Cheap flights from Philadelphia to Knoxville

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How much is a ticket from Philadelphia to Knoxville?

Flight prices from Philadelphia to Knoxville change depending on demand and time of booking.

Select your dates to check current offers.

Flying at off-peak hours — such as early morning or late evening — can help you save. Also, the best deals tend to appear in the weeks leading up to departure.

Which airports serve Philadelphia and Knoxville?

When planning a trip of about 891 km, it's a good idea to check flights from surrounding airports too.

  • Airports in Philadelphia: Trenton Mercer is also an option alongside Philadelphia - International.
  • Airports in Knoxville: The only active airport in Knoxville is Knoxville - McGhee Tyson.

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

Adjust your flight filters for Philadelphia – Knoxville

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Other popular destinations

Planning a trip to United States? These cities are popular too: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Sorting options let you see the most affordable flights first. Some results may include extra fees shown only at checkout — always read carefully to see what’s included.
Frequently Asked Questions

Frequently asked questions about flights from Philadelphia to Knoxville.

How much does an airline ticket from Philadelphia to Knoxville cost?

Flight prices can vary a lot depending on the period and destination. At the moment, this information is not available for flights from Philadelphia to Knoxville.

How far is Philadelphia from Knoxville?

Philadelphia is about 891 km from Knoxville.

What are the airports in Knoxville?

Knoxville has one airport: Knoxville - McGhee Tyson.

What are the airports in Philadelphia?

Philadelphia has another airport: Trenton Mercer.

What are the most popular cities in United States?

The most popular cities in United States according to our users' searches are: Las Vegas, Los Angeles, Miami, New York City, Orlando.

When should I book a flight from Philadelphia to Knoxville?

The best time to book a flight from Philadelphia to Knoxville is 2 months in advance, while the worst time is 6 weeks in advance.

What is the cheapest month to fly from Philadelphia to Knoxville?

This information is not available at the moment.

What is the most expensive month to fly from Philadelphia to Knoxville?

This information is not available at the moment.

What is the best day of the week to fly from Philadelphia to Knoxville?

This information is not available at the moment.