Cheap flights from Posadas to Buenos Aires

One-way fares from $30 · PSS → BUE · prices found by travellers in the last 48 hours

Compare all dates Buenos Aires → Posadas
Cheapest fare
$30

JetSmart · Fri, Nov 13

Cheapest month
November

from $30

Direct flights
Yes

JetSmart and Aerolineas Argentinas

Flight time
1h 35m

840 km

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Cheapest month to fly from Posadas to Buenos Aires

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

  1. November 2026 Cheapest $30
  2. December 2026 $33

Cheapest dates in November 2026

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

JetSmart
Depart18:16 Fri, Nov 13PSS → AEP 1h 35m · Direct
$30one way, per person
View deal
JetSmart
Depart18:28 Thu, Nov 12PSS → AEP 1h 35m · Direct
$38one way, per person
View deal
Aerolineas Argentinas
Depart21:10 Tue, Nov 10PSS → EZE 1h 40m · Direct
$87one way, per person
View deal
Aerolineas Argentinas
Depart21:15 Sun, Nov 8PSS → EZE 1h 40m · Direct
$145one way, per person
View deal
See every date in November 2026 →

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About flights from Posadas to Buenos Aires

Posadas (PSS) and Buenos Aires (BUE) are about 840 km apart. Direct flights take around 1h 35m, and recent direct fares were with JetSmart and Aerolineas Argentinas. Over the next few months, one-way fares start from $30, 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 Buenos Aires?

The cheapest one-way fare we've seen recently is $30 with JetSmart, departing Friday, November 13, 2026. Over the coming months, the lowest fare in each month ranges from $30 to $33.

What is the cheapest month to fly from Posadas to Buenos Aires?

November 2026 currently has the lowest fares, from $30 one way.

Are there direct flights from Posadas to Buenos Aires?

Yes. Recent direct fares were with JetSmart and Aerolineas Argentinas.

How long is the flight from Posadas to Buenos Aires?

A direct flight takes about 1h 35m. Posadas and Buenos Aires are around 840 km apart.

Which airlines fly from Posadas to Buenos Aires?

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

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