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$88+ Cheap flights from Philadelphia to Knoxville (PHL - TYS)

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 12/21. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — TYS
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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Cheapflights Tip: The best prices from Philadelphia to Knoxville McGhee Tyson are usually found in July or June, booked 18 days in advance, depart on a Saturday or Wednesday and return on a Wednesday

Find flight deals from Philadelphia to Knoxville

Cheapest flights from Philadelphia to Knoxville
Explore the most affordable flight options available from Philadelphia to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

This Priceline deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:19 amPHL - TYS
1 stop12h 03mFrontier
Sun 11/167:07 pmTYS - PHL
1 stop9h 42mFrontier
Deal found 10/26$163
This Priceline deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/66:19 amPHL - TYS
1 stop12h 03mFrontier
Thu 11/137:17 pmTYS - PHL
1 stop9h 32mFrontier
Deal found 10/26$189
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/158:51 pmPHL - TYS
1 stop12h 13mMultiple Airlines
Mon 11/179:09 pmTYS - PHL
1 stop17h 06mMultiple Airlines
Deal found 10/26$203
This Kiwi.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/158:51 pmPHL - TYS
1 stop12h 13mMultiple Airlines
Tue 11/1811:24 amTYS - PHL
1 stop12h 02mMultiple Airlines
Deal found 10/26$211
This Kiwi.com deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/205:46 amPHL - TYS
2 stops16h 17mMultiple Airlines
Mon 11/249:29 pmTYS - PHL
1 stop19h 06mMultiple Airlines
Deal found 10/24$220
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/910:32 pmPHL - TYS
1 stop15h 25mMultiple Airlines
Thu 11/139:54 amTYS - PHL
1 stop13h 32mMultiple Airlines
Deal found 10/25$232
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/244:14 pmPHL - TYS
1 stop6h 38mMultiple Airlines
Mon 12/112:50 pmTYS - PHL
2 stops34h 13mMultiple Airlines
Deal found 10/25$253

Cheap flight deals from Philadelphia to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) to Knoxville (TYS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 27, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$163
(Priceline)

One-way from

$88
(Kiwi.com)

Popular in

May

Cheapest in

July

Average price

$482

Good round-trip deal

$411 or less

Good one-way deal

$423 or less
Provider with most accurate pricing for Philadelphia-Knoxville McGhee Tyson flight deals.
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Provider most trusted by Cheapflights users for Philadelphia-Knoxville McGhee Tyson flights.
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From Philadelphia to Knoxville McGhee Tyson
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One-way flight from Philadelphia to Knoxville McGhee Tyson
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($6 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Philadelphia to Knoxville McGhee Tyson.
Search Deals
Price to beat on a one-way flight from Philadelphia to Knoxville McGhee Tyson.
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Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated October 27, 2025.
Use the filters below to find and compare flights from Philadelphia to Knoxville that are best for you.

Fly from

Philadelphia

Fly to

Knoxville

Route

Depart

Return

Price

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Sat 11/15

8:51 pm-9:04 am

1 stop12h 13m

Knoxville McGhee Tyson

Tue 11/18

11:24 am-9:12 am

2 stops21h 48m

$272

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Fri 11/14

8:51 pm-10:04 am

1 stop13h 13m

Knoxville McGhee Tyson

Sun 11/16

7:07 pm-11:29 am

2 stops16h 22m

$295

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Wed 12/24

4:05 pm-6:07 pm

Nonstop2h 02m

Knoxville McGhee Tyson

Sat 1/3

5:42 am-7:36 am

Nonstop1h 54m

$355

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Wed 4/1

6:35 pm-8:39 pm

Nonstop2h 04m

Knoxville McGhee Tyson

Tue 4/7

6:25 pm-8:20 pm

Nonstop1h 55m

$355

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Fri 4/10

9:00 am-9:15 pm

2 stops12h 15m

Knoxville McGhee Tyson

Mon 4/13

8:05 am-3:50 pm

2 stops7h 45m

$367

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Sat 11/15

8:51 pm-9:04 am

1 stop12h 13m

Knoxville McGhee Tyson

Sun 11/16

5:38 pm-9:15 pm

2 stops27h 37m

$371

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Sun 1/25

10:00 pm-5:28 pm

1 stop19h 28m

$90

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Wed 1/21

5:00 pm-8:39 am

1 stop15h 39m

$104

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Fri 1/23

6:06 pm-11:09 am

1 stop17h 03m

$109

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Sat 1/24

8:05 pm-8:39 am

1 stop12h 34m

$109

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Showing 1-10 of 14 results
1
2

Compare providers for flights from Philadelphia to Knoxville

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Philadelphia to Knoxville in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Philadelphia-Knoxville flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Philadelphia-Knoxville flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Philadelphia-Knoxville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Philadelphia-Knoxville flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Philadelphia-Knoxville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Philadelphia to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from Philadelphia 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 Philadelphia to Knoxville

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

Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to Knoxville. Price data was last updated on October 24, 2025.

To ensure you get the cheapest price possible for a flight from Philadelphia to Knoxville, you should look to book at least 18 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 Philadelphia to Knoxville?

Currently, June is the cheapest month in which you can book a flight from Philadelphia to Knoxville (average of $46). Flying from Philadelphia to Knoxville in December is currently the most expensive (average of $118). 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 PHL to TYS?

Find hourly flight availability from Philadelphia to Knoxville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 27, 2025.

It’s optimal to fly from Philadelphia to Knoxville in the evening. By choosing this option you can save up to 11% on the cost of your flight, compared to a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Philadelphia to Knoxville. Price data was last updated on October 19, 2025.

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

Reviews of airlines servicing Knoxville

Get insights into the airlines that provide service to Knoxville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Knoxville. Reviews last updated October 27, 2025.
Read through reviews of airlines operating flights from Philadelphia to Knoxville, such as Delta and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,996 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,996 reviews
Delta
7.9
Good
7,996 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,033 reviews
Delta
7.9
Good
7,996 reviews

Food

7.3

Crew

8.5

Boarding

8.2

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Philadelphia to Knoxville. 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 Philadelphia to Knoxville?

    If you wish to fly to Knoxville from Philadelphia, then you need to book flights from Philadelphia to Knoxville McGhee Tyson. There are 7 flights from Philadelphia (PHL) to McGhee Tyson (TYS) per day to choose from. Flights to Knoxville from Philadelphia are available from 2 different airlines, which means you should have some options if you want to compare airfare deals. 1h 54m is how long a nonstop flight from Philadelphia to Knoxville McGhee Tyson typically takes.

  • How popular is this Philadelphia to Knoxville flight route?

    Within the past month, 1 users have taken a look at flights from Philadelphia to Knoxville McGhee Tyson.

  • How long is the flight from Philadelphia to Knoxville?

    For as low as $355, American Airlines can have you in Knoxville from Philadelphia in 2h 02m. The distance from Philadelphia to Knoxville is about 553 mi. All flights are typically nonstop.

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

    According to our current data, Delta ($236), and American Airlines ($355) offers the cheapest pricing from Philadelphia to Knoxville. Users have found that Delta is 48% cheaper than the other options available to this destination.

  • What are the most reliable airlines from Philadelphia to Knoxville?

    The top 3 most reliable airlines when flying from Philadelphia to Knoxville are Alaska Airlines (88%), Piedmont Airlines (80%) and American Airlines (79%).

  • What are the cheapest flights from Philadelphia to Knoxville?

    The cheapest flight price from Philadelphia to Knoxville is $279. On average you can expect to pay $462. The most popular route, (Philadelphia - Knoxville McGhee Tyson), can usually be booked for $203.

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

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

  • How can I find direct flights from Philadelphia to Knoxville?

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

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

    Yes. Cheapflights offers flight deals from Philadelphia to Knoxville 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 Philadelphia to Knoxville?

    Currently, June is the cheapest month in which you can book a flight from Philadelphia to Knoxville (average of $46). Flying from Philadelphia to Knoxville in December is currently the most expensive (average of $118). 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

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Morristown
Cherokee
Crossville
Corbin
Bryson City
Alcoa
Oak Ridge
Murphy

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Top 2 airlines flying from Philadelphia to Knoxville

Discover the top 2 airlines that operate flights from Philadelphia to Knoxville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$236Average$504FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$355Average$459FlexibilityNo cancel feeOn-time71%

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