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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 1/3. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — BUE
27 Feb — 6 Mar1
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 28 January 2026.

Sat 23/508:50
DUB
-
EZE
1 stop25h 35m
Lufthansa
Sat 6/616:35
EZE
-
DUB
1 stop20h 15m
Lufthansa
Deal found 27/1£696
Mon 25/517:35
DUB
-
EZE
1 stop16h 50m
Lufthansa
Mon 8/616:35
EZE
-
DUB
2 stops20h 20m
Lufthansa
Deal found 27/1£713
Sat 21/212:05
DUB
-
EZE
2 stops48h 15m
United Airlines
Fri 6/322:05
EZE
-
DUB
2 stops55h 05m
United Airlines
Deal found 27/1£716
Mon 25/515:55
DUB
-
EZE
2 stops22h 50m
British Airways
Thu 4/612:25
EZE
-
DUB
2 stops39h 15m
British Airways
Deal found 27/1£719
Wed 27/515:15
DUB
-
EZE
1 stop19h 30m
Multiple Airlines
Thu 4/613:25
EZE
-
DUB
1 stop24h 45m
Multiple Airlines
Deal found 27/1£740
Sun 24/508:50
DUB
-
EZE
1 stop25h 35m
Lufthansa
Mon 8/616:35
EZE
-
DUB
1 stop25h 40m
Lufthansa
Deal found 27/1£743
Mon 9/210:45
DUB
-
EZE
1 stop26h 30m
Delta
Tue 24/220:55
EZE
-
DUB
1 stop31h 50m
Delta
Deal found 26/1£750
Tue 24/211:30
DUB
-
EZE
2 stops24h 30m
Delta
Tue 10/322:25
EZE
-
DUB
2 stops31h 55m
Delta
Deal found 27/1£751
Tue 25/811:00
DUB
-
EZE
1 stop26h 45m
Delta
Mon 14/920:10
EZE
-
DUB
2 stops58h 35m
Delta
Deal found 27/1£754
Tue 25/811:00
DUB
-
EZE
1 stop26h 45m
Delta
Tue 15/920:10
EZE
-
DUB
1 stop32h 35m
Delta
Deal found 27/1£754
Sat 21/212:05
DUB
-
EZE
2 stops48h 15m
United Airlines
Mon 9/322:55
EZE
-
DUB
2 stops32h 25m
United Airlines
Deal found 27/1£759
Sun 1/1116:30
DUB
-
AEP
2 stops38h 35m
Multiple Airlines
Mon 30/1113:35
AEP
-
DUB
2 stops41h 05m
Multiple Airlines
Deal found 26/1£762

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 28 January 2026.

Round-trip from

£696

One-way from

£340

Popular in

December

Cheapest in

March

Average price

£847
Lufthansa
  • Lufthansa
  • 23/5-8/6
  • 2 total stops
  • 47h 45m total
  • Ireland to Buenos Aires
Search Deals
United Airlines
  • United Airlines
  • 1/3
  • 2 total stops
  • 48h 15m total
  • Ireland to Buenos Aires
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£16 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£23 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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 28 January 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 - EZE

DUBEZE

Dublin

Mon 25/5

12:25-06:25

1 stop22h 00m

Buenos Aires Ministro Pistarini

Sat 6/6

16:35-22:15

1 stop25h 40m

£696

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Mon 25/5

08:45-06:25

1 stop25h 40m

Buenos Aires Ministro Pistarini

Sun 7/6

16:35-16:50

1 stop20h 15m

£696

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Sat 23/5

12:20-06:25

1 stop22h 05m

Buenos Aires Ministro Pistarini

Mon 8/6

16:35-22:15

1 stop25h 40m

£696

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Mon 25/5

17:35-06:25

1 stop16h 50m

Buenos Aires Ministro Pistarini

Mon 8/6

16:35-16:55

2 stops20h 20m

£713

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Mon 25/5

12:30-10:45

2 stops26h 15m

Buenos Aires Ministro Pistarini

Wed 10/6

12:25-13:00

2 stops20h 35m

£719

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Tue 26/5

11:10-10:45

2 stops27h 35m

Buenos Aires Ministro Pistarini

Tue 9/6

12:25-14:35

2 stops22h 10m

£719

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Tue 26/5

06:30-10:45

2 stops32h 15m

Buenos Aires Ministro Pistarini

Wed 10/6

12:25-19:30

2 stops27h 05m

£719

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Tue 26/5

06:30-10:45

2 stops32h 15m

Buenos Aires Ministro Pistarini

Thu 4/6

12:25-07:40

2 stops39h 15m

£719

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Tue 26/5

07:30-10:45

2 stops31h 15m

Buenos Aires Ministro Pistarini

Sun 7/6

12:25-14:30

2 stops22h 05m

£719

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Tue 26/5

06:30-10:45

2 stops32h 15m

Buenos Aires Ministro Pistarini

Fri 5/6

12:25-19:25

2 stops27h 00m

£719

Flights are sorted by cheapest return flights first.

Deals found on 26/1

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 28 January 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
1,443 reviews
Check prices

Comfort

7.6

Boarding

7.8

Food

7.3

Entertainment

7.1

Crew

8.4

Overall

7.7

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
1,443 reviews
KLM
7.7
Good
1,443 reviews
Check prices

Comfort

7.6

Boarding

7.8

Food

7.3

Entertainment

7.1

Crew

8.4

Overall

7.7

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
7,702 reviews
KLM
7.7
Good
1,443 reviews
Check prices

Comfort

7.6

Boarding

7.8

Food

7.3

Entertainment

7.1

Crew

8.4

Overall

7.7

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 22h 05m. Fly via Lufthansa, United Airlines, or British Airways 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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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?

Cheapflights helps you find that perfect flight to Buenos Aires from Ireland by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ireland to Buenos Aires with no change fees?

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

Can Cheapflights notify me if prices for flights from Ireland to Buenos Aires become cheaper?

Not ready to book yet? You can track prices for flights from Ireland to Buenos Aires on Cheapflights with our Price Alert feature and get notified when better prices are available.

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