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$199+ 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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — PIT
Aug 12 — Aug 191
Tue 8/12
Tue 8/19
1 adult, Economy
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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 August 7, 2025.

Round-trip from

$199
(Mytrip)

Popular in

November

Cheapest in

October

Average price

$288
From Knoxville McGhee Tyson to Pittsburgh
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($21 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
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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 August 7, 2025.

This Mytrip deal was found by Cheapflights users on 8/5. 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.
Fri 9/193:25 pmTYS - PIT
1 stop5h 46mAllegiant Air
Sun 9/217:00 amPIT - TYS
1 stop11h 45mAllegiant Air
Deal found 8/5$199
This Delta deal was found by Cheapflights users on 8/4. 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.
Fri 10/312:10 pmTYS - PIT
1 stop4h 53mDelta
Mon 11/33:40 pmPIT - TYS
1 stop5h 08mDelta
Deal found 8/4$214
This Mytrip deal was found by Cheapflights users on 8/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/319:00 amTYS - PIT
1 stop11h 02mAllegiant Air
Thu 9/47:00 amPIT - TYS
1 stop11h 45mAllegiant Air
Deal found 8/6$218
This Delta deal was found by Cheapflights users on 8/5. 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 9/411:26 amTYS - PIT
1 stop6h 51mDelta
Sat 9/66:00 amPIT - TYS
1 stop4h 27mDelta
Deal found 8/5$229
This Delta deal was found by Cheapflights users on 8/6. 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 8/206:10 amTYS - PIT
1 stop5h 49mDelta
Wed 9/105:57 pmPIT - TYS
1 stop5h 56mDelta
Deal found 8/6$234
This Mytrip deal was found by Cheapflights users on 8/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/17:30 amTYS - PIT
2 stops15h 52mMultiple Airlines
Mon 11/38:32 pmPIT - TYS
1 stop14h 01mMultiple Airlines
Deal found 8/6$237
This Delta deal was found by Cheapflights users on 8/6. 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.
Thu 8/216:14 pmTYS - PIT
1 stop3h 48mDelta
Mon 8/256:00 amPIT - TYS
1 stop4h 42mDelta
Deal found 8/6$239
This United Airlines deal was found by Cheapflights users on 8/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/217:00 amTYS - PIT
1 stop6h 05mUnited Airlines
Mon 8/258:00 amPIT - TYS
2 stops6h 40mUnited Airlines
Deal found 8/6$244
This Mytrip deal was found by Cheapflights users on 8/5. 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.
Fri 9/197:15 amTYS - PIT
2 stops16h 08mMultiple Airlines
Sun 9/217:00 amPIT - TYS
1 stop11h 45mMultiple Airlines
Deal found 8/5$247
This Mytrip deal was found by Cheapflights users on 8/7. 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.
Thu 9/47:35 pmTYS - PIT
2 stops21h 34mMultiple Airlines
Thu 9/117:00 amPIT - TYS
1 stop11h 45mMultiple Airlines
Deal found 8/7$248

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 August 7, 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 9/19

3:25 pm-9:11 pm

1 stop5h 46m

Pittsburgh

Sun 9/21

7:00 am-6:45 pm

1 stop11h 45m

$199

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Fri 10/31

2:10 pm-7:03 pm

1 stop4h 53m

Pittsburgh

Mon 11/3

3:40 pm-8:48 pm

1 stop5h 08m

$214

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Sun 8/31

9:00 am-8:02 pm

1 stop11h 02m

Pittsburgh

Thu 9/4

7:00 am-6:45 pm

1 stop11h 45m

$218

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Thu 9/4

11:26 am-6:17 pm

1 stop6h 51m

Pittsburgh

Sat 9/6

6:00 am-10:27 am

1 stop4h 27m

$229

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Wed 8/20

6:10 am-11:59 am

1 stop5h 49m

Pittsburgh

Wed 9/10

5:57 pm-11:53 pm

1 stop5h 56m

$234

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Sat 11/1

7:30 am-11:22 pm

2 stops15h 52m

Pittsburgh

Mon 11/3

8:32 pm-10:33 am

1 stop14h 01m

$237

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Thu 8/21

6:14 pm-10:02 pm

1 stop3h 48m

Pittsburgh

Mon 8/25

6:00 am-10:42 am

1 stop4h 42m

$239

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Thu 8/21

7:00 am-1:05 pm

1 stop6h 05m

Pittsburgh

Mon 8/25

8:00 am-2:40 pm

2 stops6h 40m

$244

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Fri 9/19

7:15 am-11:23 pm

2 stops16h 08m

Pittsburgh

Sun 9/21

7:00 am-6:45 pm

1 stop11h 45m

$247

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Thu 9/4

7:35 pm-5:09 pm

2 stops21h 34m

Pittsburgh

Thu 9/11

7:00 am-6:45 pm

1 stop11h 45m

$248

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/5

Showing 1-10 of 12 results
1
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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, August is the cheapest month in which you can book a flight from Knoxville to Pittsburgh (average of $262). Flying from Knoxville to Pittsburgh in November is currently the most expensive (average of $333). 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 August 7, 2025.

It’s typically best to fly out from Knoxville to Pittsburgh at noon. Doing so could potentially save you 13% 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 August 7, 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
8.0
Very good
7,987 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,987 reviews
Delta
8.0
Very good
7,987 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,916 reviews
Delta
8.0
Very good
7,987 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,987 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Allegiant Air
7.2
Good
701 reviews
Delta
8.0
Very good
7,987 reviews

Boarding

8.2

Overall

8.0

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    Currently priced at $199, Allegiant Air will fly you from Knoxville to Pittsburgh and back. In addition to Allegiant Air, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Delta for as low as $214. Allegiant Air is currently priced 34% 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, August is the cheapest month in which you can book a flight from Knoxville to Pittsburgh (average of $262). Flying from Knoxville to Pittsburgh in November is currently the most expensive (average of $333). 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
Belle Vernon

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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 August 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$213Average$287FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$218Average$295FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$228Average$288FlexibilityNo cancel feeOn-time69%

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