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Cheap flights from Atlanta to Porto Alegre from $252

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 9/8. 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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Find the cheapest flights from Atlanta to Porto Alegre

Cheap round-trip flights

GOL Logo
11:24 am - 11:30 amATL-POA
23h 06m2 stops
GOL Logo
5:20 am - 11:44 pmPOA-ATL
19h 24m2 stops
$637GOL
Find Deal
Wed, Sep 10 - Wed, Sep 17
Logo
9:59 am - 8:00 pmATL-POA
33h 01m3 stops
Logo
3:25 pm - 8:12 pmPOA-ATL
29h 47m3 stops
$671
Find Deal
Wed, Sep 10 - Wed, Sep 17
Logo
9:20 pm - 11:55 pmATL-POA
25h 35m2 stops
Logo
11:25 am - 8:12 pmPOA-ATL
33h 47m3 stops
$685
Find Deal
Wed, Sep 10 - Wed, Sep 17
Logo
11:42 am - 4:10 pmATL-POA
27h 28m3 stops
Logo
8:55 pm - 8:12 pmPOA-ATL
24h 17m3 stops
$842
Find Deal
Thu, Aug 28 - Thu, Sep 4
Copa Airlines Logo
4:10 pm - 5:50 pmATL-POA
24h 40m2 stops
Copa Airlines Logo
1:27 am - 2:45 pmPOA-ATL
14h 18m1 stop
$1,010Copa Airlines
Find Deal
Thu, Aug 28 - Wed, Sep 3
Copa Airlines Logo
7:35 pm - 12:15 amATL-POA
27h 40m2 stops
Copa Airlines Logo
1:27 am - 2:45 pmPOA-ATL
14h 18m1 stop
$1,035Copa Airlines
Find Deal
Tue, Aug 26 - Mon, Sep 1
Delta Logo
10:15 pm - 6:30 amATL-POA
30h 15m1 stop
Delta Logo
7:45 am - 6:35 amPOA-ATL
24h 50m1 stop
$1,222Delta
Find Deal
Mon, Dec 15 - Mon, Jan 12
LATAM Airlines Logo
7:55 pm - 5:00 pmATL-POA
19h 05m1 stop
LATAM Airlines Logo
2:45 pm - 2:12 pmPOA-ATL
25h 27m2 stops
$1,224LATAM Airlines
Find Deal
Tue, Dec 16 - Wed, Jan 7
Delta Logo
2:30 pm - 11:35 amATL-POA
19h 05m2 stops
Delta Logo
7:45 am - 6:35 amPOA-ATL
24h 50m1 stop
$1,228Delta
Find Deal
Mon, Dec 15 - Mon, Jan 12
LATAM Airlines Logo
10:05 pm - 7:20 pmATL-POA
19h 15m1 stop
LATAM Airlines Logo
8:10 pm - 2:12 pmPOA-ATL
20h 02m2 stops
$1,230LATAM Airlines
Find Deal
Mon, Dec 15 - Wed, Jan 7

LATAM Airlines flights from Atlanta to Porto Alegre

Our best LATAM Airlines deals on Atlanta to Porto Alegre flight tickets
LATAM Airlines
Dec 16
ATL7:55 pmAtlanta Hartsfield-Jackson
19h 05m
1 stop
POA5:00 pmPorto Alegre Salgado Filho
Jan 7
POA2:45 pmPorto Alegre Salgado Filho
25h 27m
2 stops
ATL2:12 pmAtlanta Hartsfield-Jackson
$1,224
Find similar
LATAM Airlines
Dec 15
ATL10:05 pmAtlanta Hartsfield-Jackson
19h 15m
1 stop
POA7:20 pmPorto Alegre Salgado Filho
Jan 7
POA8:10 pmPorto Alegre Salgado Filho
20h 02m
2 stops
ATL2:12 pmAtlanta Hartsfield-Jackson
$1,230
Find similar
LATAM Airlines
Dec 18
ATL2:52 pmAtlanta Hartsfield-Jackson
16h 28m
2 stops
POA9:20 amPorto Alegre Salgado Filho
Jan 17
POA7:45 amPorto Alegre Salgado Filho
13h 50m
1 stop
ATL7:35 pmAtlanta Hartsfield-Jackson
$1,261
Find similar

GOL flights from Atlanta to Porto Alegre

Our best GOL deals on Atlanta to Porto Alegre flight tickets
GOL
Sep 10
ATL11:24 amAtlanta Hartsfield-Jackson
23h 06m
2 stops
POA11:30 amPorto Alegre Salgado Filho
Sep 17
POA5:20 amPorto Alegre Salgado Filho
19h 24m
2 stops
ATL11:44 pmAtlanta Hartsfield-Jackson
$637
Find similar
GOL
Aug 26
ATL11:38 amAtlanta Hartsfield-Jackson
35h 02m
2 stops
POA11:40 pmPorto Alegre Salgado Filho
Sep 2
POA5:15 amPorto Alegre Salgado Filho
30h 23m
2 stops
ATL10:38 amAtlanta Hartsfield-Jackson
$1,121
Find similar
GOL
Nov 27
ATL7:49 pmAtlanta Hartsfield-Jackson
37h 46m
2 stops
POA11:35 amPorto Alegre Salgado Filho
Dec 3
POA5:10 amPorto Alegre Salgado Filho
16h 25m
2 stops
ATL7:35 pmAtlanta Hartsfield-Jackson
$1,157
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 July 29, 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

Wed 9/10

11:24 am-11:30 am

2 stops23h 06m

Porto Alegre Salgado Filho

Wed 9/17

5:20 am-11:44 pm

2 stops19h 24m

$637

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Wed 9/10

9:59 am-8:00 pm

3 stops33h 01m

Porto Alegre Salgado Filho

Wed 9/17

3:25 pm-8:12 pm

3 stops29h 47m

$671

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Wed 9/10

9:20 pm-11:55 pm

2 stops25h 35m

Porto Alegre Salgado Filho

Wed 9/17

11:25 am-8:12 pm

3 stops33h 47m

$685

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Thu 8/28

11:42 am-4:10 pm

3 stops27h 28m

Porto Alegre Salgado Filho

Thu 9/4

8:55 pm-8:12 pm

3 stops24h 17m

$842

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Thu 8/28

4:10 pm-5:50 pm

2 stops24h 40m

Porto Alegre Salgado Filho

Wed 9/3

1:27 am-2:45 pm

1 stop14h 18m

$1,010

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Tue 8/26

7:35 pm-12:15 am

2 stops27h 40m

Porto Alegre Salgado Filho

Mon 9/1

1:27 am-2:45 pm

1 stop14h 18m

$1,035

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Mon 12/15

10:15 pm-6:30 am

1 stop30h 15m

Porto Alegre Salgado Filho

Mon 1/12

7:45 am-6:35 am

1 stop24h 50m

$1,222

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Tue 12/16

7:55 pm-5:00 pm

1 stop19h 05m

Porto Alegre Salgado Filho

Wed 1/7

2:45 pm-2:12 pm

2 stops25h 27m

$1,224

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Mon 12/15

2:30 pm-11:35 am

2 stops19h 05m

Porto Alegre Salgado Filho

Mon 1/12

7:45 am-6:35 am

1 stop24h 50m

$1,228

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Mon 12/15

10:05 pm-7:20 pm

1 stop19h 15m

Porto Alegre Salgado Filho

Wed 1/7

8:10 pm-2:12 pm

2 stops20h 02m

$1,230

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 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 51% 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

Best Price Found

$252

Fastest flight time

12h 45m

Direct flights

None

Airports in Porto Alegre

1 airport
The best one-way flight to Porto Alegre from Atlanta in the past 72 hours is $252. The best round-trip flight deal from Atlanta to Porto Alegre found on momondo in the last 72 hours is $637.
The fastest flight from Atlanta to Porto Alegre takes 12h 45m
There are no direct flights from Atlanta to Porto Alegre. Popular non-direct route for this connection is Atlanta Hartsfield-Jackson Airport - Porto Alegre Salgado Filho Airport.
There is 1 airport near Porto Alegre: Porto Alegre Salgado Filho (POA)
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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 35m 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 $560Free CancellationRating
7.5
1,493 reviews
Search Copa Airlines flights
LATAM AirlinesPriceFrom $701Free CancellationRating
7.5
1,822 reviews
Search LATAM Airlines flights
DeltaPriceFrom $774Free CancellationRating
8.0
7,979 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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