Buenos Aires (EZE) to Sochi (AER): 8,204 miles (13,203 km) great-circle, about 16h 55m nonstop by our estimate. Cheapest fare observed: $1835 round-trip on Air Canada, with 3 stops, departing June 18, 2026.
$1835 round-trip, Air Canada AC91, departing 2026-06-18 at 16:35, returning 2026-06-23. The recorded itinerary left on a Thursday, returning on a Tuesday 5 nights later; the fare was observed 54 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $1835, it ranked 27th of the 30 round-trip fares we recorded from EZE (median $530). That is 22.4 cents per great-circle mile (round-trip price over one-way distance), close to the EZE median of 21.8 cents across 30 round-trip routes.
Routes from EZE of similar length: St. Petersburg (8,222 mi) at $2066 and Moscow (8,386 mi) at $1964.
EZE to AER is the only one of 30 EZE routes where Air Canada priced cheapest. It is the 6th longest of the 30 routes we track from EZE.
Of 48 departure airports with a fare to Sochi, Buenos Aires (EZE) ranked 47th at $1835. Lowest: $168 from Istanbul (IST); highest: $2032 from Bogota (BOG); 4 nonstop. Cheapest-fare airlines (routes): Wizz Air Malta (7), AJet (5), Pegasus Airlines (4), Azimuth (3), Etihad (3) and Norwegian Air (2), plus 24 more.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Argentina/Buenos_Aires, Europe/Moscow; flight time is our estimate.