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$100+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — PIT
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
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 July 30, 2025.

Round-trip from

$182
(Mytrip)

One-way from

$100
(American Airlines)

Popular in

November

Cheapest in

October

Average price

$288
From Knoxville McGhee Tyson to Pittsburgh
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One-way flight from Knoxville McGhee Tyson to Pittsburgh
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Highest demand for flights based on searches. 7% potential increase in price ($23 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 30, 2025.

This Mytrip deal was found by Cheapflights users on 7/27. 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.
Mon 8/2512:45 pmTYS - PIT
2 stops8h 44mMultiple Airlines
Sun 9/286:30 amPIT - TYS
1 stop12h 15mMultiple Airlines
Deal found 7/27$188
This Mytrip deal was found by Cheapflights users on 7/29. 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 9/53:25 pmTYS - PIT
1 stop5h 46mAllegiant Air
Sun 9/77:00 amPIT - TYS
1 stop11h 45mAllegiant Air
Deal found 7/29$218
This Delta deal was found by Cheapflights users on 7/28. 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 9/125:10 pmTYS - PIT
1 stop5h 50mDelta
Sun 9/146:07 amPIT - TYS
1 stop5h 04mDelta
Deal found 7/28$229
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/239:35 amTYS - PIT
1 stop6h 29mAmerican Airlines
Sat 9/2712:46 pmPIT - TYS
2 stops6h 19mAmerican Airlines
Deal found 7/27$234
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Wed 8/135:45 amTYS - PIT
2 stops9h 15mUnited Airlines
Sun 8/176:15 amPIT - TYS
1 stop4h 12mUnited Airlines
Deal found 7/29$244

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 July 30, 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

Mon 8/25

12:45 pm-9:29 pm

2 stops8h 44m

Pittsburgh

Sun 9/28

6:30 am-6:45 pm

1 stop12h 15m

$188

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Fri 9/5

3:25 pm-9:11 pm

1 stop5h 46m

Pittsburgh

Sun 9/7

7:00 am-6:45 pm

1 stop11h 45m

$218

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Fri 9/12

5:10 pm-11:00 pm

1 stop5h 50m

Pittsburgh

Sun 9/14

6:07 am-11:11 am

1 stop5h 04m

$229

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Sat 8/23

9:35 am-4:04 pm

1 stop6h 29m

Pittsburgh

Sat 9/27

12:46 pm-7:05 pm

2 stops6h 19m

$234

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Wed 8/13

5:45 am-3:00 pm

2 stops9h 15m

Pittsburgh

Sun 8/17

6:15 am-10:27 am

1 stop4h 12m

$244

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Sun 8/31

3:04 pm-7:48 pm

1 stop4h 44m

$100

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Mon 8/4

12:45 pm-9:29 pm

2 stops8h 44m

$129

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Sun 8/31

7:00 am-2:00 pm

2 stops7h 00m

$135

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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 $332). 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 July 30, 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 July 30, 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
7,980 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

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
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

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
8,896 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

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
7,980 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

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
703 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Food

7.3

Boarding

8.2

Entertainment

7.9

Overall

8.0

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 $194, 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. Search Cheapflights for deals from Delta and American Airlines - these airlines can fly you to your destination from $229 and $234, respectively. Allegiant Air is currently priced 36% 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 $332). 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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Alternative routes for Knoxville to Pittsburgh

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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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$213Average$286FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$218Average$296FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$228Average$288FlexibilityNo cancel feeOn-time69%

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