Cheap Flights from Rio de Janeiro to Buenos Aires
Browse current best options from Rio de Janeiro. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
Rio de Janeiro
RatePunk searches hundreds of travel sites at once for deals on flights to Buenos Aires
Prices updated 6 days ago
454 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated Aug 25, 2026.)
Today’s best flight deals from Rio de Janeiro to Buenos Aires
Explore current cheapest deals departing from Rio de Janeiro to Buenos Aires
2026-09-17 – 2026-10-04
RIO - Buenos Aires
49% AI deal score
$199
$210
Round trip
2026-09-17 – 2026-10-05
RIO - Buenos Aires
49% AI deal score
$198
$210
Round trip
2026-10-01 – 2026-10-05
RIO - Buenos Aires
68% AI deal score
$256
$212
Round trip
2026-10-22 – 2026-11-12
RIO - Buenos Aires
49% AI deal score
$212
$212
Round trip
2026-10-21 – 2026-11-17
RIO - Buenos Aires
69% AI deal score
$238
$212
Round trip
2026-10-21 – 2026-11-08
RIO - Buenos Aires
69% AI deal score
$241
$212
Round trip
2026-10-21 – 2026-11-13
RIO - Buenos Aires
69% AI deal score
$239
$212
Round trip
2026-10-21 – 2026-11-12
RIO - Buenos Aires
69% AI deal score
$239
$212
Round trip
2026-10-21 – 2026-11-15
RIO - Buenos Aires
69% AI deal score
$238
$212
Round trip
2026-10-22 – 2026-11-15
RIO - Buenos Aires
49% AI deal score
$212
$212
Round trip