What is the cheapest month to fly from Porto Alegre to Rosario?

Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from Porto Alegre (POA) to Rosario (ROS), with fares starting from $164.

What is the lowest current fare from POA to ROS?

The lowest currently-listed fare from Porto Alegre (POA) to Rosario (ROS) is $164 on 2026-09-10.

Is there a direct flight from Porto Alegre to Rosario?

There is currently no non-stop service from POA to ROS. Most travellers connect through a hub airport. See our route page for current stopover options.

Cheap flights from Porto Alegre to Rosario

Cheapest current fares: $164 in September 2026 on connecting flights.

Last updated August 12, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Porto Alegre (POA) to Rosario (ROS). Refreshed daily.

Porto Alegre (POA) → Rosario (ROS)

September 2026 $164

Frequently asked questions

What is the cheapest month to fly from Porto Alegre to Rosario?

Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from Porto Alegre (POA) to Rosario (ROS), with fares starting from $164.
What is the lowest current fare from POA to ROS?

The lowest currently-listed fare from Porto Alegre (POA) to Rosario (ROS) is $164 on 2026-09-10.
Is there a direct flight from Porto Alegre to Rosario?

There is currently no non-stop service from POA to ROS. Most travellers connect through a hub airport. See our route page for current stopover options.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.