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$92+ Cheap flights from Pittsburgh to Knoxville (PIT - 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — TYS
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheapflights Tip: The best prices from Pittsburgh to Knoxville McGhee Tyson are usually found in August or September, booked 56 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Pittsburgh to Knoxville

Cheapest flights from Pittsburgh to Knoxville
Explore the most affordable flight options available from Pittsburgh to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2312:29 pmPIT - TYS
1 stop8h 42mMultiple Airlines
Sun 1/251:39 pmTYS - PIT
2 stops44h 01mMultiple Airlines
Deal found 12/11$284
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 12/185:02 pmPIT - TYS
1 stop5h 40mMultiple Airlines
Sun 12/215:42 pmTYS - PIT
2 stops20h 40mMultiple Airlines
Deal found 12/10$289
This Mytrip deal was found by Cheapflights users on 12/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2312:29 pmPIT - TYS
1 stop8h 42mAllegiant Air
Sun 1/259:00 amTYS - PIT
1 stop12h 58mAllegiant Air
Deal found 12/11$300
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 12/185:02 pmPIT - TYS
1 stop5h 40mAllegiant Air
Sun 12/2112:21 pmTYS - PIT
1 stop9h 10mAllegiant Air
Deal found 12/10$307
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/153:53 pmPIT - TYS
2 stops24h 09mMultiple Airlines
Tue 12/3012:02 pmTYS - PIT
1 stop5h 17mMultiple Airlines
Deal found 12/11$321
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/178:01 pmPIT - TYS
1 stop19h 29mAllegiant Air
Tue 12/3012:02 pmTYS - PIT
1 stop5h 17mAllegiant Air
Deal found 12/11$332
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/178:01 pmPIT - TYS
1 stop19h 29mMultiple Airlines
Sat 1/32:23 pmTYS - PIT
2 stops26h 44mMultiple Airlines
Deal found 12/11$335
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/178:01 pmPIT - TYS
1 stop19h 29mMultiple Airlines
Wed 12/3112:01 pmTYS - PIT
2 stops9h 27mMultiple Airlines
Deal found 12/11$340
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/153:53 pmPIT - TYS
2 stops24h 09mMultiple Airlines
Wed 12/318:35 amTYS - PIT
1 stop10h 10mMultiple Airlines
Deal found 12/11$341
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2311:55 amPIT - TYS
2 stops28h 20mMultiple Airlines
Sun 12/2812:31 pmTYS - PIT
1 stop24h 33mMultiple Airlines
Deal found 12/11$342
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/153:53 pmPIT - TYS
2 stops24h 09mMultiple Airlines
Mon 12/299:20 pmTYS - PIT
1 stop12h 38mMultiple Airlines
Deal found 12/11$345
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2312:29 pmPIT - TYS
1 stop8h 42mAllegiant Air
Sun 12/2812:31 pmTYS - PIT
1 stop24h 33mAllegiant Air
Deal found 12/11$346

Find flight deals from Pittsburgh to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from Pittsburgh (PIT) 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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$223
(United Airlines)

One-way from

$92
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$446
Provider with most accurate pricing for Pittsburgh-Knoxville McGhee Tyson flight deals.
Search Deals
Provider most trusted by Cheapflights users for Pittsburgh-Knoxville McGhee Tyson flights.
Search Deals
From Pittsburgh to Knoxville McGhee Tyson
Search Deals
One-way flight from Pittsburgh to Knoxville McGhee Tyson
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($60 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pittsburgh 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 December 12, 2025.
Use the filters below to find and compare flights from Pittsburgh to Knoxville that are best for you.

Fly from

Pittsburgh

Fly to

Knoxville

Route

Depart

Return

Price

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Sat 1/17

10:27 am-3:56 pm

1 stop5h 29m

Knoxville McGhee Tyson

Tue 1/20

2:19 pm-8:20 pm

1 stop6h 01m

$223

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Sat 1/17

8:56 am-1:24 pm

1 stop4h 28m

Knoxville McGhee Tyson

Tue 1/20

9:30 am-7:09 pm

2 stops9h 39m

$228

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Fri 1/23

5:50 pm-11:09 am

1 stop17h 19m

Knoxville McGhee Tyson

Sun 1/25

1:39 pm-9:28 pm

2 stops7h 49m

$238

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Fri 1/9

10:45 am-5:28 pm

1 stop6h 43m

Knoxville McGhee Tyson

Sun 1/11

9:29 am-9:40 am

1 stop24h 11m

$277

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Thu 12/18

5:02 pm-10:42 pm

1 stop5h 40m

Knoxville McGhee Tyson

Sun 12/21

5:42 pm-2:22 pm

2 stops20h 40m

$289

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Wed 2/18

6:10 am-10:49 am

1 stop4h 39m

Knoxville McGhee Tyson

Sat 2/21

9:10 am-3:45 pm

1 stop6h 35m

$297

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Fri 1/23

10:35 am-8:52 pm

2 stops10h 17m

Knoxville McGhee Tyson

Sun 1/25

6:45 am-2:04 pm

2 stops7h 19m

$327

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Mon 12/15

3:53 pm-4:02 pm

2 stops24h 09m

Knoxville McGhee Tyson

Wed 12/31

8:35 am-6:45 pm

1 stop10h 10m

$341

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Mon 12/15

3:53 pm-4:02 pm

2 stops24h 09m

Knoxville McGhee Tyson

Mon 12/29

9:20 pm-9:58 am

1 stop12h 38m

$345

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Thu 1/29

11:00 am-11:05 pm

1 stop12h 05m

$92

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 18 results
1
2

Compare providers for flights from Pittsburgh 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 Pittsburgh to Knoxville in December.
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 Pittsburgh-Knoxville flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Pittsburgh-Knoxville flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Pittsburgh-Knoxville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Pittsburgh-Knoxville 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 Pittsburgh-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 Pittsburgh to Knoxville

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

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

Use this chart to determine the optimal time to book a round-trip flight from Pittsburgh to Knoxville. Price data was last updated on December 5, 2025.

Booking 46 days in advance of your planned departure date is, on average, the best time to get cheap flights from Pittsburgh to Knoxville. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, June is the cheapest month in which you can book a flight from Pittsburgh to Knoxville (average of $144). Flying from Pittsburgh to Knoxville in January is currently the most expensive (average of $231). 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 PIT to TYS?

Find hourly flight availability from Pittsburgh 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 December 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Pittsburgh to Knoxville at noon. If you’re flexible enough to do this you can expect to save up to 31% on your trip compared to booking a flight in the evening.

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 December 12, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Pittsburgh to Knoxville 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
8,007 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

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
8,007 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

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
9,095 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

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
11,050 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

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 Pittsburgh to Knoxville. 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 Pittsburgh to Knoxville?

    American Airlines and United Airlines can get you from Pittsburgh to Knoxville in just under 4h 28m. Your travel time can differ by up to 1h 01m. The distance from Pittsburgh to Knoxville is about 382 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Our cheapest airline available from Pittsburgh to Knoxville is American Airlines. Our recent data shows that you can find tickets from as low as $228 on this airline. Additional options worth looking into are United Airlines and Delta, starting at $228 and $228 round-trip. These flights start at 22% lower than the current average price 3 months from now.

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

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $99. United Airlines flights start at $99 while deals on Delta start at $125 one-way.

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

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

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

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

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

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

    Currently, June is the cheapest month in which you can book a flight from Pittsburgh to Knoxville (average of $144). Flying from Pittsburgh to Knoxville in January is currently the most expensive (average of $231). 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
Corbin
Morristown
Bryson City
Alcoa
Oak Ridge
Murphy

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Alternative routes for Pittsburgh to Knoxville

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Pittsburgh to Knoxville

Discover the top 3 airlines that operate flights from Pittsburgh 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$228Average$286FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$228Average$293FlexibilityNo cancel feeOn-time69%
DeltaCheapest$228Average$283FlexibilityNo cancel feeOn-timeN/A

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