São Paulo (GRU) to Asuncion (ASU): 707 miles (1,137 km) great-circle, about 1h 55m nonstop by our estimate. Cheapest fare observed: $384 round-trip on GOL, nonstop, departing June 20, 2026.
$384 round-trip, GOL G37480, departing 2026-06-20 at 09:00, returning 2026-07-12. The recorded itinerary left on a Saturday, returning on a Sunday 22 nights later; the fare was observed 56 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $384, it ranked 11th of the 30 round-trip fares we recorded from GRU (median $520). That is 54.4 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: Brasilia (531 mi) at $351 and Foz Do Iguacu (526 mi) at $314.
GOL had the cheapest fare on 5 of 30 GRU routes. It is the 26th longest of the 30 routes we track from GRU.
Of 6 departure airports with a fare to Asuncion, São Paulo (GRU) ranked 2nd at $384. Lowest: $213 from Rio de Janeiro (GIG); highest: $1791 from Addis Ababa (ADD); 2 nonstop. Cheapest-fare airlines (routes): Boliviana de Aviacion (1), Copa (1), Ethiopian (1), GOL (1), JetSMART (1) and Porter Airlines (1).
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Sao_Paulo, America/Asuncion; flight time is our estimate.