Cheap Flights from Raleigh / Durham to Porto Alegre

Compare Raleigh / Durham 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 Raleigh / Durham to Porto Alegre

Looking for a cheap last-minute deal or the best return flight from Raleigh / Durham Airport to Porto Alegre Airport? If you want to travel next month, return fares start from R 10,440. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Raleigh / Durham to Porto Alegre

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

Raleigh / Durham to Porto Alegre: Alternative routes

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

Durham to Porto Alegre: Flight information

The things to know before you go.
Cheapest flight foundR 5,819
Cheapest month to flyAugust

Finding cheap flights from Raleigh / Durham to Porto Alegre: Frequently asked questions

The best price we found for a return flight from Raleigh / Durham to Porto Alegre is R 10,456. 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 Raleigh / Durham to Porto Alegre. But we found flights with one or more stops from R 10,440.
As of July 2026, there are no flights flying from Raleigh / Durham to Porto Alegre.
The cheapest month to fly from Raleigh / Durham to Porto Alegre is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Raleigh / Durham Airport to Porto Alegre Airport on Thursday, 20 August 2026.
No airlines currently offer direct flights between Raleigh / Durham Airport 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.

Currently, Frontier Airlines offers the cheapest flight tickets to Porto Alegre.

Travelling from Raleigh-Durham International Airport (RDU) to Salgado Filho International Airport (POA): what you need to know

  • The timezone in Porto Alegre is UTC-3, which is one hour ahead of Durham.

  • To ensure you catch your RDU to POA flight, leave enough time for things like check-in and baggage drop. Arriving two hours ahead of international departures and an hour before domestic flights is the general travel rule.

  • You can expect bigger queues during popular months such as July. Arriving up to four hours in advance for an international flight and two hours for domestic departures is a wise move.

How to find the cheapest flights from Raleigh-Durham International Airport (RDU) to Salgado Filho International Airport (POA)

  • R 5,819 is currently the lowest price for a one-way Raleigh-Durham International Airport to Salgado Filho International Airport flight. A return flight starts at R 10,456. These prices can change based on availability.

  • Don't leave things to the last minute. You're more likely to find cheap tickets from RDU to POA if you book in advance. Airlines often offer some great early bird deals.

  • If you're flexible with your travel plans, try using the 'Whole month' tool. It'll find the lowest price across every month when looking for your flight from Raleigh-Durham International Airport to Salgado Filho International Airport.

  • Save time looking for cheap flights from RDU to POA by setting up a Price Alert. We'll send you an email or notification on the app when a lower fare pops up.

  • Tailor your trip using filters. Select your arrival and departure times, airlines and total journey duration. You can also sort the results by 'Best,' 'Cheapest' or 'Fastest' flights from Raleigh-Durham International Airport to Salgado Filho International Airport.

Handy information about Raleigh-Durham International Airport (RDU)

  • Raleigh-Durham International Airport gets top marks for on-time performance. 80.09% of flights that depart RDU reach their destination on time.

  • Raleigh-Durham International Airport is about 23 kilometres from central Durham. If you're driving, catching a cab or ride-sharing from the centre, it'll take you 20 minutes or so to get there, depending on the traffic.

  • Expect a journey time of about 1 hour 10 minutes when using public transport.

  • Get your holiday off to a stress-free start by staying near RDU. Whether you have an early flight from Raleigh-Durham International Airport to Salgado Filho International Airport or want to avoid feeling rushed, these hotels are the answer:

Arriving at Salgado Filho International Airport (POA)

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

  • Salgado Filho International Airport to the centre of Porto Alegre has a drive time of about 20 minutes. It's approximately 11 kilometres away.

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

When to fly to Salgado Filho International Airport (POA)

  • The quietest month for a flight from Raleigh-Durham International Airport to Salgado Filho International Airport is May, while June is the most popular. Pick the ideal time to visit Porto Alegre based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • The warmest month in Porto Alegre is January, with temperatures ranging between 17ºC (63ºF) and 34ºC (93ºF). Lock in your flights from Raleigh-Durham International Airport to Salgado Filho International Airport in this month if this is the type of weather you like.

  • If you like travelling in cooler conditions, look for a cheap ticket from RDU to POA in July. Temperatures average between 8ºC (46ºF) and 23ºC (73ºF) then.

Explore more of Brazil

  • You've done Porto Alegre, now it's time to discover other parts of Brazil. Travel about 483 kilometres north-east to Joinville to tick off its leading sights. From Rua das Palmeiras to Parque Zoobotanico and Expoville Park, you'll have a packed itinerary ahead.

  • If you're interested in discovering another major stop in Brazil, consider Florianopolis, roughly 370 kilometres north-east of Porto Alegre. Joaquina beach, Farol da Barra da Lagoa and Hercilio Luz Bridge are among its highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.