Best value: Mar — fares from €80 and ~26°C daytime.
Flights from Rio de Janeiro to Buenos Aires start around €80 (direct flights available). Range seen recently: €80–89, based on 20 fares found by travellers.
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About Buenos Aires
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.
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 2026-11-10. Some links earn Stayonomy a commission at no cost to you.
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