Flights from Washington Airport IAD to Knoxville Airport TYS
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Flight Price FAQ - Washington (IAD) to Knoxville (TYS)
DIRECT
Allegiant Air
What is the cheapest direct flight one way from Washington IAD to Knoxville TYS?
The cheapest direct flight one way from Washington IAD to Knoxville TYS is £29.31 ($40 €33.82)
DIRECT
Allegiant Air
What is the cheapest direct return flight from Washington IAD to Knoxville TYS?
The cheapest direct return flight from Washington IAD to Knoxville TYS is £54.97 ($75 €63.42)
Important Note: Prices shown are taken from searches performed for flights operating during the current month. Please use the "Latest Price" buttons to get the most up to date airfares.
Compare Flight Prices from IAD to TYS
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