Are there nonstop flights from Rosario (ROS) to Asunción (ASU)?

No. The fastest connection is via Buenos Aires, about 2h 33m of total flying time.

What is the fastest connection from Rosario (ROS) to Asunción (ASU)?

via Buenos Aires ≈ 2h 33m, via Salta ≈ 3h 8m, via Florianópolis ≈ 3h 38m (estimated flying time, excluding layovers).

Rosario Islas Malvinas International Airport (ROS) to Silvio Pettirossi International Airport (ASU)・909 km

No nonstop flights. The fastest connection is via Buenos Aires (AEP), about 2h 33m of flying time (layover not included).

None.

3 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.