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Cheap flights from Atlanta to Porto Alegre from $438

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 11/12. 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.
GOL Logo
2:44 pm - 11:30 amATL-POA
19h 46m2 stops
GOL Logo
5:20 pm - 11:31 pmPOA-ATL
31h 11m2 stops
$766GOL
Find Deal
Tue, Mar 17 - Thu, Mar 19
GOL Logo
12:37 pm - 11:30 amATL-POA
21h 53m2 stops
GOL Logo
5:20 pm - 11:31 pmPOA-ATL
31h 11m2 stops
$767GOL
Find Deal
Tue, Mar 17 - Thu, Mar 19
Multiple Airlines Logo
9:07 am - 12:40 amATL-POA
37h 33m3 stops
Multiple Airlines Logo
4:55 pm - 9:15 pmPOA-ATL
30h 20m3 stops
$920Multiple Airlines
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Fri, Dec 12 - Sat, Jan 31
Multiple Airlines Logo
5:45 am - 12:30 amATL-POA
40h 45m2 stops
Multiple Airlines Logo
7:45 am - 7:35 pmPOA-ATL
13h 50m1 stop
$954Multiple Airlines
Find Deal
Fri, Nov 28 - Mon, Jan 12
LATAM Airlines Logo
8:30 pm - 5:00 pmATL-POA
18h 30m1 stop
LATAM Airlines Logo
7:45 am - 7:35 pmPOA-ATL
13h 50m1 stop
$1,047LATAM Airlines
Find Deal
Thu, Jan 22 - Thu, Feb 19
LATAM Airlines Logo
8:30 pm - 5:00 pmATL-POA
18h 30m1 stop
LATAM Airlines Logo
10:05 am - 7:45 amPOA-ATL
23h 40m1 stop
$1,049LATAM Airlines
Find Deal
Thu, Jan 22 - Wed, Feb 18
United Airlines Logo
11:45 am - 2:40 pmATL-POA
24h 55m2 stops
United Airlines Logo
5:10 pm - 10:16 amPOA-ATL
19h 06m2 stops
$1,188United Airlines
Find Deal
Mon, Jan 19 - Mon, Feb 23
United Airlines Logo
7:15 pm - 2:40 pmATL-POA
41h 25m2 stops
United Airlines Logo
6:10 pm - 10:16 amPOA-ATL
18h 06m2 stops
$1,197United Airlines
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Sun, Jan 18 - Tue, Feb 17
Delta Logo
2:30 pm - 11:35 amATL-POA
19h 05m2 stops
Delta Logo
7:45 am - 7:35 pmPOA-ATL
13h 50m1 stop
$1,226Delta
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Tue, Jan 20 - Sat, Feb 21
Delta Logo
6:15 pm - 9:15 amATL-POA
13h 00m1 stop
Delta Logo
5:55 pm - 7:45 amPOA-ATL
15h 50m1 stop
$1,228Delta
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Mon, Jan 19 - Fri, Feb 20

GOL flights from Atlanta to Porto Alegre

Our best GOL deals on Atlanta to Porto Alegre flight tickets
GOL
Mar 17
ATL2:44 pmAtlanta Hartsfield-Jackson
19h 46m
2 stops
POA11:30 amPorto Alegre Salgado Filho
Mar 19
POA5:20 pmPorto Alegre Salgado Filho
31h 11m
2 stops
ATL11:31 pmAtlanta Hartsfield-Jackson
$766
Find similar
GOL
Mar 17
ATL12:37 pmAtlanta Hartsfield-Jackson
21h 53m
2 stops
POA11:30 amPorto Alegre Salgado Filho
Mar 19
POA5:20 pmPorto Alegre Salgado Filho
31h 11m
2 stops
ATL11:31 pmAtlanta Hartsfield-Jackson
$767
Find similar
GOL
Mar 17
ATL2:44 pmAtlanta Hartsfield-Jackson
19h 46m
2 stops
POA11:30 amPorto Alegre Salgado Filho
Mar 19
POA5:20 pmPorto Alegre Salgado Filho
31h 11m
2 stops
ATL11:31 pmAtlanta Hartsfield-Jackson
$845
Find similar

United Airlines flights from Atlanta to Porto Alegre

Our best United Airlines deals on Atlanta to Porto Alegre flight tickets
United Airlines
Jan 19
ATL11:45 amAtlanta Hartsfield-Jackson
24h 55m
2 stops
POA2:40 pmPorto Alegre Salgado Filho
Feb 23
POA5:10 pmPorto Alegre Salgado Filho
19h 06m
2 stops
ATL10:16 amAtlanta Hartsfield-Jackson
$1,188
Find similar
United Airlines
Jan 18
ATL7:15 pmAtlanta Hartsfield-Jackson
41h 25m
2 stops
POA2:40 pmPorto Alegre Salgado Filho
Feb 17
POA6:10 pmPorto Alegre Salgado Filho
18h 06m
2 stops
ATL10:16 amAtlanta Hartsfield-Jackson
$1,197
Find similar
United Airlines
Jan 17
ATL6:40 pmAtlanta Hartsfield-Jackson
42h 00m
2 stops
POA2:40 pmPorto Alegre Salgado Filho
Feb 18
POA3:25 pmPorto Alegre Salgado Filho
20h 51m
2 stops
ATL10:16 amAtlanta Hartsfield-Jackson
$1,237
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 November 5, 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

Tue 3/17

2:44 pm-11:30 am

2 stops19h 46m

Porto Alegre Salgado Filho

Thu 3/19

5:20 pm-11:31 pm

2 stops31h 11m

$766

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Tue 3/17

12:37 pm-11:30 am

2 stops21h 53m

Porto Alegre Salgado Filho

Thu 3/19

5:20 pm-11:31 pm

2 stops31h 11m

$767

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Fri 12/12

9:07 am-12:40 am

3 stops37h 33m

Porto Alegre Salgado Filho

Sat 1/31

4:55 pm-9:15 pm

3 stops30h 20m

$920

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Fri 11/28

5:45 am-12:30 am

2 stops40h 45m

Porto Alegre Salgado Filho

Mon 1/12

7:45 am-7:35 pm

1 stop13h 50m

$954

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Thu 1/22

8:30 pm-5:00 pm

1 stop18h 30m

Porto Alegre Salgado Filho

Thu 2/19

7:45 am-7:35 pm

1 stop13h 50m

$1,047

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Thu 1/22

8:30 pm-5:00 pm

1 stop18h 30m

Porto Alegre Salgado Filho

Wed 2/18

10:05 am-7:45 am

1 stop23h 40m

$1,049

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Mon 1/19

11:45 am-2:40 pm

2 stops24h 55m

Porto Alegre Salgado Filho

Mon 2/23

5:10 pm-10:16 am

2 stops19h 06m

$1,188

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Sun 1/18

7:15 pm-2:40 pm

2 stops41h 25m

Porto Alegre Salgado Filho

Tue 2/17

6:10 pm-10:16 am

2 stops18h 06m

$1,197

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Tue 1/20

2:30 pm-11:35 am

2 stops19h 05m

Porto Alegre Salgado Filho

Sat 2/21

7:45 am-7:35 pm

1 stop13h 50m

$1,226

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Mon 1/19

6:15 pm-9:15 am

1 stop13h 00m

Porto Alegre Salgado Filho

Fri 2/20

5:55 pm-7:45 am

1 stop15h 50m

$1,228

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 30% 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

Direct flights

None
There are no direct flights from Atlanta to Porto Alegre. There are no popular flight routes from Atlanta to Porto Alegre.
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  • 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
7.6
1,561 reviews
Search Copa Airlines flights
LATAM AirlinesPriceFrom $701Free CancellationRating
7.5
1,874 reviews
Search LATAM Airlines flights
DeltaPriceFrom $774Free CancellationRating
7.9
8,004 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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