US$29️ Cheap Flights from Knoxville to Philadelphia (2024)

Flights from Knoxville to Philadelphia

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Find cheap one-way flights from Knoxville to Philadelphia starting at CNY 29.

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to book flights from Knoxville to Philadelphia?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Cheapest airlines flights from Knoxville to Philadelphia

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines

From US$29

American Airlines

From US$124

Delta Air Lines

From US$126

Allegiant Air

From US$179

United Airlines

From US$198

ANA airlines

Find more flights and airlines

Find cheap flights from Knoxville to Philadelphia by different airports

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Knoxville to Philadelphia.

Cheapest
TYS
09:07
1h 52m
Direct
PHL
10:59
Mcghee Tyson Airport - Philadelphia International Airport
Thu, May 16Frontier Airlines
US$29
TYS
07:58
24h 38m
1 transfer
TTN
08:36
Mcghee Tyson Airport - Trenton Mercer Airport
Sun, Apr 21Frontier Airlines
US$67
TYS
07:58
24h 38m
1 transfer
TTN
08:36
Mcghee Tyson Airport - Trenton Mercer Airport
Sun, Apr 21Frontier Airlines
US$67
Find More Flights

Frequently Asked Questions

When are flight tickets from Knoxville (TYS) to Philadelphia (PHL) the cheapest?
Airlines adjust prices for flights from Knoxville to Philadelphia based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from Knoxville (TYS) to Philadelphia (PHL) cost?
According to Trip.com's data, the lowest price is around $403.
How long does it take to fly from Knoxville (TYS) to Philadelphia (PHL) and what is the distance?
It takes around 1 hour 51 minutes to fly from Knoxville (TYS) to Philadelphia (PHL).
What are the most popular airlines that fly from Knoxville (TYS) to Philadelphia (PHL)?
Airlines with flights from Knoxville (TYS) to Philadelphia (PHL): American Airlines, British Airways and Qatar Airways.

How to find a cheap flight from Knoxville to Philadelphia

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Knoxville to Philadelphia. Book your flights at the right time and save more.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

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Look Out for Deals

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Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

Save up to £10 per person when booking your flights on Trip.com

Knoxville to Philadelphia Flight Information

Cheapest nonstop flight price	$29
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