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Cheap flights from Atlanta to Porto Alegre from $350

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 10/20. 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

Discover deals from 900+ travel sites with momondo.

Travel Warning: Due to flooding, the airport may be currently closed. Check local travel advisories before booking.

Find the cheapest flights from Atlanta to Porto Alegre

Cheap round-trip flights

Enter your travel dates to find the best prices.
GOL Logo
5:08 pm - 11:45 am
ATL
-
POA
17h 37m
2 stops
GOL Logo
5:20 am - 10:31 pm
POA
-
ATL
19h 11m
2 stops
$727GOL
Wed, Oct 7 - Sat, Dec 5
GOL Logo
9:17 am - 11:45 am
ATL
-
POA
25h 28m
2 stops
GOL Logo
5:30 pm - 11:19 pm
POA
-
ATL
30h 49m
2 stops
$731GOL
Thu, Oct 8 - Thu, Oct 22
GOL Logo
1:09 pm - 11:40 pm
ATL
-
POA
33h 31m
2 stops
GOL Logo
5:20 am - 11:57 pm
POA
-
ATL
20h 37m
2 stops
$795GOL
Wed, Sep 16 - Wed, Nov 25
GOL Logo
6:45 pm - 11:35 pm
ATL
-
POA
27h 50m
2 stops
GOL Logo
5:20 am - 11:57 pm
POA
-
ATL
20h 37m
2 stops
$802GOL
Sat, Sep 26 - Wed, Nov 25
GOL Logo
6:45 pm - 11:40 am
ATL
-
POA
15h 55m
2 stops
GOL Logo
5:20 am - 10:56 pm
POA
-
ATL
19h 36m
2 stops
$819GOL
Sat, Sep 19 - Mon, Nov 16
GOL Logo
6:45 pm - 11:40 pm
ATL
-
POA
27h 55m
2 stops
GOL Logo
5:30 pm - 10:56 pm
POA
-
ATL
31h 26m
2 stops
$822GOL
Sun, Sep 13 - Sat, Nov 14
GOL Logo
10:35 am - 11:40 am
ATL
-
POA
24h 05m
2 stops
GOL Logo
5:30 pm - 11:57 pm
POA
-
ATL
32h 27m
2 stops
$837GOL
Mon, Aug 24 - Sat, Nov 14
GOL Logo
1:20 pm - 11:30 am
ATL
-
POA
20h 10m
2 stops
GOL Logo
5:20 am - 11:57 pm
POA
-
ATL
20h 37m
2 stops
$847GOL
Sun, Nov 22 - Mon, Nov 30
GOL Logo
11:40 am - 11:40 pm
ATL
-
POA
34h 00m
2 stops
GOL Logo
5:20 am - 11:53 pm
POA
-
ATL
20h 33m
2 stops
$850GOL
Tue, Dec 1 - Sat, Mar 6
Multiple Airlines Logo
5:10 pm - 12:15 am
ATL
-
POA
30h 05m
1 stop
Multiple Airlines Logo
1:15 am - 11:49 am
POA
-
ATL
35h 34m
2 stops
$863Multiple Airlines
Sat, Aug 15 - Tue, Aug 25

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LATAM Airlines flights from Atlanta to Porto Alegre

Our best LATAM Airlines deals on Atlanta to Porto Alegre flight tickets
LATAM Airlines
Aug 15
ATL11:15 pmAtlanta Hartsfield-Jackson
30h 05m
1 stop
POA6:20 amPorto Alegre Salgado Filho
Aug 22
POA7:35 amPorto Alegre Salgado Filho
25h 39m
1 stop
ATL8:14 amAtlanta Hartsfield-Jackson
$916
LATAM Airlines
Sep 13
ATL4:10 pmAtlanta Hartsfield-Jackson
13h 10m
1 stop
POA6:20 amPorto Alegre Salgado Filho
Nov 14
POA1:00 pmPorto Alegre Salgado Filho
18h 24m
1 stop
ATL5:24 amAtlanta Hartsfield-Jackson
$920
LATAM Airlines
Aug 15
ATL3:30 pmAtlanta Hartsfield-Jackson
18h 45m
2 stops
POA11:15 amPorto Alegre Salgado Filho
Aug 22
POA7:05 pmPorto Alegre Salgado Filho
26h 30m
2 stops
ATL8:35 pmAtlanta Hartsfield-Jackson
$923

Delta flights from Atlanta to Porto Alegre

Our best Delta deals on Atlanta to Porto Alegre flight tickets
Delta
Oct 7
ATL7:00 pmAtlanta Hartsfield-Jackson
15h 15m
1 stop
POA11:15 amPorto Alegre Salgado Filho
Dec 5
POA5:40 pmPorto Alegre Salgado Filho
14h 06m
1 stop
ATL5:46 amAtlanta Hartsfield-Jackson
$924
Delta
Nov 22
ATL10:15 pmAtlanta Hartsfield-Jackson
30h 25m
1 stop
POA6:40 amPorto Alegre Salgado Filho
Nov 28
POA7:50 pmPorto Alegre Salgado Filho
15h 14m
2 stops
ATL9:04 amAtlanta Hartsfield-Jackson
$930
Delta
Nov 20
ATL3:19 pmAtlanta Hartsfield-Jackson
18h 56m
2 stops
POA12:15 pmPorto Alegre Salgado Filho
Nov 29
POA6:00 pmPorto Alegre Salgado Filho
18h 07m
2 stops
ATL10:07 amAtlanta Hartsfield-Jackson
$941

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 2, 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 10/7

5:08 pm-11:45 am

2 stops17h 37m

Porto Alegre Salgado Filho

Sat 12/5

5:20 am-10:31 pm

2 stops19h 11m

$727

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Thu 10/8

9:17 am-11:45 am

2 stops25h 28m

Porto Alegre Salgado Filho

Thu 10/22

5:30 pm-11:19 pm

2 stops30h 49m

$731

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Wed 9/16

1:09 pm-11:40 pm

2 stops33h 31m

Porto Alegre Salgado Filho

Wed 11/25

5:20 am-11:57 pm

2 stops20h 37m

$795

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Sat 9/26

6:45 pm-11:35 pm

2 stops27h 50m

Porto Alegre Salgado Filho

Wed 11/25

5:20 am-11:57 pm

2 stops20h 37m

$802
Quickest round-trip

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Sat 9/19

6:45 pm-11:40 am

2 stops15h 55m

Porto Alegre Salgado Filho

Mon 11/16

5:20 am-10:56 pm

2 stops19h 36m

$819

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Sun 9/13

6:45 pm-11:40 pm

2 stops27h 55m

Porto Alegre Salgado Filho

Sat 11/14

5:30 pm-10:56 pm

2 stops31h 26m

$822

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Mon 8/24

10:35 am-11:40 am

2 stops24h 05m

Porto Alegre Salgado Filho

Sat 11/14

5:30 pm-11:57 pm

2 stops32h 27m

$837

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Sun 11/22

1:20 pm-11:30 am

2 stops20h 10m

Porto Alegre Salgado Filho

Mon 11/30

5:20 am-11:57 pm

2 stops20h 37m

$847

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Tue 12/1

11:40 am-11:40 pm

2 stops34h 00m

Porto Alegre Salgado Filho

Sat 3/6

5:20 am-11:53 pm

2 stops20h 33m

$850

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Sat 8/15

5:10 pm-12:15 am

1 stop30h 05m

Porto Alegre Salgado Filho

Tue 8/25

1:15 am-11:49 am

2 stops35h 34m

$863

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 cheapest month to fly to Porto Alegre?

The cheapest month to fly to Porto Alegre from Atlanta is in November. Flight prices, which tend to average around $823, are often lower during this time because this is during the off-season. If you’re not able to fly to Porto Alegre in November, then September is your next best option. Flight prices from Atlanta to Porto Alegre during September average around $885.

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

You could potentially save up to 9% 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

21h 05m

Direct flights

None
The fastest flight from Atlanta to Porto Alegre takes 21h 05m
There are no direct flights from Atlanta to Porto Alegre. There are no popular flight routes from Atlanta to Porto Alegre.
Search flight deals

Frequently asked questions about flying from Atlanta to Porto Alegre

  • 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. 21h 05m 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 $405Free CancellationRating
7.6
1,565 reviews
Search Copa Airlines flights
LATAM AirlinesPriceFrom $912Free CancellationRating
7.4
1,946 reviews
Search LATAM Airlines flights
DeltaPriceFrom $916Free CancellationRating
7.8
8,452 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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