Knoxville to Philadelphia Flights on Allegiant from $94*
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Flights from Knoxville to Philadelphia
*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 Knoxville to Philadelphia
From | To | Fare Type | Dates | Price |
|---|---|---|---|---|
| Knoxville (TYS) | Philadelphia (PHL) | One-way / Economy | Departing: June 28 2026 | From $94 Seen: 5 hrs ago |
| Knoxville (TYS) | Philadelphia (PHL) | One-way / Economy | Departing: May 24 2026 | From $94 Seen: 1 day ago |
| Knoxville (TYS) | Philadelphia (PHL) | One-way / Economy | Departing: May 21 2026 | From $112 Seen: 1 day 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.
