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Cheap flights from Philadelphia to Knoxville from $102

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 8/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Philadelphia to Knoxville

Cheap round-trip flights

Logo
3:46 pm - 11:12 pmPHL-TYS
7h 26m1 stop
Logo
4:41 pm - 11:20 pmTYS-PHL
6h 39m1 stop
$208
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Mon, Aug 25 - Sat, Aug 30
Logo
5:45 am - 4:05 pmPHL-TYS
10h 20m1 stop
Logo
4:31 pm - 11:47 pmTYS-PHL
7h 16m1 stop
$213
Find Deal
Wed, Sep 3 - Wed, Sep 10
Logo
5:05 am - 3:51 pmPHL-TYS
10h 46m1 stop
Logo
4:31 pm - 11:47 pmTYS-PHL
7h 16m1 stop
$216
Find Deal
Sat, Aug 30 - Sat, Sep 6
Delta Logo
6:25 pm - 11:44 pmPHL-TYS
5h 19m1 stop
Delta Logo
8:35 am - 1:30 pmTYS-PHL
4h 55m1 stop
$219Delta
Find Deal
Wed, Sep 24 - Sat, Sep 27
Delta Logo
9:00 am - 1:08 pmPHL-TYS
4h 08m1 stop
Delta Logo
5:45 am - 10:30 amTYS-PHL
4h 45m1 stop
$221Delta
Find Deal
Wed, Sep 3 - Wed, Sep 10
Delta Logo
5:25 am - 10:27 amPHL-TYS
5h 02m1 stop
Delta Logo
5:45 am - 10:36 amTYS-PHL
4h 51m1 stop
$226Delta
Find Deal
Sat, Aug 30 - Sun, Aug 31
Delta Logo
5:25 am - 9:30 amPHL-TYS
4h 05m1 stop
Delta Logo
5:45 am - 10:30 amTYS-PHL
4h 45m1 stop
$227Delta
Find Deal
Thu, Aug 21 - Thu, Aug 28
Frontier Logo
6:15 am - 4:29 pmPHL-TYS
10h 14m1 stop
Frontier Logo
8:36 pm - 4:54 amTYS-PHL
8h 18m1 stop
$238Frontier
Find Deal
Thu, Aug 14 - Thu, Aug 21
Frontier Logo
6:25 am - 7:41 pmPHL-TYS
13h 16m1 stop
Frontier Logo
8:40 pm - 12:57 amTYS-PHL
28h 17m1 stop
$245Frontier
Find Deal
Thu, Aug 28 - Thu, Sep 4
Frontier Logo
6:25 am - 7:41 pmPHL-TYS
13h 16m1 stop
Frontier Logo
8:33 pm - 4:54 amTYS-PHL
8h 21m1 stop
$278Frontier
Find Deal
Thu, Aug 28 - Sun, Aug 31

Delta flights from Philadelphia to Knoxville

Our best Delta deals on Philadelphia to Knoxville flight tickets
Delta
Sep 24
PHL6:25 pmPhiladelphia
5h 19m
1 stop
TYS11:44 pmKnoxville McGhee Tyson
Sep 27
TYS8:35 amKnoxville McGhee Tyson
4h 55m
1 stop
PHL1:30 pmPhiladelphia
$219
Find similar
Delta
Sep 3
PHL9:00 amPhiladelphia
4h 08m
1 stop
TYS1:08 pmKnoxville McGhee Tyson
Sep 10
TYS5:45 amKnoxville McGhee Tyson
4h 45m
1 stop
PHL10:30 amPhiladelphia
$221
Find similar
Delta
Aug 30
PHL5:25 amPhiladelphia
5h 02m
1 stop
TYS10:27 amKnoxville McGhee Tyson
Aug 31
TYS5:45 amKnoxville McGhee Tyson
4h 51m
1 stop
PHL10:36 amPhiladelphia
$226
Find similar

American Airlines flights from Philadelphia to Knoxville

Our best American Airlines deals on Philadelphia to Knoxville flight tickets
American Airlines
Aug 2
PHL6:38 pmPhiladelphia
2h 01m
TYS8:39 pmKnoxville McGhee Tyson
Aug 9
TYS7:31 amKnoxville McGhee Tyson
1h 58m
PHL9:29 amPhiladelphia
$411
Find similar
American Airlines
Aug 2
PHL6:38 pmPhiladelphia
2h 01m
TYS8:39 pmKnoxville McGhee Tyson
Aug 6
TYS5:27 pmKnoxville McGhee Tyson
6h 57m
1 stop
PHL12:24 amPhiladelphia
$421
Find similar
American Airlines
Aug 2
PHL4:25 pmPhiladelphia
5h 07m
1 stop
TYS9:32 pmKnoxville McGhee Tyson
Aug 6
TYS7:55 amKnoxville McGhee Tyson
6h 55m
1 stop
PHL2:50 pmPhiladelphia
$451
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Philadelphia to Knoxville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 1, 2025.
Use the filters below to find and compare flights from Philadelphia to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Mon 8/25

3:46 pm-11:12 pm

1 stop7h 26m

Knoxville McGhee Tyson

Sat 8/30

4:41 pm-11:20 pm

1 stop6h 39m

$208

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Wed 9/3

5:45 am-4:05 pm

1 stop10h 20m

Knoxville McGhee Tyson

Wed 9/10

4:31 pm-11:47 pm

1 stop7h 16m

$213

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Sat 8/30

5:05 am-3:51 pm

1 stop10h 46m

Knoxville McGhee Tyson

Sat 9/6

4:31 pm-11:47 pm

1 stop7h 16m

$216

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Wed 9/24

6:25 pm-11:44 pm

1 stop5h 19m

Knoxville McGhee Tyson

Sat 9/27

8:35 am-1:30 pm

1 stop4h 55m

$219

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Wed 9/3

9:00 am-1:08 pm

1 stop4h 08m

Knoxville McGhee Tyson

Wed 9/10

5:45 am-10:30 am

1 stop4h 45m

$221

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Sat 8/30

5:25 am-10:27 am

1 stop5h 02m

Knoxville McGhee Tyson

Sun 8/31

5:45 am-10:36 am

1 stop4h 51m

$226

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Thu 8/21

5:25 am-9:30 am

1 stop4h 05m

Knoxville McGhee Tyson

Thu 8/28

5:45 am-10:30 am

1 stop4h 45m

$227

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Thu 8/14

6:15 am-4:29 pm

1 stop10h 14m

Knoxville McGhee Tyson

Thu 8/21

8:36 pm-4:54 am

1 stop8h 18m

$238

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Thu 8/28

6:25 am-7:41 pm

1 stop13h 16m

Knoxville McGhee Tyson

Thu 9/4

8:40 pm-12:57 am

1 stop28h 17m

$245

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Thu 8/28

6:25 am-7:41 pm

1 stop13h 16m

Knoxville McGhee Tyson

Sun 8/31

8:33 pm-4:54 am

1 stop8h 21m

$278

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 August is, on average, the cheapest month to fly to Knoxville from Philadelphia, with most prices found around $328. If you aren’t able to travel during the month of August, then book flights to Knoxville from Philadelphia during October instead. Flights to Knoxville in October, while not as cheap as those in August, still average around $383.

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 $383. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Philadelphia to Knoxville for around $483.

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 $280. 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 $449.

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 weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around $430 when searching 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 $318 on momondo.

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

There are 3 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.

Can stopping save me money on Philadelphia to Knoxville flights?

You could potentially save up to 35% on your flight if you consider stops on a Philadelphia to Knoxville flight.

How have Philadelphia to Knoxville flight prices changed over time?

As of August 2025, prices for Philadelphia to Knoxville flights are approximately 74% 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

$102

Fastest flight time

2h 04m

Direct flights

Every day

Airports in Knoxville

1 airport
The best one-way flight to Knoxville from Philadelphia in the past 72 hours is $102. The best round-trip flight deal from Philadelphia to Knoxville found on momondo in the last 72 hours is $208.
The fastest flight from Philadelphia to Knoxville takes 2h 04m
Direct flights go from Philadelphia to Knoxville every day.
There is 1 airport near Knoxville: Knoxville McGhee Tyson (TYS)
Search flight deals

  • 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 3h 59m.

  • 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 $78Free CancellationRating
5.9
3,239 reviews
Search Frontier flights
United AirlinesPriceFrom $170Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
DeltaPriceFrom $198Free CancellationRating
8.0
7,981 reviews
Search Delta flights
American AirlinesPriceFrom $261Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

  • American Airlines Flights From Philadelphia to Knoxville

    The lowest priced American Airlines flight from Philadelphia to Knoxville from the last 72 hours was $261. Generally, American Airlines has 18 flights on this route every week with an average price of $440. 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
Maryville
Murphy
Newport
Alcoa
Lenoir City
Oak Ridge
Kodak
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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