Direct flights from Dulles to Knoxville/Maryville IAD → TYS

Allegiant Air and United Airlines operate nonstop flights from Dulles (IAD) to Knoxville/Maryville (TYS). The nonstop flight takes around ~0h 51m, covering 419 miles (674 km). Updated 14 July 2026.

🔔 Watch IAD → TYS

We'll run this search daily and email you the cheapest direct fares we find.

Free · checked daily · one-click unsubscribe

Allegiant Air G4 United Airlines UA

More nonstops from Dulles

IAD → CMN Casablanca IAD → PUJ Punta Cana IAD → BZN Bozeman IAD → ATL Atlanta 3 airlines IAD → DFW Dallas-Fort Worth 3 airlines IAD → LHR London 3 airlines IAD → MSP Minneapolis 3 airlines IAD → SAL San Salvador (San Luis Talpa) 3 airlines

Frequently asked questions

Is there a direct flight from Dulles to Knoxville/Maryville?

Yes, Allegiant Air and United Airlines operate nonstop flights from Dulles (IAD) to Knoxville/Maryville (TYS).

Which airlines fly direct from Dulles to Knoxville/Maryville?

Allegiant Air, United Airlines operate nonstop flights from Dulles to Knoxville/Maryville.

How long is the flight from Dulles to Knoxville/Maryville?

The nonstop flight from Dulles to Knoxville/Maryville takes ~0h 51m (approximately 674 km).

Explore More

IAD All direct flights from Dulles 🗓 Find cheapest round-trip dates → TYS All direct flights from Knoxville/Maryville TYS → IAD Return: Knoxville/Maryville to Dulles