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$110+ 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 5/25. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — TYS
may. 4 — may. 111
dom. 5/4
dom. 5/11
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Philadelphia to Knoxville McGhee Tyson are usually found in June 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 abril 29, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$355
(American Airlines)

One-way from

$110
(Frontier)

Popular in

February

Cheapest in

June

Average price

$457

Good round-trip deal

$437 or less

Good one-way deal

$264 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
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Highest demand for flights based on searches. 18% potential increase in price ($88 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in April 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 abril 29, 2025.

This American Airlines deal was found by Cheapflights users on 4/28. 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.
sáb. 6/213:35 pmPHL - TYS
Nonstop1h 57mAmerican Airlines
mié. 6/257:24 amTYS - PHL
Nonstop1h 55mAmerican Airlines
Deal found 4/28$355
This Mytrip deal was found by Cheapflights users on 4/28. 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.
jue. 7/105:45 amPHL - TYS
2 stops14h 19mMultiple Airlines
lun. 7/146:00 amTYS - PHL
2 stops26h 05mMultiple Airlines
Deal found 4/28$358
This Frontier deal was found by Cheapflights users on 4/28. 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.
jue. 7/246:15 amPHL - TYS
1 stop10h 14mFrontier
dom. 7/275:25 pmTYS - PHL
1 stop11h 44mFrontier
Deal found 4/28$362
This Delta deal was found by Cheapflights users on 4/28. 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.
sáb. 6/216:00 amPHL - TYS
1 stop4h 09mDelta
mié. 6/255:45 amTYS - PHL
1 stop5h 19mDelta
Deal found 4/28$375
This United Airlines deal was found by Cheapflights users on 4/28. 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.
mar. 4/293:10 pmPHL - TYS
2 stops7h 12mUnited Airlines
mar. 5/65:50 amTYS - PHL
1 stop3h 55mUnited Airlines
Deal found 4/28$436

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 abril 29, 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

sáb. 6/21

3:35 pm-5:32 pm

Nonstop1h 57m

Knoxville McGhee Tyson

mié. 6/25

7:24 am-9:19 am

Nonstop1h 55m

$355

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

jue. 7/10

5:45 am-8:04 pm

2 stops14h 19m

Knoxville McGhee Tyson

lun. 7/14

6:00 am-8:05 am

2 stops26h 05m

$358

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

jue. 7/24

6:15 am-4:29 pm

1 stop10h 14m

Knoxville McGhee Tyson

dom. 7/27

5:25 pm-5:09 am

1 stop11h 44m

$362

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

sáb. 6/21

6:00 am-10:09 am

1 stop4h 09m

Knoxville McGhee Tyson

mié. 6/25

5:45 am-11:04 am

1 stop5h 19m

$375

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

mié. 7/2

5:11 pm-10:35 pm

1 stop5h 24m

Knoxville McGhee Tyson

sáb. 7/5

7:00 am-2:08 pm

2 stops7h 08m

$450

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

dom. 5/25

6:15 am-4:35 pm

1 stop10h 20m

$110

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

mié. 6/11

7:00 am-8:19 am

1 stop25h 19m

$111

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

mié. 6/11

6:56 pm-8:59 pm

Nonstop2h 03m

$178

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

mié. 6/25

5:01 pm-9:16 pm

1 stop4h 15m

$188

PhiladelphiaKnoxville

PHL - TYS

PHLTYS

Philadelphia

vie. 5/9

6:15 am-10:05 am

1 stop3h 50m

$329

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 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 April 25, 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 abril 29, 2025.

It’s optimal to fly from Philadelphia to Knoxville in the evening. By choosing this option you can save up to 76% 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 March 30, 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. Friday evenings 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 abril 29, 2025.

The most flights from PHL to TYS are scheduled on a Monday (9 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (4 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 abril 29, 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
7,929 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Frontier
6.0
Okay
3,284 reviews
Delta
8.0
Very good
7,929 reviews

Boarding

8.2

Entertainment

7.9

Crew

8.5

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 4 different airlines, which means you should have some options if you want to compare airfare deals. 1h 57m 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, American Airlines ($355), Frontier ($362), and Delta ($375) offers the cheapest pricing from Philadelphia to Knoxville. Users have found that American Airlines is 7% 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 $110 on Frontier. Other airlines that offer cheap prices include American Airlines from $178 and Delta from $188 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 Piedmont Airlines (82%), American Airlines (81%) and Alaska Airlines (79%).

  • What are the cheapest flights from Philadelphia to Knoxville?

    The cheapest flight price from Philadelphia to Knoxville is $260. On average you can expect to pay $359. The most popular route, (Philadelphia - Knoxville McGhee Tyson), can usually be booked for $259.

  • 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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Alternative routes for Philadelphia to Knoxville

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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 abril 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$48Average$96FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$158Average$396FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$170Average$290FlexibilityNo cancel feeOn-time69%
DeltaCheapest$176Average$328FlexibilityNo cancel feeOn-timeN/A

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