$409 Cheap United flights Knoxville (TYS) to Washington (IAD)

$409 Cheap United flights Knoxville (TYS) to Washington (IAD)

Prices were available within the past 7 days and start at $409 for one-way flights and $328 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, May 15 - Sun, May 17

TYS

Knoxville

IAD

Washington

$328 Roundtrip, found 5 days ago

$328

Roundtrip

found 5 days ago

Select United flight, departing Fri, May 15 from Knoxville to Washington, returning Sun, May 17, priced at $328 found 5 days ago

Tue, May 12 - Thu, May 21

TYS

Knoxville

IAD

Washington

$384 Roundtrip, found 5 days ago

$384

Roundtrip

found 5 days ago

Select United flight, departing Tue, May 12 from Knoxville to Washington, returning Thu, May 21, priced at $384 found 5 days ago

Thu, May 14 - Mon, May 18

TYS

Knoxville

IAD

Washington

$409 Roundtrip, found 7 hours ago

$409

Roundtrip

found 7 hours ago

Select United flight, departing Thu, May 14 from Knoxville to Washington, returning Mon, May 18, priced at $409 found 7 hours ago

Thu, May 14 - Mon, May 18

TYS

Knoxville

IAD

Washington

$419 Roundtrip, found 7 hours ago

$419

Roundtrip

found 7 hours ago

Select United flight, departing Thu, May 14 from Knoxville to Washington, returning Mon, May 18, priced at $419 found 7 hours ago

Thu, May 14 - Mon, May 18

TYS

Knoxville

IAD

Washington

$425 Roundtrip, found 7 hours ago

$425

Roundtrip

found 7 hours ago

Select United flight, departing Thu, May 14 from Knoxville to Washington, returning Mon, May 18, priced at $425 found 7 hours ago

Thu, May 14 - Mon, May 18

TYS

Knoxville

IAD

Washington

$439 Roundtrip, found 7 hours ago

$439

Roundtrip

found 7 hours ago

Select United flight, departing Thu, May 14 from Knoxville to Washington, returning Mon, May 18, priced at $439 found 7 hours ago

Thu, May 14 - Mon, May 18

TYS

Knoxville

IAD

Washington

$446 Roundtrip, found 7 hours ago

$446

Roundtrip

found 7 hours ago

Select United flight, departing Thu, May 14 from Knoxville to Washington, returning Mon, May 18, priced at $446 found 7 hours ago