Cheap flights from Posadas to Rosario

One-way fares from $116 · PSS → ROS · prices found by travellers in the last 48 hours

Compare all dates Rosario → Posadas
Cheapest fare
$116

Aerolineas Argentinas · Thu, Nov 12

Cheapest month
November

from $116

Direct flights
Not recently

Usually 1+ stop

Quickest trip
2h 35m

770 km

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Cheapest month to fly from Posadas to Rosario

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $116

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Aerolineas Argentinas
Depart21:45 Thu, Nov 12PSS → ROS 2h 40m · 1 stop
$116one way, per person
View deal
JetSmart
Depart18:16 Fri, Nov 13PSS → ROS 2h 35m · 1 stop
$135one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to Rosario

Where to stay, what to do and getting around, from our travel partners.

Where to stay

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Things to do

Things to do in RosarioTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in RosarioPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in RosarioCompare rental cars from major brands on EconomyBookings Compare cars →

About flights from Posadas to Rosario

Posadas (PSS) and Rosario (ROS) are about 770 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 2h 35m. Over the next few months, one-way fares start from $116, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Posadas to Rosario?

The cheapest one-way fare we've seen recently is $116 with Aerolineas Argentinas, departing Thursday, November 12, 2026.

What is the cheapest month to fly from Posadas to Rosario?

November 2026 currently has the lowest fares, from $116 one way.

Are there direct flights from Posadas to Rosario?

We haven't seen direct fares recently, so most journeys include at least one stop.

How long is the flight from Posadas to Rosario?

The quickest journey we've seen takes about 2h 35m. Posadas and Rosario are around 770 km apart.

Which airlines fly from Posadas to Rosario?

Recent fares on this route were with Aerolineas Argentinas and JetSmart.

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