Question 1

Why should I use momondo to find a flight deal to Buenos Aires?

Accepted Answer

It is quick and easy to find flights to Buenos Aires on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Buenos Aires that suits you.

Question 2

Can I find flights to Buenos Aires with flexible booking policies on momondo?

Accepted Answer

Yes. momondo enables you to select and highlight flights to Buenos Aires with this policy.

Question 3

How can momondo help me find flights to Buenos Aires?

Accepted Answer

momondo provides multiple filters to help you find the best flight to Buenos Aires. Filter by price, airline, airport, cabin, aircraft, payment method, number of stops and more.

Question 4

I’m not ready to book a flight to Buenos Aires right now. Can momondo alert me if prices change?

Accepted Answer

Of course. momondo tracks the price of Buenos Aires flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

Question 5

How far in advance should I book a flight to Buenos Aires?

Accepted Answer

The ideal time to book your flight to Buenos Aires is 3 days in advance, when prices tend to average €1,173. Keep in mind that you might also find cheap flights to Buenos Aires outside of this time window. In fact, momondo users recently found flights from Ireland to Buenos Aires for €883.

Question 6

Is there an alternative airport near Buenos Aires?

Accepted Answer

Finding an alternative and possibly cheaper destination airport near Buenos Aires is possible. If you are planning a flight to Buenos Aires, consider booking flights to Buenos Aires Jorge Newbery Airport (7 km from Buenos Aires city centre).

Question 7

Is there a cheaper alternative to flying into Buenos Aires?

Accepted Answer

With an average price of €210 per person, Buenos Aires Jorge Newbery Airport is the cheapest airport to fly into when planning your trip to Buenos Aires. This price can fluctuate based on where you are flying from. momondo’s Airport-to-Airport Pricing Tool can help users find the best prices.

Question 8

Are there flights to Colegiales?

Accepted Answer

Yes, you can travel to Colegiales via a flight to Buenos Aires Jorge Newbery airport in Buenos Aires (Colegiales is 3.6 km from the airport).

Question 9

Which airlines fly to Buenos Aires?

Accepted Answer

When flying to Buenos Aires from Ireland, momondo travellers will most often fly with one of these popular airlines: British Airways, Delta, Air France or Iberia. Depending on what airport in Ireland you fly from, you may be able to find flights with any of these popular airlines.

Question 10

Delta Flights to Buenos Aires

Accepted Answer

Delta is a popular choice for users travelling to Buenos Aires. It operates 13 flights every week to Buenos Aires, most often flying from Miami. Delta ticket prices will depend on when and where you need to fly from - deals as low as €790 (from Dublin) have been found by momondo users. In 7,998 reviews, momondo users have rated Delta at an average score of 7.9/10.

Question 11

KLM Flights to Buenos Aires

Accepted Answer

KLM flight deals to Buenos Aires start from €1,207 - this is the best price found recently on momondo, and was a return journey departing from Dublin. Over any normal week, KLM flight prices are typically higher, but vary depending on where you fly from - Rio de Janeiro–Galeão Intl is the most popular KLM departure point to Buenos Aires so generally has the most availability. KLM is scored a 7.7/10 in 1,422 reviews.

Question 12

How long does it take to fly to Buenos Aires?

Accepted Answer

The average flight duration from Ireland to Buenos Aires depends on which airport you fly into and out of. Flying from Dublin to Buenos Aires Ministro Pistarini is 25h 15m on average, while flying from Cork to Buenos Aires Ministro Pistarini is on average. Buenos Aires Ministro Pistarini is the most popular airport in Buenos Aires.

Question 13

When did momondo last update prices for flights to Buenos Aires?

Accepted Answer

Prices for flights to Buenos Aires are refreshed on a daily basis.

Question 14

How many operators does momondo search for flights to Buenos Aires?

Accepted Answer

As of November 2025, there are 6 operators available to choose from for flights to Buenos Aires.

Question 15

How old do you have to be to fly to Buenos Aires?

Accepted Answer

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel to Buenos Aires.

Question 16

What documentation or ID do you need to fly to Buenos Aires?

Accepted Answer

The travel and health documents required for your trip to Buenos Aires can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Buenos Aires. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Question 17

What is the cheapest month to fly to Buenos Aires?

Accepted Answer

In general, March 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 €942. If you aren’t able to travel to Buenos Aires during the month of March, then flying in January is also cheap. Prices for this month can be found on momondo for an average of €1,007.

Question 18

What is the cheapest time of day to depart on your flight to Buenos Aires?

Accepted Answer

Our data shows that the cheapest Ireland to Buenos Aires flights are usually those with departure times in the morning. Our users have found flights to Buenos Aires in the morning for as low as €967. In contrast, the most expensive time of day to depart to Buenos Aires is at midday when prices are around €1,174.

Question 19

What is the cheapest day to depart on your flight to Buenos Aires?

Accepted Answer

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 €1,231.

CHEAPEST MONTH TO FLY TO BUENOS AIRES FROM DUBLIN	March	20% cheaper	Flying from Dublin to Buenos Aires costs on average just €942 in March
MOST EXPENSIVE MONTH TO FLY TO BUENOS AIRES FROM DUBLIN	December	34% more expensive	It costs about €1,572 for flights to Buenos Aires from Dublin in December
MOST POPULAR MONTH TO FLY TO BUENOS AIRES FROM DUBLIN	October	836% more users visited	More momondo users searched in flights to Buenos Aires from Dublin in October than any other month

Best One-Way Price	€368
Best Round-Trip Price	€988
Fastest flight time	40h 40m
Popular in	December

€368 Cheap flights to Buenos Aires

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Buenos Aires departing on 16/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Ireland to Buenos Aires

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

momondo Fare Finder

Use the filters below to find and compare flights to Buenos Aires that are best for you.

See travel insights to Buenos Aires from

Buenos Aires flights insights and trends

Explore insights for your Buenos Aires flight to craft the best travel plan

What is the cheapest month to fly to Buenos Aires?

What is the cheapest day to depart on your flight to Buenos Aires?

What is the cheapest time of day to depart on your flight to Buenos Aires?

Cheapest flights to Buenos Aires

Find the cheapest flights to Buenos Aires from your nearest city or airport

Cheap Buenos Aires flight deals and tips

Summary info about Buenos Aires flight prices, duration and airlines

Best One-Way Price

Best Round-Trip Price

Fastest flight time

Popular in

Frequently asked questions about flying to Buenos Aires

How far in advance should I book a flight to Buenos Aires?

Is there an alternative airport near Buenos Aires?

Is there a cheaper alternative to flying into Buenos Aires?

Are there flights to Colegiales?

How long does it take to fly to Buenos Aires?

When did momondo last update prices for flights to Buenos Aires?

How many operators does momondo search for flights to Buenos Aires?

How old do you have to be to fly to Buenos Aires?

What documentation or ID do you need to fly to Buenos Aires?

Why use momondo?

Why should I use momondo to find a flight deal to Buenos Aires?

Can I find flights to Buenos Aires with flexible booking policies on momondo?

How can momondo help me find flights to Buenos Aires?

I’m not ready to book a flight to Buenos Aires right now. Can momondo alert me if prices change?

An easier way to manage your Buenos Aires trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Buenos Aires

Popular Flights to Buenos Aires

Popular routes according to searches in the past day on momondo