Cheap flights from Philadelphia International to Knoxville

Compare Philadelphia International to Knoxville flight deals

Find the cheapest month or even day of the year to fly to Knoxville

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Flight deals from Philadelphia International to Knoxville

Looking for a cheap last-minute deal or the best round-trip flight from Philadelphia International to Knoxville? Find the lowest prices on one-way and round-trip tickets right here.

Knoxville.C$270 per passenger.Departing Sat, Jul 20, returning Sat, Jul 27.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Philadelphia International on Sat, Jul 20, arriving in Knoxville.Inbound indirect flight with Delta, departing from Knoxville on Sat, Jul 27, arriving in Philadelphia International.Price includes taxes and charges.From C$270, select.

Knoxville.C$270 per passenger.Departing Wed, Aug 14, returning Wed, Aug 28.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Philadelphia International on Wed, Aug 14, arriving in Knoxville.Inbound indirect flight with Delta, departing from Knoxville on Wed, Aug 28, arriving in Philadelphia International.Price includes taxes and charges.From C$270, select.

Knoxville.C$345 per passenger.Departing Sat, Sep 14, returning Mon, Sep 16.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Philadelphia International on Sat, Sep 14, arriving in Knoxville.Inbound indirect flight with Delta, departing from Knoxville on Mon, Sep 16, arriving in Philadelphia International.Price includes taxes and charges.From C$345, select.

Knoxville.C$345 per passenger.Departing Thu, Jun 6, returning Sun, Jun 9.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Philadelphia International on Thu, Jun 6, arriving in Knoxville.Inbound indirect flight with Delta, departing from Knoxville on Sun, Jun 9, arriving in Philadelphia International.Price includes taxes and charges.From C$345, select.

Knoxville.C$359 per passenger.Departing Thu, May 30, returning Sun, Jun 2.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Philadelphia International on Thu, May 30, arriving in Knoxville.Inbound indirect flight with Delta, departing from Knoxville on Sun, Jun 2, arriving in Philadelphia International.Price includes taxes and charges.From C$359, select.

Knoxville.C$366 per passenger.Departing Tue, Oct 8, returning Sat, Oct 12.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Philadelphia International on Tue, Oct 8, arriving in Knoxville.Inbound indirect flight with Delta, departing from Knoxville on Sat, Oct 12, arriving in Philadelphia International.Price includes taxes and charges.From C$366, select.

Knoxville.C$449 per passenger.Departing Thu, Aug 29, returning Mon, Sep 2.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Philadelphia International on Thu, Aug 29, arriving in Knoxville.Inbound indirect flight with Frontier Airlines, departing from Knoxville on Mon, Sep 2, arriving in Philadelphia International.Price includes taxes and charges.From C$449, select.

Knoxville.C$490 per passenger.Departing Thu, Nov 7, returning Mon, Nov 11.Round-trip flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departing from Philadelphia International on Thu, Nov 7, arriving in Knoxville.Inbound indirect flight with Frontier Airlines, departing from Knoxville on Mon, Nov 11, arriving in Philadelphia International.Price includes taxes and charges.From C$490, select.

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Find the cheapest month to fly from Philadelphia International to Knoxville

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Philadelphia International to Knoxville flights are currently cheapest in July.

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Direct flights from Philadelphia International to Knoxville

Philadelphia International to Knoxville: Alternative routes

Compare routes from Philadelphia International to Knoxville below. You may find an airport to fly into that's cheaper, faster, or easier than Knoxville.

Philadelphia to Knoxville: Flight information

The things to know before you go.

Cheapest flight found	C$270
Cheapest month to fly	July
Average flight time	2 hrs, 2 mins
Most popular airline	American Airlines
Average flights per week	103

Finding cheap flights from Philadelphia International to Knoxville: Frequently asked questions

: The best price we found for a round-trip flight from Philadelphia International to Knoxville is C$270. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
: 2 hours and 2 minutes is the average flight time from Philadelphia International to Knoxville.
: American Airlines, Piedmont Airlines As American Eagle and Alaska Airlines fly direct from Philadelphia International to Knoxville.
: There are 103 flights per week flying from Philadelphia International to Knoxville, as of May 2024.
: The cheapest month to fly from Philadelphia International to Knoxville is usually July.
: After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Philadelphia International Airport to Knoxville Airport on Saturday, July 20, 2024.
: Yes – the average flight time is 2 hours and 2 minutes.
: We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Knoxville but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
: We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Knoxville is around 40 days in advance, so don’t leave your flight to the last minute.
: Currently, Delta and Frontier Airlines offer the cheapest flight tickets to Knoxville.

How to find cheap flights to Knoxville (TYS) from Philadelphia (PHL) in 2024

Looking for cheap tickets from Philadelphia International to Knoxville? Round-trip tickets start from C$270 and one-way flights to Knoxville from Philadelphia International start from C$210

Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

Simply hit "search." From American Airlines to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from Philadelphia to Knoxville. And with us, there are no hidden fees – what you see is what you pay.
Compare flight deals to Knoxville from Philadelphia from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Knoxville start from C$210 one-way.
Flex your dates to find the best PHL–TYS ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's "Whole month" tool to find the cheapest month, and even day to fly to Knoxville from Philadelphia International.
Set up a Price Alert. You can easily track the fare of your cheap Philadelphia-Knoxville flights by creating an alert. Whenever prices go up or down, you'll get an email or push notification to help make sure you get the best possible flight deal.
Fly without stops. Only interested in direct flights between Philadelphia International and Knoxville? Make sure to check "Direct flights only" when performing a search. If there are direct flights available on the route, these will appear in the results. Airlines that fly direct include: American Airlines
Piedmont Airlines As American Eagle
Alaska Airlines
Qatar Airways
PSA Airlines
British Airways
Republic Airways
Frontier Airlines
Find the cheapest Business class flights from Philadelphia International and Knoxville. We scour the Internet for the best Business, Premium Economy and First Class flight fares to Knoxville, too. Check the difference in price as you search – you might just chance upon a last-minute deal. Note that not all cabin classes are available for every destination or airline.
Flexible on when you travel? The cheapest month to fly from Philadelphia International to Knoxville is July.
Include nearby airports in your search. Widen your search for Philadelphia International to Knoxville flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.
Search for cheap flights regardless of where you are. To get the best flight booking experience when out and about, download the app and search for plane tickets between Philadelphia International and Knoxville whenever you want.

Combine your flight to Knoxville from Philadelphia International with hotels and car rental

Once you've secured your cheap flight ticket from Philadelphia International to Knoxville, discover the best prices and exclusive rates for hotels in Knoxville or nearby. You can also compare hundreds of car rental companies all at once so you get the best car rental price for your trip.

Plan the rest of your trip from Philadelphia to Knoxville

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.