In general, July 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 575€. If you aren’t able to travel during the month of July, then book flights to Buenos Aires from Ireland during May instead. Flights to Buenos Aires in May, while not as cheap as those in July, still average around 582€.
We recommend purchasing flights from Ireland to Buenos Aires 19 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Buenos Aires for 718€. 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 580€.
The cheapest day to depart from Ireland to Buenos Aires is on a Wednesday when prices can be found for as low as 721€. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires on Sunday is 872€.
According to our data, the cheapest time of day to fly to Buenos Aires is in the morning. momondo users have found flights departing from Ireland to Buenos Aires in the morning for as low as 698€. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Buenos Aires is in the afternoon when prices are around 842€.