Flights Knoxville — Washington is a popular route. The straight-line distance is 690 km. Flight time 1h 19m. Time difference +0h.
From Knoxville (TYS) flights depart from 1 airport: TYS. To Washington (WAS) — 2 arrival airports: DCA, IAD.
2 airlines operate on this route: Southwest Airlines, United Airlines.
The minimum price for the next 3 months — from $239 (21.11.2026). The cheapest dates are highlighted in the calendar above.
The average ticket price — $239, ranging from $239 to $239. Book 1–3 months in advance to get the best deals.
Cheapest day to fly — Saturday.