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Cheapest cached fares Rio de Janeiro → Buenos Aires; direct flights available (e.g. JA). · Based on 16 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: Mar — fares from €68 and ~26°C daytime.
Flights from Rio de Janeiro to Buenos Aires start around €68 (direct flights available). Range seen recently: €68–111, based on 16 fares found by travellers.
Fares found by travellers in the last 48 hours — refreshed daily.
In Dec, Buenos Aires typically sees ~30°C daytime highs and 10 rainy days.
3★+ hotels from €51/night (30 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 2026-10-29. Some links earn Stayonomy a commission at no cost to you.