Rosario (ROS) to Asuncion (ASU) flights
One airline flies nonstop from Rosario (ROS) to Asuncion (ASU): Silk Way Airlines. The two airports are 567 miles (912 km) apart. There are also 3 ways to fly it with one stop, through Buenos Aires, Salta and Florianopolis.
Airlines flying nonstop from ROS to ASU
- ZPSilk Way AirlinesNot in an alliance
ROS to ASU with one stop
3 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 Salta (SLA)Aerolineas Argentinas, then Silk Way AirlinesZP
- Via Florianopolis (FLN)Aerolineas Argentinas, then Silk Way AirlinesZP
ROS to ASU: common questions
Which airlines fly nonstop from ROS to ASU?
Silk Way Airlines flies nonstop from Rosario (ROS) to Asuncion (ASU).
How far is Rosario from Asuncion by plane?
Rosario (ROS) and Asuncion (ASU) 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 ROS to ASU cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for ROS to ASU with taxes and fees.
Where can I connect between Rosario and Asuncion?
The most direct connections are through Buenos Aires (AEP), 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.