Buenos Aires (EZE) to St. Petersburg (LED): 8,222 miles (13,233 km) great-circle, about 16h 55m nonstop by our estimate. Cheapest fare observed: $2066 round-trip on United Airlines, with 4 stops, departing May 8, 2026.
$2066 round-trip, United Airlines UA818, departing 2026-05-08 at 21:00, returning 2026-06-26. The recorded itinerary left on a Friday, returning on a Friday 49 nights later; the fare was observed 13 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $2066, it ranked 29th of the 30 round-trip fares we recorded from EZE (median $530). That is 25.1 cents per great-circle mile (round-trip price over one-way distance), above the EZE median of 21.8 cents across 30 round-trip routes.
Routes from EZE of similar length: Sochi (8,204 mi) at $1835 and Moscow (8,386 mi) at $1964.
United Airlines had the cheapest fare on 2 of 30 EZE routes. It is the 5th longest of the 30 routes we track from EZE.
Of 98 departure airports with a fare to St. Petersburg, Buenos Aires (EZE) ranked 97th at $2066. Lowest: $247 from Antalya (AYT); highest: $2769 from Havana (HAV); 0 nonstop. Cheapest-fare airlines (routes): Pegasus Airlines (13), Emirates (8), Sichuan Airlines (8), Turkish (8), China Eastern (4) and Etihad (4), plus 38 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.