432 € Cheap Flights from Washington D.C. to Porto Alegre

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Flight deals from Washington D.C. to Porto Alegre

Looking for a cheap last-minute deal or the best return flight from Washington D.C. to Porto Alegre? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Washington D.C. to Porto Alegre

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

Washington D.C. to Porto Alegre: Alternative routes

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

Washington D.C. to Porto Alegre: Flight information

The things to know before you go.
Cheapest flight found432 €
Cheapest month to flySeptember

Finding cheap flights from Washington D.C. to Porto Alegre: Frequently asked questions

The best price we found for a return flight from Washington D.C. to Porto Alegre is 432 €. 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 Washington D.C. to Porto Alegre. But we found flights with one stop from 432 €.
As of September 2025, there are no flights flying from Washington D.C. to Porto Alegre.
The cheapest month to fly from Washington D.C. to Porto Alegre is usually September.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Washington D.C. to Porto Alegre Airport on Monday, 29 September 2025.
No airlines currently offer direct flights between Washington D.C. 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 Copa .

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

  • When searching for your flight from Washington DC to Salgado Filho International Airport (POA), there's a good range of airports you can take off from. Ronald Reagan National Airport (DCA), Washington Dulles International Airport (IAD) and Baltimore/Wash International Thurgood Marshall Airport (BWI) are Washington DC's major terminals.

  • Salgado Filho International Airport is located in Porto Alegre. The city follows the UTC-3 timezone and is one hour ahead of Washington DC.

  • Your flight from Washington DC to POA won't wait if you're late, so get to the airport with time to spare. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

  • With more travellers during high season, it's a good idea to get to your terminal even earlier. Two hours for domestic flights and up to four for international trips will allow for extra wait times.

Airports in Washington DC

Ronald Reagan National Airport (DCA)

  • Located around 8 kilometres from central Washington DC, DCA can be reached in about 15 minutes by car (depending on traffic). The journey on public transport takes roughly 45 minutes.

  • Want a relaxed start to your travels? Stay near Ronald Reagan National Airport. Whether you're catching an early flight from Washington DC to Salgado Filho International Airport or prefer not to feel hurried, these hotels have you covered:

  • When it comes to the on-time performance of Ronald Reagan National Airport, data shows 76.44% of flights meet their scheduled arrival time.

  • DCA is located at 1 Aviation Circle.

Washington Dulles International Airport (IAD)

  • Squeeze in an extra adventure with a stopover on your flight from Washington DC to Salgado Filho International Airport. Tocumen International Airport (PTY) is one of the main options between Washington Dulles International Airport and POA.

  • You can get to IAD from the centre of Washington DC in approximately 50 minutes by car (depending on traffic). The journey by public transport takes roughly 1 hour 10 minutes to cover the 56 kilometres or so.

  • Catching the earliest flight? Think about staying at one of these accommodation options near Washington Dulles International Airport the day before your Washington DC to POA flight:

  • Washington Dulles International Airport has an on-time performance of 74.39%. This figure sheds light on how often flights that take off from this airport land at their destination on time.

  • The street address for IAD is 1 Saarinen Circle.

Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • From central Washington DC, BWI is around 48 kilometres away. It takes roughly 50 minutes to arrive by car and 1 hour 30 minutes or so if you're on public transport.

  • Make catching an early Washington DC to Salgado Filho International Airport flight one of the easiest parts of your trip. Book a room at one of these hotels close to Baltimore/Wash International Thurgood Marshall Airport and head to your check-in counter with plenty of time to spare:

  • The on-time performance rate of BWI is 77.13%. In simpler terms, that's how often flights from this airport arrive at their final stop as planned.

About Salgado Filho International Airport (POA)

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

  • The centre of Porto Alegre is roughly 6 kilometres from Salgado Filho International Airport. Journey times by car hire or cab will vary depending on time of day, so do a little research before you go.

  • It takes roughly 50 minutes when travelling by public transport.

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

  • The lowest price we've found for a one-way ticket from Washington DC to Salgado Filho International Airport is 205 €. For a return flight on this route, the best price is 432 €. Depending on the availability and when you book, these fares could change.

  • To find cheap flights from Washington DC to POA, book in advance. Airlines typically offer lower prices when tickets are first released.

  • Cheap Washington DC to Salgado Filho International Airport tickets are easier to find when your dates are flexible. Use the 'Whole month' search function to compare fares across every month and then choose the cheapest day.

  • You don't need to check back in every day to find out if prices have dropped when you set up a Price Alert. We'll let you know when a better deal is available on plane tickets from Washington DC to POA.

  • Tailor your travel plans using filters. Select your ideal departure and arrival times, airlines and total journey duration. You can also sort your results by 'Best,' 'Cheapest' or 'Fastest' flights from Washington DC to Salgado Filho International Airport.

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

  • It's time to decide when to book your flight from Washington DC to Salgado Filho International Airport (POA). October is when most people travel to Porto Alegre. If you like things a bit more low-key, think about going in May.

  • Before locking in your Washington DC to POA plane ticket, consider the weather you're most comfortable in. January is the warmest month in Porto Alegre, with temperatures ranging from 17ºC (63ºF) to 34ºC (93ºF).

  • Search for cheap tickets from Washington DC to Salgado Filho International Airport in July if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 8ºC (46ºF) and 23ºC (73ºF).

More about Porto Alegre

Explore more of Brazil

  • Porto Alegre has its own special appeal, but there are so many other corners of Brazil just waiting to be discovered. About 225 kilometres south-west of Porto Alegre, a trip to Pelotas will keep you busy. Don't miss top attractions like Grande Hotel de Pelotas, Centro histórico de Pelotas and Praça Dom Joaquim.

  • Santa Maria is another favourite destination in Brazil and is around 257 kilometres west of Porto Alegre. No journey is complete without a visit to 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.