How many flights depart from Knoxville to Philadelphia on average per day?

As of May 2026, 7 flights take off from Knoxville and land in Philadelphia each day. The most common flight departure time for this route is 2:00PM, with 42% of daily flights taking off in the afternoon.

What airlines fly to Philadelphia?

Delta, American Airlines and United Airlines are the top three most popular airlines that fly to Philadelphia from Knoxville according to our data. Delta is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Philadelphia. Keep in mind that there are 5 different airlines that fly to Philadelphia on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Knoxville McGhee Tyson to Philadelphia?

Southwest and Allegiant Air are the most popular carriers operating from Knoxville McGhee Tyson to Philadelphia

How many flights depart from Knoxville to Philadelphia on average per week?

As of May 2026, there are 49 flights per week flying from Knoxville to Philadelphia. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

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

Prices for flights from Knoxville McGhee Tyson Airport to Philadelphia Airport were last updated today.

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

As of May 2026, there is 1 operator available to choose from for flights from Knoxville McGhee Tyson Airport to Philadelphia Airport.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to Philadelphia Airport.

What documentation or ID do you need to fly to Philadelphia Airport?

The necessary travel and health documents for your Philadelphia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$43 Cheap Flights from Knoxville to Philadelphia in 2026

Q: What is the typical price of a round-trip flight between Knoxville and Philadelphia?

Prices are currently low for flights on this route. Typical prices usually range from $539 to $116. The lowest price recently found on this route was $78.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Knoxville to Philadelphia

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:05 pm - 5:55 pm

TYS

PHL

1h 50mnonstop

6:45 pm - 8:48 pm

PHL

TYS

2h 03mnonstop

$78Allegiant Air

Thu, Jun 18 - Sun, Jun 21

3:46 pm - 5:36 pm

TYS

PHL

1h 50mnonstop

6:45 pm - 8:48 pm

PHL

TYS

2h 03mnonstop

$82Allegiant Air

Sun, Jun 7 - Sun, Jun 21

4:05 pm - 5:55 pm

TYS

PHL

1h 50mnonstop

6:45 pm - 8:48 pm

PHL

TYS

2h 03mnonstop

$83Allegiant Air

Thu, Jun 18 - Sun, Jun 21

4:05 pm - 5:55 pm

TYS

PHL

1h 50mnonstop

6:45 pm - 8:48 pm

PHL

TYS

2h 03mnonstop

$88Allegiant Air

Thu, Jun 25 - Sun, Jun 28

3:46 pm - 5:36 pm

TYS

PHL

1h 50mnonstop

6:26 pm - 8:29 pm

PHL

TYS

2h 03mnonstop

$92Allegiant Air

Thu, May 28 - Sun, May 31

1:03 pm - 2:53 pm

TYS

PHL

1h 50mnonstop

6:26 pm - 8:29 pm

PHL

TYS

2h 03mnonstop

$93Allegiant Air

Thu, May 21 - Sun, May 24

3:38 pm - 5:28 pm

TYS

PHL

1h 50mnonstop

6:18 pm - 8:21 pm

PHL

TYS

2h 03mnonstop

$94Allegiant Air

Thu, Jul 30 - Sun, Aug 2

3:47 pm - 5:37 pm

TYS

PHL

1h 50mnonstop

6:27 pm - 8:30 pm

PHL

TYS

2h 03mnonstop

$97Allegiant Air

Thu, Jun 4 - Thu, Jun 11

3:46 pm - 5:36 pm

TYS

PHL

1h 50mnonstop

6:26 pm - 8:29 pm

PHL

TYS

2h 03mnonstop

$98Allegiant Air

Sun, Jun 7 - Sun, Jun 14

4:05 pm - 5:55 pm

TYS

PHL

1h 50mnonstop

6:18 pm - 8:21 pm

PHL

TYS

2h 03mnonstop

$105Allegiant Air

Thu, Jun 25 - Thu, Jul 2

Allegiant Air flights from Knoxville to Philadelphia

Our best Allegiant Air deals on Knoxville to Philadelphia flight tickets

Allegiant Air

Jun 18

TYS4:05 pmKnoxville McGhee Tyson

1h 50m

PHL5:55 pmPhiladelphia

Jun 21

PHL6:45 pmPhiladelphia

2h 03m

TYS8:48 pmKnoxville McGhee Tyson

$78

Allegiant Air

Jun 7

TYS3:46 pmKnoxville McGhee Tyson

1h 50m

PHL5:36 pmPhiladelphia

Jun 21

PHL6:45 pmPhiladelphia

2h 03m

TYS8:48 pmKnoxville McGhee Tyson

$82

Allegiant Air

Jun 18

TYS4:05 pmKnoxville McGhee Tyson

1h 50m

PHL5:55 pmPhiladelphia

Jun 21

PHL6:45 pmPhiladelphia

2h 03m

TYS8:48 pmKnoxville McGhee Tyson

$83

Frontier flights from Knoxville to Philadelphia

Our best Frontier deals on Knoxville to Philadelphia flight tickets

Frontier

May 22

TYS8:19 pmKnoxville McGhee Tyson

9h 18m

1 stop

PHL5:37 amPhiladelphia

May 24

PHL8:35 pmPhiladelphia

22h 49m

1 stop

TYS7:24 pmKnoxville McGhee Tyson

$262

Frontier

May 18

TYS8:32 pmKnoxville McGhee Tyson

9h 05m

1 stop

PHL5:37 amPhiladelphia

May 21

PHL8:35 pmPhiladelphia

22h 49m

1 stop

TYS7:24 pmKnoxville McGhee Tyson

$362

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

KnoxvillePhiladelphia

TYS - PHL

TYSPHL

Knoxville McGhee Tyson

Thu 6/18

4:05 pm-5:55 pm

Nonstop1h 50m

Philadelphia

Sun 6/21

6:45 pm-8:48 pm

Nonstop2h 03m

$78

KnoxvillePhiladelphia

TYS - PHL

TYSPHL

Knoxville McGhee Tyson

Sun 6/7

3:46 pm-5:36 pm

Nonstop1h 50m

Philadelphia

Sun 6/21

6:45 pm-8:48 pm

Nonstop2h 03m

$82

KnoxvillePhiladelphia

TYS - PHL

TYSPHL

Knoxville McGhee Tyson

Thu 6/18

4:05 pm-5:55 pm

Nonstop1h 50m

Philadelphia

Sun 6/21

6:45 pm-8:48 pm

Nonstop2h 03m

$83

KnoxvillePhiladelphia

TYS - PHL

TYSPHL

Knoxville McGhee Tyson

Thu 6/25

4:05 pm-5:55 pm

Nonstop1h 50m

Philadelphia

Sun 6/28

6:45 pm-8:48 pm

Nonstop2h 03m

$88

KnoxvillePhiladelphia

TYS - PHL

TYSPHL

Knoxville McGhee Tyson

Thu 5/28

3:46 pm-5:36 pm

Nonstop1h 50m

Philadelphia

Sun 5/31

6:26 pm-8:29 pm

Nonstop2h 03m

$92

KnoxvillePhiladelphia

TYS - PHL

TYSPHL

Knoxville McGhee Tyson

Thu 5/21

1:03 pm-2:53 pm

Nonstop1h 50m

Philadelphia

Sun 5/24

6:26 pm-8:29 pm

Nonstop2h 03m

$93

KnoxvillePhiladelphia

TYS - PHL

TYSPHL

Knoxville McGhee Tyson

Thu 7/30

3:38 pm-5:28 pm

Nonstop1h 50m

Philadelphia

Sun 8/2

6:18 pm-8:21 pm

Nonstop2h 03m

$94

KnoxvillePhiladelphia

TYS - PHL

TYSPHL

Knoxville McGhee Tyson

Thu 6/4

3:47 pm-5:37 pm

Nonstop1h 50m

Philadelphia

Thu 6/11

6:27 pm-8:30 pm

Nonstop2h 03m

$97

KnoxvillePhiladelphia

TYS - PHL

TYSPHL

Knoxville McGhee Tyson

Sun 6/7

3:46 pm-5:36 pm

Nonstop1h 50m

Philadelphia

Sun 6/14

6:26 pm-8:29 pm

Nonstop2h 03m

$98

KnoxvillePhiladelphia

TYS - PHL

TYSPHL

Knoxville McGhee Tyson

Thu 6/25

4:05 pm-5:55 pm

Nonstop1h 50m

Philadelphia

Thu 7/2

6:18 pm-8:21 pm

Nonstop2h 03m

$105

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Knoxville to Philadelphia

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

Prices

Airlines

Other information

What is the typical price of a round-trip flight between Knoxville and Philadelphia?

What is the cheapest month to fly to Philadelphia?

The cheapest month to fly to Philadelphia from Knoxville is in September. Flight prices, which tend to average around $401, are often lower during this time because this is during the off-season. The month of February is another great option to travel to Philadelphia, with average flight prices from Knoxville averaging around $422.

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

The cheapest day to depart from Knoxville to Philadelphia is on a Friday. Travelers who choose to depart for Philadelphia on a Friday will often find tickets for as low as $531. On the other hand, Sunday is the most expensive day to depart from Knoxville because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $905.

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

According to our data, the cheapest time of day to fly to Philadelphia is in the morning. momondo users have found flights departing from Knoxville to Philadelphia in the morning for as low as $512. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Philadelphia is at noon when prices are around $1,000.

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

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

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

You are more likely to see cheaper flights to Philadelphia from Knoxville when booking weeks ahead of your departure date. In general, you can expect to find flights to Philadelphia for around $478 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Philadelphia from Knoxville for as low as $162 on momondo.

Can stopping save me money on Knoxville to Philadelphia flights?

No. A direct flight is the cheapest option for a flight between Knoxville to Philadelphia.

How have Knoxville to Philadelphia flight prices changed over time?

As of May 2026, prices for Knoxville to Philadelphia flights are approximately 45% more expensive when compared to flights at the same time last year.

When to book flights from Knoxville to Philadelphia

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

Estimated round-trip price

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

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

Best Price Found	$94
Fastest flight time	1h 50m
Direct flights	Every day
Airports in Philadelphia	1 airport

The best one-way flight to Philadelphia from Knoxville in the past 72 hours is $94. The best round-trip flight deal from Knoxville to Philadelphia found on momondo in the last 72 hours is $493.

The fastest flight from Knoxville to Philadelphia takes 1h 50m

Direct flights go from Knoxville to Philadelphia every day.

There is 1 airport in Philadelphia. From Knoxville there are direct flights to Philadelphia (PHL).

Search flight deals

Frequently asked questions about flying from Knoxville to Philadelphia

How far is Knoxville McGhee Tyson to Philadelphia by plane?
A flight from Knoxville McGhee Tyson to Philadelphia will travel around 550.8 mi. In terms of flight time, this usually takes a little over 1h 50m.
When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Philadelphia Airport?
Prices for flights from Knoxville McGhee Tyson Airport to Philadelphia Airport were last updated today.
How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Philadelphia Airport?
As of May 2026, there is 1 operator available to choose from for flights from Knoxville McGhee Tyson Airport to Philadelphia Airport.
How old do you have to be to fly from Knoxville McGhee Tyson Airport to Philadelphia Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to Philadelphia Airport.
What documentation or ID do you need to fly to Philadelphia Airport?
The necessary travel and health documents for your Philadelphia Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Knoxville to Philadelphia?
Based on momondo bookings for flights between Knoxville and Philadelphia, the leading plane model is Embraer ERJ-145, making up 47.65% of the total bookings. Other popular models include Canadair (Bombardier) Regional Jet 900 with 30.87%, Boeing 737 MAX 8 with 4.70%, and Airbus A320-100/200 with 4.70%.
What is the most popular airline from Knoxville to Philadelphia?
momondo data reveals that the most frequently booked airline on the route from Knoxville to Philadelphia is American Airlines, representing 100% of all bookings.

Best airlines flying from Knoxville to Philadelphia

Compare and see reviews for airlines that fly from Knoxville to Philadelphia with momondo

Airline	Rating	Free Cancellation	Price
Allegiant Air	PriceFrom $78	Free Cancellation	Rating 7.3 709 reviews		Search Allegiant Air flights
American Airlines	PriceFrom $355	Free Cancellation	Rating 7.1 11,667 reviews		Search American Airlines flights

American Airlines Flights From Knoxville to Philadelphia
Across 21 American Airlines flights from Knoxville to Philadelphia this week, the average price was $483, with the best American Airlines deals starting from $355 round-trip. 11,667 users have rated American Airlines on momondo, with an average score of 7.1/10.

Wildwood

Rehoboth Beach

Cape May

Wildwood Crest

Ocean City

Cherry Hill

King of Prussia

Newark

Dewey Beach

Reading

Avalon

Dover

North Wildwood

Lewes

Stone Harbor

New Castle

Essington

Vineland

Pottstown

Somers Point

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Knoxville to Philadelphia for you.

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

Yes. momondo allows you to filter the results for Knoxville to Philadelphia flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Knoxville to Philadelphia.

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

If you are simply researching potential flights to Philadelphia, momondo offers a useful price alert feature which will track prices for flights to Philadelphia from Knoxville and alert you when they change.