Direct flights from Knoxville/Maryville to Dulles TYS → IAD

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

🔔 Watch TYS → IAD

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 Knoxville/Maryville

TYS → DEN Denver 4 airlines TYS → ATL Atlanta 2 airlines TYS → AUS Austin 4 airlines TYS → DCA Washington 2 airlines TYS → LGA New York 2 airlines TYS → MCO Orlando 2 airlines TYS → ORD Chicago 2 airlines TYS → PHL Philadelphia 2 airlines

Frequently asked questions

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

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

Which airlines fly direct from Knoxville/Maryville to Dulles?

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

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

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

Explore More

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