Are there nonstop flights from Rosario (ROS) to Rio de Janeiro (SDU)?

No. The fastest connection is via São Paulo, about 3h 28m of total flying time.

What is the fastest connection from Rosario (ROS) to Rio de Janeiro (SDU)?

via São Paulo ≈ 3h 28m (estimated flying time, excluding layovers).

Rosario Islas Malvinas International Airport (ROS) to Santos Dumont Airport (SDU)・2,053 km

No nonstop flights. The fastest connection is via São Paulo (GRU), about 3h 28m of flying time (layover not included).

None.

1 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.