Are there nonstop flights from Foz do Iguaçu (IGU) to Rio de Janeiro (SDU)?

No. The fastest connection is via São Paulo, about 2h 24m of total flying time.

What is the fastest connection from Foz do Iguaçu (IGU) to Rio de Janeiro (SDU)?

via São Paulo ≈ 2h 24m, via São Paulo ≈ 2h 24m, via Campinas ≈ 2h 25m (estimated flying time, excluding layovers).

Cataratas International Airport (IGU) to Santos Dumont Airport (SDU)・1,186 km

No nonstop flights. The fastest connection is via São Paulo (CGH), about 2h 24m of flying time (layover not included).

None.

5 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.