This page does one job: keep an eye on return fares from Athens to Buenos Aires. You get the cheapest price we have on record, the exact dates it was available on, and how that sits against what the route normally costs.
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 Athens? We track 52 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 Athens to Buenos Aires is often still worth booking within a day or two of the fare we found.