Nonstop flights from Washington to Knoxville
United Airlines flies this route 3 to 4 times a day.
IADWashington Dulles International
419 mi · 26 flights a week
TYSKnoxville McGhee Tyson
When they leave
Washington time9:00a10:15pFirst departure 9:00 AM, last 10:15 PM
One morning flight at 9:00 AM, then one afternoon flight at 12:50 PM, then two in the evening, 6:42 PM to 10:15 PM.
Every flight
Earliest first
Schedules last checked Sep 19, 2026. Times are local.
Flying from Washington to Knoxville
United Airlines is the only airline flying nonstop from Washington to Knoxville, 3 to 4 times a day on the Embraer ERJ and Embraer 175.
There are 3 or 4 flights every day of the week. The first arrival in Knoxville is at 10:37 AM and the last at 11:59 PM. The flight covers 419 miles.
Flying back, Knoxville to Washington has 26 nonstop flights a week. Ronald Reagan Washington National (DCA) and Baltimore (BWI) also have nonstop flights to Knoxville, 20 and 7 a week.
Return flights
Every Washington airport
More from Washington
Find the cheapest day to fly from Washington to Knoxville.
Schedules as of Oct 9, 2026.