HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Porto Alegre

$371+ 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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — POA
jun. 23 — jun. 301
lun. 6/23
lun. 6/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Atlanta to Porto Alegre with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 junio 18, 2025.

Round-trip from

$718
(Mytrip)

One-way from

$371
(Copa Airlines)

Popular in

November

Cheapest in

August

Average price

$1,133
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. 19% potential increase in price ($228 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($60 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find 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 junio 18, 2025.

This Mytrip deal was found by Cheapflights users on 6/17. 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. 8/110:44 amATL - POA
3 stops22h 56mMultiple Airlines
vie. 8/87:40 pmPOA - ATL
2 stops15h 32mMultiple Airlines
Deal found 6/17$718
This Copa Airlines deal was found by Cheapflights users on 6/17. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/17:32 pmATL - POA
2 stops27h 43mCopa Airlines
jue. 8/71:20 amPOA - ATL
2 stops33h 58mCopa Airlines
Deal found 6/17$1,022
This Cheapflightsfares deal was found by Cheapflights users on 6/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/182:52 pmATL - POA
2 stops18h 43mLATAM Airlines
sáb. 1/177:45 amPOA - ATL
1 stop13h 50mLATAM Airlines
Deal found 6/18$1,236
This GOL deal was found by Cheapflights users on 6/16. 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. 12/222:46 pmATL - POA
2 stops30h 54mGOL
jue. 1/225:10 amPOA - ATL
2 stops20h 28mGOL
Deal found 6/16$1,263
This Delta deal was found by Cheapflights users on 6/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/16:55 pmATL - POA
1 stop17h 55mDelta
vie. 8/85:45 pmPOA - ATL
1 stop14h 45mDelta
Deal found 6/17$1,693
This United Airlines deal was found by Cheapflights users on 6/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/52:38 pmATL - POA
2 stops21h 32mUnited Airlines
sáb. 7/126:40 pmPOA - ATL
3 stops30h 19mUnited Airlines
Deal found 6/17$2,008

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 junio 18, 2025.
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

vie. 8/1

10:44 am-10:40 am

3 stops22h 56m

Porto Alegre Salgado Filho

vie. 8/8

7:40 pm-10:12 am

2 stops15h 32m

$718

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

vie. 8/1

7:32 pm-12:15 am

2 stops27h 43m

Porto Alegre Salgado Filho

jue. 8/7

1:20 am-10:18 am

2 stops33h 58m

$1,022

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

sáb. 7/5

6:10 pm-11:40 pm

2 stops28h 30m

Porto Alegre Salgado Filho

sáb. 7/12

5:15 pm-12:41 am

2 stops32h 26m

$1,374

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

vie. 8/1

6:55 pm-1:50 pm

1 stop17h 55m

Porto Alegre Salgado Filho

vie. 8/8

5:45 pm-7:30 am

1 stop14h 45m

$1,693

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

sáb. 7/5

6:15 pm-11:40 am

2 stops16h 25m

Porto Alegre Salgado Filho

sáb. 7/12

7:20 am-8:10 pm

1 stop13h 50m

$1,772

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

sáb. 7/5

2:38 pm-1:10 pm

2 stops21h 32m

Porto Alegre Salgado Filho

sáb. 7/12

6:40 pm-11:59 pm

3 stops30h 19m

$2,008

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

dom. 8/10

5:30 am-12:15 am

2 stops17h 45m

$371

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

lun. 8/11

7:32 pm-1:40 pm

2 stops17h 08m

$723

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

mar. 8/12

11:20 pm-6:25 am

1 stop30h 05m

$782

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

vie. 8/8

3:35 pm-6:25 am

1 stop13h 50m

$827

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

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.

Cheapflights Insights

Everything you need to know about your flight from Atlanta to Porto Alegre

What is the cheapest time of day to fly from ATL to POA?

Find hourly flight availability from Atlanta to Porto Alegre. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 18, 2025.

A simple way to save on the total cost of your ticket is to fly from Atlanta to Porto Alegre at noon. If you’re flexible enough to do this you can expect to save up to 18% on your trip compared to booking a flight in the evening.

Rainfall in Porto Alegre by month

Plan your trip to Porto Alegre by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Porto Alegre ranges from 2.8 - 5.1 inches per month. September is typically the wettest month, when rainfall can reach 5.1 in. November is typically the driest time to visit Porto Alegre when rainfall is around 2.8 in.

Temperature in Porto Alegre by month

Plan your trip to Porto Alegre by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Porto Alegre, use this chart to help with planning. For those seeking warmer temperatures, February is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 55.4 F).

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 junio 18, 2025.
Delta
8.0
Very good
7,964 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

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
8.0
Very good
7,964 reviews
Delta
8.0
Very good
7,964 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

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
1,787 reviews
Delta
8.0
Very good
7,964 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

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
1,455 reviews
Delta
8.0
Very good
7,964 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

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.
United Airlines
7.4
Good
8,810 reviews
Delta
8.0
Very good
7,964 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

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.
GOL
7.3
Good
1,073 reviews
Delta
8.0
Very good
7,964 reviews

Overall

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Crew

8.5

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 $1,022 on this airline. Additional options worth looking into are GOL and Delta, starting at $1,374 and $1,693 round-trip.

  • What are the cheapest airlines to fly from Atlanta to Porto Alegre one-way?

    One-way options have recently been found by users for as low as $371 on Copa Airlines. Other airlines that offer cheap prices include United Airlines from $723 and Delta from $782 one-way.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 junio 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$560Average$1,047FlexibilityNo cancel feeOn-time70%
LATAM AirlinesCheapest$701Average$1,010FlexibilityNo cancel feeOn-time81%
DeltaCheapest$774Average$859FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.