Asuncion (ASU) to Rosario (ROS) flights
One airline flies nonstop from Asuncion (ASU) to Rosario (ROS): Silk Way Airlines. The two airports are 567 miles (912 km) apart. There are also 4 ways to fly it with one stop, through Buenos Aires, Buenos Aires and Salta and more.
Airlines flying nonstop from ASU to ROS
- ZPSilk Way AirlinesNot in an alliance
ASU to ROS with one stop
4 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Buenos Aires (AEP)Aerolineas Argentinas the whole way
ZP

- Via Buenos Aires (EZE)JetSMART, then Aerolineas Argentinas and Copa Airlines



- Via Salta (SLA)Silk Way Airlines, then Aerolineas ArgentinasZP

- Via Florianopolis (FLN)Silk Way Airlines, then Aerolineas ArgentinasZP

ASU to ROS: common questions
Which airlines fly nonstop from ASU to ROS?
Silk Way Airlines flies nonstop from Asuncion (ASU) to Rosario (ROS).
How far is Asuncion from Rosario by plane?
Asuncion (ASU) and Rosario (ROS) are 567 miles (912 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does ASU to ROS cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for ASU to ROS with taxes and fees.
Where can I connect between Asuncion and Rosario?
The most direct connections are through Buenos Aires (AEP), Buenos Aires (EZE), Salta (SLA) and Florianopolis (FLN). On 1 of them the same airline flies both flights, for example Aerolineas Argentinas through Buenos Aires.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.