The cheapest Paris to Buenos Aires return flight on the radar right now is €960, flying with SWISS + Air Canada via one or more connections. It covers departures in February 2027, and every dated link below opens that exact CDG–EZE search on Skyscanner. Across 100 recorded checks it has ranged between €745 and €1,423. Our sampling points to February 2027 as the cheapest month to fly Paris to Buenos Aires.
Every fare here is re-confirmed against Skyscanner automatically, and each one is stamped with the moment it was last checked, so you can see how fresh it is instead of taking it on trust. Not flying from Paris? We track 60 other departure cities for Buenos Aires, listed at the foot of this page.
Fares move quickly. If this Paris to Buenos Aires price has gone by the time you search, shift the dates a day or two either side, because the same route is often still cheap just next door.