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Porto Alegre

$264+ Cheap flights from Atlanta (ATL) to Porto Alegre (POA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — POA
feb. 26 — mar. 51
jue. 2/26
jue. 3/5
1 adult, Economy
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Cheap flight deals from Atlanta to Porto Alegre

Cheapest flights from Atlanta to Porto Alegre
Explore the most affordable flight options available from Atlanta to Porto Alegre. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 27, 2026.

This Mytrip deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/268:47 am
ATL
-
POA
3 stops24h 13m
Multiple Airlines
jue. 3/55:10 am
POA
-
ATL
3 stops28h 32m
Multiple Airlines
Deal found 1/27$621
This Mytrip deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/1710:00 am
ATL
-
POA
3 stops31h 40m
Multiple Airlines
vie. 5/15:10 pm
POA
-
ATL
3 stops24h 25m
Multiple Airlines
Deal found 1/25$765
This Mytrip deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 3/276:14 pm
ATL
-
POA
2 stops16h 21m
Multiple Airlines
dom. 4/58:45 am
POA
-
ATL
3 stops39h 17m
Multiple Airlines
Deal found 1/25$792
This FlightHub deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 4/174:49 pm
ATL
-
POA
2 stops29h 46m
GOL
vie. 5/15:30 pm
POA
-
ATL
2 stops31h 29m
GOL
Deal found 1/25$800
This KAYAK deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/18:21 am
ATL
-
POA
2 stops30h 14m
GOL
mar. 5/126:25 pm
POA
-
ATL
2 stops22h 44m
GOL
Deal found 1/25$815
This KAYAK deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 3/275:09 am
ATL
-
POA
2 stops29h 26m
GOL
dom. 4/55:20 am
POA
-
ATL
2 stops19h 38m
GOL
Deal found 1/25$826
This American Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/124:36 pm
ATL
-
POA
2 stops21h 59m
American Airlines
vie. 8/76:25 pm
POA
-
ATL
2 stops25h 17m
American Airlines
Deal found 1/26$850
This GOL deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure GOL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/114:49 pm
ATL
-
POA
2 stops29h 51m
GOL
vie. 8/75:20 am
POA
-
ATL
2 stops17h 47m
GOL
Deal found 1/26$859

Find flight deals from Atlanta to Porto Alegre

Discover tips and strategies to find the most affordable flight options for your journey from Atlanta (ATL) to Porto Alegre (POA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$621
(Mytrip)

One-way from

$264
(Kiwi.com)

Popular in

February

Cheapest in

April

Average price

$1,201
Provider with most accurate pricing for Atlanta Hartsfield-Jackson-Porto Alegre Salgado Filho flight deals.
Search Deals
Provider most trusted by Cheapflights users for Atlanta Hartsfield-Jackson-Porto Alegre Salgado Filho flights.
Search Deals
From Atlanta Hartsfield-Jackson to Porto Alegre Salgado Filho
Search Deals
One-way flight from Atlanta Hartsfield-Jackson to Porto Alegre Salgado Filho
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($186 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated enero 27, 2026.
Use the filters below to find and compare flights from Atlanta to Porto Alegre that are best for you.

Fly from

Atlanta

Fly to

Porto Alegre

Route

Depart

Return

Price

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

jue. 2/26

8:47 am-11:00 am

3 stops24h 13m

Porto Alegre Salgado Filho

jue. 3/5

5:10 am-7:42 am

3 stops28h 32m

$621

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

vie. 4/17

10:00 am-6:40 pm

3 stops31h 40m

Porto Alegre Salgado Filho

vie. 5/1

5:10 pm-4:35 pm

3 stops24h 25m

$765

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

vie. 3/27

6:14 pm-11:35 am

2 stops16h 21m

Porto Alegre Salgado Filho

dom. 4/5

8:45 am-11:02 pm

3 stops39h 17m

$792

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

vie. 4/17

4:49 pm-11:35 pm

2 stops29h 46m

Porto Alegre Salgado Filho

vie. 5/1

5:30 pm-11:59 pm

2 stops31h 29m

$800

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

vie. 5/1

8:21 am-3:35 pm

2 stops30h 14m

Porto Alegre Salgado Filho

mar. 5/12

6:25 pm-4:09 pm

2 stops22h 44m

$815

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

mar. 5/12

4:36 pm-3:35 pm

2 stops21h 59m

Porto Alegre Salgado Filho

vie. 8/7

6:25 pm-6:42 pm

2 stops25h 17m

$850

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

lun. 5/11

4:49 pm-11:40 pm

2 stops29h 51m

Porto Alegre Salgado Filho

vie. 8/7

5:20 am-10:07 pm

2 stops17h 47m

$859

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

lun. 5/11

4:49 pm-11:40 pm

2 stops29h 51m

Porto Alegre Salgado Filho

jue. 8/6

5:20 am-10:07 pm

2 stops17h 47m

$921

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

jue. 3/5

8:40 am-9:05 am

3 stops22h 25m

$264

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

mar. 2/24

10:24 am-8:20 am

3 stops19h 56m

$376

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 19 results
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Compare providers for flights from Atlanta to Porto Alegre

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Atlanta to Porto Alegre in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Atlanta-Porto Alegre flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Atlanta-Porto Alegre flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Atlanta-Porto Alegre flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Atlanta-Porto Alegre flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Atlanta-Porto Alegre flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Atlanta to Porto Alegre

Have a flexible travel schedule? Discover the best time to fly to Porto Alegre from Atlanta with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Porto Alegre

Get insights into the airlines that provide service to Porto Alegre. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto Alegre. Reviews last updated enero 27, 2026.
Read reviews from past customers who have flown Delta, LATAM Airlines, and Copa Airlines from Atlanta to Porto Alegre. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,119 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Boarding

8.1

Food

7.2

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Delta
7.9
Good
8,119 reviews
Delta
7.9
Good
8,119 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Boarding

8.1

Food

7.2

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
LATAM Airlines
7.5
Good
1,912 reviews
Delta
7.9
Good
8,119 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Boarding

8.1

Food

7.2

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Copa Airlines
7.5
Good
1,560 reviews
Delta
7.9
Good
8,119 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.8

Overall

7.9

Boarding

8.1

Food

7.2

Reviews

1 / 20
2.0
Mediocre

Santiago,Apr 2024

ATL - JNB

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from Atlanta to Porto Alegre. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Atlanta to Porto Alegre round-trip?

    Our cheapest airline available from Atlanta to Porto Alegre is Copa Airlines. Our recent data shows that you can find tickets from as low as $493 on this airline. Additional options worth looking into are Delta and LATAM Airlines, starting at $774 and $780 round-trip. Copa Airlines is priced at 51% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Atlanta to Porto Alegre that include hotel bookings?

    Yes. In addition to deals on Atlanta to Porto Alegre flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Atlanta to Porto Alegre?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Atlanta to Porto Alegre.

  • Can I find deals for business class flights from Atlanta to Porto Alegre?

    Yes. Cheapflights offers flight deals from Atlanta to Porto Alegre by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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Alternative routes for Atlanta to Porto Alegre

See prices for flight routes from nearby airports that may be better suited for you.
Chattanooga to Porto Alegre flights

Top 3 airlines flying from Atlanta to Porto Alegre

Discover the top 3 airlines that operate flights from Atlanta to Porto Alegre. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated enero 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$493Average$909FlexibilityNo cancel feeOn-time70%
DeltaCheapest$774Average$1,111FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$780Average$1,263FlexibilityNo cancel feeOn-time81%

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