How long is the flight from Knoxville to Pittsburgh?

For as low as $242, United Airlines can have you in Pittsburgh from Knoxville in 7h 19m. Knoxville and Pittsburgh are separated by a distance of 382 mi.

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

Currently priced at $218, American Airlines will fly you from Knoxville to Pittsburgh and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $222 and $232, respectively. American Airlines is currently priced 25% below the average price you’ll pay for this route.

In terms of precipitation, rainfall in Pittsburgh ranges from 2.3 - 4.3 inches per month. June is typically the wettest month, when rainfall can reach 4.3 in. October is typically the driest time to visit Pittsburgh when rainfall is around 2.3 in.

If weather is an important factor for your trip to Pittsburgh, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

What are the most popular airlines that fly from Knoxville to Pittsburgh?

Consider American Airlines, Delta or United Airlines when booking your flight. These represent the most popular airlines when flying from Knoxville to Pittsburgh.

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.

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.

$174+ Flights from Knoxville to Pittsburgh

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Cheap 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 December 23, 2025.

Tue 12/236:59 pmTYS - PIT

1 stop5h 20mDelta

Sat 12/277:30 amPIT - TYS

1 stop6h 12mDelta

Deal found 12/21

$693

Tue 12/234:15 pmTYS - PIT

2 stops6h 53mAmerican Airlines

Sat 12/278:09 amPIT - TYS

1 stop7h 38mAmerican Airlines

Deal found 12/21

$953

Best flights from Knoxville to Pittsburgh
Discover carefully curated flight deals from Knoxville to Pittsburgh that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 23, 2025.

Sat 1/1711:59 amTYS - PIT

1 stop11h 45mMultiple Airlines

Tue 1/205:50 pmPIT - TYS

1 stop22h 07mMultiple Airlines

Deal found 12/22

$198

Sun 1/186:45 amTYS - PIT

2 stops7h 19mUnited Airlines

Wed 1/2110:49 amPIT - TYS

1 stop6h 04mUnited Airlines

Deal found 12/22

$242

Sat 2/217:38 amTYS - PIT

1 stop6h 40mDelta

Mon 2/232:35 pmPIT - TYS

1 stop6h 20mDelta

Deal found 12/22

$262

Wed 1/214:47 pmTYS - PIT

1 stop6h 57mMultiple Airlines

Fri 1/235:50 pmPIT - TYS

1 stop17h 19mMultiple Airlines

Deal found 12/22

$227

Thu 1/299:29 amTYS - PIT

1 stop14h 15mMultiple Airlines

Fri 1/308:00 amPIT - TYS

1 stop11h 56mMultiple Airlines

Deal found 12/22

$231

Wed 1/214:47 pmTYS - PIT

1 stop6h 57mMultiple Airlines

Wed 1/2811:55 amPIT - TYS

2 stops29h 58mMultiple Airlines

Deal found 12/22

$246

Sun 1/181:39 pmTYS - PIT

2 stops7h 49mMultiple Airlines

Wed 1/215:50 pmPIT - TYS

1 stop14h 49mMultiple Airlines

Deal found 12/22

$246

Fri 1/307:15 amTYS - PIT

2 stops15h 52mMultiple Airlines

Sun 2/111:00 amPIT - TYS

1 stop12h 05mMultiple Airlines

Deal found 12/21

$247

Sun 1/181:39 pmTYS - PIT

2 stops7h 49mMultiple Airlines

Sat 1/245:50 pmPIT - TYS

1 stop14h 49mMultiple Airlines

Deal found 12/22

$251

Mon 1/1212:55 pmTYS - PIT

2 stops20h 45mMultiple Airlines

Fri 1/165:50 pmPIT - TYS

1 stop17h 19mMultiple Airlines

Deal found 12/20

$255

Mon 1/268:30 amTYS - PIT

1 stop15h 14mMultiple Airlines

Sun 2/111:00 amPIT - TYS

1 stop12h 05mMultiple Airlines

Deal found 12/22

$261

Last-minute flights from Knoxville to Pittsburgh
Discover last-minute flight deals from Knoxville to Pittsburgh. Data last updated December 23, 2025 and is based on user searches.

Wed 1/144:47 pmTYS - PIT

1 stop16h 53mMultiple Airlines

Wed 1/215:50 pmPIT - TYS

1 stop14h 49mMultiple Airlines

Deal found 12/22

$174

Wed 1/144:47 pmTYS - PIT

1 stop6h 57mMultiple Airlines

Tue 1/205:50 pmPIT - TYS

1 stop22h 07mMultiple Airlines

Deal found 12/22

$185

Thu 1/159:29 amTYS - PIT

1 stop14h 15mMultiple Airlines

Wed 1/215:50 pmPIT - TYS

1 stop14h 49mMultiple Airlines

Deal found 12/22

$179

Thu 1/159:29 amTYS - PIT

1 stop14h 15mMultiple Airlines

Tue 1/205:50 pmPIT - TYS

1 stop22h 07mMultiple Airlines

Deal found 12/22

$190

Sat 1/1711:59 amTYS - PIT

1 stop11h 45mMultiple Airlines

Wed 1/215:50 pmPIT - TYS

1 stop14h 49mMultiple Airlines

Deal found 12/22

$186

Sat 1/1711:59 amTYS - PIT

1 stop11h 45mMultiple Airlines

Tue 1/205:50 pmPIT - TYS

1 stop22h 07mMultiple Airlines

Deal found 12/22

$198

Wed 1/214:47 pmTYS - PIT

1 stop16h 53mMultiple Airlines

Sat 1/245:50 pmPIT - TYS

1 stop14h 49mMultiple Airlines

Deal found 12/22

$194

Mon 1/2612:55 pmTYS - PIT

2 stops20h 45mMultiple Airlines

Sun 2/111:00 amPIT - TYS

1 stop12h 05mMultiple Airlines

Deal found 12/22

$193

Mon 1/2612:55 pmTYS - PIT

2 stops20h 45mMultiple Airlines

Thu 1/2911:00 amPIT - TYS

1 stop12h 05mMultiple Airlines

Deal found 12/22

$195

Wed 1/284:47 pmTYS - PIT

1 stop6h 57mMultiple Airlines

Thu 1/2911:00 amPIT - TYS

1 stop12h 05mMultiple Airlines

Deal found 12/22

$176

Wed 1/284:47 pmTYS - PIT

1 stop6h 57mMultiple Airlines

Sat 1/315:50 pmPIT - TYS

1 stop14h 49mMultiple Airlines

Deal found 12/22

$183

Thu 1/299:29 amTYS - PIT

1 stop14h 15mMultiple Airlines

Sun 2/111:00 amPIT - TYS

1 stop12h 05mMultiple Airlines

Deal found 12/22

$181

One-way flights from Knoxville to Pittsburgh
Search for one-way flight options from Knoxville to Pittsburgh. Find affordable one-way fares based on user searches. Data last updated December 23, 2025.

Sat 12/276:59 pmTYS - PIT

1 stop5h 20mDelta

Deal found 12/22

$304

Sat 12/277:27 pmTYS - PIT

2 stops41h 37mAllegiant Air

Deal found 12/22

$383

Find flight deals from Knoxville to Pittsburgh

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$174 (Kiwi.com)
Popular in	January
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

Highest demand for flights based on searches. 6% potential increase in price ($20 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Knoxville to Pittsburgh that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Sat 1/17

11:59 am-11:44 pm

1 stop11h 45m

Pittsburgh

Tue 1/20

5:50 pm-3:57 pm

1 stop22h 07m

$198

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Wed 1/21

4:47 pm-11:44 pm

1 stop6h 57m

Pittsburgh

Fri 1/23

5:50 pm-11:09 am

1 stop17h 19m

$227

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Thu 1/29

9:29 am-11:44 pm

1 stop14h 15m

Pittsburgh

Fri 1/30

8:00 am-7:56 pm

1 stop11h 56m

$231

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Sun 1/18

6:45 am-2:04 pm

2 stops7h 19m

Pittsburgh

Wed 1/21

10:49 am-4:53 pm

1 stop6h 04m

$242

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Wed 1/21

4:47 pm-11:44 pm

1 stop6h 57m

Pittsburgh

Wed 1/28

11:55 am-5:53 pm

2 stops29h 58m

$246

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Sun 1/18

1:39 pm-9:28 pm

2 stops7h 49m

Pittsburgh

Wed 1/21

5:50 pm-8:39 am

1 stop14h 49m

$246

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Fri 1/30

7:15 am-11:07 pm

2 stops15h 52m

Pittsburgh

Sun 2/1

11:00 am-11:05 pm

1 stop12h 05m

$247

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Sun 1/18

1:39 pm-9:28 pm

2 stops7h 49m

Pittsburgh

Sat 1/24

5:50 pm-8:39 am

1 stop14h 49m

$251

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Mon 1/12

12:55 pm-9:40 am

2 stops20h 45m

Pittsburgh

Fri 1/16

5:50 pm-11:09 am

1 stop17h 19m

$255

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Mon 1/26

8:30 am-11:44 pm

1 stop15h 14m

Pittsburgh

Sun 2/1

11:00 am-11:05 pm

1 stop12h 05m

$261

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 13 results

Compare providers for flights from Knoxville to Pittsburgh

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Knoxville to Pittsburgh in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust 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 $240). 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?

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

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

8,014 reviews

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

8,014 reviews

Delta

7.9

Good

8,014 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

United Airlines

7.4

Good

9,105 reviews

Delta

7.9

Good

8,014 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

American Airlines

7.2

Good

11,054 reviews

Delta

7.9

Good

8,014 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

How long is the flight from Knoxville to Pittsburgh?
For as low as $242, United Airlines can have you in Pittsburgh from Knoxville in 7h 19m. Knoxville and Pittsburgh are separated by a distance of 382 mi.
What are the cheapest airlines flying from Knoxville to Pittsburgh round-trip?
Currently priced at $218, American Airlines will fly you from Knoxville to Pittsburgh and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $222 and $232, respectively. American Airlines is currently priced 25% below the average price you’ll pay for this route.
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 $240). 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

Mars

Steubenville

Washington

Monroeville

Wexford

Belle Vernon

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Top 3 airlines flying from Knoxville to Pittsburgh

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$218	Average$291	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$222	Average$288	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$232	Average$288	FlexibilityNo cancel fee	On-time69%

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$174+ Cheap flights from Knoxville to Pittsburgh (TYS - PIT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Knoxville to Pittsburgh with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Knoxville to Pittsburgh

Cheapest flights from Knoxville to PittsburghExplore 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 December 23, 2025.

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 December 23, 2025.

Find flight deals from Knoxville to Pittsburgh

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Knoxville to Pittsburgh that are best for you.

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 December.

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.

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?

What is the cheapest time of day to fly from TYS to PIT?

Reviews of airlines servicing Pittsburgh

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.

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?

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

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

How can I find direct flights from Knoxville to Pittsburgh?

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

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

Traveling to a place near Pittsburgh?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Knoxville to Pittsburgh

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Top 3 airlines flying from Knoxville to Pittsburgh

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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 December 23, 2025.