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Cheap flights from Philadelphia to Knoxville from $99

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Philadelphia to Knoxville departing on 5/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Philadelphia to Knoxville

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Philadelphia to Knoxville.
 Logo
5:45 am - 4:12 pmPHL-TYS
10h 27m1 stop
 Logo
11:24 am - 9:53 amTYS-PHL
22h 29m1 stop
Tue, May 27 - Wed, May 28
 Logo
7:12 pm - 11:15 pmPHL-TYS
28h 03m1 stop
 Logo
6:00 am - 7:48 amTYS-PHL
25h 48m1 stop
Fri, May 30 - Mon, Jun 2
Frontier Logo
6:15 am - 4:35 pmPHL-TYS
10h 20m1 stop
Frontier Logo
5:25 pm - 5:10 amTYS-PHL
11h 45m1 stop
$250Frontier
Find Deal
Thu, May 29 - Sun, Jun 1
Frontier Logo
6:15 am - 4:29 pmPHL-TYS
10h 14m1 stop
Frontier Logo
5:25 pm - 5:09 amTYS-PHL
11h 44m1 stop
$312Frontier
Find Deal
Thu, Jul 3 - Thu, Jul 10
American Airlines Logo
12:45 pm - 9:50 pmPHL-TYS
9h 05m1 stop
American Airlines Logo
6:26 pm - 8:25 pmTYS-PHL
1h 59mnonstop
$347American Airlines
Find Deal
Wed, Jun 11 - Sat, Jun 14
American Airlines Logo
3:35 pm - 5:32 pmPHL-TYS
1h 57mnonstop
American Airlines Logo
6:26 pm - 8:25 pmTYS-PHL
1h 59mnonstop
$355American Airlines
Find Deal
Wed, Jun 11 - Sat, Jun 14
Delta Logo
5:19 pm - 11:59 pmPHL-TYS
6h 40m1 stop
Delta Logo
10:45 am - 4:16 pmTYS-PHL
5h 31m1 stop
$375Delta
Find Deal
Sat, Jun 21 - Wed, Jun 25
Delta Logo
1:00 pm - 5:35 pmPHL-TYS
4h 35m1 stop
Delta Logo
5:30 am - 9:29 amTYS-PHL
3h 59m1 stop
$416Delta
Find Deal
Sat, Jul 5 - Fri, Jul 11
United Airlines Logo
3:00 pm - 10:42 pmPHL-TYS
7h 42m2 stops
United Airlines Logo
7:00 am - 11:54 amTYS-PHL
4h 54m1 stop
$429United Airlines
Find Deal
Wed, Sep 10 - Sun, Sep 14
United Airlines Logo
6:15 am - 4:57 pmPHL-TYS
10h 42m2 stops
United Airlines Logo
5:38 pm - 12:45 amTYS-PHL
7h 07m1 stop
$462United Airlines
Find Deal
Fri, May 30 - Mon, Jun 2

Frontier flights from Philadelphia to Knoxville

Our best Frontier deals on Philadelphia to Knoxville flight tickets
Frontier
May 29
PHL6:15 amPhiladelphia
10h 20m
1 stop
TYS4:35 pmKnoxville McGhee Tyson
Jun 1
TYS5:25 pmKnoxville McGhee Tyson
11h 45m
1 stop
PHL5:10 amPhiladelphia
Frontier
Jul 3
PHL6:15 amPhiladelphia
10h 14m
1 stop
TYS4:29 pmKnoxville McGhee Tyson
Jul 10
TYS5:25 pmKnoxville McGhee Tyson
11h 44m
1 stop
PHL5:09 amPhiladelphia
Frontier
Jun 12
PHL6:15 amPhiladelphia
10h 14m
1 stop
TYS4:29 pmKnoxville McGhee Tyson
Jun 15
TYS5:25 pmKnoxville McGhee Tyson
11h 45m
1 stop
PHL5:10 amPhiladelphia

Delta flights from Philadelphia to Knoxville

Our best Delta deals on Philadelphia to Knoxville flight tickets
Delta
Jun 21
PHL5:19 pmPhiladelphia
6h 40m
1 stop
TYS11:59 pmKnoxville McGhee Tyson
Jun 25
TYS10:45 amKnoxville McGhee Tyson
5h 31m
1 stop
PHL4:16 pmPhiladelphia
Delta
Jul 5
PHL1:00 pmPhiladelphia
4h 35m
1 stop
TYS5:35 pmKnoxville McGhee Tyson
Jul 11
TYS5:30 amKnoxville McGhee Tyson
3h 59m
1 stop
PHL9:29 amPhiladelphia
Delta
Apr 30
PHL8:05 amPhiladelphia
5h 43m
1 stop
TYS1:48 pmKnoxville McGhee Tyson
May 3
TYS5:30 amKnoxville McGhee Tyson
4h 54m
1 stop
PHL10:24 amPhiladelphia

See travel insights to Knoxville from

How to get the cheapest flight ticket from Philadelphia to Knoxville

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Knoxville?

The month of June is, on average, the cheapest month to fly to Knoxville from Philadelphia, with most prices found around $239. If you aren’t able to travel during the month of June, then book flights to Knoxville from Philadelphia during July instead. Flights to Knoxville in July, while not as cheap as those in June, still average around $271.

What is the cheapest day to depart on your flight to Knoxville?

The cheapest day to depart from Philadelphia to Knoxville is on a Tuesday. Travelers who choose to depart for Knoxville on a Tuesday will often find tickets for as low as $270. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Philadelphia to Knoxville for around $430.

What is the cheapest time of day to depart on your flight to Knoxville?

In the evening is the cheapest time of day to fly from Philadelphia to Knoxville when you can find flight prices for as low as $100. Flying to Knoxville in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Knoxville is in the afternoon when prices are around $408.

What is the cheapest Philadelphia to Knoxville McGhee Tyson flight route?

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

How far in advance should I book a flight to Knoxville?

You are more likely to see cheaper flights to Knoxville from Philadelphia when booking 15 weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around $375 when searching 15 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Knoxville from Philadelphia for as low as $234 on momondo.

What cabin class options are available on Philadelphia to Knoxville McGhee Tyson flights?

There are 2 cabin classes available to choose from on Philadelphia to Knoxville McGhee Tyson flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Philadelphia to Knoxville flight prices changed over time?

As of April 2025, prices for Philadelphia to Knoxville flights are approximately 66% cheaper when compared to flights at the same time last year.

When to book flights from Philadelphia to Knoxville

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Knoxville according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Philadelphia to Knoxville (PHL to TYS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Knoxville

Best Price Found

$99

Fastest flight time

1h 57m

Direct flights

Every day

Airports in Knoxville

1 airport
The best one-way flight to Knoxville from Philadelphia in the past 72 hours is $99. The best round-trip flight deal from Philadelphia to Knoxville found on momondo in the last 72 hours is $224.
The fastest flight from Philadelphia to Knoxville takes 1h 57m
Direct flights go from Philadelphia to Knoxville every day.
There is 1 airport near Knoxville: Knoxville McGhee Tyson (TYS)

  • How far is Philadelphia to Knoxville McGhee Tyson by plane?

    There are 550.8 mi between Philadelphia and Knoxville McGhee Tyson. A reasonable flight in good conditions will take 1h 57m.

  • When did momondo last update prices for flights from Philadelphia Airport to Knoxville McGhee Tyson Airport?

    Prices for flights from Philadelphia Airport to Knoxville McGhee Tyson Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Philadelphia Airport to Knoxville McGhee Tyson Airport?

  • How old do you have to be to fly from Philadelphia Airport to Knoxville McGhee Tyson Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Knoxville McGhee Tyson Airport.

  • What documentation or ID do you need to fly to Knoxville McGhee Tyson Airport?

    The travel and health documents required for your trip to Knoxville McGhee Tyson Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Knoxville McGhee Tyson Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Philadelphia to Knoxville?

  • What is the most popular airline from Philadelphia to Knoxville?


Best airlines flying from Philadelphia to Knoxville

Compare and see reviews for airlines that fly from Philadelphia to Knoxville with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $52Free CancellationRating
6.0
3,281 reviews
Search Frontier flights
American AirlinesPriceFrom $157Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $170Free CancellationRating
7.4
8,667 reviews
Search United Airlines flights
DeltaPriceFrom $176Free CancellationRating
8.0
7,916 reviews
Search Delta flights
  • American Airlines Flights From Philadelphia to Knoxville

    The lowest priced American Airlines flight from Philadelphia to Knoxville from the last 72 hours was $157. Generally, American Airlines has 21 flights on this route every week with an average price of $382. American Airlines is rated 7.2/10 by our users.


Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Pigeon Forge
Gatlinburg
Cherokee
Bryson City
Morristown
Corbin
Crossville
Murphy
Maryville
Newport
Alcoa
Oak Ridge
Kodak
Lenoir City
Dandridge
Clinton
Jefferson City
Rockford

Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Knoxville?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Philadelphia to Knoxville. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Philadelphia to Knoxville with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Knoxville from Philadelphia with this policy.

How can momondo help me find flights from Philadelphia to Knoxville?

momondo provides multiple filters to help you find the best flight to Knoxville from Philadelphia. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Philadelphia to Knoxville right now. Can momondo alert me if prices change?

Price alerts on flights to Knoxville from Philadelphia are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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