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$107+ 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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — TYS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Philadelphia to Knoxville McGhee Tyson are usually found in August or July, booked 82 days in advance, depart on a Tuesday or Thursday and return on a Thursday

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 June 12, 2025.

Round-trip from

$282
(Mytrip)

One-way from

$107
(Mytrip)

Popular in

May

Cheapest in

August

Average price

$411

Good round-trip deal

$429 or less

Good one-way deal

$286 or less
From Philadelphia to Knoxville McGhee Tyson
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One-way flight from Philadelphia to Knoxville McGhee Tyson
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Highest demand for flights based on searches. 9% potential increase in price ($41 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Philadelphia to Knoxville McGhee Tyson.
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Price to beat on a one-way flight from Philadelphia to Knoxville McGhee Tyson.
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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 June 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/215:21 pmPHL - TYS
1 stop22h 44mMultiple Airlines
Thu 7/248:54 pmTYS - PHL
1 stop19h 22mMultiple Airlines
Deal found 6/10$282
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/135:25 amPHL - TYS
1 stop4h 05mDelta
Sat 8/161:00 pmTYS - PHL
1 stop4h 51mDelta
Deal found 6/12$343
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/136:45 pmPHL - TYS
Nonstop2h 10mAmerican Airlines
Wed 8/2010:55 amTYS - PHL
Nonstop2h 01mAmerican Airlines
Deal found 6/10$355
This Frontier deal was found by Cheapflights users on 6/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/106:15 amPHL - TYS
1 stop10h 14mFrontier
Sun 8/175:25 pmTYS - PHL
1 stop11h 44mFrontier
Deal found 6/10$361
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/137:59 pmPHL - TYS
1 stop4h 00mUnited Airlines
Sat 8/167:00 amTYS - PHL
2 stops7h 08mUnited Airlines
Deal found 6/10$450

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 June 12, 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

Mon 7/21

5:21 pm-4:05 pm

1 stop22h 44m

Knoxville McGhee Tyson

Thu 7/24

8:54 pm-4:16 pm

1 stop19h 22m

$282

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Wed 8/13

5:25 am-9:30 am

1 stop4h 05m

Knoxville McGhee Tyson

Sat 8/16

1:00 pm-5:51 pm

1 stop4h 51m

$343

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Wed 8/13

6:45 pm-8:55 pm

Nonstop2h 10m

Knoxville McGhee Tyson

Wed 8/20

10:55 am-12:56 pm

Nonstop2h 01m

$355

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Sun 8/10

6:15 am-4:29 pm

1 stop10h 14m

Knoxville McGhee Tyson

Sun 8/17

5:25 pm-5:09 am

1 stop11h 44m

$361

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Wed 8/13

7:59 pm-11:59 pm

1 stop4h 00m

Knoxville McGhee Tyson

Sat 8/16

7:00 am-2:08 pm

2 stops7h 08m

$450

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Tue 7/8

6:12 pm-3:19 pm

1 stop21h 07m

$107

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Fri 7/4

6:35 pm-12:24 am

1 stop5h 49m

$219

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Sun 7/20

7:33 pm-11:59 pm

1 stop4h 26m

$282

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

Sun 7/20

6:05 am-1:21 pm

2 stops7h 16m

$297

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 June 9, 2025.

To ensure you get the cheapest price possible for a flight from Philadelphia to Knoxville, you should look to book at least 82 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, January is the cheapest month in which you can book a flight from Philadelphia to Knoxville (average of $296). Flying from Philadelphia to Knoxville in March is currently the most expensive (average of $376). 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 June 12, 2025.

It’s optimal to fly from Philadelphia to Knoxville in the evening. By choosing this option you can save up to 78% on the cost of your flight, compared to a flight in the afternoon.

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 June 8, 2025.

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

Weekly flight availability from Philadelphia to Knoxville

Explore weekly flight availability from Philadelphia to Knoxville. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

The most flights from PHL to TYS are scheduled on a Wednesday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (7 on average).

Rainfall in Knoxville by month

Plan your trip to Knoxville by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Knoxville ranges from 2.7 - 4.8 inches per month. March is typically the wettest month, when rainfall can reach 4.8 in. October is typically the driest time to visit Knoxville when rainfall is around 2.7 in.

Temperature in Knoxville by month

Plan your trip to Knoxville by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Knoxville, 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 39.2 F).

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 June 12, 2025.
Read through reviews of airlines operating flights from Philadelphia to Knoxville, such as Delta, United Airlines and American Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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
3,295 reviews
Delta
8.0
Very good
7,950 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

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

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 8 flights from Philadelphia (PHL) to McGhee Tyson (TYS) per day to choose from. Flights to Knoxville from Philadelphia are available from 4 different airlines, which means you should have some options if you want to compare airfare deals. 1h 56m 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.

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

    According to our current data, Frontier ($328), Delta ($343), and American Airlines ($355) offers the cheapest pricing from Philadelphia to Knoxville. Users have found that Frontier is 20% cheaper than the other options available to this destination.

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

    One-way options have recently been found by users for as low as $219 on American Airlines. Other airlines that offer cheap prices include Delta from $229 and United Airlines from $297 one-way.

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

    The top 3 most reliable airlines when flying from Philadelphia to Knoxville are PSA Airlines (87%), American Airlines (82%) and Qatar Airways (82%).

  • What are the cheapest flights from Philadelphia to Knoxville?

    The cheapest flight price from Philadelphia to Knoxville is $212. On average you can expect to pay $444. The most popular route, (Philadelphia - Knoxville McGhee Tyson), can usually be booked for $253.

  • 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, January is the cheapest month in which you can book a flight from Philadelphia to Knoxville (average of $296). Flying from Philadelphia to Knoxville in March is currently the most expensive (average of $376). 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 Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Morristown
Cherokee
Corbin
Maryville
Oak Ridge
Alcoa
Murphy

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Top 4 airlines flying from Philadelphia to Knoxville

Discover the top 4 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$48Average$87FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$170Average$290FlexibilityNo cancel feeOn-time69%
DeltaCheapest$176Average$330FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$190Average$414FlexibilityNo cancel feeOn-time71%

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