stayonomyFly (from €50)
1h 40mduration
€50–386recent fares
Book
Cheapest cached fares Posadas → Buenos Aires; direct flights available (e.g. AR). · Based on 3 fares found by travellers in the last 48h
Cheapest days highlighted · darker = pricier · past days greyed out · cached one-way fares.
Cheapest days highlighted · darker = pricier · past days greyed out · cached one-way fares.
Best value: Nov — fares from €50 and ~25°C daytime.
Flights from Posadas to Buenos Aires start around €50 (direct flights available). Range seen recently: €50–386, based on 3 fares found by travellers.
Fares found by travellers in the last 48 hours — refreshed daily.
In Oct, Buenos Aires typically sees ~23°C daytime highs and 8 rainy days.
3★+ hotels from €60/night (39 hotels sampled, ~3 weeks out).
Top-rated tours and tickets from €23 — book ahead for the popular ones.
Tours and tickets provided by Viator (a Tripadvisor company). Some links earn Stayonomy a commission.
Buenos Aires is the capital of Argentina and one of Latin America's most culturally significant cities. It is a city of beautiful parks and belle epoque architecture, a place of big historical events, and a city of intimate cafes and cosmopolitan nightlife.
Read the full Buenos Aires guide
Guide content from Wikivoyage contributors (CC BY-SA).
Cheapest destinations travellers searched recently — refreshed daily.
Flight prices are real fares travellers found in the last 48 hours, refreshed daily — the booking site confirms the final price. Train, bus and ferry fares are shown on the operators' booking sites. Weather data by Open-Meteo; exchange rates: ECB reference. Data updated 2026-10-18. Some links earn Stayonomy a commission at no cost to you.