Buenos Aires (EZE) to Mendoza (MDZ): 604 miles (972 km) great-circle, about 1h 45m nonstop by our estimate. Cheapest fare observed: $75 round-trip on Aerolineas Argentinas, nonstop, departing May 9, 2026.
$75 round-trip, Aerolineas Argentinas AR1404, departing 2026-05-09 at 07:20, returning 2026-05-19. The recorded itinerary left on a Saturday, returning on a Tuesday 10 nights later; the fare was observed 14 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $75, it ranked 2nd of the 30 round-trip fares we recorded from EZE (median $530). That is 12.4 cents per great-circle mile (round-trip price over one-way distance), below the EZE median of 21.8 cents across 30 round-trip routes.
Routes from EZE of similar length: Neuquen (603 mi) at $158 and Asuncion (665 mi) at $575.
Aerolineas Argentinas had the cheapest fare on 6 of 30 EZE routes. It is the 28th longest of the 30 routes we track from EZE.
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Argentina/Buenos_Aires, America/Argentina/Mendoza; flight time is our estimate.