Flights from Knoxville Airport (TYS) to Dulles International Airport Airport (IAD)
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Flight Price FAQ - Knoxville (TYS) to Washington (IAD)
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Allegiant Air
What is the cheapest direct flight one way from Knoxville TYS to Washington IAD?
The cheapest direct flight one way from Knoxville TYS to Washington IAD is £26.99 ($37 €31.10)
DIRECT
Allegiant Air
What is the cheapest direct return flight from Knoxville TYS to Washington IAD?
The cheapest direct return flight from Knoxville TYS to Washington IAD is £58.35 ($80 €67.25)
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.
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Useful Information about Dulles International Airport
Lounges at Dulles International Airport
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Washington D. C. Tourist Attractions
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