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Knoxville to Philadelphia Flights on Allegiant from $39*
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1 Passenger
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*Modifying this information may result in a different fare
Flights from Knoxville to Philadelphia
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*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: August 13 2026 | From $39 Seen: 15 hrs ago |
| Knoxville (TYS) | Philadelphia (PHL) | One-way / Economy | Departing: June 11 2026 | From $39 Seen: 10 hrs ago |
| Knoxville (TYS) | Philadelphia (PHL) | One-way / Economy | Departing: June 25 2026 | From $49 Seen: 19 hrs ago |
| Knoxville (TYS) | Philadelphia (PHL) | One-way / Economy | Departing: July 9 2026 | From $39 Seen: 1 day ago |
| Knoxville (TYS) | Philadelphia (PHL) | One-way / Economy | Departing: July 12 2026 | From $44 Seen: 1 day ago |
| Knoxville (TYS) | Philadelphia (PHL) | One-way / Economy | Departing: June 6 2026 | From $55 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.
