The cheapest Venice to Buenos Aires return flight on the radar right now is €873, flying with Air Europa via one or more connections. It covers departures in May 2027, and every dated link below opens that exact VCE–EZE search on Skyscanner. That is roughly 13% below the €1,002 this route usually costs. Across 82 recorded checks it has ranged between €686 and €1,819. Our sampling points to May 2027 as the cheapest month to fly Venice to Buenos Aires.
Prices are re-checked against Skyscanner automatically, and every one shows when it was last confirmed, so nothing here is older than it looks. Not flying from Venice? We track 53 other departure cities for Buenos Aires, listed at the foot of this page.
Prices like this tend to vanish fast. If it has gone when you look, try the days either side of the dates above, since Venice to Buenos Aires is often still worth booking within a day or two of the fare we found.