Rio de Janeiro to Buenos Aires

1 ways to travelfastest 3h 21mfly from €70
Photo: Barbara Zandoval / Unsplash

When is it cheapest to fly?

Nov: from €118 — show this month's calendar €118 NovDec: from €70 — show this month's calendar €70 DecJan: from €76 — show this month's calendar €76 JanFeb: from €87 — show this month's calendar €87 FebMar: from €79 — show this month's calendar €79 MarApr: from €80 — show this month's calendar €80 AprMay: from €87 — show this month's calendar €87 MayJul: from €114 — show this month's calendar €114 Jul

How the cheapest fare moved

Nov 3: €78 €78 Oct 27 Nov 3 low €75 · high €118

Departure-day prices · August 2027 Rio de Janeiro → Buenos Aires

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Cheapest days highlighted · darker = pricier · past days greyed out · cached one-way fares.

Return-day prices · August 2027 Buenos Aires → Rio de Janeiro

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Cheapest days highlighted · darker = pricier · past days greyed out · cached one-way fares.

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, 12 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, 7 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: €70–81, based on 10 fares found by travellers.

Fly (from €70)
3h 21mduration
€70–81recent fares
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Cheapest cached fares Rio de Janeiro → Buenos Aires; direct flights available (e.g. JA). · Based on 10 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.

Dec 12 – Dec 16 JetSmart · Direct · 3h 24m €220 Book
Mar 12 – Mar 17 JetSmart · Direct · 3h 25m €227 Book
May 13 – May 18 JetSmart · Direct · 3h 20m €232 Book
Nov 19 – Dec 17 JetSmart · Direct · 3h 24m €234 Book
Dec 2 – Dec 6 JetSmart · Direct · 3h 24m €238 Book
Feb 22 – Mar 12 JetSmart · Direct · 3h 26m €239 Book
Mar 1 – Mar 8 JetSmart · Direct · 3h 25m €256 Book
Dec 10 – Dec 17 JetSmart · Direct · 3h 25m €263 Book

Weather in Buenos Aires

Tue 🌧️ 21° 18° 💧98%
Wed 🌦️ 25° 16° 💧65%
Thu 🌤️ 24° 14° 💧0%
Fri 🌦️ 24° 15° 💧87%
Sat 🌦️ 18° 10° 💧61%
Sun ☀️ 21° 10° 💧0%
Mon ☁️ 22° 14° 💧0%

In Aug, Buenos Aires typically sees ~14°C daytime highs and 6 rainy days.

Where to stay in Buenos Aires

3★+ hotels from €43/night (36 hotels sampled, ~3 weeks out).

M Concept Hotel hotel · Buenos Aires
from €43/night★ 4
See availability
1253 Recoleta Small Hotel hotel · Buenos Aires
from €45/night★ 4
See availability
Believe Madero Hotel hotel · Buenos Aires
from €45/night★ 4
See availability

Good to know

Time differenceSame time zone
Time in the air3h 20m

Things to do in Buenos Aires

Top-rated tours and tickets from €23 — book ahead for the popular ones.

from €82
Empanada Cooking Class in Buenos Aires★ 5.0 (135)
from €78
Buenos Aires: 7-Course Argentine Asado & Live Music★ 5.0 (104)
from €23
Buenos Aires: Take a Mate Break in 45 Minutes★ 5.0 (85)
from €130
Private Walking Tour of Buenos Aires South Neighborhoods★ 5.0 (58)
from €128
Buenos Aires Like a Local: Private City Tour in Premium Car★ 5.0 (58)
from €356
Sailing with Wine Tasting in Buenos Aires★ 5.0 (57)

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 €93
Rio de Janeiro Sao Paulo
from €115
Rio de Janeiro Brasilia
from €129
Rio de Janeiro Belo Horizonte
from €156
Rio de Janeiro Vitoria
from €164
Rio de Janeiro Salvador
from €180
Rio de Janeiro Recife
from €185
Rio de Janeiro Foz do Iguaçu
from €226
Rio de Janeiro Curitiba
from €235
Rio de Janeiro Florianopolis
from €241
Rio de Janeiro São Luis
from €241
Rio de Janeiro Ilheus
from €244
Rio de Janeiro Porto Alegre
from €257
Rio de Janeiro Manaus
from €279
Rio de Janeiro Teresina
from €284
Rio de Janeiro Joao Pessoa

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 2026-11-03. Some links earn Stayonomy a commission at no cost to you.