How popular is this Knoxville to Philadelphia flight route?

Flights from Knoxville McGhee Tyson to Philadelphia have been viewed 16 times in the past calendar month.

What are the cheapest airlines flying from Knoxville to Philadelphia round-trip?

Flying on Delta is currently your cheapest option to Philadelphia, with prices starting at $198. Another option worth looking into is American Airlines, starting at $336 round trip. Users have found that Delta is 56% cheaper than the other options available to this destination.

What is the cheapest day to fly from Knoxville to Philadelphia?

Travelers seeking maximum savings on their Knoxville to Philadelphia flight should consider departing on Wednesday evenings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Knoxville to Philadelphia

The most flights from TYS to PHL are scheduled on a Monday (9 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

In terms of precipitation, rainfall in Philadelphia ranges from 2.7 - 4.4 inches per month. July is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Philadelphia when rainfall is around 2.7 in.

If weather is an important factor for your trip to Philadelphia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

What are the cheapest flights from Knoxville to Philadelphia?

Looking for the cheapest flight from Knoxville to Philadelphia? While on average our users pay $478, our data indicates the cheapest price to be $135. The most popular route (Knoxville McGhee Tyson - Philadelphia), is priced around $213.

What are the most reliable airlines from Knoxville to Philadelphia?

Consider Qatar Airways (89%), Alaska Airlines (86%) or Piedmont Airlines (77%) when booking your flight. These represent the most reliable airlines when flying from Knoxville to Philadelphia.

What is the cheapest day to fly round-trip from Knoxville to Philadelphia?

It’s generally more expensive to depart on a Tuesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

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

To save on the cost of your flight from Knoxville to Philadelphia, book at least 27 days before your planned departure. Booking around this time can save you about 26% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $401 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $460.

What is the cheapest month to fly from Knoxville to Philadelphia?

Our data shows that January tends to be the cheapest month to fly to Philadelphia from Knoxville. Users have commonly found prices around $457 for the month, but tickets can be as low as $356. Due to multiple factors, prepare for potentially higher prices in September.

What airports do I use to fly from Knoxville to Philadelphia?

If you wish to fly to Philadelphia from Knoxville, then you need to book flights from Knoxville McGhee Tyson to Philadelphia. There are 8 flights from McGhee Tyson (TYS) to Philadelphia (PHL) per day to choose from. Flights to Philadelphia from McGhee Tyson are available from 2 different airlines, which means you should have some options if you want to compare airfare deals. 1h 48m is how long a nonstop flight from Knoxville to Philadelphia typically takes.

Can I find deals for flights from Knoxville to Philadelphia that include hotel bookings?

Yes. In addition to deals on Knoxville to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Knoxville to Philadelphia?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knoxville to Philadelphia.

Can I find deals for business class flights from Knoxville to Philadelphia?

Yes. Cheapflights offers flight deals from Knoxville to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$106+ Flights from Knoxville to Philadelphia

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Cheapflights Tip: The best prices from Knoxville McGhee Tyson to Philadelphia are usually found in January or November, booked 88 days in advance, depart on a Wednesday or Thursday and return on a Saturday

Cheap flight deals from Knoxville to Philadelphia

Round-trip from	$172 (Priceline)
One-way from	$106 (Kiwi.com)
Popular in	September
Cheapest in	January
Average price	$484
Good round-trip deal	$413 or less
Good one-way deal	$187 or less

From Knoxville McGhee Tyson to Philadelphia

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One-way flight from Knoxville McGhee Tyson to Philadelphia

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Highest demand for flights based on searches. 5% potential increase in price ($25 potential increase over avg. RT price).

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Cheapest flight prices on average. 0% potential price decrease ($3 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Price to beat on a round-trip flight from Knoxville McGhee Tyson to Philadelphia.

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Price to beat on a one-way flight from Knoxville McGhee Tyson to Philadelphia.

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Find flight deals from Knoxville to Philadelphia

Cheapest flights from Knoxville to Philadelphia
Explore the most affordable flight options available from Knoxville to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2025.

Fri 10/248:17 pmTYS - PHL

1 stop9h 02mFrontier

Mon 10/276:42 amPHL - TYS

1 stop12h 50mFrontier

Deal found 9/12

$172

Sat 11/14:12 pmTYS - PHL

1 stop7h 24mMultiple Airlines

Mon 11/36:00 amPHL - TYS

1 stop11h 09mMultiple Airlines

Deal found 9/12

$219

Fri 11/2112:45 pmTYS - PHL

1 stop19h 52mMultiple Airlines

Thu 12/48:05 pmPHL - TYS

1 stop12h 28mMultiple Airlines

Deal found 9/12

$220

Thu 10/239:15 pmTYS - PHL

1 stop14h 37mMultiple Airlines

Sun 10/2610:02 pmPHL - TYS

1 stop21h 58mMultiple Airlines

Deal found 9/13

$222

Wed 11/196:04 pmTYS - PHL

1 stop27h 18mMultiple Airlines

Wed 12/35:15 amPHL - TYS

1 stop6h 48mMultiple Airlines

Deal found 9/12

$230

Thu 11/208:00 amTYS - PHL

1 stop13h 22mMultiple Airlines

Wed 12/35:15 amPHL - TYS

1 stop6h 48mMultiple Airlines

Deal found 9/13

$234

Wed 9/244:00 pmTYS - PHL

1 stop19h 28mMultiple Airlines

Fri 9/269:50 pmPHL - TYS

1 stop12h 28mMultiple Airlines

Deal found 9/12

$235

Wed 10/154:26 pmTYS - PHL

1 stop7h 10mMultiple Airlines

Fri 10/174:19 pmPHL - TYS

1 stop28h 49mMultiple Airlines

Deal found 9/12

$236

Fri 9/268:30 amTYS - PHL

1 stop28h 32mMultiple Airlines

Sun 9/285:15 pmPHL - TYS

1 stop24h 19mMultiple Airlines

Deal found 9/13

$239

Mon 10/1312:08 pmTYS - PHL

1 stop6h 41mMultiple Airlines

Mon 10/205:05 amPHL - TYS

1 stop29h 28mMultiple Airlines

Deal found 9/13

$241

Best flights from Knoxville to Philadelphia
Discover carefully curated flight deals from Knoxville to Philadelphia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 14, 2025.

Thu 10/239:15 pmTYS - PHL

1 stop14h 37mMultiple Airlines

Sun 10/2610:02 pmPHL - TYS

1 stop21h 58mMultiple Airlines

Deal found 9/13

$222

Tue 10/142:00 pmTYS - PHL

Nonstop2h 01mAmerican Airlines

Sat 11/13:38 pmPHL - TYS

Nonstop1h 54mAmerican Airlines

Deal found 9/14

$355

Mon 11/245:25 amTYS - PHL

1 stop4h 00mDelta

Tue 12/26:00 amPHL - TYS

1 stop5h 45mDelta

Deal found 9/12

$375

Mon 9/291:50 pmTYS - PHL

2 stops11h 07mMultiple Airlines

Fri 10/39:50 pmPHL - TYS

1 stop12h 28mMultiple Airlines

Deal found 9/13

$263

Thu 9/2512:08 pmTYS - PHL

1 stop12h 09mMultiple Airlines

Tue 9/3012:00 pmPHL - TYS

2 stops26h 30mMultiple Airlines

Deal found 9/13

$263

Fri 9/268:30 amTYS - PHL

1 stop15h 29mMultiple Airlines

Sun 9/287:32 pmPHL - TYS

2 stops22h 02mMultiple Airlines

Deal found 9/13

$265

Wed 11/57:38 amTYS - PHL

Nonstop1h 56mAmerican Airlines

Tue 11/111:50 pmPHL - TYS

1 stop5h 04mAmerican Airlines

Deal found 9/13

$365

Sat 11/225:36 pmTYS - PHL

1 stop7h 00mDelta

Wed 12/312:37 pmPHL - TYS

1 stop6h 22mDelta

Deal found 9/13

$375

Thu 11/206:30 amTYS - PHL

2 stops17h 29mMultiple Airlines

Wed 12/35:15 amPHL - TYS

1 stop6h 48mMultiple Airlines

Deal found 9/12

$286

Wed 11/53:59 pmTYS - PHL

1 stop3h 48mDelta

Tue 11/1112:37 pmPHL - TYS

1 stop6h 23mDelta

Deal found 9/13

$375

Wed 10/83:20 pmTYS - PHL

1 stop6h 04mMultiple Airlines

Fri 10/109:55 pmPHL - TYS

2 stops23h 13mMultiple Airlines

Deal found 9/13

$359

Last-minute flights from Knoxville to Philadelphia
Discover last-minute flight deals from Knoxville to Philadelphia. Data last updated September 14, 2025 and is based on user searches.

Fri 9/197:34 pmTYS - PHL

1 stop18h 21mMultiple Airlines

Tue 9/233:55 pmPHL - TYS

1 stop23h 15mMultiple Airlines

Deal found 9/13

$245

Wed 9/244:00 pmTYS - PHL

1 stop19h 28mMultiple Airlines

Fri 9/269:50 pmPHL - TYS

1 stop12h 28mMultiple Airlines

Deal found 9/12

$235

Thu 9/255:55 pmTYS - PHL

1 stop15h 51mMultiple Airlines

Tue 9/302:30 pmPHL - TYS

1 stop28h 54mMultiple Airlines

Deal found 9/13

$230

Fri 9/268:30 amTYS - PHL

1 stop28h 32mMultiple Airlines

Sun 9/285:15 pmPHL - TYS

1 stop24h 19mMultiple Airlines

Deal found 9/13

$239

Mon 9/291:22 pmTYS - PHL

1 stop23h 40mMultiple Airlines

Fri 10/39:50 pmPHL - TYS

1 stop12h 28mMultiple Airlines

Deal found 9/13

$254

Mon 10/1312:08 pmTYS - PHL

1 stop6h 41mMultiple Airlines

Mon 10/205:05 amPHL - TYS

1 stop29h 28mMultiple Airlines

Deal found 9/13

$241

Wed 10/154:26 pmTYS - PHL

1 stop7h 10mMultiple Airlines

Fri 10/174:19 pmPHL - TYS

1 stop28h 49mMultiple Airlines

Deal found 9/12

$236

Thu 10/239:15 pmTYS - PHL

1 stop14h 37mMultiple Airlines

Sun 10/2610:02 pmPHL - TYS

1 stop21h 58mMultiple Airlines

Deal found 9/13

$222

Fri 10/248:17 pmTYS - PHL

1 stop9h 02mFrontier

Mon 10/276:42 amPHL - TYS

1 stop12h 50mFrontier

Deal found 9/12

$172

One-way flights from Knoxville to Philadelphia
Search for one-way flight options from Knoxville to Philadelphia. Find affordable one-way fares based on user searches. Data last updated September 14, 2025.

Thu 11/139:00 amTYS - PHL

1 stop15h 49mMultiple Airlines

Deal found 9/13

$106

Thu 9/253:19 pmTYS - PHL

1 stop27h 07mMultiple Airlines

Deal found 9/12

$111

Sat 11/157:30 amTYS - PHL

1 stop27h 48mMultiple Airlines

Deal found 9/14

$114

Mon 10/135:26 pmTYS - PHL

1 stop6h 33mMultiple Airlines

Deal found 9/12

$117

Fri 10/109:06 pmTYS - PHL

1 stop19h 05mMultiple Airlines

Deal found 9/13

$118

Mon 12/84:47 pmTYS - PHL

1 stop12h 00mFrontier

Deal found 9/12

$122

Sat 10/114:26 pmTYS - PHL

1 stop19h 26mMultiple Airlines

Deal found 9/12

$125

Fri 12/121:05 pmTYS - PHL

1 stop9h 00mMultiple Airlines

Deal found 9/13

$128

Thu 10/99:15 pmTYS - PHL

1 stop14h 37mMultiple Airlines

Deal found 9/13

$130

Mon 11/105:22 pmTYS - PHL

2 stops39h 50mMultiple Airlines

Deal found 9/12

$133

Cheapflights Fare Finder

Use the filters below to find and compare flights from Knoxville to Philadelphia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KnoxvillePhiladelphia

TYS - PHL

TYSPHL

Knoxville McGhee Tyson

Thu 10/23

9:15 pm-11:52 am

1 stop14h 37m

Philadelphia

Sun 10/26

10:02 pm-8:00 pm

1 stop21h 58m

$222

KnoxvillePhiladelphia

TYS - PHL

TYSPHL

Knoxville McGhee Tyson

Mon 9/29

1:50 pm-12:57 am

2 stops11h 07m

Philadelphia

Fri 10/3

9:50 pm-10:18 am

1 stop12h 28m

$263

KnoxvillePhiladelphia

TYS - PHL

TYSPHL

Knoxville McGhee Tyson

Thu 9/25

12:08 pm-12:17 am

1 stop12h 09m

Philadelphia

Tue 9/30

12:00 pm-2:30 pm

2 stops26h 30m

$263

KnoxvillePhiladelphia

TYS - PHL

TYSPHL

Knoxville McGhee Tyson

Fri 9/26

8:30 am-11:59 pm

1 stop15h 29m

Philadelphia

Sun 9/28

7:32 pm-5:34 pm

2 stops22h 02m

$265

KnoxvillePhiladelphia

TYS - PHL

TYSPHL

Knoxville McGhee Tyson

Thu 11/20

6:30 am-11:59 pm

2 stops17h 29m

Philadelphia

Wed 12/3

5:15 am-12:03 pm

1 stop6h 48m

$286

KnoxvillePhiladelphia

TYS - PHL

TYSPHL

Knoxville McGhee Tyson

Tue 10/14

2:00 pm-4:01 pm

Nonstop2h 01m

Philadelphia

Sat 11/1

3:38 pm-5:32 pm

Nonstop1h 54m

$355

KnoxvillePhiladelphia

TYS - PHL

TYSPHL

Knoxville McGhee Tyson

Wed 10/8

3:20 pm-9:24 pm

1 stop6h 04m

Philadelphia

Fri 10/10

9:55 pm-9:08 pm

2 stops23h 13m

$359

KnoxvillePhiladelphia

TYS - PHL

TYSPHL

Knoxville McGhee Tyson

Wed 11/5

7:38 am-9:34 am

Nonstop1h 56m

Philadelphia

Tue 11/11

1:50 pm-6:54 pm

1 stop5h 04m

$365

KnoxvillePhiladelphia

TYS - PHL

TYSPHL

Knoxville McGhee Tyson

Mon 11/24

5:25 am-9:25 am

1 stop4h 00m

Philadelphia

Tue 12/2

6:00 am-11:45 am

1 stop5h 45m

$375

KnoxvillePhiladelphia

TYS - PHL

TYSPHL

Knoxville McGhee Tyson

Sat 11/22

5:36 pm-12:36 am

1 stop7h 00m

Philadelphia

Wed 12/3

12:37 pm-6:59 pm

1 stop6h 22m

$375

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 18 results

Best time to book a flight from Knoxville to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Knoxville with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Knoxville to Philadelphia

Prices

Airlines

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

To ensure you get the cheapest price possible for a flight from Knoxville to Philadelphia, you should look to book at least 88 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Knoxville to Philadelphia?

Currently, August is the cheapest month in which you can book a flight from Knoxville to Philadelphia (average of $236). Flying from Knoxville to Philadelphia in March is currently the most expensive (average of $295). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from TYS to PHL?

It’s optimal to fly from Knoxville to Philadelphia in the evening. By choosing this option you can save up to 66% on the cost of your flight, compared to a flight at noon.

Reviews of airlines servicing Philadelphia

Read through reviews of airlines operating flights from Knoxville to Philadelphia, such as Delta and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,959 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,959 reviews

Delta

8.0

Very good

7,959 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,959 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What airports do I use to fly from Knoxville to Philadelphia?
If you wish to fly to Philadelphia from Knoxville, then you need to book flights from Knoxville McGhee Tyson to Philadelphia. There are 8 flights from McGhee Tyson (TYS) to Philadelphia (PHL) per day to choose from. Flights to Philadelphia from McGhee Tyson are available from 2 different airlines, which means you should have some options if you want to compare airfare deals. 1h 48m is how long a nonstop flight from Knoxville to Philadelphia typically takes.
How popular is this Knoxville to Philadelphia flight route?
Flights from Knoxville McGhee Tyson to Philadelphia have been viewed 16 times in the past calendar month.
What are the cheapest airlines flying from Knoxville to Philadelphia round-trip?
Flying on Delta is currently your cheapest option to Philadelphia, with prices starting at $198. Another option worth looking into is American Airlines, starting at $336 round trip. Users have found that Delta is 56% cheaper than the other options available to this destination.
What are the most reliable airlines from Knoxville to Philadelphia?
Consider Qatar Airways (89%), Alaska Airlines (86%) or Piedmont Airlines (77%) when booking your flight. These represent the most reliable airlines when flying from Knoxville to Philadelphia.
What are the cheapest flights from Knoxville to Philadelphia?
Looking for the cheapest flight from Knoxville to Philadelphia? While on average our users pay $478, our data indicates the cheapest price to be $135. The most popular route (Knoxville McGhee Tyson - Philadelphia), is priced around $213.
Can I find deals for flights from Knoxville to Philadelphia that include hotel bookings?
Yes. In addition to deals on Knoxville to Philadelphia flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Knoxville to Philadelphia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knoxville to Philadelphia.
Can I find deals for business class flights from Knoxville to Philadelphia?
Yes. Cheapflights offers flight deals from Knoxville to Philadelphia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Knoxville to Philadelphia?
Currently, August is the cheapest month in which you can book a flight from Knoxville to Philadelphia (average of $236). Flying from Knoxville to Philadelphia in March is currently the most expensive (average of $295). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Other flights to Philadelphia

Top 2 airlines flying from Knoxville to Philadelphia

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$198	Average$576	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$336	Average$452	FlexibilityNo cancel fee	On-time71%

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$106+ Cheap flights from Knoxville to Philadelphia (TYS - PHL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/13. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapflights Tip: The best prices from Knoxville McGhee Tyson to Philadelphia are usually found in January or November, booked 88 days in advance, depart on a Wednesday or Thursday and return on a Saturday

Cheap flight deals from Knoxville to Philadelphia

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Good round-trip deal

Good one-way deal

Find flight deals from Knoxville to Philadelphia

Cheapest flights from Knoxville to PhiladelphiaExplore the most affordable flight options available from Knoxville to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2025.

Explore the most affordable flight options available from Knoxville to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Knoxville to Philadelphia that are best for you.

Best time to book a flight from Knoxville to Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia from Knoxville with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Knoxville to Philadelphia

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

What is the cheapest month to book a flight from Knoxville to Philadelphia?

What is the cheapest time of day to fly from TYS to PHL?

Weekly flight availability from Knoxville to Philadelphia

Reviews of airlines servicing Philadelphia

Read through reviews of airlines operating flights from Knoxville to Philadelphia, such as Delta and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Knoxville to Philadelphia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airports do I use to fly from Knoxville to Philadelphia?

How popular is this Knoxville to Philadelphia flight route?

What are the cheapest airlines flying from Knoxville to Philadelphia round-trip?

What are the most reliable airlines from Knoxville to Philadelphia?

What are the cheapest flights from Knoxville to Philadelphia?

Can I find deals for flights from Knoxville to Philadelphia that include hotel bookings?

How can I find direct flights from Knoxville to Philadelphia?

Can I find deals for business class flights from Knoxville to Philadelphia?

What is the cheapest month to book a flight from Knoxville to Philadelphia?

Traveling to a place near Philadelphia?

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Alternative routes for Knoxville to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Knoxville to Philadelphia

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Cheapest flights from Knoxville to Philadelphia
Explore the most affordable flight options available from Knoxville to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 14, 2025.