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Cheap flights from Atlanta to Porto Alegre from $339

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Atlanta to Porto Alegre departing on 9/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Atlanta to Porto Alegre

Cheap round-trip flights

Enter your travel dates to find the best prices.
GOL Logo
6:41 pm - 11:35 pm
ATL
-
POA
27h 54m
2 stops
GOL Logo
5:20 am - 11:57 pm
POA
-
ATL
20h 37m
2 stops
$759GOL
Sat, Sep 19 - Wed, Nov 25
Multiple Airlines Logo
5:11 pm - 12:20 am
ATL
-
POA
30h 09m
1 stop
Multiple Airlines Logo
1:20 am - 9:52 am
POA
-
ATL
33h 32m
2 stops
$764Multiple Airlines
Thu, Jun 11 - Tue, Jun 16
Multiple Airlines Logo
5:11 pm - 12:20 am
ATL
-
POA
30h 09m
1 stop
Multiple Airlines Logo
1:20 am - 7:11 am
POA
-
ATL
30h 51m
2 stops
$787Multiple Airlines
Thu, Jun 11 - Sun, Jun 21
GOL Logo
6:41 pm - 11:30 am
ATL
-
POA
15h 49m
2 stops
GOL Logo
5:20 am - 10:56 pm
POA
-
ATL
19h 36m
2 stops
$800GOL
Thu, Sep 17 - Mon, Nov 16
Multiple Airlines Logo
5:11 pm - 12:20 am
ATL
-
POA
30h 09m
1 stop
Multiple Airlines Logo
1:20 am - 7:11 pm
POA
-
ATL
18h 51m
2 stops
$803Multiple Airlines
Thu, Jun 11 - Mon, Jun 22
GOL Logo
6:41 pm - 11:30 am
ATL
-
POA
15h 49m
2 stops
GOL Logo
5:20 am - 11:57 pm
POA
-
ATL
20h 37m
2 stops
$807GOL
Sun, Sep 20 - Thu, Nov 26
Multiple Airlines Logo
5:11 pm - 12:20 am
ATL
-
POA
30h 09m
1 stop
Multiple Airlines Logo
5:10 am - 9:52 am
POA
-
ATL
29h 42m
2 stops
$816Multiple Airlines
Thu, Jun 11 - Sun, Jun 21
GOL Logo
6:54 pm - 11:40 pm
ATL
-
POA
27h 46m
2 stops
GOL Logo
5:30 pm - 9:40 am
POA
-
ATL
17h 10m
2 stops
$830GOL
Thu, Jun 11 - Sat, Jun 20
Multiple Airlines Logo
5:11 pm - 12:20 am
ATL
-
POA
30h 09m
1 stop
Multiple Airlines Logo
1:20 am - 7:11 pm
POA
-
ATL
18h 51m
2 stops
$836Multiple Airlines
Thu, Jun 11 - Wed, Jun 17
GOL Logo
7:01 am - 11:40 pm
ATL
-
POA
15h 39m
2 stops
GOL Logo
5:10 am - 11:59 pm
POA
-
ATL
19h 49m
2 stops
$846GOL
Wed, Jun 10 - Fri, Jun 19

Delta flights from Atlanta to Porto Alegre

Our best Delta deals on Atlanta to Porto Alegre flight tickets
Delta
Sep 17
ATL7:00 pmAtlanta Hartsfield-Jackson
13h 15m
1 stop
POA9:15 amPorto Alegre Salgado Filho
Nov 16
POA7:25 amPorto Alegre Salgado Filho
14h 05m
1 stop
ATL7:30 pmAtlanta Hartsfield-Jackson
$925
Delta
Sep 17
ATL7:00 pmAtlanta Hartsfield-Jackson
15h 15m
1 stop
POA11:15 amPorto Alegre Salgado Filho
Nov 16
POA7:25 amPorto Alegre Salgado Filho
14h 05m
1 stop
ATL7:30 pmAtlanta Hartsfield-Jackson
$975
Delta
Jun 10
ATL6:55 pmAtlanta Hartsfield-Jackson
18h 20m
1 stop
POA2:15 pmPorto Alegre Salgado Filho
Jun 18
POA7:25 amPorto Alegre Salgado Filho
14h 10m
1 stop
ATL8:35 pmAtlanta Hartsfield-Jackson
$1,045

GOL flights from Atlanta to Porto Alegre

Our best GOL deals on Atlanta to Porto Alegre flight tickets
GOL
Sep 19
ATL6:41 pmAtlanta Hartsfield-Jackson
27h 54m
2 stops
POA11:35 pmPorto Alegre Salgado Filho
Nov 25
POA5:20 amPorto Alegre Salgado Filho
20h 37m
2 stops
ATL11:57 pmAtlanta Hartsfield-Jackson
$759
GOL
Sep 17
ATL6:41 pmAtlanta Hartsfield-Jackson
15h 49m
2 stops
POA11:30 amPorto Alegre Salgado Filho
Nov 16
POA5:20 amPorto Alegre Salgado Filho
19h 36m
2 stops
ATL10:56 pmAtlanta Hartsfield-Jackson
$800
GOL
Sep 20
ATL6:41 pmAtlanta Hartsfield-Jackson
15h 49m
2 stops
POA11:30 amPorto Alegre Salgado Filho
Nov 26
POA5:20 amPorto Alegre Salgado Filho
20h 37m
2 stops
ATL11:57 pmAtlanta Hartsfield-Jackson
$807

momondo Fare Finder

 
Customize your flight search to find flights from Atlanta to Porto Alegre that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated May 12, 2026.
Use the filters below to find and compare flights from Atlanta to Porto Alegre that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Sat 9/19

6:41 pm-11:35 pm

2 stops27h 54m

Porto Alegre Salgado Filho

Wed 11/25

5:20 am-11:57 pm

2 stops20h 37m

$759

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Thu 6/11

5:11 pm-12:20 am

1 stop30h 09m

Porto Alegre Salgado Filho

Tue 6/16

1:20 am-9:52 am

2 stops33h 32m

$764

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Thu 6/11

5:11 pm-12:20 am

1 stop30h 09m

Porto Alegre Salgado Filho

Sun 6/21

1:20 am-7:11 am

2 stops30h 51m

$787
Quickest round-trip

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Thu 9/17

6:41 pm-11:30 am

2 stops15h 49m

Porto Alegre Salgado Filho

Mon 11/16

5:20 am-10:56 pm

2 stops19h 36m

$800

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Thu 6/11

5:11 pm-12:20 am

1 stop30h 09m

Porto Alegre Salgado Filho

Mon 6/22

1:20 am-7:11 pm

2 stops18h 51m

$803

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Sun 9/20

6:41 pm-11:30 am

2 stops15h 49m

Porto Alegre Salgado Filho

Thu 11/26

5:20 am-11:57 pm

2 stops20h 37m

$807

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Thu 6/11

5:11 pm-12:20 am

1 stop30h 09m

Porto Alegre Salgado Filho

Sun 6/21

5:10 am-9:52 am

2 stops29h 42m

$816

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Thu 6/11

6:54 pm-11:40 pm

2 stops27h 46m

Porto Alegre Salgado Filho

Sat 6/20

5:30 pm-9:40 am

2 stops17h 10m

$830

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Thu 6/11

5:11 pm-12:20 am

1 stop30h 09m

Porto Alegre Salgado Filho

Wed 6/17

1:20 am-7:11 pm

2 stops18h 51m

$836

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Wed 6/10

7:01 am-11:40 pm

2 stops15h 39m

Porto Alegre Salgado Filho

Fri 6/19

5:10 am-11:59 pm

2 stops19h 49m

$846

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Porto Alegre from

How to get the cheapest flight ticket from Atlanta to Porto Alegre

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Atlanta and Porto Alegre?

What is the cheapest month to fly to Porto Alegre?

The cheapest month to fly to Porto Alegre from Atlanta is in October. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you’re not able to fly to Porto Alegre in October, then November is your next best option. Flight prices from Atlanta to Porto Alegre during November average around $823.

Can stopping save me money on Atlanta to Porto Alegre flights?

You could potentially save up to 41% on your flight if you consider stops on a Atlanta to Porto Alegre flight.

When to book flights from Atlanta to Porto Alegre

Are you open to changing your travel dates? Check out the ideal times to fly from Atlanta to Porto Alegre according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Atlanta to Porto Alegre (ATL to POA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Atlanta to Porto Alegre

Fastest flight time

13h 00m

Direct flights

None
The fastest flight from Atlanta to Porto Alegre takes 13h 00m
There are no direct flights from Atlanta to Porto Alegre. There are no popular flight routes from Atlanta to Porto Alegre.
Search flight deals

Frequently asked questions about flying from Atlanta to Porto Alegre

  • How far is Atlanta Hartsfield-Jackson to Porto Alegre Salgado Filho by plane?

    The distance between Atlanta Hartsfield-Jackson and Porto Alegre Salgado Filho is about 4907.0 mi. 13h 00m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Atlanta Hartsfield-Jackson Airport to Porto Alegre Salgado Filho Airport?

    Prices for flights from Atlanta Hartsfield-Jackson Airport to Porto Alegre Salgado Filho Airport are updated daily.

  • How many operators does momondo search for flights from Atlanta Hartsfield-Jackson Airport to Porto Alegre Salgado Filho Airport?

  • How old do you have to be to fly from Atlanta Hartsfield-Jackson Airport to Porto Alegre Salgado Filho Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Atlanta Hartsfield-Jackson Airport to Porto Alegre Salgado Filho Airport.

  • What documentation or ID do you need to fly to Porto Alegre Salgado Filho Airport?

    The travel and health documents required for your trip to Porto Alegre Salgado Filho Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Porto Alegre Salgado Filho Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Atlanta to Porto Alegre?

Best airlines flying from Atlanta to Porto Alegre

Compare and see reviews for airlines that fly from Atlanta to Porto Alegre with momondo
Airline
Rating
Free Cancellation
Price
Copa AirlinesPriceFrom $493Free CancellationRating
7.5
1,584 reviews
Search Copa Airlines flights
DeltaPriceFrom $916Free CancellationRating
7.9
8,448 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Atlanta to Porto Alegre?

It is quick and easy to find Atlanta to Porto Alegre flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Porto Alegre that suits you.

Can I find flights from Atlanta to Porto Alegre with flexible booking policies on momondo?

momondo does allow users to show only those flights to Porto Alegre from Atlanta which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Atlanta to Porto Alegre?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Atlanta to Porto Alegre.

I’m not ready to book a flight from Atlanta to Porto Alegre right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Atlanta to Porto Alegre flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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