Buenos Aires (EZE) to Cusco (CUZ): 1,692 miles (2,723 km) great-circle, about 3h 55m nonstop by our estimate. Cheapest fare observed: $578 round-trip on LATAM, with 1 stop, departing July 6, 2026.
$578 round-trip, LATAM LA543, departing 2026-07-06 at 12:15, returning 2026-07-17. The recorded itinerary left on a Monday, returning on a Friday 11 nights later; the fare was observed 72 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $578, it ranked 17th of the 30 round-trip fares we recorded from EZE (median $530). That is 34.2 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: Ushuaia (1,460 mi) at $291 and Salvador (1,972 mi) at $473.
LATAM had the cheapest fare on 3 of 30 EZE routes. It is the 16th longest of the 30 routes we track from EZE.
Of 2 departure airports with a fare to Cusco, Buenos Aires (EZE) ranked 2nd at $578. Lowest: $448 from São Paulo (GRU); highest: $578 from Buenos Aires (EZE); 0 nonstop. Cheapest-fare airlines (routes): LATAM (1) and Sky Airline (1).
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Argentina/Buenos_Aires, America/Lima; flight time is our estimate.