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Cheap flights from Ireland to Buenos Aires from £386

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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — BUE
1 Sep — 8 Sep1
1 adult

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 27 August 2025.

Round-trip from

£677

One-way from

£386

Popular in

August

Cheapest in

November

Average price

£1,202
United Airlines
  • United Airlines
  • 6/9-20/9
  • 4 total stops
  • 78h 35m total
  • Ireland to Buenos Aires
Search Deals
United Airlines
  • United Airlines
  • 8/12
  • 2 total stops
  • 48h 15m total
  • Ireland to Buenos Aires
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£68 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from Ireland to Buenos Aires

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 27 August 2025.

Sat 6/911:35DUB - EZE
2 stops48h 25mUnited Airlines
Sat 20/921:00EZE - DUB
2 stops30h 10mUnited Airlines
Deal found 27/8£677
Thu 30/1012:05DUB - EZE
2 stops45h 15mUnited Airlines
Fri 5/1223:55EZE - DUB
2 stops31h 25mUnited Airlines
Deal found 26/8£721
Wed 29/1012:05DUB - EZE
2 stops47h 15mUnited Airlines
Tue 11/1123:55EZE - DUB
2 stops28h 35mUnited Airlines
Deal found 25/8£722
Tue 2/911:10DUB - EZE
1 stop22h 05mKLM
Fri 19/914:40EZE - DUB
1 stop15h 45mKLM
Deal found 26/8£732
Wed 29/1011:30DUB - EZE
2 stops25h 45mDelta
Tue 11/1120:55EZE - DUB
2 stops32h 50mDelta
Deal found 26/8£753
Thu 28/811:00DUB - EZE
1 stop26h 45mDelta
Thu 11/920:10EZE - DUB
1 stop32h 35mDelta
Deal found 26/8£757
Tue 26/813:15DUB - EZE
2 stops24h 30mDelta
Thu 2/1020:10EZE - DUB
2 stops33h 05mDelta
Deal found 25/8£761
Thu 30/1010:45DUB - EZE
1 stop26h 30mDelta
Tue 18/1122:25EZE - DUB
2 stops30h 20mDelta
Deal found 26/8£763
Sat 4/1008:50DUB - EZE
2 stops51h 10mUnited Airlines
Mon 13/1021:00EZE - DUB
2 stops54h 10mUnited Airlines
Deal found 26/8£765
Sun 7/917:00DUB - AEP
2 stops39h 05mMultiple Airlines
Tue 23/909:00AEP - DUB
2 stops26h 30mMultiple Airlines
Deal found 24/8£931
Fri 10/1006:40DUB - AEP
3 stops31h 20mMultiple Airlines
Fri 17/1010:55AEP - DUB
3 stops34h 15mMultiple Airlines
Deal found 26/8£1,036
Thu 30/1010:40DUB - AEP
2 stops44h 25mMultiple Airlines
Tue 18/1109:00AEP - DUB
2 stops34h 10mMultiple Airlines
Deal found 26/8£1,052

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 27 August 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

Sat 6/9

11:35-08:00

2 stops48h 25m

Buenos Aires Ministro Pistarini

Sat 20/9

21:00-07:10

2 stops30h 10m

£677

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Thu 30/10

12:05-06:20

2 stops45h 15m

Buenos Aires Ministro Pistarini

Fri 5/12

23:55-10:20

2 stops31h 25m

£721

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Thu 6/11

12:05-07:20

2 stops46h 15m

Buenos Aires Ministro Pistarini

Thu 20/11

23:55-10:20

2 stops55h 25m

£722

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Wed 29/10

12:05-08:20

2 stops47h 15m

Buenos Aires Ministro Pistarini

Tue 11/11

23:55-07:30

2 stops28h 35m

£722

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Wed 29/10

10:45-10:15

1 stop26h 30m

Buenos Aires Ministro Pistarini

Tue 11/11

20:55-08:45

2 stops32h 50m

£753

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

£753

DublinBuenos Aires

DUB - EZE

DUBEZE

Dublin

Thu 25/9

11:00-09:45

1 stop26h 45m

Buenos Aires Ministro Pistarini

Thu 9/10

20:10-07:55

2 stops31h 45m

£757

DublinBuenos Aires

DUB - AEP

DUBAEP

Dublin

Sun 7/9

17:00-04:05

2 stops39h 05m

Buenos Aires Jorge Newbery

Tue 23/9

09:00-15:30

2 stops26h 30m

£931

DublinBuenos Aires

DUB - AEP

DUBAEP

Dublin

Fri 10/10

06:40-10:00

3 stops31h 20m

Buenos Aires Jorge Newbery

Fri 17/10

10:55-15:40

2 stops24h 45m

£1,036

DublinBuenos Aires

DUB - AEP

DUBAEP

Dublin

Thu 30/10

10:40-04:05

2 stops44h 25m

Buenos Aires Jorge Newbery

Tue 18/11

09:00-22:10

2 stops34h 10m

£1,052

Flights are sorted by cheapest return flights first.

Deals found on 25/8

Showing 1-10 of 24 results
1
2
3

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 27 August 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
7.8
Good
1,384 reviews
Check prices

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.8

Comfort

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,384 reviews
KLM
7.8
Good
1,384 reviews
Check prices

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.8

Comfort

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
British Airways
6.7
Okay
7,310 reviews
KLM
7.8
Good
1,384 reviews
Check prices

Crew

8.4

Boarding

7.8

Food

7.3

Overall

7.8

Comfort

7.7

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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 48h 25m. Fly via United Airlines to get the fastest option. Ireland and Buenos Aires are separated by a distance of 6847 mi.

  • What are the cheapest airlines to fly from Ireland to Buenos Aires one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as £386. Users have also found prices from £498 and £640 on Turkish Airlines and British Airways, respectively.

  • 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.

  • What is the cheapest month to book a flight from Ireland to Buenos Aires?

    Currently, May is the cheapest month in which you can book a flight from Ireland to Buenos Aires (average of £1,012). Flying from Ireland to Buenos Aires in December is currently the most expensive (average of £1,250). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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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