Cheap flights from Ireland to Buenos Aires from €495
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Buenos Aires departing on 8/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Ireland to Buenos Aires
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Buenos Aires?
In general, February is the cheapest month to fly from Ireland to Buenos Aires. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around €1,006. If you aren’t able to travel to Buenos Aires during the month of February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of €1,048.
What is the cheapest day to depart on your flight to Buenos Aires?
According to our data, Monday is the cheapest day to fly to Buenos Aires from Ireland. The lowest ticket price found for a Monday departure recently was €1,001. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to Buenos Aires is Friday, with ticket prices averaging around €1,230.
What is the cheapest airline that flies from Ireland to Buenos Aires?
United Airlines, Iberia, and Air Canada are the most popular carriers operating from Ireland to Buenos Aires
Which airlines fly to Buenos Aires?
British Airways, KLM and Iberia are the top three most popular airlines that fly to Buenos Aires from Ireland according to our data. British Airways is the first choice among our users, with 33% of people opting to fly with this airline when travelling to Buenos Aires. Keep in mind that there are 4 different airlines that fly to Buenos Aires on a routine basis, so you have a few additional options to choose from.
Cheap Ireland to Buenos Aires flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Ireland to Buenos Aires
When did momondo last update prices for flights from Ireland to Buenos Aires?
Prices for flights from Ireland to Buenos Aires are refreshed on a daily basis.
How many operators does momondo search for flights from Ireland to Buenos Aires?
As of June 2025, there are 4 operators available to choose from for flights from Ireland to Buenos Aires.
How old do you have to be to fly from Ireland to Buenos Aires?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ireland to Buenos Aires.
What documentation or ID do you need to fly to Buenos Aires?
The travel and health documents you'll need for your trip to Buenos Aires may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Buenos Aires. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Ireland to Buenos Aires
Compare and see reviews for airlines that fly from Ireland to Buenos Aires with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom €730 | Free Cancellation | Rating 6.6 7,016 reviews | |||
| PriceFrom €821 | Free Cancellation | Rating 7.8 1,361 reviews | |||
| PriceFrom €998 | Free Cancellation | Rating 7.5 1,465 reviews | |||
| PriceFrom €1,043 | Free Cancellation | Rating 7.0 2,778 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Ireland to Buenos Aires?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ireland to Buenos Aires . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Ireland to Buenos Aires with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Buenos Aires from Ireland with this policy.
How can momondo help me find flights from Ireland to Buenos Aires?
momondo provides multiple filters to help you find the best flight to Buenos Aires from Ireland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Ireland to Buenos Aires right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Ireland to Buenos Aires now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Buenos Aires and let you know when they change.