Find cheap flights from Knoxville to Philadelphia starting at $29.
Book one-way or return flights from Knoxville to Philadelphia from as little as $29. Choose from the popular airlines below and book your flight today!
- One way
- Round-trip
- TYS09:071h 52mDirectPHL10:59Thu, May 16|Knoxville - Philadelphia|Frontier Airlines$29$11876% OFF76% OFF$118$29
- TYS08:461h 53mDirectPHL10:39Tue, May 21|Knoxville - Philadelphia|Frontier Airlines$32$11873% OFF73% OFF$118$32
- TYS09:221h 52mDirectPHL11:14Sun, Jun 2|Knoxville - Philadelphia|Frontier Airlines$47$11860% OFF60% OFF$118$47
- TYS09:021h 52mDirectPHL10:54Sun, May 19|Knoxville - Philadelphia|Frontier Airlines$47$47
- TYS10:471h 52mDirectPHL12:39Thu, Jun 27|Knoxville - Philadelphia|Frontier Airlines$48$48
- TYS10:471h 52mDirectPHL12:39Sun, Jun 9|Knoxville - Philadelphia|Frontier Airlines$48$48
- TYS08:138h 8m1 stopTTN16:21Thu, May 9|Knoxville - Philadelphia|Frontier Airlines$50$50
- TYS10:471h 52mDirectPHL12:39Sun, Jun 16|Knoxville - Philadelphia|Frontier Airlines$53$53
- TYS21:5511h 18m1 stopPHL09:13Thu, May 23|Knoxville - Philadelphia|Frontier Airlines$54$54
- TYS08:4823h 48m1 stopTTN08:36Tue, May 14|Knoxville - Philadelphia|Frontier Airlines$57$57
- TYS13:003h 5mDirectPHL14:00Sun, May 5|Knoxville - Philadelphia|Frontier AirlinesFind More FlightsFind More Flights
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
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Find more flights and airlines
Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Knoxville to Philadelphia.
- CheapestTYS09:071h 52mDirectPHL10:59Mcghee Tyson Airport - Philadelphia International AirportThu, May 16Frontier Airlines$29
- TYS08:138h 8m1 transferTTN16:21Mcghee Tyson Airport - Trenton Mercer AirportThu, May 9Frontier Airlines$50
- TYS08:138h 8m1 transferTTN16:21Mcghee Tyson Airport - Trenton Mercer AirportThu, May 9Frontier Airlines$50Find More Flights
Frequently Asked Questions
How to find a cheap flight from Knoxville to Philadelphia
Cheapest nonstop flight price | $28 |
---|---|
Cheapest round-trip ticket price | $57 |
Off-season for travel | May |
Peak season for travel | October |
Flight distance | 891.99km |
Average flight time | 1 hour 51 minutes |
Popular airline | American Airlines |
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