Cheap Flights from Atlanta to Porto Alegre

Compare Atlanta to Porto Alegre flight deals

Find the cheapest month or even day of the year to fly to Porto Alegre

Book the best Porto Alegre fare with no extra fees

Flight deals from Atlanta to Porto Alegre

Looking for a cheap last-minute deal or the best return flight from Atlanta to Porto Alegre Airport? If you want to travel next month, return fares start from R 11,344. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Atlanta to Porto Alegre

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Atlanta to Porto Alegre flights are currently cheapest in June.

Atlanta to Porto Alegre: Alternative routes

Compare routes from Atlanta to Porto Alegre below. You may find an airport to fly into that's cheaper, faster, or easier than Porto Alegre.

Atlanta to Porto Alegre: Flight information

The things to know before you go.
Cheapest flight foundR 3,587
Cheapest month to flyJune

Finding cheap flights from Atlanta to Porto Alegre: Frequently asked questions

The best price we found for a return flight from Atlanta to Porto Alegre is R 11,250. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Atlanta to Porto Alegre. But we found flights with one stop from R 11,250.
As of May 2026, there are no flights flying from Atlanta to Porto Alegre.
The cheapest month to fly from Atlanta to Porto Alegre is usually June.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Atlanta to Porto Alegre Airport on Monday, 8 June 2026.
No airlines currently offer direct flights between Atlanta and Porto Alegre Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Porto Alegre but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Porto Alegre is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Porto Alegre is Frontier Airlines .

Travelling from Atlanta to Salgado Filho International Airport (POA): What you need to know

  • Hartsfield-Jackson Atlanta International Airport (ATL) is Atlanta's main airport. Explore your options for booking a flight from Atlanta to Salgado Filho International Airport (POA) jetting off from here.

  • The timezone in Porto Alegre is UTC-3, which is one hour ahead of Atlanta. Salgado Filho International Airport is located in Porto Alegre.

  • Your flight from Atlanta to POA won't wait if you're running late, so don't forget to check in on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're flying internationally.

  • Peak season means busier airports, so be there even earlier. Give yourself at least two hours before a domestic flight and four hours for international journeys to stay on schedule.

Airports in Atlanta

Hartsfield-Jackson Atlanta International Airport (ATL)

  • You might be able to make your cheap flight from Atlanta to POA even cheaper by adding a stopover. Just uncheck 'Direct flights only' during your search to find out where you can stop along the way. Tocumen International Airport (PTY) is an option when departing from Hartsfield-Jackson Atlanta International Airport (ATL).

  • ATL is about 18 kilometres from central Atlanta. If you're ride-sharing, driving or catching a cab from the centre, it'll take 15 minutes or so to get there, depending on traffic conditions. If you're using public transport, expect the travel time to be around 1 hour 10 minutes.

  • Catching an early flight from Atlanta to Salgado Filho International Airport? Avoid rushing to the terminal (and sneak in some extra snooze time) by picking one of these stays near Hartsfield-Jackson Atlanta International Airport:

  • Of the departures from Hartsfield-Jackson Atlanta International Airport, 76.64% arrive as scheduled at their destination.

  • ATL is located at 6000 N Terminal Parkway.

About Salgado Filho International Airport (POA)

Getting from Salgado Filho International Airport (POA) to central Porto Alegre

  • Salgado Filho International Airport is roughly 6 kilometres from central Porto Alegre. How long it takes to get to the centre in a cab or car hire will depend on the time of day. Do some research before you go.

  • When travelling on public transport, expect a journey of around 50 minutes.

How to find the cheapest flights from Atlanta to Salgado Filho International Airport (POA)

  • Right now, R 3,557 is the lowest price we've found for a one-way ticket from Atlanta to Salgado Filho International Airport. The cheapest price for a return flight is R 11,250. Keep in mind fares can change due to availability at the time of booking.

  • Booking early is often the key to finding a cheap flight from Atlanta to POA. Flight prices rise as demand increases, so the closer you get to departure, the more you'll likely spend on your ticket.

  • Affordable Atlanta to Salgado Filho International Airport tickets are easier to find if your travel dates are flexible. Try using the 'Whole month' search tool to compare fares across each month and then pick the cheapest day.

  • Finding a cheap plane ticket from Atlanta to POA is a breeze with Price Alerts. Simply create one of these automatic alerts and we'll get in touch when prices go down.

  • Uncover a great deal on a flight from Atlanta to Salgado Filho International Airport with the help of the filters. Choose your ideal departure and arrival times, number of stops and airlines. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best.'

The best time to fly from Atlanta to Salgado Filho International Airport (POA)

  • It's time to figure out your travel dates for your flight from Atlanta to Salgado Filho International Airport (POA). October is when most people visit Porto Alegre. If you're all about a more relaxed kind of trip, go in May.

  • Book an Atlanta to POA plane ticket departing in January if you're eager to visit the city during its warmest month. You can expect temperatures in Porto Alegre to range from 17ºC (63ºF) to 34ºC (93ºF).

  • For cooler conditions, search for a cheap ticket from Atlanta to Salgado Filho International Airport in July when temperatures are between 8ºC (46ºF) and 23ºC (73ºF).

More about Porto Alegre

Explore more of Brazil

  • You've seen Porto Alegre, now it's time to discover more of Brazil. Journey about 225 kilometres south-west to Pelotas to check off its top sights. From Grande Hotel de Pelotas to Centro histórico de Pelotas and Praça Dom Joaquim, there's plenty to keep you on the go.

  • Santa Maria is another essential stop in Brazil and is around 257 kilometres west of Porto Alegre. No journey is complete without experiencing Memorial of Japanese Immigration and Culture, Municipal Park Hills and Calçadão Salvador Isaia.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.