Dulles to Asunción (IAD–ASU) — Airlines, Schedules & Connections
No flights match your filters.
No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.
Most recently operated nonstop flights — the month shown is when each was last scheduled. Most destinations remain reachable with a connection.
No discontinued nonstop flights on record for this route.
IAD–ASU had nonstop service, last on the schedule in July 2026. There's no nonstop on it right now, so today you'd fly it with one stop. The connecting options below are sorted by layover. Nonstop, it's about 4,618 miles in 8h 50m.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| GAF GAF | 1 | – | – | – | – |
Connection Landscape
On-Time Performance
Travel Essentials
IAD: EDT · ASU: -03
When it's 6:00 PM in Dulles, it's 7:00 PM in Asunción.
US passport holders enter Paraguay visa-free for up to 90 days. No advance application is needed. Passport must be valid for at least 6 months beyond the date of entry. At Silvio Pettirossi International Airport (ASU) in Asuncion, immigration stamps your passport after reviewing your return or onward ticket.
The 90-day stay can be extended at the Direccion General de Migraciones in Asuncion. Paraguay is a Mercosur member, and crossing into Argentina or Brazil from border cities is common. Ciudad del Este sits across the Friendship Bridge from Foz do Iguacu, Brazil, and Encarnacion connects to Posadas, Argentina, by bridge. Both crossings require clearing immigration on each side.
No direct flights connect the US to Paraguay. Route through Lima (about 4 hours to ASU on LATAM), Sao Paulo (about 2 hours on LATAM or Amaszonas), Buenos Aires (about 1 hour 45 minutes on Aerolineas Argentinas), or Panama City (about 5 hours 30 minutes on Copa). Total travel time from the US East Coast runs 12 to 18 hours. Paraguay uses the Paraguayan guarani (PYG), trading at roughly 7,500 PYG per $1. US dollars are accepted at hotels, exchange houses, and larger shops. ATMs are common in Asuncion and Ciudad del Este. Card payments work at malls and restaurants. Local buses in Asuncion cost PYG 2,800 ($0.37) per ride. Asuncion's Costanera riverside promenade and the Jesuit missions of Trinidad and Jesus (UNESCO sites near Encarnacion) are the standout destinations.
WMATA Silver Line Metro now reaches Dulles directly; take Silver Line to Washington Dulles Airport station (about 65 min from Metro Center, ~$7). The connection opened in late 2022.Ride-shares from downtown DC run $35–60 and take 35–50 minutes via I-66 (longer during peak hours). Washington Flyer coach to Wiehle-Reston East Metro costs $6. The airport is 27 miles from downtown; taxis are expensive ($60–80).
IAD–ASU Quick Facts
Frequently Asked Questions
Flights from IAD to ASU
Washington Dulles International Airport (IAD) and Silvio Pettirossi International Airport (ASU) had nonstop service, last on the schedule in July 2026. The nonstop is dormant right now, so the way to fly it today is one connection, and the options above are sorted by layover.
IAD to ASU Flight Duration and Schedule
Nonstop flight time from IAD to ASU is about 8 hours 50 minutes gate to gate. The route covers a distance of 4,618 miles (7,432 km).
Connecting Options and Alternatives
1-stop connecting options are also available, commonly via Miami, Tocumen and El Dorado. Two-stop connections are also available via intermediate hubs.