Cheap Frontier Airlines flights Washington (DCA) to Knoxville (TYS)

Cheap Frontier Airlines flights Washington (DCA) to Knoxville (TYS)

Prices were available within the past 7 days and start at for one-way flights and $350 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Jul 13 - Thu, Jul 17

DCA

Washington

TYS

Knoxville

$350 Roundtrip, found 3 days ago

$350

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sun, Jul 13 from Washington to Knoxville, returning Thu, Jul 17, priced at $350 found 3 days ago

Sun, Jun 22 - Thu, Jun 26

DCA

Washington

TYS

Knoxville

$360 Roundtrip, found 2 days ago

$360

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sun, Jun 22 from Washington to Knoxville, returning Thu, Jun 26, priced at $360 found 2 days ago