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$102+ Cheap flights from Knoxville to Pittsburgh (TYS - PIT)

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 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — PIT
Dec 9 — Dec 161
Tue 12/9
Tue 12/16
1 adult, Economy
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Find flight deals from Knoxville to Pittsburgh

Cheapest flights from Knoxville to Pittsburgh
Explore the most affordable flight options available from Knoxville to Pittsburgh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 9, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/8. 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 12/193:45 pmTYS - PIT
1 stop7h 54mAllegiant Air
Sat 12/203:15 pmPIT - TYS
1 stop6h 19mAllegiant Air
Deal found 11/8$216
This Kiwi.com deal was found by Cheapflights users on 11/7. 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 12/211:22 pmTYS - PIT
1 stop8h 30mMultiple Airlines
Sun 1/46:10 amPIT - TYS
1 stop28h 22mMultiple Airlines
Deal found 11/7$234
This Mytrip deal was found by Cheapflights users on 11/7. 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.
Sun 12/211:22 pmTYS - PIT
1 stop8h 30mAllegiant Air
Tue 12/2312:29 pmPIT - TYS
1 stop8h 42mAllegiant Air
Deal found 11/7$237
This United Airlines deal was found by Cheapflights users on 11/7. 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.
Tue 12/97:25 pmTYS - PIT
1 stop4h 04mUnited Airlines
Wed 12/109:00 amPIT - TYS
1 stop4h 17mUnited Airlines
Deal found 11/7$246
This Delta deal was found by Cheapflights users on 11/6. 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 12/36:00 pmTYS - PIT
1 stop6h 12mDelta
Wed 12/1010:17 amPIT - TYS
1 stop4h 35mDelta
Deal found 11/6$251
This Kiwi.com deal was found by Cheapflights users on 11/7. 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 12/211:22 pmTYS - PIT
1 stop8h 30mMultiple Airlines
Tue 12/235:20 pmPIT - TYS
2 stops22h 55mMultiple Airlines
Deal found 11/7$257
This Kiwi.com deal was found by Cheapflights users on 11/8. 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 11/142:02 pmTYS - PIT
2 stops16h 19mMultiple Airlines
Sun 11/167:00 amPIT - TYS
1 stop5h 26mMultiple Airlines
Deal found 11/8$264
This Kiwi.com deal was found by Cheapflights users on 11/8. 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 11/239:26 pmTYS - PIT
2 stops33h 55mMultiple Airlines
Thu 11/278:30 amPIT - TYS
1 stop8h 59mMultiple Airlines
Deal found 11/8$272
This Delta deal was found by Cheapflights users on 11/7. 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.
Thu 12/42:37 pmTYS - PIT
1 stop4h 12mDelta
Sun 12/710:17 amPIT - TYS
1 stop4h 35mDelta
Deal found 11/7$295
This Kiwi.com deal was found by Cheapflights users on 11/7. 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 11/239:26 pmTYS - PIT
2 stops17h 16mMultiple Airlines
Tue 11/257:00 amPIT - TYS
1 stop14h 28mMultiple Airlines
Deal found 11/7$302

Cheap flight deals from Knoxville to Pittsburgh

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Pittsburgh (PIT). 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 November 9, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$216
(Kiwi.com)

One-way from

$102
(Kiwi.com)

Popular in

May

Cheapest in

September

Average price

$316
Provider with most accurate pricing for Knoxville McGhee Tyson-Pittsburgh flight deals.
Search Deals
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Pittsburgh flights.
Search Deals
From Knoxville McGhee Tyson to Pittsburgh
Search Deals
One-way flight from Knoxville McGhee Tyson to Pittsburgh
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Knoxville to Pittsburgh 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 November 9, 2025.
Use the filters below to find and compare flights from Knoxville to Pittsburgh that are best for you.

Fly from

Knoxville

Fly to

Pittsburgh

Route

Depart

Return

Price

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Fri 12/19

3:45 pm-11:39 pm

1 stop7h 54m

Pittsburgh

Sat 12/20

3:15 pm-9:34 pm

1 stop6h 19m

$216

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Tue 12/9

7:25 pm-11:29 pm

1 stop4h 04m

Pittsburgh

Wed 12/10

9:00 am-1:17 pm

1 stop4h 17m

$246

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Tue 12/9

6:00 pm-12:12 am

1 stop6h 12m

Pittsburgh

Wed 12/10

10:17 am-2:52 pm

1 stop4h 35m

$251

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Wed 12/3

6:00 pm-12:12 am

1 stop6h 12m

Pittsburgh

Wed 12/10

10:17 am-2:52 pm

1 stop4h 35m

$251

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Sun 12/21

1:22 pm-9:52 pm

1 stop8h 30m

Pittsburgh

Tue 12/23

5:20 pm-4:15 pm

2 stops22h 55m

$257

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Sun 12/21

5:42 pm-2:22 pm

2 stops20h 40m

Pittsburgh

Sun 1/4

6:10 am-10:32 am

1 stop28h 22m

$271

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Sun 11/23

9:26 pm-7:21 am

2 stops33h 55m

Pittsburgh

Thu 11/27

8:30 am-5:29 pm

1 stop8h 59m

$272

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Thu 12/4

2:37 pm-6:49 pm

1 stop4h 12m

Pittsburgh

Sun 12/7

10:17 am-2:52 pm

1 stop4h 35m

$295

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Wed 11/26

7:00 am-2:27 pm

1 stop7h 27m

Pittsburgh

Fri 11/28

5:20 pm-4:44 pm

2 stops23h 24m

$316

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Wed 12/3

7:00 am-2:02 pm

2 stops7h 02m

Pittsburgh

Wed 12/10

6:15 am-1:17 pm

2 stops7h 02m

$321

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 16 results
1
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Compare providers for flights from Knoxville to Pittsburgh

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 Knoxville to Pittsburgh in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 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 Knoxville-Pittsburgh flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Knoxville-Pittsburgh flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Knoxville-Pittsburgh flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Knoxville-Pittsburgh flights, Cheapflights users trust eDreams the most. eDreams 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 Knoxville-Pittsburgh 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 Knoxville to Pittsburgh

Have a flexible travel schedule? Discover the best time to fly to Pittsburgh 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 Pittsburgh

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

Currently, October is the cheapest month in which you can book a flight from Knoxville to Pittsburgh (average of $184). Flying from Knoxville to Pittsburgh in November is currently the most expensive (average of $242). 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 PIT?

Find hourly flight availability from Knoxville to Pittsburgh. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 9, 2025.

It’s typically best to fly out from Knoxville to Pittsburgh at noon. Doing so could potentially save you 12% on the flight price compared to flying in the morning, which is usually more expensive.

Reviews of airlines servicing Pittsburgh

Get insights into the airlines that provide service to Pittsburgh. 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 Pittsburgh. Reviews last updated November 9, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Knoxville to Pittsburgh to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,004 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Food

7.3

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,004 reviews
Delta
7.9
Good
8,004 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Food

7.3

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,012 reviews
Delta
7.9
Good
8,004 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Food

7.3

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,047 reviews
Delta
7.9
Good
8,004 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Food

7.3

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

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

  • How long is the flight from Knoxville to Pittsburgh?

    For as low as $246, Allegiant Air can have you in Pittsburgh from Knoxville in 4h 04m. Knoxville and Pittsburgh are separated by a distance of 382 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Currently priced at $218, Delta will fly you from Knoxville to Pittsburgh and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $218 and $228, respectively. Delta is currently priced 25% below the average price you’ll pay for this route.

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

    $102 is the cheapest one-way deal found within the past few days, from Allegiant Air. You may also be able to find cheap deals on American Airlines and Southwest, with prices starting from $159 and $229, respectively.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Knoxville to Pittsburgh (average of $184). Flying from Knoxville to Pittsburgh in November is currently the most expensive (average of $242). 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 Pittsburgh?

Book flights to Pittsburgh if you plan to visit one of these locations
Mars
Steubenville
Monroeville
Washington
Wexford
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Top 3 airlines flying from Knoxville to Pittsburgh

Discover the top 3 airlines that operate flights from Knoxville to Pittsburgh. 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 November 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$288FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$218Average$288FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$228Average$288FlexibilityNo cancel feeOn-time69%

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