Earn point on your loyalty program!arrow arc left

Cheap flights from Atlanta (ATL) to Porto Alegre (POA)

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

How to find the cheapest flight from Atlanta (ATL) to Porto Alegre (POA)

How to find the cheapest flight from Atlanta (ATL) to Porto Alegre (POA)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Atlanta (ATL) to Porto Alegre (POA)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Atlanta (ATL) to Porto Alegre (POA)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.

Cheap flights from Atlanta to Porto Alegre in August , September 2026

31 Aug - 24 Sep $ 789.00
ATL
Atlanta
Frontier Airlines
2 STOPS
POA
Porto Alegre
POA
Porto Alegre
Frontier Airlines
2 STOPS
ATL
Atlanta
Pick dates
30 Aug - 10 Sep $ 1,120.00
ATL
Atlanta
LATAM Airlines
1 STOPS
POA
Porto Alegre
POA
Porto Alegre
LATAM Airlines
1 STOPS
ATL
Atlanta
Pick dates
30 Aug - 05 Sep $ 1,156.00
ATL
Atlanta
LATAM Airlines
1 STOPS
POA
Porto Alegre
POA
Porto Alegre
LATAM Airlines
1 STOPS
ATL
Atlanta
Pick dates

Last minute flights from Atlanta to Porto Alegre

27 Aug - 31 Aug $ 938.00
ATL
Atlanta
Frontier Airlines
2 STOPS
POA
Porto Alegre
POA
Porto Alegre
Frontier Airlines
2 STOPS
ATL
Atlanta
Pick dates
28 Aug - 31 Aug $ 1,346.00
ATL
Atlanta
LATAM Airlines
1 STOPS
POA
Porto Alegre
POA
Porto Alegre
LATAM Airlines
1 STOPS
ATL
Atlanta
Pick dates
26 Aug - 31 Aug $ 1,390.00
ATL
Atlanta
LATAM Airlines
1 STOPS
POA
Porto Alegre
POA
Porto Alegre
LATAM Airlines
1 STOPS
ATL
Atlanta
Pick dates

One-way flights to Porto Alegre from Atlanta

4:05 PM - 11:50 PM
LATAM Airlines
1 Stops
13h 15m
ATL - POA
$ 522
Kiwi
Pick dates
6:55 PM - 12:55 PM
LATAM Airlines
1 Stops
18h 45m
ATL - POA
$ 527
Kiwi
Pick dates
4:05 PM - 11:50 PM
LATAM Airlines
1 Stops
13h 15m
ATL - POA
$ 562
Kiwi
Pick dates

How to find the cheapest flight from Atlanta (ATL) to Porto Alegre (POA)

Related info for your journey
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Atlanta (ATL) to Porto Alegre (POA)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Atlanta (ATL) to Porto Alegre (POA)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.