£881

DublinBuenos Aires

DUB - AEP

DUBAEP

Dublin

Wed 18/3

16:50-02:20

2 stops36h 30m

Buenos Aires Jorge Newbery

Tue 7/4

18:05-09:35

2 stops35h 30m

£891

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Sun 15/3

10:45-10:15

1 stop26h 30m

Buenos Aires Ministro Pistarini

Mon 6/4

20:10-08:20

2 stops56h 10m

£896

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Thu 26/3

10:45-10:15

1 stop26h 30m

Buenos Aires Ministro Pistarini

Mon 13/4

20:10-16:40

2 stops40h 30m

£896

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Sun 22/3

10:45-10:15

1 stop26h 30m

Buenos Aires Ministro Pistarini

Mon 13/4

20:10-16:40

2 stops40h 30m

£896

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Wed 25/3

11:30-07:20

2 stops22h 50m

Buenos Aires Ministro Pistarini

Mon 13/4

20:10-16:40

2 stops40h 30m

£896

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Tue 24/3

10:45-10:15

1 stop26h 30m

Buenos Aires Ministro Pistarini

Mon 13/4

20:10-08:20

2 stops56h 10m

£896

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Thu 26/3

10:45-10:15

1 stop26h 30m

Buenos Aires Ministro Pistarini

Fri 17/4

20:10-08:20

2 stops56h 10m

£896

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Thu 12/3

10:45-10:15

1 stop26h 30m

Buenos Aires Ministro Pistarini

Sat 28/3

22:25-09:15

1 stop30h 50m

£901

DublinBuenos Aires

DUB - AEP

DUBAEP

Dublin

Wed 11/3

08:00-17:20

2 stops36h 20m

Buenos Aires Jorge Newbery

Thu 26/3

13:40-06:10

2 stops37h 30m

£903

Flights are sorted by cheapest return flights first.

Deals found on 4/11

Showing 1-10 of 35 results
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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 5 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
1,405 reviews
Check prices

Crew

8.4

Overall

7.7

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Food

7.3

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
1,405 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Crew

8.4

Overall

7.7

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Food

7.3

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
7,495 reviews
KLM
7.7
Good
1,405 reviews
Check prices

Crew

8.4

Overall

7.7

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Food

7.3

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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