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

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

Prices were available within the past 7 days and start at for one-way flights and $693 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, May 9 - Thu, May 14

TYS

Knoxville

PHL

Philadelphia

$693 Roundtrip, found 1 day ago

$693

Roundtrip

found 1 day ago

Select United flight, departing Sat, May 9 from Knoxville to Philadelphia, returning Thu, May 14, priced at $693 found 1 day ago