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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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — BUE
15 2월 — 22 2월1
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 16 1월 2026.

Round-trip from

£736

One-way from

£343

Popular in

December

Cheapest in

March

Average price

£867
KLM
  • KLM
  • 13/4-25/4
  • 2 total stops
  • 47h 45m total
  • Ireland to Buenos Aires
Search Deals
United Airlines
  • United Airlines
  • 2/3
  • 2 total stops
  • 46h 15m total
  • Ireland to Buenos Aires
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£8 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 January 2026
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 16 1월 2026.

수 28/1016:50
DUB
-
EZE
2 stops32h 35m
Turkish Airlines
화 17/1123:55
EZE
-
DUB
2 stops30h 45m
Turkish Airlines
Deal found 14/1£675
목 22/110:40
DUB
-
EZE
2 stops47h 40m
United Airlines
수 4/222:05
EZE
-
DUB
2 stops30h 25m
United Airlines
Deal found 15/1£678
화 8/912:50
DUB
-
EZE
2 stops25h 55m
British Airways
목 17/912:25
EZE
-
DUB
2 stops22h 05m
British Airways
Deal found 14/1£682
수 28/1016:50
DUB
-
AEP
2 stops38h 15m
Multiple Airlines
화 17/1118:05
AEP
-
DUB
2 stops36h 35m
Multiple Airlines
Deal found 14/1£723
월 13/413:25
DUB
-
EZE
1 stop20h 25m
KLM
토 25/415:05
EZE
-
DUB
1 stop27h 20m
KLM
Deal found 15/1£736
월 4/517:05
DUB
-
AEP
2 stops39h 35m
Multiple Airlines
화 12/518:20
AEP
-
DUB
2 stops35h 15m
Multiple Airlines
Deal found 14/1£747
일 22/209:45
DUB
-
EZE
1 stop26h 15m
Delta
월 9/323:55
EZE
-
DUB
1 stop28h 50m
Delta
Deal found 15/1£756
토 28/209:45
DUB
-
EZE
1 stop26h 15m
Delta
토 7/323:55
EZE
-
DUB
2 stops28h 50m
Delta
Deal found 14/1£757
화 7/410:00
DUB
-
EZE
2 stops27h 45m
Delta
일 26/420:10
EZE
-
DUB
2 stops33h 05m
Delta
Deal found 15/1£759
일 27/917:05
DUB
-
AEP
2 stops39h 00m
Multiple Airlines
일 11/1018:20
AEP
-
DUB
2 stops35h 15m
Multiple Airlines
Deal found 13/1£759
금 6/213:25
DUB
-
EZE
2 stops23h 50m
Delta
월 23/220:55
EZE
-
DUB
2 stops33h 25m
Delta
Deal found 15/1£771
수 28/1010:45
DUB
-
EZE
1 stop26h 30m
Delta
화 17/1122:15
EZE
-
DUB
2 stops35h 25m
Delta
Deal found 15/1£779

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 16 1월 2026.
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 - AEP

DUBAEP

Dublin

월 4/5

17:05-04:40

2 stops39h 35m

Buenos Aires Jorge Newbery

화 12/5

18:20-09:35

2 stops35h 15m

£747

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

일 22/2

09:45-09:00

2 stops26h 15m

Buenos Aires Ministro Pistarini

월 9/3

23:55-08:45

2 stops29h 50m

£756

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

토 28/2

09:45-07:20

1 stop24h 35m

Buenos Aires Ministro Pistarini

토 7/3

23:55-07:45

2 stops28h 50m

£757

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

일 22/2

09:45-09:00

1 stop26h 15m

Buenos Aires Ministro Pistarini

토 7/3

23:55-07:45

2 stops28h 50m

£757

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

월 9/3

09:45-09:00

1 stop26h 15m

Buenos Aires Ministro Pistarini

화 24/3

20:55-08:45

2 stops32h 50m

£757

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

수 11/3

10:45-09:00

2 stops25h 15m

Buenos Aires Ministro Pistarini

목 26/3

22:25-09:20

2 stops31h 55m

£757

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

화 7/4

11:00-09:45

1 stop26h 45m

Buenos Aires Ministro Pistarini

일 26/4

20:10-09:15

2 stops33h 05m

£759

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

토 11/4

15:00-09:45

2 stops46h 45m

Buenos Aires Ministro Pistarini

일 26/4

20:10-09:15

2 stops33h 05m

£760

DublinBuenos Aires

DUB - AEP

DUBAEP

Dublin

토 28/3

10:40-17:20

2 stops33h 40m

Buenos Aires Jorge Newbery

화 7/4

18:20-09:35

2 stops35h 15m

£810

DublinBuenos Aires

DUB - AEP

DUBAEP

Dublin

수 11/2

16:30-04:40

2 stops39h 10m

Buenos Aires Jorge Newbery

수 18/2

20:00-09:40

2 stops34h 40m

£875

Flights are sorted by cheapest return flights first.

Deals found on 14/1

Showing 1-10 of 36 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 16 1월 2026.
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
1,440 reviews
Check prices

Overall

7.7

Food

7.2

Comfort

7.6

Crew

8.4

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,440 reviews
KLM
7.7
Good
1,440 reviews
Check prices

Overall

7.7

Food

7.2

Comfort

7.6

Crew

8.4

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
British Airways
6.7
Okay
7,680 reviews
KLM
7.7
Good
1,440 reviews
Check prices

Overall

7.7

Food

7.2

Comfort

7.6

Crew

8.4

Boarding

7.8

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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 30m. Fly via Delta or British Airways 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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Fly with Cheapflights

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How does Cheapflights help users find flights from Ireland to Buenos Aires?

When you search for this flight from Ireland to Buenos Aires, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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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