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Cheap flights from Atlanta to Porto Alegre from $256

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 3/10. 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.
American Airlines Logo
8:08 pm - 12:30 pm
ATL
-
POA
15h 22m
2 stops
American Airlines Logo
1:20 pm - 10:04 am
POA
-
ATL
21h 44m
2 stops
$670American Airlines
Sat, Mar 14 - Wed, Apr 8
Multiple Airlines Logo
6:14 pm - 10:05 pm
ATL
-
POA
26h 51m
3 stops
Multiple Airlines Logo
6:05 pm - 12:39 am
POA
-
ATL
31h 34m
3 stops
$690Multiple Airlines
Sat, Mar 14 - Wed, Apr 8
Multiple Airlines Logo
6:00 am - 6:50 pm
ATL
-
POA
34h 50m
2 stops
Multiple Airlines Logo
8:10 pm - 12:39 am
POA
-
ATL
29h 29m
3 stops
$701Multiple Airlines
Wed, Mar 4 - Sat, Mar 14
Multiple Airlines Logo
5:25 am - 9:50 am
ATL
-
POA
26h 25m
3 stops
Multiple Airlines Logo
8:10 pm - 12:39 am
POA
-
ATL
29h 29m
3 stops
$715Multiple Airlines
Wed, Mar 4 - Sat, Mar 14
Multiple Airlines Logo
6:14 pm - 10:05 pm
ATL
-
POA
26h 51m
3 stops
Multiple Airlines Logo
6:40 pm - 10:22 am
POA
-
ATL
16h 42m
2 stops
$780Multiple Airlines
Sat, Mar 14 - Wed, Apr 8
Multiple Airlines Logo
6:00 am - 1:15 pm
ATL
-
POA
29h 15m
2 stops
Multiple Airlines Logo
5:15 am - 12:39 am
POA
-
ATL
20h 24m
2 stops
$796Multiple Airlines
Wed, Mar 4 - Sat, Mar 14
GOL Logo
4:49 pm - 11:40 pm
ATL
-
POA
29h 51m
2 stops
GOL Logo
2:00 pm - 9:49 am
POA
-
ATL
20h 49m
2 stops
$854GOL
Sun, May 3 - Wed, May 20
GOL Logo
8:08 pm - 11:30 am
ATL
-
POA
37h 22m
2 stops
GOL Logo
5:10 am - 9:22 pm
POA
-
ATL
17h 12m
2 stops
$1,014GOL
Wed, Mar 4 - Sat, Mar 14
GOL Logo
2:22 pm - 9:35 am
ATL
-
POA
41h 13m
2 stops
GOL Logo
1:40 pm - 11:58 pm
POA
-
ATL
35h 18m
2 stops
$1,025GOL
Fri, Mar 6 - Sat, Mar 14
American Airlines Logo
4:29 pm - 10:35 am
ATL
-
POA
17h 06m
2 stops
American Airlines Logo
5:55 pm - 4:23 pm
POA
-
ATL
23h 28m
2 stops
$1,033American Airlines
Fri, Mar 20 - Fri, Mar 27

United Airlines flights from Atlanta to Porto Alegre

Our best United Airlines deals on Atlanta to Porto Alegre flight tickets
United Airlines
Mar 19
ATL7:29 pmAtlanta Hartsfield-Jackson
19h 56m
2 stops
POA4:25 pmPorto Alegre Salgado Filho
Mar 26
POA3:30 pmPorto Alegre Salgado Filho
24h 19m
2 stops
ATL2:49 pmAtlanta Hartsfield-Jackson
$1,318
United Airlines
Mar 19
ATL2:39 pmAtlanta Hartsfield-Jackson
24h 46m
3 stops
POA4:25 pmPorto Alegre Salgado Filho
Mar 26
POA3:30 pmPorto Alegre Salgado Filho
20h 10m
2 stops
ATL10:40 amAtlanta Hartsfield-Jackson
$1,405
United Airlines
Mar 1
ATL7:00 pmAtlanta Hartsfield-Jackson
41h 10m
2 stops
POA2:10 pmPorto Alegre Salgado Filho
Mar 5
POA3:30 pmPorto Alegre Salgado Filho
20h 50m
2 stops
ATL10:20 amAtlanta Hartsfield-Jackson
$1,500

American Airlines flights from Atlanta to Porto Alegre

Our best American Airlines deals on Atlanta to Porto Alegre flight tickets
American Airlines
Mar 14
ATL8:08 pmAtlanta Hartsfield-Jackson
15h 22m
2 stops
POA12:30 pmPorto Alegre Salgado Filho
Apr 8
POA1:20 pmPorto Alegre Salgado Filho
21h 44m
2 stops
ATL10:04 amAtlanta Hartsfield-Jackson
$670
American Airlines
Mar 20
ATL4:29 pmAtlanta Hartsfield-Jackson
17h 06m
2 stops
POA10:35 amPorto Alegre Salgado Filho
Mar 27
POA5:55 pmPorto Alegre Salgado Filho
23h 28m
2 stops
ATL4:23 pmAtlanta Hartsfield-Jackson
$1,033

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 February 4, 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

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Sat 3/14

8:08 pm-12:30 pm

2 stops15h 22m

Porto Alegre Salgado Filho

Wed 4/8

1:20 pm-10:04 am

2 stops21h 44m

$670

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Sat 3/14

6:14 pm-10:05 pm

3 stops26h 51m

Porto Alegre Salgado Filho

Wed 4/8

6:05 pm-12:39 am

3 stops31h 34m

$690

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Wed 3/4

6:00 am-6:50 pm

2 stops34h 50m

Porto Alegre Salgado Filho

Sat 3/14

8:10 pm-12:39 am

3 stops29h 29m

$701

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Wed 3/4

5:25 am-9:50 am

3 stops26h 25m

Porto Alegre Salgado Filho

Sat 3/14

8:10 pm-12:39 am

3 stops29h 29m

$715

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Sat 3/14

6:14 pm-10:05 pm

3 stops26h 51m

Porto Alegre Salgado Filho

Wed 4/8

6:40 pm-10:22 am

2 stops16h 42m

$780

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Wed 3/4

6:00 am-1:15 pm

2 stops29h 15m

Porto Alegre Salgado Filho

Sat 3/14

5:15 am-12:39 am

2 stops20h 24m

$796

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Sun 5/3

4:49 pm-11:40 pm

2 stops29h 51m

Porto Alegre Salgado Filho

Wed 5/20

2:00 pm-9:49 am

2 stops20h 49m

$854

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Wed 3/4

8:08 pm-11:30 am

2 stops37h 22m

Porto Alegre Salgado Filho

Sat 3/14

5:10 am-9:22 pm

2 stops17h 12m

$1,014

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Fri 3/6

2:22 pm-9:35 am

2 stops41h 13m

Porto Alegre Salgado Filho

Sat 3/14

1:40 pm-11:58 pm

2 stops35h 18m

$1,025

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Fri 3/20

4:29 pm-10:35 am

2 stops17h 06m

Porto Alegre Salgado Filho

Fri 3/27

5:55 pm-4:23 pm

2 stops23h 28m

$1,033

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

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

You could potentially save up to 55% 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

26h 51m

Direct flights

None
The fastest flight from Atlanta to Porto Alegre takes 26h 51m
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. 26h 51m 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
1,556 reviews
Search Copa Airlines flights
DeltaPriceFrom $815Free CancellationRating
7.9
8,141 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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