Cheap flights from Philadelphia to Eastern Tennessee

View AU$536 flight on Thu, 23 Oct. 2025Opens in a new window

Popular airlines from Philadelphia to Eastern Tennessee

  • American Airlines

    American Airlines

  • Delta

    Delta

  • United

    United

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Philadelphia (ILG) to Eastern Tennessee (CHA)

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

American Airlines
Thu, 23 Oct. - Sun, 26 Oct.
PHL
Philadelphia
TYS
Knoxville
AU$689 Return, found 6 days ago
AU$689
Return
found 6 days ago
Select American Airlines flight, departing Thu, 23 Oct. from Philadelphia to Knoxville, returning Sun, 26 Oct., priced at AU$689 found 6 days ago
American Airlines
Thu, 23 Oct. - Sun, 26 Oct.
PHL
Philadelphia
TYS
Knoxville
AU$704 Return, found 6 days ago
AU$704
Return
found 6 days ago
Select American Airlines flight, departing Thu, 23 Oct. from Philadelphia to Knoxville, returning Sun, 26 Oct., priced at AU$704 found 6 days ago
Delta
Thu, 23 Oct. - Sun, 26 Oct.
PHL
Philadelphia
TYS
Knoxville
AU$719 Return, found 6 days ago
AU$719
Return
found 6 days ago
Select Delta flight, departing Thu, 23 Oct. from Philadelphia to Knoxville, returning Sun, 26 Oct., priced at AU$719 found 6 days ago
American Airlines
Thu, 23 Oct. - Sun, 26 Oct.
PHL
Philadelphia
TYS
Knoxville
AU$744 Return, found 6 days ago
AU$744
Return
found 6 days ago
Select American Airlines flight, departing Thu, 23 Oct. from Philadelphia to Knoxville, returning Sun, 26 Oct., priced at AU$744 found 6 days ago
American Airlines
Thu, 23 Oct. - Sun, 26 Oct.
PHL
Philadelphia
TYS
Knoxville
AU$759 Return, found 6 days ago
AU$759
Return
found 6 days ago
Select American Airlines flight, departing Thu, 23 Oct. from Philadelphia to Knoxville, returning Sun, 26 Oct., priced at AU$759 found 6 days ago
United
Thu, 23 Oct. - Sun, 26 Oct.
PHL
Philadelphia
TYS
Knoxville
AU$864 Return, found 6 days ago
AU$864
Return
found 6 days ago
Select United flight, departing Thu, 23 Oct. from Philadelphia to Knoxville, returning Sun, 26 Oct., priced at AU$864 found 6 days ago

Find the cheapest month to fly from Philadelphia (PHL) to Knoxville (TYS)

October is typically the cheapest month to fly

From AU$120 - AU$719 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.