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Porto Alegre

$543+ Cheap flights from Atlanta (ATL) to Porto Alegre (POA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/4. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — POA
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$543
(United Airlines)

Popular in

November

Cheapest in

August

Average price

$860
Provider with most accurate pricing for Atlanta Hartsfield-Jackson-Porto Alegre Salgado Filho flight deals.
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Provider most trusted by Cheapflights users for Atlanta Hartsfield-Jackson-Porto Alegre Salgado Filho flights.
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From Atlanta Hartsfield-Jackson to Porto Alegre Salgado Filho
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Highest demand for flights based on searches. 27% potential increase in price ($342 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($62 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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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 March 28, 2025.

This United Airlines deal was found by Cheapflights users on 3/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/49:20 amATL - POA
2 stops31h 45mUnited Airlines
Wed 6/115:35 pmPOA - ATL
2 stops19h 49mUnited Airlines
Deal found 3/27$543
This United deal was found by Cheapflights users on 3/27. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/123:57 pmATL - POA
2 stops20h 18mMultiple Airlines
Wed 11/125:35 pmPOA - ATL
2 stops22h 13mMultiple Airlines
Deal found 3/27$548
This Delta deal was found by Cheapflights users on 3/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/39:50 pmATL - POA
1 stop21h 00mDelta
Wed 6/115:45 pmPOA - ATL
1 stop26h 10mDelta
Deal found 3/27$796
This LATAM Airlines deal was found by Cheapflights users on 3/27. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/33:45 pmATL - POA
2 stops18h 45mLATAM Airlines
Tue 6/1011:05 amPOA - ATL
2 stops19h 45mLATAM Airlines
Deal found 3/27$802
This KAYAK deal was found by Cheapflights users on 3/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/27:23 pmATL - POA
2 stops21h 27mGOL
Thu 6/125:05 pmPOA - ATL
2 stops18h 44mGOL
Deal found 3/27$803
This Copa Airlines deal was found by Cheapflights users on 3/27. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/294:10 pmATL - POA
2 stops20h 15mCopa Airlines
Mon 8/41:23 amPOA - ATL
1 stop14h 23mCopa Airlines
Deal found 3/27$1,041

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 March 28, 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

Wed 6/4

9:20 am-6:05 pm

2 stops31h 45m

Porto Alegre Salgado Filho

Wed 6/11

5:35 pm-12:24 pm

2 stops19h 49m

$543

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Tue 8/12

3:57 pm-1:15 pm

2 stops20h 18m

Porto Alegre Salgado Filho

Wed 11/12

5:35 pm-1:48 pm

2 stops22h 13m

$548

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Tue 6/3

9:50 pm-7:50 pm

1 stop21h 00m

Porto Alegre Salgado Filho

Wed 6/11

5:45 pm-6:55 pm

1 stop26h 10m

$796

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Tue 6/3

3:45 pm-11:30 am

2 stops18h 45m

Porto Alegre Salgado Filho

Tue 6/10

11:05 am-5:50 am

2 stops19h 45m

$802

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Mon 6/2

7:23 pm-5:50 pm

2 stops21h 27m

Porto Alegre Salgado Filho

Thu 6/12

5:05 pm-10:49 am

2 stops18h 44m

$803

AtlantaPorto Alegre

ATL - POA

ATLPOA

Atlanta Hartsfield-Jackson

Tue 7/29

4:10 pm-1:25 pm

2 stops20h 15m

Porto Alegre Salgado Filho

Mon 8/4

1:23 am-2:46 pm

1 stop14h 23m

$1,041

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

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 March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star

*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.

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 March 28, 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 March 28, 2025.
Delta
8.0
Very good
7,897 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

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
8.0
Very good
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

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
1,750 reviews
Delta
8.0
Very good
7,897 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

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
1,395 reviews
Delta
8.0
Very good
7,897 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

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.
United Airlines
7.4
Good
8,603 reviews
Delta
8.0
Very good
7,897 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

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.
GOL
7.3
Good
1,052 reviews
Delta
8.0
Very good
7,897 reviews

Overall

8.0

Comfort

8.0

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.2

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 United Airlines. Our recent data shows that you can find tickets from as low as $543 on this airline. Additional options worth looking into are Delta and LATAM Airlines, starting at $796 and $802 round-trip. United Airlines is priced at 38% 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$513Average$600FlexibilityNo cancel feeOn-time71%
DeltaCheapest$624Average$790FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$690Average$868FlexibilityNo cancel feeOn-time81%
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