Rio de Janeiro to Buenos Aires

1 ways to travelfastest 3h 24mfly from €70
Photo: Barbara Zandoval / Unsplash

When is it cheapest to fly?

Sep: from €99 — show this month's calendar €99 SepOct: from €80 — show this month's calendar €80 OctNov: from €74 — show this month's calendar €74 NovDec: from €70 — show this month's calendar €70 DecJan: from €127 — show this month's calendar €127 JanFeb: from €123 — show this month's calendar €123 FebMar: from €108 — show this month's calendar €108 MarApr: from €118 — show this month's calendar €118 Apr

How the cheapest fare moved

Sep 10: €95 €95 Sep 3 Sep 10 low €74 · high €133

Departure-day prices · August 2026 Rio de Janeiro → Buenos Aires

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Return-day prices · August 2026 Buenos Aires → Rio de Janeiro

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Best time to visit Buenos Aires — climate

Jan: ~30°C daytime, 7 rainy days 30° JanFeb: ~30°C daytime, 9 rainy days 30° FebMar: ~26°C daytime, 13 rainy days 26° MarApr: ~21°C daytime, 9 rainy days 21° AprMay: ~19°C daytime, 11 rainy days 19° MayJun: ~14°C daytime, 5 rainy days 14° JunJul: ~14°C daytime, 4 rainy days 14° JulAug: ~17°C daytime, 5 rainy days 17° AugSep: ~19°C daytime, 6 rainy days 19° SepOct: ~23°C daytime, 8 rainy days 23° OctNov: ~25°C daytime, 9 rainy days 25° NovDec: ~30°C daytime, 10 rainy days 30° Dec

Best value: Dec — fares from €70 and ~30°C daytime.

Flights from Rio de Janeiro to Buenos Aires start around €70 (direct flights available). Range seen recently: €70–91, based on 18 fares found by travellers.

Fly (from €70)
3h 24mduration
€70–91recent fares
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Cheapest cached fares Rio de Janeiro → Buenos Aires; direct flights available (e.g. JA). · Based on 18 fares found by travellers in the last 48h

Cheapest round trips to Buenos Aires

Fares found by travellers in the last 48 hours — refreshed daily.

Nov 4 – Nov 10 JetSmart · Direct · 3h 24m €194 Book
Oct 22 – Oct 25 JetSmart · Direct · 3h 25m €208 Book
Sep 30 – Oct 11 JetSmart · Direct · 3h 25m €210 Book
Nov 6 – Nov 11 JetSmart · Direct · 3h 25m €224 Book
Oct 21 – Oct 23 JetSmart · Direct · 3h 25m €238 Book
Nov 11 – Nov 18 JetSmart · Direct · 3h 25m €241 Book
Oct 27 – Nov 8 JetSmart · Direct · 3h 25m €241 Book
Mar 31 – Apr 7 JetSmart · Direct · 3h 24m €259 Book

Weather in Buenos Aires

Thu ☁️ 18° 10° 💧63%
Fri ☁️ 17° 12° 💧6%
Sat 🌦️ 12° 8° 💧30%
Sun ☁️ 12° 6° 💧8%
Mon ☁️ 13° 9° 💧8%
Tue ☁️ 18° 11° 💧2%
Wed 🌤️ 18° 12° 💧2%

In Aug, Buenos Aires typically sees ~17°C daytime highs and 5 rainy days.

Where to stay in Buenos Aires

3★+ hotels from €44/night (37 hotels sampled, ~3 weeks out).

M Concept Hotel hotel · Buenos Aires
from €44/night★ 4
See availability
Mérit San Telmo by Amérian hotel · Buenos Aires
from €47/night★ 3
See availability
1253 Recoleta Small Hotel hotel · Buenos Aires
from €47/night★ 4
See availability

Good to know

Time differenceSame time zone
Time in the air3h 24m

Things to do in Buenos Aires

Top-rated tours and tickets from €22 — book ahead for the popular ones.

from €79
Empanada Cooking Class in Buenos Aires★ 5.0 (135)
from €74
Buenos Aires: 7-Course Argentine Asado & Live Music★ 5.0 (103)
from €22
Buenos Aires: Take a Mate Break in 45 Minutes★ 5.0 (78)
from €341
Sailing with Wine Tasting in Buenos Aires★ 5.0 (56)
from €120
Private Walking Tour of Buenos Aires South Neighborhoods★ 5.0 (53)
from €99
Buenos Aires Maradona Experience★ 5.0 (51)

Tours and tickets provided by Viator (a Tripadvisor company). Some links earn Stayonomy a commission.

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.

Read the full Buenos Aires guide

Guide content from Wikivoyage contributors (CC BY-SA).

Round out the trip

eSIM for Buenos AiresData from the moment you land — no roaming bills. Rent a car in Buenos AiresCompare local and international rental desks. Airport transferFixed-price pickup waiting at arrivals. Travel insuranceMedical + luggage cover from a few €/day.

Popular from Rio de Janeiro

Cheapest destinations travellers searched recently — refreshed daily.

from €99
Rio de Janeiro Belo Horizonte
from €153
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from €172
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from €182
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from €198
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from €209
Rio de Janeiro Goiania
from €251
Rio de Janeiro Fortaleza
from €275
Rio de Janeiro Asuncion
from €357
Rio de Janeiro Maceio
from €446
Rio de Janeiro Cusco
from €558
Rio de Janeiro Cancun
from €687
Rio de Janeiro Mexico City

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 2026-09-10. Some links earn Stayonomy a commission at no cost to you.