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Cheap flights from Atlanta to Porto Alegre from $280

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 1/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
Copa Airlines Logo
4:29 pm - 12:25 am
ATL
-
POA
29h 56m1 stop
Copa Airlines Logo
1:30 am - 2:46 pm
POA
-
ATL
15h 16m1 stop
$651Copa Airlines
Sun, Feb 1 - Sat, Feb 7
Copa Airlines Logo
4:29 pm - 12:25 am
ATL
-
POA
29h 56m1 stop
Copa Airlines Logo
1:30 am - 2:46 pm
POA
-
ATL
15h 16m1 stop
$667Copa Airlines
Sun, Feb 1 - Sat, Feb 7
Multiple Airlines Logo
4:29 pm - 12:25 am
ATL
-
POA
29h 56m1 stop
Multiple Airlines Logo
5:20 pm - 9:02 am
POA
-
ATL
17h 42m2 stops
$691Multiple Airlines
Sun, Feb 1 - Sun, Feb 8
Multiple Airlines Logo
4:29 pm - 12:25 am
ATL
-
POA
29h 56m1 stop
Multiple Airlines Logo
5:20 pm - 9:02 am
POA
-
ATL
17h 42m2 stops
$716Multiple Airlines
Sun, Feb 1 - Sun, Feb 8
GOL Logo
4:29 pm - 11:30 am
ATL
-
POA
18h 01m2 stops
GOL Logo
5:30 pm - 11:03 pm
POA
-
ATL
30h 33m2 stops
$750GOL
Wed, Mar 25 - Wed, May 6
GOL Logo
6:49 pm - 11:45 pm
ATL
-
POA
26h 56m2 stops
GOL Logo
5:10 am - 10:37 am
POA
-
ATL
31h 27m2 stops
$842GOL
Sun, Feb 1 - Sun, Feb 8
Multiple Airlines Logo
9:57 am - 5:00 pm
ATL
-
POA
29h 03m2 stops
Multiple Airlines Logo
6:40 am - 11:25 pm
POA
-
ATL
18h 45m2 stops
$845Multiple Airlines
Sun, Jan 11 - Wed, Jan 28
GOL Logo
6:49 pm - 11:45 pm
ATL
-
POA
26h 56m2 stops
GOL Logo
5:10 am - 9:47 pm
POA
-
ATL
18h 37m2 stops
$868GOL
Sun, Feb 1 - Sun, Feb 8
Multiple Airlines Logo
9:57 am - 8:20 am
ATL
-
POA
20h 23m3 stops
Multiple Airlines Logo
3:15 pm - 11:08 pm
POA
-
ATL
33h 53m3 stops
$883Multiple Airlines
Sun, Feb 1 - Sun, Feb 8
Multiple Airlines Logo
9:57 am - 8:20 am
ATL
-
POA
20h 23m3 stops
Multiple Airlines Logo
3:15 pm - 11:08 pm
POA
-
ATL
33h 53m3 stops
$885Multiple Airlines
Sun, Feb 1 - Sun, Feb 8

Copa Airlines flights from Atlanta to Porto Alegre

Our best Copa Airlines deals on Atlanta to Porto Alegre flight tickets
Copa Airlines
Feb 1
ATL4:29 pmAtlanta Hartsfield-Jackson
29h 56m
1 stop
POA12:25 amPorto Alegre Salgado Filho
Feb 7
POA1:30 amPorto Alegre Salgado Filho
15h 16m
1 stop
ATL2:46 pmAtlanta Hartsfield-Jackson
$651
Find similar
Copa Airlines
Feb 1
ATL4:29 pmAtlanta Hartsfield-Jackson
29h 56m
1 stop
POA12:25 amPorto Alegre Salgado Filho
Feb 7
POA1:30 amPorto Alegre Salgado Filho
15h 16m
1 stop
ATL2:46 pmAtlanta Hartsfield-Jackson
$667
Find similar

GOL flights from Atlanta to Porto Alegre

Our best GOL deals on Atlanta to Porto Alegre flight tickets
GOL
Mar 25
ATL4:29 pmAtlanta Hartsfield-Jackson
18h 01m
2 stops
POA11:30 amPorto Alegre Salgado Filho
May 6
POA5:30 pmPorto Alegre Salgado Filho
30h 33m
2 stops
ATL11:03 pmAtlanta Hartsfield-Jackson
$750
Find similar
GOL
Feb 1
ATL6:49 pmAtlanta Hartsfield-Jackson
26h 56m
2 stops
POA11:45 pmPorto Alegre Salgado Filho
Feb 8
POA5:10 amPorto Alegre Salgado Filho
31h 27m
2 stops
ATL10:37 amAtlanta Hartsfield-Jackson
$842
Find similar
GOL
Feb 1
ATL6:49 pmAtlanta Hartsfield-Jackson
26h 56m
2 stops
POA11:45 pmPorto Alegre Salgado Filho
Feb 8
POA5:10 amPorto Alegre Salgado Filho
18h 37m
2 stops
ATL9:47 pmAtlanta Hartsfield-Jackson
$868
Find similar

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 December 21, 2025.
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

Sun 2/1

4:29 pm-12:25 am

1 stop29h 56m

Porto Alegre Salgado Filho

Sat 2/7

1:30 am-2:46 pm

1 stop15h 16m

$651

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Sun 2/1

4:29 pm-12:25 am

1 stop29h 56m

Porto Alegre Salgado Filho

Sat 2/7

1:30 am-2:46 pm

1 stop15h 16m

$667

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Sun 2/1

4:29 pm-12:25 am

1 stop29h 56m

Porto Alegre Salgado Filho

Sun 2/8

5:20 pm-9:02 am

2 stops17h 42m

$691

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Sun 2/1

4:29 pm-12:25 am

1 stop29h 56m

Porto Alegre Salgado Filho

Sun 2/8

5:20 pm-9:02 am

2 stops17h 42m

$716

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Wed 3/25

4:29 pm-11:30 am

2 stops18h 01m

Porto Alegre Salgado Filho

Wed 5/6

5:30 pm-11:03 pm

2 stops30h 33m

$750

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Sun 2/1

6:49 pm-11:45 pm

2 stops26h 56m

Porto Alegre Salgado Filho

Sun 2/8

5:10 am-10:37 am

2 stops31h 27m

$842

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Sun 1/11

9:57 am-5:00 pm

2 stops29h 03m

Porto Alegre Salgado Filho

Wed 1/28

6:40 am-11:25 pm

2 stops18h 45m

$845

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Sun 2/1

6:49 pm-11:45 pm

2 stops26h 56m

Porto Alegre Salgado Filho

Sun 2/8

5:10 am-9:47 pm

2 stops18h 37m

$868

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Sun 2/1

9:57 am-8:20 am

3 stops20h 23m

Porto Alegre Salgado Filho

Sun 2/8

3:15 pm-11:08 pm

3 stops33h 53m

$883

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Sun 2/1

9:57 am-8:20 am

3 stops20h 23m

Porto Alegre Salgado Filho

Sun 2/8

3:15 pm-11:08 pm

3 stops33h 53m

$885

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 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 day to depart on your flight to Porto Alegre?

Our data shows that Friday is the least expensive day to fly to Porto Alegre. Tickets to fly out on this day can be as low as $525. On the other hand, Saturday is the most expensive day to depart from Atlanta because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $881.

What is the cheapest time of day to depart on your flight to Porto Alegre?

Our most recent data shows that the best time of day to fly to Porto Alegre is at noon. Flights from Atlanta to Porto Alegre during this time can be as low as $618. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $750 on average. Flights to Porto Alegre from Atlanta in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

18h 01m

Direct flights

None
The fastest flight from Atlanta to Porto Alegre takes 18h 01m
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. 18h 01m 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 $495Free CancellationRating
7.6
1,558 reviews
Search Copa Airlines flights
LATAM AirlinesPriceFrom $701Free CancellationRating
7.5
1,893 reviews
Search LATAM Airlines flights
DeltaPriceFrom $774Free CancellationRating
7.9
8,021 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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