$415 Cheap United flights Philadelphia (PHL) to Knoxville (TYS)

$415 Cheap United flights Philadelphia (PHL) to Knoxville (TYS)

Prices were available within the past 7 days and start at $415 for one-way flights and $519 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jul 4 - Thu, Jul 9

PHL

Philadelphia

TYS

Knoxville

$519 Roundtrip, found 1 day ago

$519

Roundtrip

found 1 day ago

Select United flight, departing Sat, Jul 4 from Philadelphia to Knoxville, returning Thu, Jul 9, priced at $519 found 1 day ago

Tue, Jul 7 - Sun, Jul 12

PHL

Philadelphia

TYS

Knoxville

$529 Roundtrip, found 1 day ago

$529

Roundtrip

found 1 day ago

Select United flight, departing Tue, Jul 7 from Philadelphia to Knoxville, returning Sun, Jul 12, priced at $529 found 1 day ago

Tue, May 19 - Mon, May 25

PHL

Philadelphia

TYS

Knoxville

$552 Roundtrip, found 5 days ago

$552

Roundtrip

found 5 days ago

Select United flight, departing Tue, May 19 from Philadelphia to Knoxville, returning Mon, May 25, priced at $552 found 5 days ago

Mon, Jul 6 - Sun, Jul 12

PHL

Philadelphia

TYS

Knoxville

$559 Roundtrip, found 1 day ago

$559

Roundtrip

found 1 day ago

Select United flight, departing Mon, Jul 6 from Philadelphia to Knoxville, returning Sun, Jul 12, priced at $559 found 1 day ago

Wed, May 20 - Sun, May 24

PHL

Philadelphia

TYS

Knoxville

$572 Roundtrip, found 5 days ago

$572

Roundtrip

found 5 days ago

Select United flight, departing Wed, May 20 from Philadelphia to Knoxville, returning Sun, May 24, priced at $572 found 5 days ago