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Cheap flights from Atlanta to Porto Alegre from $313

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 5/18. 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
1 adult, Economy, 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.
American Airlines Logo
10:58 am - 12:15 pm
ATL
-
POA
24h 17m
2 stops
American Airlines Logo
1:35 pm - 3:25 pm
POA
-
ATL
26h 50m
2 stops
$800American Airlines
Wed, May 13 - Wed, May 20
Multiple Airlines Logo
5:26 pm - 12:20 am
ATL
-
POA
29h 54m
1 stop
Multiple Airlines Logo
6:40 am - 11:00 am
POA
-
ATL
29h 20m
2 stops
$873Multiple Airlines
Tue, May 5 - Tue, May 12
American Airlines Logo
4:36 pm - 3:40 pm
ATL
-
POA
22h 04m
2 stops
American Airlines Logo
4:20 pm - 10:04 am
POA
-
ATL
18h 44m
2 stops
$926American Airlines
Thu, May 7 - Thu, May 14
American Airlines Logo
1:38 pm - 3:35 pm
ATL
-
POA
24h 57m
2 stops
American Airlines Logo
2:00 pm - 4:09 pm
POA
-
ATL
27h 09m
2 stops
$927American Airlines
Tue, May 5 - Tue, May 12
GOL Logo
6:53 pm - 11:40 pm
ATL
-
POA
27h 47m
2 stops
GOL Logo
5:10 am - 8:30 pm
POA
-
ATL
16h 20m
2 stops
$1,005GOL
Mon, Jul 13 - Thu, Jul 16
GOL Logo
6:53 pm - 11:30 am
ATL
-
POA
15h 37m
2 stops
GOL Logo
5:30 pm - 9:44 am
POA
-
ATL
17h 14m
2 stops
$1,045GOL
Mon, Jun 1 - Thu, Jun 11
GOL Logo
6:40 pm - 3:35 pm
ATL
-
POA
19h 55m
2 stops
GOL Logo
5:10 am - 11:59 pm
POA
-
ATL
19h 49m
2 stops
$1,110GOL
Fri, May 8 - Fri, May 15
Multiple Airlines Logo
4:40 pm - 11:30 am
ATL
-
POA
17h 50m
2 stops
Multiple Airlines Logo
7:25 am - 7:30 pm
POA
-
ATL
14h 05m
1 stop
$1,151Multiple Airlines
Sat, Aug 29 - Thu, Nov 26
Multiple Airlines Logo
4:49 pm - 5:45 pm
ATL
-
POA
23h 56m
2 stops
Multiple Airlines Logo
10:05 am - 7:48 am
POA
-
ATL
22h 43m
1 stop
$1,152Multiple Airlines
Wed, May 13 - Wed, May 20
Multiple Airlines Logo
6:53 pm - 11:40 pm
ATL
-
POA
27h 47m
2 stops
Multiple Airlines Logo
7:25 am - 8:35 pm
POA
-
ATL
14h 10m
1 stop
$1,166Multiple Airlines
Mon, Jul 13 - Thu, Jul 16

United Airlines flights from Atlanta to Porto Alegre

Our best United Airlines deals on Atlanta to Porto Alegre flight tickets
United Airlines
May 5
ATL2:37 pmAtlanta Hartsfield-Jackson
24h 43m
3 stops
POA4:20 pmPorto Alegre Salgado Filho
May 12
POA3:30 pmPorto Alegre Salgado Filho
27h 25m
2 stops
ATL5:55 pmAtlanta Hartsfield-Jackson
$1,447
United Airlines
Aug 17
ATL7:32 pmAtlanta Hartsfield-Jackson
37h 13m
2 stops
POA9:45 amPorto Alegre Salgado Filho
Aug 19
POA3:30 pmPorto Alegre Salgado Filho
20h 01m
2 stops
ATL10:31 amAtlanta Hartsfield-Jackson
$1,588
United Airlines
May 7
ATL2:37 pmAtlanta Hartsfield-Jackson
24h 43m
3 stops
POA4:20 pmPorto Alegre Salgado Filho
May 14
POA3:55 pmPorto Alegre Salgado Filho
20h 34m
2 stops
ATL11:29 amAtlanta Hartsfield-Jackson
$1,878

LATAM Airlines flights from Atlanta to Porto Alegre

Our best LATAM Airlines deals on Atlanta to Porto Alegre flight tickets
LATAM Airlines
Aug 29
ATL6:50 pmAtlanta Hartsfield-Jackson
15h 25m
1 stop
POA11:15 amPorto Alegre Salgado Filho
Nov 26
POA7:25 amPorto Alegre Salgado Filho
14h 05m
1 stop
ATL7:30 pmAtlanta Hartsfield-Jackson
$1,413
LATAM Airlines
May 13
ATL7:05 pmAtlanta Hartsfield-Jackson
18h 10m
1 stop
POA2:15 pmPorto Alegre Salgado Filho
May 20
POA5:50 pmPorto Alegre Salgado Filho
14h 58m
1 stop
ATL7:48 amAtlanta Hartsfield-Jackson
$1,426
LATAM Airlines
Jun 1
ATL10:05 pmAtlanta Hartsfield-Jackson
19h 10m
1 stop
POA6:15 pmPorto Alegre Salgado Filho
Jun 11
POA2:00 pmPorto Alegre Salgado Filho
16h 56m
1 stop
ATL5:56 amAtlanta Hartsfield-Jackson
$1,438

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 March 26, 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

Wed 5/13

10:58 am-12:15 pm

2 stops24h 17m

Porto Alegre Salgado Filho

Wed 5/20

1:35 pm-3:25 pm

2 stops26h 50m

$800

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Tue 5/5

5:26 pm-12:20 am

1 stop29h 54m

Porto Alegre Salgado Filho

Tue 5/12

6:40 am-11:00 am

2 stops29h 20m

$873

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Thu 5/7

4:36 pm-3:40 pm

2 stops22h 04m

Porto Alegre Salgado Filho

Thu 5/14

4:20 pm-10:04 am

2 stops18h 44m

$926

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Tue 5/5

1:38 pm-3:35 pm

2 stops24h 57m

Porto Alegre Salgado Filho

Tue 5/12

2:00 pm-4:09 pm

2 stops27h 09m

$927

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Mon 7/13

6:53 pm-11:40 pm

2 stops27h 47m

Porto Alegre Salgado Filho

Thu 7/16

5:10 am-8:30 pm

2 stops16h 20m

$1,005

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Mon 6/1

6:53 pm-11:30 am

2 stops15h 37m

Porto Alegre Salgado Filho

Thu 6/11

5:30 pm-9:44 am

2 stops17h 14m

$1,045

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Fri 5/8

6:40 pm-3:35 pm

2 stops19h 55m

Porto Alegre Salgado Filho

Fri 5/15

5:10 am-11:59 pm

2 stops19h 49m

$1,110
Quickest round-trip

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Sat 8/29

4:40 pm-11:30 am

2 stops17h 50m

Porto Alegre Salgado Filho

Thu 11/26

7:25 am-7:30 pm

1 stop14h 05m

$1,151

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Wed 5/13

4:49 pm-5:45 pm

2 stops23h 56m

Porto Alegre Salgado Filho

Wed 5/20

10:05 am-7:48 am

1 stop22h 43m

$1,152

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Mon 7/13

6:53 pm-11:40 pm

2 stops27h 47m

Porto Alegre Salgado Filho

Thu 7/16

7:25 am-8:35 pm

1 stop14h 10m

$1,166

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

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

17h 50m

Direct flights

None
The fastest flight from Atlanta to Porto Alegre takes 17h 50m
There are no direct flights from Atlanta to Porto Alegre. There are no popular flight routes from Atlanta to Porto Alegre.
Search flight deals

  • 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. 17h 50m 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
1,577 reviews
Search Copa Airlines flights
DeltaPriceFrom $815Free CancellationRating
7.9
8,330 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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