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Cheap flights from Philadelphia to Knoxville from $84

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 7/2. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:26 pm - 10:08 am
PHL
-
TYS
16h 42m1 stop
Multiple Airlines Logo
3:50 pm - 11:50 pm
TYS
-
PHL
8h 00m1 stop
$164Multiple Airlines
Tue, Feb 17 - Wed, Feb 25
Multiple Airlines Logo
6:00 am - 6:28 pm
PHL
-
TYS
12h 28m1 stop
Multiple Airlines Logo
11:50 am - 7:04 pm
TYS
-
PHL
7h 14m1 stop
$165Multiple Airlines
Thu, Feb 5 - Thu, Feb 12
Multiple Airlines Logo
10:59 pm - 10:34 am
PHL
-
TYS
11h 35m1 stop
Multiple Airlines Logo
3:50 pm - 11:50 pm
TYS
-
PHL
8h 00m1 stop
$171Multiple Airlines
Sun, Feb 22 - Wed, Feb 25
Allegiant Air Logo
6:27 pm - 8:30 pm
PHL
-
TYS
2h 03mnonstop
Allegiant Air Logo
3:46 pm - 5:36 pm
TYS
-
PHL
1h 50mnonstop
$179Allegiant Air
Thu, Jun 25 - Sun, Jun 28
Multiple Airlines Logo
5:39 pm - 11:10 pm
PHL
-
TYS
5h 31m1 stop
Multiple Airlines Logo
7:22 pm - 10:39 am
TYS
-
PHL
15h 17m1 stop
$184Multiple Airlines
Sun, Feb 8 - Fri, Feb 13
Multiple Airlines Logo
5:05 am - 6:32 pm
PHL
-
TYS
13h 27m1 stop
Multiple Airlines Logo
11:50 am - 12:59 am
TYS
-
PHL
13h 09m1 stop
$187Multiple Airlines
Mon, Feb 23 - Thu, Feb 26
Multiple Airlines Logo
1:06 pm - 10:10 am
PHL
-
TYS
21h 04m1 stop
Multiple Airlines Logo
3:00 pm - 10:59 pm
TYS
-
PHL
7h 59m1 stop
$189Multiple Airlines
Tue, Mar 10 - Tue, Mar 17
Multiple Airlines Logo
5:39 pm - 11:05 pm
PHL
-
TYS
5h 26m1 stop
Multiple Airlines Logo
12:55 pm - 7:57 pm
TYS
-
PHL
7h 02m1 stop
$192Multiple Airlines
Sun, Feb 1 - Fri, Feb 6
Multiple Airlines Logo
5:28 pm - 10:10 am
PHL
-
TYS
16h 42m1 stop
Multiple Airlines Logo
9:43 pm - 12:03 pm
TYS
-
PHL
14h 20m1 stop
$194Multiple Airlines
Mon, Mar 9 - Thu, Mar 12
Multiple Airlines Logo
5:26 pm - 10:06 am
PHL
-
TYS
16h 40m1 stop
Multiple Airlines Logo
11:50 am - 12:59 am
TYS
-
PHL
13h 09m1 stop
$195Multiple Airlines
Tue, Feb 24 - Thu, Feb 26

United Airlines flights from Philadelphia to Knoxville

Our best United Airlines deals on Philadelphia to Knoxville flight tickets
United Airlines
Jan 19
PHL10:30 amPhiladelphia
4h 19m
1 stop
TYS2:49 pmKnoxville McGhee Tyson
Jan 27
TYS11:10 amKnoxville McGhee Tyson
7h 44m
2 stops
PHL6:54 pmPhiladelphia
$520
United Airlines
Jan 21
PHL10:30 amPhiladelphia
4h 19m
1 stop
TYS2:49 pmKnoxville McGhee Tyson
Jan 25
TYS9:30 amKnoxville McGhee Tyson
9h 24m
1 stop
PHL6:54 pmPhiladelphia
$534
United Airlines
Jan 12
PHL1:10 pmPhiladelphia
7h 42m
1 stop
TYS8:52 pmKnoxville McGhee Tyson
Jan 19
TYS7:20 pmKnoxville McGhee Tyson
18h 50m
1 stop
PHL2:10 pmPhiladelphia
$553

American Airlines flights from Philadelphia to Knoxville

Our best American Airlines deals on Philadelphia to Knoxville flight tickets
American Airlines
Jan 17
PHL7:24 pmPhiladelphia
3h 57m
1 stop
TYS11:21 pmKnoxville McGhee Tyson
Jan 20
TYS7:44 amKnoxville McGhee Tyson
1h 55m
PHL9:39 amPhiladelphia
$375
American Airlines
Jan 17
PHL7:24 pmPhiladelphia
3h 57m
1 stop
TYS11:21 pmKnoxville McGhee Tyson
Jan 20
TYS8:09 amKnoxville McGhee Tyson
4h 21m
1 stop
PHL12:30 pmPhiladelphia
$385
American Airlines
Jan 17
PHL12:18 pmPhiladelphia
2h 14m
TYS2:32 pmKnoxville McGhee Tyson
Jan 20
TYS7:44 amKnoxville McGhee Tyson
1h 55m
PHL9:39 amPhiladelphia
$400

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 January 8, 2026.
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

Tue 2/17

5:26 pm-10:08 am

1 stop16h 42m

Knoxville McGhee Tyson

Wed 2/25

3:50 pm-11:50 pm

1 stop8h 00m

$164

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Thu 2/5

6:00 am-6:28 pm

1 stop12h 28m

Knoxville McGhee Tyson

Thu 2/12

11:50 am-7:04 pm

1 stop7h 14m

$165

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Sun 2/22

10:59 pm-10:34 am

1 stop11h 35m

Knoxville McGhee Tyson

Wed 2/25

3:50 pm-11:50 pm

1 stop8h 00m

$171

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Thu 6/25

6:27 pm-8:30 pm

Nonstop2h 03m

Knoxville McGhee Tyson

Sun 6/28

3:46 pm-5:36 pm

Nonstop1h 50m

$179

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Sun 2/8

5:39 pm-11:10 pm

1 stop5h 31m

Knoxville McGhee Tyson

Fri 2/13

7:22 pm-10:39 am

1 stop15h 17m

$184

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Mon 2/23

5:05 am-6:32 pm

1 stop13h 27m

Knoxville McGhee Tyson

Thu 2/26

11:50 am-12:59 am

1 stop13h 09m

$187

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Tue 3/10

1:06 pm-10:10 am

1 stop21h 04m

Knoxville McGhee Tyson

Tue 3/17

3:00 pm-10:59 pm

1 stop7h 59m

$189

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Sun 2/1

5:39 pm-11:05 pm

1 stop5h 26m

Knoxville McGhee Tyson

Fri 2/6

12:55 pm-7:57 pm

1 stop7h 02m

$192

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Mon 3/9

5:28 pm-10:10 am

1 stop16h 42m

Knoxville McGhee Tyson

Thu 3/12

9:43 pm-12:03 pm

1 stop14h 20m

$194

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Tue 2/24

5:26 pm-10:06 am

1 stop16h 40m

Knoxville McGhee Tyson

Thu 2/26

11:50 am-12:59 am

1 stop13h 09m

$195

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 July is, on average, the cheapest month to fly to Knoxville from Philadelphia, with most prices found around $422. If you aren’t able to travel during the month of July, then book flights to Knoxville from Philadelphia during August instead. Flights to Knoxville in August, while not as cheap as those in July, still average around $447.

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

The cheapest day to depart from Philadelphia to Knoxville is on a Wednesday. Travelers who choose to depart for Knoxville on a Wednesday will often find tickets for as low as $401. 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 $589.

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 $425. 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 at noon when prices are around $469.

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 $474 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 $388 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 55% 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 January 2026, prices for Philadelphia to Knoxville flights are approximately 209% more expensive 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

$355

Fastest flight time

2h 03m

Direct flights

Every day

Airports in Knoxville

1 airport
The best flight deal from Philadelphia to Knoxville found on momondo in the last 72 hours is $355
The fastest flight from Philadelphia to Knoxville takes 2h 03m
Direct flights go from Philadelphia to Knoxville every day.
There is 1 airport in Knoxville. From Philadelphia there are direct flights to 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 2h 03m.

  • 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
DeltaPriceFrom $236Free CancellationRating
7.9
8,025 reviews
Search Delta flights
American AirlinesPriceFrom $355Free CancellationRating
7.2
11,094 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 $355. Generally, American Airlines has 14 flights on this route every week with an average price of $467. 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
Alcoa
Maryville
Murphy
Crossville
Oak Ridge
Newport
Lenoir City
Kodak
Dandridge
Jefferson City
Clinton
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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