São Paulo (GRU) to Montevideo (MVD): 975 miles (1,570 km) great-circle, about 2h 25m nonstop by our estimate. Cheapest fare observed: $434 round-trip on Aerolineas Argentinas, with 1 stop, departing July 13, 2026.
$434 round-trip, Aerolineas Argentinas AR1315, departing 2026-07-13 at 20:20, returning 2026-08-03. The recorded itinerary left on a Monday, returning on a Monday 21 nights later; the fare was observed 79 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $434, it ranked 12th of the 30 round-trip fares we recorded from GRU (median $520). That is 44.5 cents per great-circle mile (round-trip price over one-way distance), above the GRU median of 21.3 cents across 30 round-trip routes.
Routes from GRU of similar length: Salvador (902 mi) at $188 and Buenos Aires (1,070 mi) at $292.
GRU to MVD is the only one of 30 GRU routes where Aerolineas Argentinas priced cheapest. It is the 24th longest of the 30 routes we track from GRU.
Of 3 departure airports with a fare to Montevideo, São Paulo (GRU) ranked 2nd at $434. Lowest: $358 from Rio de Janeiro (GIG); highest: $1187 from Havana (HAV); 1 nonstop. Cheapest-fare airlines (routes): Aerolineas Argentinas (1), American Airlines (1) and JetSMART (1).
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Sao_Paulo, America/Montevideo; flight time is our estimate.