What is the cheapest month to fly from Dulles to Knoxville?

Based on current 6-month forward fare data, May 2026 is the cheapest month to fly from Dulles (IAD) to Knoxville (TYS), with fares starting from $84.

What is the lowest current fare from IAD to TYS?

The lowest currently-listed fare from Dulles (IAD) to Knoxville (TYS) is $84 on 2026-05-25.

Direct flights from IAD to TYS cover approximately 675 km (419 miles), with an estimated flight time of 48m. Operating airlines: G4, UA.

Cheapest current fares: $84 in May 2026, 675 km direct flight in ~48m.

Last updated May 25, 2026 · By Flightmaps Editorial

Lowest available fare per calendar month from Dulles (IAD) to Knoxville (TYS). Refreshed daily.

What is the cheapest month to fly from Dulles to Knoxville?

Based on current 6-month forward fare data, May 2026 is the cheapest month to fly from Dulles (IAD) to Knoxville (TYS), with fares starting from $84.
What is the lowest current fare from IAD to TYS?

The lowest currently-listed fare from Dulles (IAD) to Knoxville (TYS) is $84 on 2026-05-25.
How long is the flight from Dulles to Knoxville?

Direct flights from IAD to TYS cover approximately 675 km (419 miles), with an estimated flight time of 48m. Operating airlines: G4, UA.

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