HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Knoxville

$31+ 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 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — TYS
Aug 29 — Sep 51
Sat 8/29
Sat 9/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Pennsylvania to Knoxville with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 July 30, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Thu 10/2210:01 am
IAD
-
TYS
Nonstop1h 28m
Allegiant Air
Sun 10/256:00 am
TYS
-
IAD
Nonstop1h 26m
Allegiant Air
Deal found 7/25$79
This CheapOair deal was found by Cheapflights users on 7/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:34 pm
PHL
-
TYS
Nonstop2h 00m
Allegiant Air
Fri 9/251:54 pm
TYS
-
PHL
Nonstop1h 50m
Allegiant Air
Deal found 7/30$86
This CheapOair deal was found by Cheapflights users on 7/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/214:35 pm
PHL
-
TYS
Nonstop2h 00m
Allegiant Air
Fri 8/281:55 pm
TYS
-
PHL
Nonstop1h 50m
Allegiant Air
Deal found 7/28$87
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Thu 10/2910:01 am
IAD
-
TYS
Nonstop1h 28m
Allegiant Air
Sun 11/16:00 am
TYS
-
IAD
Nonstop1h 26m
Allegiant Air
Deal found 7/25$88
This CheapOair deal was found by Cheapflights users on 7/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/214:35 pm
PHL
-
TYS
Nonstop2h 00m
Allegiant Air
Mon 8/241:55 pm
TYS
-
PHL
Nonstop1h 50m
Allegiant Air
Deal found 7/26$92
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 8/244:35 pm
PHL
-
TYS
Nonstop2h 00m
Allegiant Air
Mon 8/311:25 pm
TYS
-
PHL
Nonstop1h 50m
Allegiant Air
Deal found 7/29$95
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 8/165:36 pm
PHL
-
TYS
Nonstop2h 03m
Allegiant Air
Mon 8/241:55 pm
TYS
-
PHL
Nonstop1h 50m
Allegiant Air
Deal found 7/29$96
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 10/13:53 pm
IAD
-
TYS
Nonstop1h 28m
Allegiant Air
Sun 10/41:37 pm
TYS
-
IAD
Nonstop1h 26m
Allegiant Air
Deal found 7/27$100
This Trip.com deal was found by Cheapflights users on 7/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/165:36 pm
PHL
-
TYS
Nonstop2h 03m
Allegiant Air
Fri 8/211:55 pm
TYS
-
PHL
Nonstop1h 50m
Allegiant Air
Deal found 7/29$100
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 7/313:16 pm
IAD
-
TYS
Nonstop1h 26m
Allegiant Air
Mon 8/312:53 pm
TYS
-
IAD
Nonstop1h 33m
Allegiant Air
Deal found 7/27$106
This CheapOair deal was found by Cheapflights users on 7/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/135:36 pm
PHL
-
TYS
Nonstop2h 03m
Allegiant Air
Sun 8/162:56 pm
TYS
-
PHL
Nonstop1h 50m
Allegiant Air
Deal found 7/30$108
This eDestinos deal was found by Cheapflights users on 7/27. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/13:53 pm
IAD
-
TYS
Nonstop1h 28m
Allegiant Air
Sun 10/111:37 pm
TYS
-
IAD
Nonstop1h 26m
Allegiant Air
Deal found 7/27$109

Find flight deals from Pennsylvania to Knoxville

Keep the following information in mind while searching for Pennsylvania to Knoxville flight deals. Data was last updated July 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$79
(Kiwi.com)

One-way from

$31
(Kiwi.com)

Popular in

January

Cheapest in

July

Average price

$165

Good round-trip deal

$119 or less

Good one-way deal

$77 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 Pennsylvania to Knoxville McGhee Tyson
Search Deals
One-way flight from Pennsylvania to Knoxville McGhee Tyson
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($92 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Pennsylvania to Knoxville McGhee Tyson.
Search Deals
Price to beat on a one-way flight from Pennsylvania to Knoxville McGhee Tyson.
Search Deals

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 July 30, 2026.
Use the filters below to find and compare flights from Pennsylvania to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Tue 10/13

12:55 pm-2:42 pm

Nonstop1h 47m

Knoxville McGhee Tyson

Wed 10/21

5:45 am-7:25 am

Nonstop1h 40m

$193

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Thu 8/27

6:00 am-9:36 am

1 stop3h 36m

Knoxville McGhee Tyson

Thu 9/3

5:40 am-9:10 am

1 stop3h 30m

$213

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Sun 9/6

9:55 am-1:50 pm

1 stop3h 55m

Knoxville McGhee Tyson

Wed 9/9

1:55 pm-8:55 pm

1 stop7h 00m

$214

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Thu 9/3

6:00 am-9:36 am

1 stop3h 36m

Knoxville McGhee Tyson

Sun 9/6

6:00 am-10:04 am

1 stop4h 04m

$214

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Fri 10/30

6:59 am-1:40 pm

1 stop6h 41m

Knoxville McGhee Tyson

Mon 11/2

2:38 pm-8:44 pm

1 stop6h 06m

$214

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Fri 8/28

6:42 pm-8:24 pm

Nonstop1h 42m

Knoxville McGhee Tyson

Tue 9/1

9:45 am-11:31 am

Nonstop1h 46m

$215

Washington, D.C.Knoxville

DCA - TYS

DCATYS

Washington, D.C. Reagan-National

Tue 9/1

6:05 am-12:05 pm

2 stops6h 00m

Knoxville McGhee Tyson

Tue 9/1

5:30 pm-11:55 pm

1 stop6h 25m

$218

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Fri 8/28

7:26 pm-11:52 pm

1 stop4h 26m

Knoxville McGhee Tyson

Tue 9/1

6:12 pm-12:34 am

1 stop6h 22m

$235

Washington, D.C.Knoxville

IAD - TYS

IADTYS

Washington, D.C. Dulles Intl

Fri 10/2

7:17 pm-11:55 pm

1 stop4h 38m

Knoxville McGhee Tyson

Tue 10/6

10:29 am-2:08 pm

1 stop3h 39m

$235

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Thu 8/27

7:00 am-12:05 pm

1 stop5h 05m

Knoxville McGhee Tyson

Thu 9/3

12:52 pm-7:09 pm

1 stop6h 17m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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, July is the cheapest month in which you can book a flight from Pennsylvania to Knoxville (average of $283). Flying from Pennsylvania to Knoxville in January is currently the most expensive (average of $508). 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 July 30, 2026.

When flying from Pennsylvania to Knoxville, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 66% versus a flight in the evening.

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 July 30, 2026.

The most flights from USPA to TYS are scheduled on a Monday (7 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost to fly round-trip from Pennsylvania to Knoxville?

Airfare is below average for this route at the moment.
Pennsylvania to Knoxville flights typically cost between $106 and $450 in September.
The cheapest round-trip price found within the last 5 days was $86 on Allegiant Air (Sep 21-Sep 25).

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

The best time to book flights from Pennsylvania to Knoxville is 63 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Use this chart to determine the cheapest time to fly round-trip from Pennsylvania to Knoxville. Price data was last updated on July 25, 2026.

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

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 7 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 47m. Airlines will cover a distance of 419 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 ($39), Delta ($125), and American Airlines ($145).

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

    While some choose either New York John F Kennedy Intl - Knoxville McGhee Tyson or Newark - Knoxville McGhee Tyson, New York LaGuardia - 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 (88%), American Airlines (82%), Alaska Airlines( 72%).

  • What are the cheapest flights from Pennsylvania to Knoxville?

    The cheapest flight price from Pennsylvania to Knoxville is $55. On average you can expect to pay $146. The most popular route, (New York LaGuardia - Knoxville McGhee Tyson), can usually be booked for $281.

  • 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, July is the cheapest month in which you can book a flight from Pennsylvania to Knoxville (average of $283). Flying from Pennsylvania to Knoxville in January is currently the most expensive (average of $508). 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
Morristown
Bryson City
Murphy
Alcoa

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Pennsylvania to Knoxville

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Nashville flights
John F Kennedy Intl to Nashville flights
Los Angeles to Nashville flights
Boston to Nashville flights
LaGuardia to Nashville flights
Philadelphia to Nashville flights
Seattle to Nashville flights
O'Hare Intl to Nashville flights
Reagan-National to Nashville flights
Dulles Intl to Nashville flights
Dallas/Fort Worth to Nashville flights
Baltimore to Nashville flights
Denver to Nashville flights
Raleigh to Nashville flights
Orlando to Nashville flights
Sky Harbor Intl to Nashville flights
Minneapolis to Nashville flights
Ontario to Nashville flights
San Francisco to Nashville flights
San Diego to Nashville flights
Hobby to Nashville flights
LaGuardia to Knoxville flights
Detroit to Nashville flights
LaGuardia to Memphis flights
Dallas/Fort Worth to Knoxville flights
George Bush Intcntl to Nashville flights
Austin to Nashville flights
Hartford to Nashville flights
O'Hare Intl to Knoxville flights
Fort Lauderdale to Nashville flights
Cleveland to Nashville flights
Sacramento to Nashville flights
Miami to Nashville flights
Portland to Nashville flights
Newark to Memphis flights
Burbank to Nashville flights
George Bush Intcntl to Knoxville flights
Midway to Nashville flights
John F Kennedy Intl to Knoxville flights
Hobby to Knoxville flights
Charlotte to Nashville flights
Dallas/Fort Worth to Memphis flights
Providence to Nashville flights
Long Beach to Nashville flights
Trenton to Nashville flights
Tampa to Nashville flights
Love Field to Nashville flights
Salt Lake City to Nashville flights
John F Kennedy Intl to Memphis flights
Dulles Intl to Memphis flights

Top 5 airlines flying from Pennsylvania to Knoxville

Discover the top 5 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 July 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$83Average$219FlexibilityNo cancel feeOn-time88%
DeltaCheapest$118Average$498FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$228Average$460FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$235Average$412FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$265Average$400FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.