The cheapest times to fly from IAD to POA are

  • January 8th to February 25th
  • April 16th to May 6th
  • August 6th to December 9th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from IAD to POA is mid November. Prices can be as high as $1607 for Saturday flights during late July, or as low as $971 for Tuesday flights around mid November.


When to Fly to Porto Alegre

Flying from Washington, DC (IAD) to Porto Alegre (POA) will usually cost between $971 to $1434 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid November with an average ticket price of $971. Due to high demand the most expensive time to fly is late July, with an average price of $1447. Planning your trip to low-cost times can easily save you $476 on economy flights and even more on first-class flights. Generally, any price below $1105 can be considered a good price for a round-trip IAD to POA flight.

See below for a graph of average weekly prices for the IAD to POA route. All prices are for round-trip tickets in USD.

IAD to POA Flight Prices

Compared to other flights, the IAD to POA flight is slightly more expensive than the average and costs about as much as the average flight leaving from Washington. The average price per mile (for a direct flight) is $0.14, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $41 (4%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $1082. Return trip prices are from the POA to IAD flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from IAD to POA can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 10 hour 5 minutes may not be realistic.


Flight Hacking IAD to POA

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from IAD to POA — but Champion Traveler does!

Hack #1: Lima (IAD > LIM > POA)

  • Price for both tickets: $968
  • Average savings: $137 (12.4%)

See IAD to LIM flights

Hack #2: Orlando, FL (IAD > MCO > POA)

  • Price for both tickets: $1039
  • Average savings: $66 (5.93%)

See IAD to MCO flights

Hack #3: Miami, FL (IAD > MIA > POA)

  • Price for both tickets: $1039
  • Average savings: $66 (5.93%)

See IAD to MIA flights


Flight Questions Answered

Still have questions about flying from IAD to POA? We’ve got answers.

Which airlines fly this route?

You can find 13 major airlines flying this route most often: Aerolineas Argentinas, Air Canada, American, Avianca, Avianca El Salvador, Azul, COPA, Delta, Gol, LATAM, TACV, Tap Air Portugal, United, and potentially more during busy seasons.

How far away is it from Salgado Filho Airport to Washington Dulles International Airport?

The distance between the two airports is roughly 5054 miles or 8134 kilometers.

How long does it take to fly from IAD to POA?

The real-world flight time for a nonstop IAD to POA flight is about 10 hour 5 minutes.

How many flights go between Washington, DC and Porto Alegre?

It depends on the day of the week and the date, but a typical day might have around 65 available flights from IAD to POA.


Airport Location Info


Departing Airport

Origination code IAD
Origination airport name Washington Dulles International Airport
City Washington, DC
Country the United States
Latitude 38.9
Longitude -77.5

Return Airport

Destination code POA
Destination airport name Salgado Filho Airport
City Porto Alegre
Country Brazil
Latitude -30
Longitude -51.2


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.