Washington (DCA) to Knoxville (TYS) flight deal in economy from $195

Sunday, December 20th, 2026

10 round-trip options

Returning
Fri, Dec 25, 20265 Day Trip
$507 USD
Returning
Sat, Dec 26, 20266 Day Trip
$474 USD
Returning
Sun, Dec 27, 20267 Day Trip
$516 USD
Returning
Mon, Dec 28, 20268 Day Trip
$455 USD
Returning
Tue, Dec 29, 20269 Day Trip
$391 USD
Returning
Wed, Dec 30, 202610 Day Trip
$331 USD
Returning
Thu, Dec 31, 202611 Day Trip
$341 USD
Returning
Fri, Jan 1, 202712 Day Trip
$341 USD
Returning
Sat, Jan 2, 202713 Day Trip
$464 USD
Returning
Sun, Jan 3, 202714 Day Trip
$506 USD