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$92+ 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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — TYS
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheapflights Tip: The best prices from Philadelphia to Knoxville McGhee Tyson are usually found in July or August, booked 18 days in advance, depart on a Wednesday or Saturday and return on a Friday

Cheap 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 January 26, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/23. 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 5/246:26 pm
PHL
-
TYS
Nonstop2h 03m
Allegiant Air
Thu 5/283:46 pm
TYS
-
PHL
Nonstop1h 50m
Allegiant Air
Deal found 1/23$124
This Kiwi.com deal was found by Cheapflights users on 1/23. 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 5/216:53 pm
PHL
-
TYS
Nonstop2h 03m
Allegiant Air
Thu 5/283:46 pm
TYS
-
PHL
Nonstop1h 50m
Allegiant Air
Deal found 1/23$153
This Kiwi.com deal was found by Cheapflights users on 1/25. 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 7/196:28 pm
PHL
-
TYS
Nonstop2h 03m
Allegiant Air
Thu 7/233:48 pm
TYS
-
PHL
Nonstop1h 50m
Allegiant Air
Deal found 1/25$161
This Kiwi.com deal was found by Cheapflights users on 1/23. 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 6/186:27 pm
PHL
-
TYS
Nonstop2h 03m
Allegiant Air
Thu 6/253:47 pm
TYS
-
PHL
Nonstop1h 50m
Allegiant Air
Deal found 1/23$162
This Kiwi.com deal was found by Cheapflights users on 1/23. 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 6/216:26 pm
PHL
-
TYS
Nonstop2h 03m
Allegiant Air
Thu 6/253:47 pm
TYS
-
PHL
Nonstop1h 50m
Allegiant Air
Deal found 1/23$169
This Kiwi.com deal was found by Cheapflights users on 1/24. 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.
Sun 6/76:26 pm
PHL
-
TYS
Nonstop2h 03m
Allegiant Air
Sun 6/143:46 pm
TYS
-
PHL
Nonstop1h 50m
Allegiant Air
Deal found 1/24$178
This Kiwi.com deal was found by Cheapflights users on 1/23. 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 6/186:27 pm
PHL
-
TYS
Nonstop2h 03m
Allegiant Air
Sun 6/213:46 pm
TYS
-
PHL
Nonstop1h 50m
Allegiant Air
Deal found 1/23$180
This Kiwi.com deal was found by Cheapflights users on 1/24. 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 7/166:28 pm
PHL
-
TYS
Nonstop2h 03m
Allegiant Air
Sun 7/193:48 pm
TYS
-
PHL
Nonstop1h 50m
Allegiant Air
Deal found 1/24$187
This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Mon 2/239:12 am
PHL
-
TYS
1 stop14h 26m
Multiple Airlines
Mon 3/29:36 pm
TYS
-
PHL
1 stop12h 17m
Multiple Airlines
Deal found 1/26$190
This Kiwi.com deal was found by Cheapflights users on 1/23. 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 6/256:27 pm
PHL
-
TYS
Nonstop2h 03m
Allegiant Air
Sun 6/283:46 pm
TYS
-
PHL
Nonstop1h 50m
Allegiant Air
Deal found 1/23$206
This Kiwi.com deal was found by Cheapflights users on 1/23. 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 5/246:26 pm
PHL
-
TYS
Nonstop2h 03m
Multiple Airlines
Wed 5/271:01 pm
TYS
-
PHL
1 stop10h 58m
Multiple Airlines
Deal found 1/23$217

Find 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 January 26, 2026.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$161
(Kiwi.com)

One-way from

$92
(Kiwi.com)

Popular in

December

Cheapest in

July

Average price

$487

Good round-trip deal

$380 or less
Provider with most accurate pricing for Philadelphia-Knoxville McGhee Tyson flight deals.
Search Deals
Provider most trusted by Cheapflights users for Philadelphia-Knoxville McGhee Tyson flights.
Search Deals
From Philadelphia to Knoxville McGhee Tyson
Search Deals
One-way flight from Philadelphia to Knoxville McGhee Tyson
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($18 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Philadelphia to Knoxville McGhee Tyson.
Search Deals

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 January 26, 2026.
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

Fri 2/27

2:03 pm-1:02 pm

1 stop22h 59m

Knoxville McGhee Tyson

Mon 3/2

9:36 pm-9:53 am

1 stop12h 17m

$292

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Sat 4/11

6:15 am-6:30 pm

2 stops12h 15m

Knoxville McGhee Tyson

Sun 4/12

6:40 am-1:25 pm

2 stops6h 45m

$328

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Wed 4/1

8:55 am-8:05 pm

1 stop11h 10m

Knoxville McGhee Tyson

Sun 4/5

7:25 pm-12:05 am

1 stop4h 40m

$337

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Fri 3/27

11:40 am-9:15 pm

1 stop9h 35m

Knoxville McGhee Tyson

Wed 4/1

6:35 am-1:30 pm

1 stop6h 55m

$337

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Fri 3/20

11:40 am-9:15 pm

1 stop9h 35m

Knoxville McGhee Tyson

Tue 3/24

6:20 pm-10:40 pm

1 stop4h 20m

$337

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Tue 4/21

11:35 am-7:40 pm

2 stops8h 05m

Knoxville McGhee Tyson

Thu 4/30

12:15 pm-10:45 pm

2 stops10h 30m

$342

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Wed 4/1

4:33 pm-9:24 pm

1 stop4h 51m

Knoxville McGhee Tyson

Tue 4/7

2:49 pm-4:50 pm

Nonstop2h 01m

$349

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Tue 2/24

8:02 pm-7:29 pm

1 stop23h 27m

Knoxville McGhee Tyson

Mon 3/2

7:25 pm-2:10 pm

1 stop18h 45m

$351

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Fri 4/17

11:10 am-8:20 pm

2 stops9h 10m

Knoxville McGhee Tyson

Sat 4/25

6:40 am-5:50 pm

2 stops11h 10m

$357

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Wed 4/1

12:26 pm-4:43 pm

1 stop4h 17m

Knoxville McGhee Tyson

Tue 4/7

11:18 am-4:33 pm

1 stop5h 15m

$359

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 18 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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
MytripPrice Accuracy3 starsTrust 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 January 23, 2026.

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 $121). 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 January 26, 2026.

It’s optimal to fly from Philadelphia to Knoxville in the evening. By choosing this option you can save up to 10% on the cost of your flight, compared to a flight in the morning.

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 January 24, 2026.

Travelers seeking maximum savings on their Philadelphia to Knoxville flight should consider departing on Monday evenings when fares are most often at their lowest. Monday at noon 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 January 26, 2026.
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
8,111 reviews

Food

7.2

Entertainment

7.8

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,111 reviews
Delta
7.9
Good
8,111 reviews

Food

7.2

Entertainment

7.8

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,189 reviews
Delta
7.9
Good
8,111 reviews

Food

7.2

Entertainment

7.8

Overall

7.9

Crew

8.5

Boarding

8.1

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 6 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. 2h 03m 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 $328, Southwest can have you in Knoxville from Philadelphia in 12h 15m. The distance from Philadelphia to Knoxville is about 553 mi.

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

    According to our current data, Delta ($118), and American Airlines ($355) offers the cheapest pricing from Philadelphia to Knoxville. Users have found that Delta is 74% 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 Qatar Airways (86%), PSA Airlines (76%) and American Airlines (74%).

  • What are the cheapest flights from Philadelphia to Knoxville?

    The cheapest flight price from Philadelphia to Knoxville is $188. On average you can expect to pay $461. The most popular route, (Philadelphia - Knoxville McGhee Tyson), can usually be booked for $178.

  • 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 $121). 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
Cherokee
Crossville
Corbin
Morristown
Bryson City
Alcoa
Oak Ridge
Murphy

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Alternative routes for Philadelphia to Knoxville

See prices for flight routes from nearby airports that may be better suited for you.
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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 January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$118Average$518FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$355Average$472FlexibilityNo cancel feeOn-time71%

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