Cheap flights from Knoxville to Pennsylvania from $28

The month of May is, on average, the cheapest month to fly to Pennsylvania from Knoxville, with most prices found around $78. If you don’t want to visit Pennsylvania in May, then you should wait until July to fly from Knoxville, when ticket prices are also cheap, with an average price of $94.

The cheapest day to depart on your flight to Pennsylvania is on a Friday when prices can be found for as low as $550. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $878. These prices are subject to change though, so be sure to set up a Price Alert for flights to Pennsylvania.

Our most recent data shows that the best time of day to fly to Pennsylvania is in the evening. Flights from Knoxville to Pennsylvania during this time can be as low as $318. In contrast, the most expensive time of day to depart to Pennsylvania is at noon when prices are around $1,034.

Fly from Knoxville McGhee Tyson to Philadelphia for the best Knoxville McGhee Tyson - Pennsylvania flight prices

You are more likely to see cheaper flights to Pennsylvania from Knoxville when booking weeks ahead of your departure date. In general, you can expect to find flights to Pennsylvania for around $475 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Pennsylvania from Knoxville for as low as $162 on momondo.

There are 4 cabin classes available to choose from on Knoxville to Pennsylvania flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Allegiant Air, Southwest, and United Airlines are the most popular carriers operating from Knoxville McGhee Tyson to Pennsylvania

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Pennsylvania from Knoxville according to our data. American Airlines is the first choice among our users, with 71% of people opting to fly with this airline when traveling to Pennsylvania. Keep in mind that there are 5 different airlines that fly to Pennsylvania on a routine basis, so you have a few additional options to choose from.

As of June 2026, there are 36 flights per day flying from Knoxville to Pennsylvania. The most common time of day flights depart is 1:00PM, with 42% of flights taking off in the afternoon.

As of June 2026, 253 flights take off from Knoxville and land in Pennsylvania each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.