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Knoxville

$61+ Cheap flights from Pennsylvania to Knoxville (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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — TYS
Oct 23 — Oct 301
Thu 10/23
Thu 10/30
1 adult, Economy
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Cheap flight deals from Pennsylvania to Knoxville

Keep the following information in mind while searching for Pennsylvania to Knoxville flight deals. Data was last updated September 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$91
(Kiwi.com)

One-way from

$61
(Cheapflightsfares)

Popular in

May

Cheapest in

July

Average price

$452

Good round-trip deal

$449 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 Pennsylvania to Knoxville McGhee Tyson
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One-way flight from Pennsylvania to Knoxville McGhee Tyson
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Highest demand for flights based on searches. 2% potential increase in price ($12 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 September 2025
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Price to beat on a round-trip flight from Pennsylvania to Knoxville McGhee Tyson.
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Price to beat on a one-way flight from Pennsylvania to Knoxville McGhee Tyson.
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Find flight deals from Pennsylvania to Knoxville

Cheapest flights from Pennsylvania to Knoxville
Explore the most affordable flight options available from Pennsylvania to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/21. 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.
Fri 11/78:46 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Mon 11/105:22 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 9/21$91
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 10/209:36 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Fri 10/245:59 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 9/21$98
This FlightHub deal was found by Cheapflights users on 9/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/208:23 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Sun 11/235:49 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 9/21$99
This FlightHub deal was found by Cheapflights users on 9/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/248:33 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Mon 10/2711:00 amTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 9/21$109
This Kiwi.com deal was found by Cheapflights users on 9/20. 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.
Fri 10/179:36 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Fri 10/245:59 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 9/20$111
This FlightHub deal was found by Cheapflights users on 9/21. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:35 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Sat 1/32:23 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 9/21$112
This FlightHub deal was found by Cheapflights users on 9/23. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/179:36 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Mon 10/207:02 pmTYS - IAD
Nonstop1h 44mAllegiant Air
Deal found 9/23$123
This Gotogate deal was found by Cheapflights users on 9/22. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/59:55 amEWR - TYS
Nonstop2h 00mAllegiant Air
Mon 12/87:15 amTYS - EWR
Nonstop1h 50mAllegiant Air
Deal found 9/22$129
This Booking.com deal was found by Cheapflights users on 9/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/49:55 amEWR - TYS
Nonstop2h 00mAllegiant Air
Sat 10/117:10 amTYS - EWR
Nonstop1h 55mAllegiant Air
Deal found 9/21$139
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 10/139:36 pmIAD - TYS
Nonstop1h 40mAllegiant Air
Fri 10/316:45 amTYS - IAD
1 stop8h 18mAllegiant Air
Deal found 9/22$153
This Cheapflightsfares deal was found by Cheapflights users on 9/22. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/219:55 amEWR - TYS
Nonstop2h 00mAllegiant Air
Fri 11/287:15 amTYS - EWR
Nonstop1h 50mAllegiant Air
Deal found 9/22$153
This Cheapflightsfares deal was found by Cheapflights users on 9/21. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/79:55 amEWR - TYS
Nonstop2h 05mAllegiant Air
Mon 11/107:20 amTYS - EWR
Nonstop1h 45mAllegiant Air
Deal found 9/21$161

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pennsylvania 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 September 23, 2025.
Use the filters below to find and compare flights from Pennsylvania to Knoxville that are best for you.

Fly from

Pennsylvania

Fly to

Knoxville

Route

Depart

Return

Price

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Fri 10/17

3:05 pm-6:59 pm

1 stop27h 54m

Knoxville McGhee Tyson

Fri 10/24

5:59 pm-7:43 pm

Nonstop1h 44m

$161

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Thu 12/4

7:48 pm-9:36 pm

Nonstop1h 48m

Knoxville McGhee Tyson

Mon 12/8

6:00 am-7:48 am

Nonstop1h 48m

$189

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Wed 10/29

10:11 am-1:42 pm

1 stop3h 31m

Knoxville McGhee Tyson

Sat 11/1

2:41 pm-7:24 pm

1 stop4h 43m

$209

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Sat 10/25

6:00 am-10:28 am

1 stop4h 28m

Knoxville McGhee Tyson

Mon 10/27

8:10 pm-12:12 am

1 stop4h 02m

$209

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Wed 11/5

6:19 am-12:03 pm

1 stop5h 44m

Knoxville McGhee Tyson

Sat 11/8

2:41 pm-6:33 pm

1 stop3h 52m

$209

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Sat 10/25

6:00 am-11:04 am

1 stop5h 04m

Knoxville McGhee Tyson

Mon 10/27

8:10 pm-11:41 pm

1 stop3h 31m

$209

NewarkKnoxville

EWR - TYS

EWRTYS

Newark

Fri 12/19

9:55 am-12:00 pm

Nonstop2h 05m

Knoxville McGhee Tyson

Tue 12/23

7:15 am-9:05 am

Nonstop1h 50m

$215

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Mon 11/3

1:34 pm-3:14 pm

Nonstop1h 40m

Knoxville McGhee Tyson

Thu 11/6

5:38 pm-6:21 pm

2 stops24h 43m

$220

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Tue 9/30

7:58 pm-9:41 pm

Nonstop1h 43m

Knoxville McGhee Tyson

Tue 10/7

4:41 pm-6:17 pm

Nonstop1h 36m

$224

HarrisburgKnoxville

MDT - TYS

MDTTYS

Harrisburg

Sat 10/18

5:48 pm-10:50 pm

1 stop5h 02m

Knoxville McGhee Tyson

Sat 10/25

10:51 am-4:52 pm

1 stop6h 01m

$229

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/23

Showing 1-10 of 60 results
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Best time to book a flight from Pennsylvania to Knoxville

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

What is the cheapest month to book a flight from Pennsylvania to Knoxville?

Currently, January is the cheapest month in which you can book a flight from Pennsylvania to Knoxville (average of $294). Flying from Pennsylvania 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 PA to TYS?

Find hourly flight availability from Pennsylvania 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 September 23, 2025.

When flying from Pennsylvania to Knoxville, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Pennsylvania to Knoxville

Explore weekly flight availability from Pennsylvania 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 September 23, 2025.

The most flights from USPA to TYS are scheduled on a Monday (10 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

Related info for your journey

Find useful and relevant information for your journey from Pennsylvania to Knoxville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Knoxville from Pennsylvania?

    Most people fly into Knoxville McGhee Tyson (TYS) if they book a flight to Knoxville from Pennsylvania. McGhee Tyson is conveniently located just 11.3 mi from Knoxville’s city center.

  • How popular is this Pennsylvania to Knoxville flight route?

    The Pennsylvania to Knoxville McGhee Tyson flight path was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Pennsylvania to Knoxville?

    Departing from Pennsylvania to Knoxville will take you 1h 48m. Airlines will cover a distance of 436 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The cheapest airlines for a one-way flight from Pennsylvania to Knoxville are Allegiant Air ($61), United Airlines ($90), and Delta ($109).

  • What are the most popular routes from Pennsylvania to Knoxville?

    While some choose either Philadelphia - Knoxville McGhee Tyson or New York LaGuardia - Knoxville McGhee Tyson, Washington, D.C. Dulles Intl - Knoxville McGhee Tyson is the most popular route from Pennsylvania to Knoxville.

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

    Before booking your flight to Knoxville from Pennsylvania, check out the most reliable airlines to get you to your destination on time: Piedmont Airlines (87%), Alaska Airlines (81%), American Airlines( 81%).

  • What are the cheapest flights from Pennsylvania to Knoxville?

    The cheapest flight price from Pennsylvania to Knoxville is $401. On average you can expect to pay $471. The most popular route, (Washington, D.C. Dulles Intl - Knoxville McGhee Tyson), can usually be booked for $89.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Pennsylvania to Knoxville (average of $294). Flying from Pennsylvania 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 Knoxville?

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

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Alternative routes for Pennsylvania to Knoxville

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Pennsylvania to Knoxville

Discover the top 4 airlines that operate flights from Pennsylvania 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 September 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$141Average$255FlexibilityNo cancel feeOn-time88%
DeltaCheapest$198Average$409FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$228Average$430FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$228Average$395FlexibilityNo cancel feeOn-time69%

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