Cheap Flights from Washington Dulles to Asuncion

Compare Washington Dulles to Asuncion flight deals

Find the cheapest month or even day of the year to fly to Asuncion

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Flight deals from Washington Dulles Airport to Asuncion Airport

Looking for a cheap last-minute deal or the best return flight from Washington Dulles Airport to Asuncion Airport? If you want to travel next month, return fares start from $1,730. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Washington Dulles to Asuncion

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Washington Dulles to Asuncion flights are currently cheapest in May.

Washington Dulles to Asuncion: Alternative routes

Compare routes from Washington Dulles to Asuncion below. You may find an airport to fly into that's cheaper, faster, or easier than Asuncion.

Washington D.C. to Asuncion: Flight information

The things to know before you go.
Cheapest flight found$1,464
Cheapest month to flyMay

Finding cheap flights from Washington Dulles to Asuncion: Frequently asked questions

The best price we found for a return flight from Washington Dulles to Asuncion is $1,464. 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 Dulles to Asuncion. But we found flights with one or more stops from $1,464.
As of March 2026, there are no flights flying from Washington Dulles to Asuncion.
The cheapest month to fly from Washington Dulles to Asuncion is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Washington Dulles Airport to Asuncion Airport on Tuesday, 5 May 2026.
No airlines currently offer direct flights between Washington Dulles Airport and Asuncion 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 Asuncion 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 Asuncion is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Copa offers the cheapest flight tickets to Asuncion.

Travelling from Washington Dulles International Airport (IAD) to Silvio Pettirossi International Airport (ASU): what you need to know

  • Asuncion is one hour ahead of Washington DC and follows the UTC-3 timezone.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for stress-free travel. Make sure you're at the airport on time to catch your IAD to ASU flight.

  • Be prepared for bigger queues during popular months such as April. Arriving up to four hours ahead of an international flight and two hours for a domestic departure will give you ample time for security and boarding.

  • Pick a stopover if you prefer to break up your flight. Just deselect 'Direct flights only' to see all your options for tickets from Washington Dulles International Airport to Silvio Pettirossi International Airport. Tocumen International Airport is a top stopover on the IAD to ASU route.

How to find the cheapest flights from Washington Dulles International Airport (IAD) to Silvio Pettirossi International Airport (ASU)

  • $1,301 is the best price for a one-way Washington Dulles International Airport to Silvio Pettirossi International Airport flight. Return flights start from $1,464. These prices may change based on availability.

  • To score cheap tickets from IAD to ASU, book as early as you can. Airlines typically offer lower fares when flights are first made available.

  • If you can be flexible with your travel plans, try using the 'Whole month' tool. It'll find the lowest price in every month when searching for a flight from Washington Dulles International Airport to Silvio Pettirossi International Airport.

  • Landing cheap flights from IAD to ASU is a piece of cake with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch as soon as a lower fare pops up.

  • Tailor your flights with filters. Select your ideal arrival and departure times, total journey duration and airlines. You can also sort your results by 'Best,' 'Cheapest' or 'Fastest' flights from Washington Dulles International Airport to Silvio Pettirossi International Airport.

Handy information about Washington Dulles International Airport (IAD)

  • You'll find IAD at 1 Saarinen Circle.

  • When it comes to the on-time performance of Washington Dulles International Airport, 74.39% of flights stick to their scheduled arrival time.

  • Central Washington DC to Washington Dulles International Airport is around 56 kilometres. Depending on traffic, it'll take about 50 minutes to get there if you're driving, catching a cab or ride-sharing.

  • Catching public transport? Expect a journey time of around 3 hours 25 minutes.

  • Catching an early flight from Washington Dulles International Airport to Silvio Pettirossi International Airport? Avoid the last-minute rush to the terminal (and catch some extra z's) by picking one of these hotels near IAD:

Arriving at Silvio Pettirossi International Airport (ASU)

  • Reserve a hotel near ASU if you have a late Washington Dulles International Airport to Silvio Pettirossi International Airport flight. Select one of these options and skip the long transfer after landing:

  • Get on the fast track to adventure by picking up a Silvio Pettirossi International Airport rental car. Grab your wheels from Localiza, Sixt or Alamo and explore beyond Asuncion's main sights.

  • Reserving your ride from Silvio Pettirossi International Airport about four weeks in advance gives you the best shot at securing a great deal.

Getting from Silvio Pettirossi International Airport (ASU) to central Asuncion

  • Silvio Pettirossi International Airport to the centre of Asuncion has a drive time of around 15 minutes. It's approximately 10 kilometres away.

When to fly to Silvio Pettirossi International Airport (ASU)

  • The quietest month for a flight from Washington Dulles International Airport to Silvio Pettirossi International Airport is April, while July is the busiest. Choose the best time to visit Asuncion based on whether you prefer a faster pace or a more relaxed vibe.

  • When booking your flight from Washington Dulles International Airport to Silvio Pettirossi International Airport, think about the type of weather you enjoy. January is the warmest month in Asuncion, with temperatures ranging from 22ºC to 39ºC.

  • If you like travelling in cooler conditions, search for a cheap ticket from IAD to ASU in July. Average temperatures are between 11ºC and 29ºC then.

Explore more of Paraguay

  • You've seen Asuncion, now it's time to explore more of Paraguay. Journey around 290 kilometres east to Ciudad del Este to check off its leading attractions. From Catedral San Blas to Lago de la Republica and PC Comandante, you've got a jam-packed schedule ahead.

  • If you're interested in discovering another side of Paraguay, consider San Lorenzo, roughly 10 kilometres south-east of Asuncion. Oratorio Ntra. Señora de la Asunción, Capilla San Roque Gonzalez de Santacruz and Capilla Nuestra Señora De La Asunción are the start of reasons to visit.

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