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$31+ Cheap flights from Knoxville (TYS) to Pennsylvania

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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — PHL
Aug 15 — Aug 221
Sat 8/15
Sat 8/22
1 adult, Economy
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Cheap flight deals from Knoxville to Pennsylvania

Cheapest flights from Knoxville to Pennsylvania
Explore the most affordable flight options available from Knoxville to Pennsylvania. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 16, 2026.

This Super.com deal was found by Cheapflights users on 7/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2412:53 pm
TYS
-
IAD
Nonstop1h 33m
Allegiant Air
Mon 7/273:16 pm
IAD
-
TYS
Nonstop1h 26m
Allegiant Air
Deal found 7/14$60
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 9/111:54 pm
TYS
-
PHL
Nonstop1h 50m
Allegiant Air
Mon 9/145:34 pm
PHL
-
TYS
Nonstop2h 00m
Allegiant Air
Deal found 7/13$72
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/132:56 pm
TYS
-
PHL
Nonstop1h 50m
Allegiant Air
Fri 8/284:35 pm
PHL
-
TYS
Nonstop2h 00m
Allegiant Air
Deal found 7/12$73
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/152:37 pm
TYS
-
IAD
Nonstop1h 26m
Allegiant Air
Sun 11/18:16 am
IAD
-
TYS
Nonstop1h 28m
Allegiant Air
Deal found 7/12$75
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 8/132:56 pm
TYS
-
PHL
Nonstop1h 50m
Allegiant Air
Sun 8/165:36 pm
PHL
-
TYS
Nonstop2h 03m
Allegiant Air
Deal found 7/13$85
This Trip.com deal was found by Cheapflights users on 7/13. 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.
Fri 8/211:55 pm
TYS
-
PHL
Nonstop1h 50m
Allegiant Air
Mon 8/244:35 pm
PHL
-
TYS
Nonstop2h 00m
Allegiant Air
Deal found 7/13$86
This Super.com deal was found by Cheapflights users on 7/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2712:53 pm
TYS
-
IAD
Nonstop1h 33m
Allegiant Air
Fri 7/313:16 pm
IAD
-
TYS
Nonstop1h 26m
Allegiant Air
Deal found 7/14$87
This Booking.com deal was found by Cheapflights users on 7/11. 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.
Fri 11/131:17 pm
TYS
-
PHL
Nonstop1h 50m
Allegiant Air
Mon 11/165:01 pm
PHL
-
TYS
Nonstop2h 00m
Allegiant Air
Deal found 7/11$94
This Booking.com deal was found by Cheapflights users on 7/11. 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.
Sun 7/263:38 pm
TYS
-
PHL
Nonstop1h 50m
Allegiant Air
Sun 8/26:18 pm
PHL
-
TYS
Nonstop2h 03m
Allegiant Air
Deal found 7/11$97
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/111:37 pm
TYS
-
IAD
Nonstop1h 26m
Allegiant Air
Sun 10/183:53 pm
IAD
-
TYS
Nonstop1h 28m
Allegiant Air
Deal found 7/12$101
This Booking.com deal was found by Cheapflights users on 7/12. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1712:53 pm
TYS
-
IAD
Nonstop1h 33m
Allegiant Air
Mon 7/203:16 pm
IAD
-
TYS
Nonstop1h 26m
Allegiant Air
Deal found 7/12$103
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/82:37 pm
TYS
-
IAD
Nonstop1h 26m
Allegiant Air
Thu 10/154:53 pm
IAD
-
TYS
Nonstop1h 28m
Allegiant Air
Deal found 7/12$108

Find flight deals from Knoxville to Pennsylvania

Keep the following information in mind while searching for Knoxville to Pennsylvania flight deals. Data was last updated July 16, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$60
(Super.com)

One-way from

$31
(Kiwi.com)

Popular in

April

Cheapest in

June

Average price

$411

Good round-trip deal

$469 or less

Good one-way deal

$69 or less
Provider with most accurate pricing for Knoxville McGhee Tyson-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Philadelphia flights.
Search Deals
From Knoxville McGhee Tyson to Pennsylvania
Search Deals
One-way flight from Knoxville McGhee Tyson to Pennsylvania
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 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 Knoxville McGhee Tyson to Pennsylvania.
Search Deals
Price to beat on a one-way flight from Knoxville McGhee Tyson to Pennsylvania.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to Pennsylvania 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 16, 2026.
Use the filters below to find and compare flights from Knoxville to Pennsylvania that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Sat 8/8

5:45 am-7:30 am

Nonstop1h 45m

Washington, D.C. Dulles Intl

Wed 8/12

10:15 pm-11:59 pm

Nonstop1h 44m

$185

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Thu 10/8

12:06 pm-3:49 pm

1 stop3h 43m

Washington, D.C. Dulles Intl

Tue 10/13

6:00 am-11:01 am

1 stop5h 01m

$205

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Sat 8/8

5:00 pm-11:48 pm

1 stop6h 48m

Washington, D.C. Reagan-National

Wed 8/12

6:00 am-9:36 am

1 stop3h 36m

$205

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Thu 10/8

6:21 pm-11:45 pm

1 stop5h 24m

Washington, D.C. Reagan-National

Tue 10/13

9:00 am-1:40 pm

1 stop4h 40m

$205
Quickest round-trip

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Thu 8/6

7:19 pm-9:03 pm

Nonstop1h 44m

Washington, D.C. Dulles Intl

Sun 8/9

12:50 pm-2:27 pm

Nonstop1h 37m

$211

KnoxvilleWashington, D.C.

TYS - IAD

TYSIAD

Knoxville McGhee Tyson

Thu 8/20

7:41 pm-12:34 am

1 stop4h 53m

Washington, D.C. Dulles Intl

Sun 8/23

6:00 am-9:44 am

1 stop3h 44m

$231

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Fri 10/16

6:21 pm-11:45 pm

1 stop5h 24m

Washington, D.C. Reagan-National

Mon 10/19

7:40 pm-11:59 pm

1 stop4h 19m

$231

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Thu 8/20

5:40 am-9:10 am

1 stop3h 30m

Washington, D.C. Reagan-National

Sun 8/23

6:00 am-9:44 am

1 stop3h 44m

$231

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Wed 9/30

12:23 pm-5:28 pm

1 stop5h 05m

Washington, D.C. Reagan-National

Sun 10/4

7:00 am-11:18 am

1 stop4h 18m

$231

KnoxvilleWashington, D.C.

TYS - DCA

TYSDCA

Knoxville McGhee Tyson

Thu 8/20

2:05 pm-10:45 pm

2 stops8h 40m

Washington, D.C. Reagan-National

Sun 8/23

6:05 am-12:25 pm

1 stop6h 20m

$236

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/11

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from Knoxville to Pennsylvania

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

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

Currently, August is the cheapest month in which you can book a flight from Knoxville to Pennsylvania (average of $68). Flying from Knoxville to Pennsylvania in March is currently the most expensive (average of $317). 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 TYS to PA?

Find hourly flight availability from Knoxville to Pennsylvania. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 16, 2026.

When flying from Knoxville to Pennsylvania, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 51% versus a flight at noon.

Weekly flight availability from Knoxville to Pennsylvania

Explore weekly flight availability from Knoxville to Pennsylvania. 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 16, 2026.

The most flights from TYS to USPA 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 Knoxville to Pennsylvania?

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

Booking 35 days in advance of your planned departure date is, on average, the best time to get cheap flights from Knoxville to Pennsylvania. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Pennsylvania

Get insights into the airlines that provide service to Pennsylvania. 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 Pennsylvania. Reviews last updated July 16, 2026.
Read reviews from past customers who have flown Southwest,Delta, andUnited Airlines from Knoxville to Pennsylvania. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Delta
7.8
Good
8,472 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
United Airlines
7.4
Good
9,994 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
Allegiant Air
7.3
Good
681 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.
American Airlines
7.1
Good
11,816 reviews
Southwest
8.0
Very good
4,242 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Libby,Jun 2026

TUS - LAS

One delay in a 2 layover flight=a good trip. The crew was great.

Related info for your journey

Find useful and relevant information for your journey from Knoxville to Pennsylvania. 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 from for flights from Knoxville to Pennsylvania?

    Located just 11.3 mi from the city center, Knoxville McGhee Tyson (TYS) is the airport most travelers will use when flying to Pennsylvania from Knoxville.

  • How popular is this Knoxville to Pennsylvania flight route?

    This flight path from Knoxville McGhee Tyson to Pennsylvania was viewed by 17 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 Knoxville to Pennsylvania?

    Airlines like United Airlines, Delta, and Allegiant Air fly from Knoxville to Pennsylvania in about 1h 45m. The time it takes to get you to your destination can typically vary by up to 12h 01m. The distance between Knoxville and Pennsylvania is about 419 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    One-way options have recently been found by users for as low as $39 on Allegiant Air. Other airlines that offer cheap prices include Delta from $125 and Southwest from $135 one-way.

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

    The most popular flight routes from Knoxville to Pennsylvania are Knoxville McGhee Tyson - New York LaGuardia, Knoxville McGhee Tyson - New York John F Kennedy Intl and Knoxville McGhee Tyson - Washington, D.C. Dulles Intl.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Knoxville to Pennsylvania on time: PSA Airlines (85%), American Airlines (81%), Alaska Airlines (81%).

  • What are the cheapest flights from Knoxville to Pennsylvania?

    On average you can expect to pay $1,210 for a flight from Knoxville to Pennsylvania. The cheapest flight overall is $49 while the most popular route, (Knoxville McGhee Tyson - New York LaGuardia) is currently priced at $321.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Knoxville to Pennsylvania (average of $68). Flying from Knoxville to Pennsylvania in March is currently the most expensive (average of $317). 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

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Alternative routes for Knoxville to Pennsylvania

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Knoxville to Pennsylvania

Discover the top 5 airlines that operate flights from Knoxville to Pennsylvania. 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 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$78Average$112FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$228Average$451FlexibilityNo cancel feeOn-time71%
DeltaCheapest$233Average$317FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$288Average$446FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$295Average$391FlexibilityNo cancel feeOn-time63%

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