São Paulo (GRU) to Florianopolis (FLN): 320 miles (516 km) great-circle, about 1h 10m nonstop by our estimate. Cheapest fare observed: $280 round-trip on GOL, nonstop, departing May 11, 2026.
$280 round-trip, GOL G31140, departing 2026-05-11 at 09:15, returning 2026-05-29. The recorded itinerary left on a Monday, returning on a Friday 18 nights later; the fare was observed 16 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.
At $280, it ranked 5th of the 30 round-trip fares we recorded from GRU (median $520). That is 87.4 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: Rio de Janeiro (209 mi) at $124 and Foz Do Iguacu (526 mi) at $314.
GOL had the cheapest fare on 5 of 30 GRU routes. It is the 29th longest of the 30 routes we track from GRU.
Of 4 departure airports with a fare to Florianopolis, São Paulo (GRU) ranked 1st at $280. Lowest: $280 from São Paulo (GRU); highest: $842 from Punta Cana (PUJ); 1 nonstop. Cheapest-fare airlines (routes): LATAM (2), Copa (1) and GOL (1).
Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Sao_Paulo, America/Sao_Paulo; flight time is our estimate.