How popular is this Knoxville to Philadelphia flight route?

Flights from Knoxville McGhee Tyson to Philadelphia have been viewed 19 times in the past calendar month.

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

Flying on Frontier is currently your cheapest option to Philadelphia, with prices starting at $274. Another option worth looking into is American Airlines, starting at $284 round trip. Users have found that Frontier is 32% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Knoxville to Philadelphia one-way?

$137 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $280 and $359, respectively.

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. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 $1,800, our data indicates the cheapest price to be $164. The most popular route (Knoxville McGhee Tyson - Philadelphia), is priced around $231.

What are the most reliable airlines from Knoxville to Philadelphia?

Consider Qatar Airways (80%), PSA Airlines (80%) or American Airlines (70%) when booking your flight. These represent the most reliable airlines when flying from Knoxville to Philadelphia.

What are the most popular airlines that fly from Knoxville to Philadelphia?

American Airlines, Delta and Frontier are the most popular 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 Wednesday, 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 17 days before your planned departure. Booking around this time can save you about 84% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $333 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 July tends to be the cheapest month to fly to Philadelphia from Knoxville. Users have commonly found prices around $408 for the month, but tickets can be as low as $43. Due to multiple factors, prepare for potentially higher prices in April.

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 3 flights from McGhee Tyson (TYS) to Philadelphia (PHL) per day to choose from. Flights to Philadelphia from McGhee Tyson are available from 4 different airlines, which means you should have some options if you want to compare airfare deals. 1h 47m 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.

$108+ Flights from Knoxville to Philadelphia

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheapflights Tip: The best prices from Knoxville McGhee Tyson to Philadelphia are usually found in July or August, booked 64 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

Cheap flight deals from Knoxville to Philadelphia

Round-trip from	$231 (Mytrip)
One-way from	$108 (Mytrip)
Popular in	April
Cheapest in	July
Average price	$227
Good round-trip deal	$355 or less
Good one-way deal	$298 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. 12% potential increase in price ($56 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).

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Average for round-trip flights in July 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 July 3, 2025.

Mon 8/116:00 amTYS - PHL

2 stops14h 07mMultiple Airlines

Sun 8/179:59 pmPHL - TYS

1 stop12h 17mMultiple Airlines

Deal found 7/2

$231

Thu 8/145:25 pmTYS - PHL

1 stop11h 44mFrontier

Sun 8/176:15 amPHL - TYS

1 stop10h 14mFrontier

Deal found 7/3

$274

Fri 8/87:35 pmTYS - PHL

2 stops12h 03mAmerican Airlines

Sat 8/910:30 amPHL - TYS

1 stop7h 09mAmerican Airlines

Deal found 7/1

$284

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 July 3, 2025.

Mon 8/116:00 amTYS - PHL

2 stops14h 07mMultiple Airlines

Sun 8/179:59 pmPHL - TYS

1 stop12h 17mMultiple Airlines

Deal found 7/2

$231

Thu 8/145:25 pmTYS - PHL

1 stop11h 44mFrontier

Sun 8/176:15 amPHL - TYS

1 stop10h 14mFrontier

Deal found 7/3

$274

Fri 8/810:10 amTYS - PHL

1 stop5h 17mAmerican Airlines

Fri 8/86:45 pmPHL - TYS

2 stops14h 25mAmerican Airlines

Deal found 7/1

$284

Last-minute flights from Knoxville to Philadelphia
Discover last-minute flight deals from Knoxville to Philadelphia. Data last updated July 3, 2025 and is based on user searches.

Fri 7/117:00 amTYS - PHL

2 stops7h 08mUnited Airlines

Sat 7/127:59 pmPHL - TYS

1 stop4h 00mUnited Airlines

Deal found 7/3

$545

Sat 7/126:00 amTYS - PHL

2 stops26h 04mMultiple Airlines

Sun 7/133:21 pmPHL - TYS

2 stops18h 50mMultiple Airlines

Deal found 7/3

$292

Sat 7/128:22 pmTYS - PHL

2 stops9h 49mAmerican Airlines

Sun 7/138:32 amPHL - TYS

Nonstop2h 09mAmerican Airlines

Deal found 7/3

$362

Fri 8/87:35 pmTYS - PHL

2 stops12h 03mAmerican Airlines

Sat 8/910:30 amPHL - TYS

1 stop7h 09mAmerican Airlines

Deal found 7/1

$284

Mon 8/116:00 amTYS - PHL

2 stops14h 07mMultiple Airlines

Sun 8/179:59 pmPHL - TYS

1 stop12h 17mMultiple Airlines

Deal found 7/2

$231

Thu 8/145:25 pmTYS - PHL

1 stop11h 44mFrontier

Sun 8/176:15 amPHL - TYS

1 stop10h 14mFrontier

Deal found 7/3

$274

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 July 3, 2025.

Mon 8/45:02 pmTYS - PHL

1 stop16h 44mMultiple Airlines

Deal found 7/2

$108

Sun 8/248:33 pmTYS - PHL

1 stop8h 21mFrontier

Deal found 7/1

$137

Thu 8/710:55 amTYS - PHL

Nonstop2h 01mAmerican Airlines

Deal found 7/3

$280

Fri 9/265:53 pmTYS - PHL

2 stops18h 02mUnited Airlines

Deal found 7/3

$359

Wed 7/94:02 pmTYS - PHL

1 stop4h 59mDelta

Deal found 7/3

$434

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

Mon 8/11

6:00 am-8:07 pm

2 stops14h 07m

Philadelphia

Sun 8/17

9:59 pm-10:16 am

1 stop12h 17m

$231

KnoxvillePhiladelphia

TYS - PHL

TYSPHL

Knoxville McGhee Tyson

Thu 8/14

5:25 pm-5:09 am

1 stop11h 44m

Philadelphia

Sun 8/17

6:15 am-4:29 pm

1 stop10h 14m

$274

KnoxvillePhiladelphia

TYS - PHL

TYSPHL

Knoxville McGhee Tyson

Fri 8/8

7:35 pm-7:38 am

2 stops12h 03m

Philadelphia

Sat 8/9

10:30 am-5:39 pm

1 stop7h 09m

$284

KnoxvillePhiladelphia

TYS - PHL

TYSPHL

Knoxville McGhee Tyson

Mon 8/4

5:02 pm-9:46 am

1 stop16h 44m

$108

KnoxvillePhiladelphia

TYS - PHL

TYSPHL

Knoxville McGhee Tyson

Sun 8/24

8:33 pm-4:54 am

1 stop8h 21m

$137

KnoxvillePhiladelphia

TYS - PHL

TYSPHL

Knoxville McGhee Tyson

Thu 8/7

10:55 am-12:56 pm

Nonstop2h 01m

$280

KnoxvillePhiladelphia

TYS - PHL

TYSPHL

Knoxville McGhee Tyson

Fri 9/26

5:53 pm-11:55 am

2 stops18h 02m

$359

KnoxvillePhiladelphia

TYS - PHL

TYSPHL

Knoxville McGhee Tyson

Wed 7/9

4:02 pm-9:01 pm

1 stop4h 59m

$434

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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

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 64 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 afternoon. By choosing this option you can save up to 60% 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, United Airlines, 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

7,982 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

7,982 reviews

Delta

8.0

Very good

7,982 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!

United Airlines

7.4

Good

8,861 reviews

Delta

8.0

Very good

7,982 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

7,982 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!

Frontier

5.9

Fair

3,286 reviews

Delta

8.0

Very good

7,982 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 3 flights from McGhee Tyson (TYS) to Philadelphia (PHL) per day to choose from. Flights to Philadelphia from McGhee Tyson are available from 4 different airlines, which means you should have some options if you want to compare airfare deals. 1h 47m 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 19 times in the past calendar month.
What are the cheapest airlines flying from Knoxville to Philadelphia round-trip?
Flying on Frontier is currently your cheapest option to Philadelphia, with prices starting at $274. Another option worth looking into is American Airlines, starting at $284 round trip. Users have found that Frontier is 32% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Knoxville to Philadelphia one-way?
$137 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $280 and $359, respectively.
What are the most reliable airlines from Knoxville to Philadelphia?
Consider Qatar Airways (80%), PSA Airlines (80%) or American Airlines (70%) 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 $1,800, our data indicates the cheapest price to be $164. The most popular route (Knoxville McGhee Tyson - Philadelphia), is priced around $231.
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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Top 4 airlines flying from Knoxville to Philadelphia

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$38	Average$63	FlexibilityNo cancel fee	On-time62%
United Airlines	Cheapest$195	Average$364	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$198	Average$518	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$202	Average$430	FlexibilityNo cancel fee	On-time71%

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$108+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Knoxville to Philadelphia with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Knoxville McGhee Tyson to Philadelphia are usually found in July or August, booked 64 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

Cheap flight deals from Knoxville to Philadelphia

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 July 3, 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 July 3, 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?

Use this chart to determine the optimal time to book a round-trip flight from Knoxville to Philadelphia. Price data was last updated on June 27, 2025.

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?

Find hourly flight availability from Knoxville to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

Reviews of airlines servicing Philadelphia

Read through reviews of airlines operating flights from Knoxville to Philadelphia, such as Delta, United Airlines, 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 cheapest airlines to fly from Knoxville to Philadelphia one-way?

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 Knoxville?

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Alternative routes for Knoxville to Philadelphia

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Top 4 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 July 3, 2025.