Cheap Flights from Porto Alegre to Buenos Aires
Browse current best options from Porto Alegre. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
Porto Alegre
RatePunk searches hundreds of travel sites at once for deals on flights to Buenos Aires
Prices updated 4 days ago
476 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated Oct 12, 2026.)
Today’s best flight deals from Porto Alegre to Buenos Aires
Explore current cheapest deals departing from Porto Alegre to Buenos Aires
2026-10-11 – 2026-10-18
POA - Buenos Aires
47% AI deal score
$290
$274
Round trip
2026-10-08 – 2026-10-12
POA - Buenos Aires
49% AI deal score
$349
$297
Round trip
2026-11-19 – 2026-11-26
POA - Buenos Aires
44% AI deal score
$224
$297
Round trip
2026-10-20 – 2026-10-25
POA - Buenos Aires
44% AI deal score
$260
$299
Round trip
2026-10-11 – 2026-10-13
POA - Buenos Aires
49% AI deal score
$352
$299
Round trip
2026-11-23 – 2026-11-26
POA - Buenos Aires
44% AI deal score
$234
$299
Round trip
2026-11-10 – 2026-11-15
POA - Buenos Aires
44% AI deal score
$232
$300
Round trip
2026-11-03 – 2026-11-10
POA - Buenos Aires
44% AI deal score
$225
$300
Round trip
2026-10-11 – 2026-10-12
POA - Buenos Aires
49% AI deal score
$353
$301
Round trip
2026-11-22 – 2026-11-26
POA - Buenos Aires
44% AI deal score
$234
$301
Round trip
