Nonstop flights from Knoxville to Washington
United Airlines flies this route 3 to 4 times a day.
When they leave
Knoxville timeTwo in the morning, 5:45 AM to 10:00 AM, then one afternoon flight at 1:35 PM, then two in the evening, 7:19 PM to 7:20 PM.
Every flight
Earliest first
Schedules last checked Sep 19, 2026. Times are local.
Flying from Knoxville to Washington
United Airlines is the only airline flying nonstop from Knoxville to Washington, 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 Washington is at 7:30 AM and the last at 9:04 PM. The flight covers 419 miles.
Flying back, Washington to Knoxville has 26 nonstop flights a week. From Knoxville, Ronald Reagan Washington National (DCA) and Baltimore (BWI) are the other Washington area airports with nonstop flights, 20 and 7 a week.
Return flights
Every Washington airport
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Schedules as of Oct 9, 2026.