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Cheap flights from Ireland to Buenos Aires from £473

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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — BUE
3 Jan — 10 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap 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 4 December 2025.

Wed 3/1209:45DUB - EZE
1 stop24h 35mDelta
Sat 28/222:25EZE - DUB
2 stops35h 15mDelta
Deal found 2/12£873
Fri 12/1211:30DUB - EZE
2 stops22h 50mDelta
Fri 23/122:25EZE - DUB
2 stops30h 25mDelta
Deal found 2/12£1,406
Fri 19/1205:55DUB - EZE
2 stops31h 20mDelta
Wed 4/220:55EZE - DUB
2 stops32h 50mDelta
Deal found 2/12£1,497
Sun 7/1209:45DUB - EZE
1 stop24h 35mDelta
Thu 1/123:55EZE - DUB
2 stops37h 25mDelta
Deal found 1/12£1,552
Sun 7/1213:25DUB - EZE
1 stop20h 50mKLM
Thu 1/116:25EZE - DUB
1 stop36h 40mKLM
Deal found 1/12£1,607
Mon 22/1219:15DUB - EZE
2 stops32h 50mMultiple Airlines
Sat 3/114:48EZE - DUB
2 stops24h 27mMultiple Airlines
Deal found 3/12£1,725
Mon 22/1209:45DUB - EZE
1 stop24h 35mDelta
Thu 8/123:55EZE - DUB
2 stops29h 10mDelta
Deal found 2/12£1,865
Mon 22/1216:15DUB - AEP
2 stops27h 45mMultiple Airlines
Sat 3/118:20AEP - DUB
3 stops34h 45mMultiple Airlines
Deal found 3/12£2,282
Thu 18/1213:10DUB - AEP
2 stops27h 50mMultiple Airlines
Thu 1/118:20AEP - DUB
2 stops22h 30mMultiple Airlines
Deal found 3/12£2,586
Fri 19/1215:25DUB - AEP
2 stops37h 55mMultiple Airlines
Wed 4/209:00AEP - DUB
2 stops27h 30mMultiple Airlines
Deal found 3/12£2,689
Fri 19/1205:55DUB - AEP
2 stops21h 45mKLM
Wed 4/209:00AEP - DUB
2 stops20h 05mKLM
Deal found 2/12£4,759
Sat 13/1205:55DUB - AEP
2 stops22h 45mKLM
Sun 21/1209:00AEP - DUB
2 stops20h 05mKLM
Deal found 3/12£11,205

Find 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 4 December 2025.

Round-trip from

£872

One-way from

£473

Popular in

December

Cheapest in

March

Average price

£1,366
Delta
  • Delta
  • 10/2-28/2
  • 4 total stops
  • 60h 30m total
  • Ireland to Buenos Aires
Search Deals
4/3
  • 4/3
  • 2 total stops
  • 38h 15m total
  • Ireland to Buenos Aires
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£13 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£24 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 4 December 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 10/2

10:45-09:00

2 stops25h 15m

Buenos Aires Ministro Pistarini

Sat 28/2

22:25-12:40

2 stops35h 15m

£872

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Mon 16/3

10:45-10:15

1 stop26h 30m

Buenos Aires Ministro Pistarini

Thu 9/4

20:10-16:40

2 stops40h 30m

£886

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Fri 20/3

10:45-09:00

2 stops25h 15m

Buenos Aires Ministro Pistarini

Thu 9/4

20:10-16:40

2 stops40h 30m

£886

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Thu 19/3

11:30-07:20

2 stops46h 50m

Buenos Aires Ministro Pistarini

Thu 9/4

20:10-16:40

2 stops40h 30m

£886

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Tue 17/3

11:30-10:15

2 stops25h 45m

Buenos Aires Ministro Pistarini

Thu 9/4

20:10-16:40

2 stops40h 30m

£886

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Tue 17/3

13:25-11:45

2 stops25h 20m

Buenos Aires Ministro Pistarini

Tue 7/4

13:00-13:25

2 stops20h 25m

£896

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Fri 20/3

18:15-11:45

2 stops20h 30m

Buenos Aires Ministro Pistarini

Tue 7/4

13:00-13:25

2 stops20h 25m

£896

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Mon 16/3

13:00-11:45

2 stops25h 45m

Buenos Aires Ministro Pistarini

Wed 8/4

21:40-22:30

2 stops20h 50m

£896

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Thu 5/3

08:50-10:15

2 stops28h 25m

Buenos Aires Ministro Pistarini

Sat 21/3

23:55-08:05

2 stops29h 10m

£897

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Tue 17/3

13:25-11:45

2 stops25h 20m

Buenos Aires Ministro Pistarini

Mon 6/4

12:25-19:35

2 stops27h 10m

£919

Flights are sorted by cheapest return flights first.

Deals found on 2/12

Showing 1-10 of 22 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 4 December 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
1,428 reviews
Check prices

Overall

7.7

Comfort

7.6

Food

7.2

Entertainment

7.1

Boarding

7.8

Crew

8.4

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
1,428 reviews
KLM
7.7
Good
1,428 reviews
Check prices

Overall

7.7

Comfort

7.6

Food

7.2

Entertainment

7.1

Boarding

7.8

Crew

8.4

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
7,559 reviews
KLM
7.7
Good
1,428 reviews
Check prices

Overall

7.7

Comfort

7.6

Food

7.2

Entertainment

7.1

Boarding

7.8

Crew

8.4

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 25h 15m. Fly via Delta to get the fastest option. Ireland and Buenos Aires are separated by a distance of 6847 mi.

  • 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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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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