Cheap Flights from Knoxville to Philadelphia
No deal from Knoxville to Philadelphia has cleared our price bar yet. What we have seen on the route is below.
Across 3 months of observations from Knoxville to Philadelphia, the lowest round-trip fare we recorded was $82, in October. The typical fare was $374. October was the cheapest month we saw and August the dearest.
The most recent price we saw on this route was $82 on Allegiant, seen Oct 31. It is an unverified observation and may have changed.
See every deal from Knoxville, to Philadelphia, or the return direction Philadelphia to Knoxville.
Latest price we saw: Knoxville to Philadelphia
The most recent round-trip fare our sweep found on this route. It is not verified and may have changed since the date shown.
| From | Price | Per mile | Travel dates | Airline | Seen | Check price |
|---|---|---|---|---|---|---|
| Knoxville (TYS) to Philadelphia (PHL) | $82 | 7.4¢ | Jan 22 – Jan 29 | Allegiant | Oct 31 | Check price |
Price history: Knoxville to Philadelphia
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $82 | $387 | 6 |
| Sep 2026 | $246 | $301 | 56 |
| Aug 2026 | $430 | $435 | 14 |
Frequently asked questions
How many flight deals from Knoxville to Philadelphia are on Sparkflights right now?
There are 0 verified deals from Knoxville to Philadelphia on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Knoxville to Philadelphia?
The lowest fare we've recorded from Knoxville to Philadelphia is $82, based on 76 price observations over 3 months.
How much does a flight from Knoxville to Philadelphia cost?
The typical round-trip fare we observed from Knoxville to Philadelphia is $374, against a recorded low of $82. These are observations, not quotes.
When is the cheapest month to fly Knoxville to Philadelphia?
October was the cheapest month we observed from Knoxville to Philadelphia and August the dearest, over 3 months of data.
What is the current price from Knoxville to Philadelphia?
The most recent fare our sweep saw from Knoxville to Philadelphia is $82, on Oct 31. It is an unverified observation rather than a verified deal, so check it before booking.