Direct flights from Knoxville to Dulles TYS → IAD
Allegiant Air and United Airlines fly nonstop from Knoxville (TYS) to Dulles (IAD). The flight takes about 1h 22m and covers 419 miles (674 km). Arrivals run on time 73.5% at TYS and 83.7% at IAD — BTS data for the last three months, counting arrivals within 15 minutes of schedule.
🔔 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
Frequently asked questions
Is there a direct flight from Knoxville to Dulles?
Yes, Allegiant Air and United Airlines operate nonstop flights from Knoxville (TYS) to Dulles (IAD).
Which airlines fly direct from Knoxville to Dulles?
Allegiant Air, United Airlines operate nonstop flights from Knoxville to Dulles.
How long is the flight from Knoxville to Dulles?
The nonstop flight from Knoxville to Dulles takes ~1h 22m (approximately 674 km).
What is the on-time performance for flights from Knoxville to Dulles?
Arrivals run on time 73.5% at TYS and 83.7% at IAD — BTS data for the last three months, counting arrivals within 15 minutes of schedule.
Explore More
Scout — our search agent — hunts nonstop fares from Knoxville every night and pings you when one's worth booking.
Watch it work →