Philadelphia to Knoxville Flights on Allegiant from $94*
expand_more
1 Passenger
expand_morePromo Code
expand_moretoday
today
*Modifying this information may result in a different fare
Flights from Philadelphia to Knoxville
*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply.
Deals from Philadelphia to Knoxville
From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Philadelphia (PHL) | Knoxville (TYS) | One-way / Economy | Departing: May 21 2026 | From $94 Seen: 1 day ago |
| Philadelphia (PHL) | Knoxville (TYS) | One-way / Economy | Departing: June 18 2026 | From $103 Seen: 14 hrs ago |
| Philadelphia (PHL) | Knoxville (TYS) | One-way / Economy | Departing: June 28 2026 | From $112 Seen: 16 hrs ago |
| Philadelphia (PHL) | Knoxville (TYS) | One-way / Economy | Departing: May 24 2026 | From $112 Seen: 1 day ago |
| Philadelphia (PHL) | Knoxville (TYS) | One-way / Economy | Departing: June 21 2026 | From $122 Seen: 14 hrs ago |
| Philadelphia (PHL) | Knoxville (TYS) | One-way / Economy | Departing: July 2 2026 | From $134 Seen: 16 hrs ago |
*Fares displayed have been collected within the last 48hrs and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply.
To explore other Allegiant destinations, visit our route map. To earn 3X points on Allegiant purchases, learn more about our Allways Rewards Visa® card.
