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$92+ 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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — PIT
Oct 24 — Oct 311
Fri 10/24
Fri 10/31
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 September 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$232
(Kiwi.com)

One-way from

$92
(Kiwi.com)

Popular in

November

Cheapest in

October

Average price

$288
Provider with most accurate pricing for Knoxville McGhee Tyson-Pittsburgh flight deals.
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Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Pittsburgh flights.
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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. 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 ($9 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 24, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/24. 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 10/243:26 pmTYS - PIT
1 stop7h 50mMultiple Airlines
Fri 10/316:51 pmPIT - TYS
1 stop15h 12mMultiple Airlines
Deal found 9/24$232
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 10/309:58 amTYS - PIT
1 stop13h 18mMultiple Airlines
Mon 11/36:51 pmPIT - TYS
1 stop15h 42mMultiple Airlines
Deal found 9/22$236
This Delta deal was found by Cheapflights users on 9/22. 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 10/178:10 pmTYS - PIT
1 stop4h 22mDelta
Mon 10/201:48 pmPIT - TYS
1 stop5h 17mDelta
Deal found 9/22$249
This Kiwi.com deal was found by Cheapflights users on 9/22. 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.
Sat 11/14:12 pmTYS - PIT
1 stop7h 04mMultiple Airlines
Sun 11/29:46 pmPIT - TYS
1 stop22h 14mMultiple Airlines
Deal found 9/22$254
This Kiwi.com deal was found by Cheapflights users on 9/23. 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 10/2711:00 amTYS - PIT
2 stops10h 28mMultiple Airlines
Fri 10/316:51 pmPIT - TYS
1 stop15h 12mMultiple Airlines
Deal found 9/23$260
This Kiwi.com deal was found by Cheapflights users on 9/24. 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 10/103:52 pmTYS - PIT
1 stop22h 51mMultiple Airlines
Mon 10/1311:55 amPIT - TYS
2 stops11h 21mMultiple Airlines
Deal found 9/24$261
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 10/173:40 pmTYS - PIT
1 stop23h 03mMultiple Airlines
Mon 10/2011:55 amPIT - TYS
2 stops11h 21mMultiple Airlines
Deal found 9/22$264
This American Airlines deal was found by Cheapflights users on 9/24. 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 10/115:00 amTYS - PIT
1 stop4h 36mAmerican Airlines
Tue 10/148:00 amPIT - TYS
1 stop5h 35mAmerican Airlines
Deal found 9/24$274
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 10/224:26 pmTYS - PIT
1 stop6h 50mMultiple Airlines
Wed 10/295:05 pmPIT - TYS
2 stops16h 03mMultiple Airlines
Deal found 9/22$280

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 September 24, 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 10/24

3:26 pm-11:16 pm

1 stop7h 50m

Pittsburgh

Fri 10/31

6:51 pm-10:03 am

1 stop15h 12m

$232

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Thu 10/30

9:58 am-11:16 pm

1 stop13h 18m

Pittsburgh

Mon 11/3

6:51 pm-10:33 am

1 stop15h 42m

$236

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Wed 10/22

7:45 am-11:10 am

1 stop3h 25m

Pittsburgh

Wed 10/29

10:02 am-1:42 pm

1 stop3h 40m

$249

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Fri 10/17

8:10 pm-12:32 am

1 stop4h 22m

Pittsburgh

Mon 10/20

1:48 pm-7:05 pm

1 stop5h 17m

$249

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Sat 11/1

4:12 pm-11:16 pm

1 stop7h 04m

Pittsburgh

Sun 11/2

9:46 pm-8:00 pm

1 stop22h 14m

$254

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Mon 10/27

8:45 am-10:21 am

1 stop25h 36m

Pittsburgh

Fri 10/31

6:51 pm-10:03 am

1 stop15h 12m

$260

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Fri 10/10

3:52 pm-2:43 pm

1 stop22h 51m

Pittsburgh

Mon 10/13

11:55 am-11:16 pm

2 stops11h 21m

$261

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Sat 11/1

6:15 am-9:45 am

1 stop3h 30m

Pittsburgh

Mon 11/3

6:33 pm-11:46 pm

1 stop5h 13m

$274

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Wed 10/22

4:26 pm-11:16 pm

1 stop6h 50m

Pittsburgh

Wed 10/29

5:05 pm-9:08 am

2 stops16h 03m

$280

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Sun 12/7

1:22 pm-7:08 pm

1 stop5h 46m

$92

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/23

Showing 1-10 of 19 results
1
2

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 September.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Pittsburgh flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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, 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 September 24, 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 September 24, 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
7,973 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

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
7,973 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

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
8,928 reviews
Delta
8.0
Very good
7,973 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

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
7,973 reviews

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

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.

  • How long is the flight from Knoxville to Pittsburgh?

    For as low as $249, Delta can have you in Pittsburgh from Knoxville in 3h 25m. 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, 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 $223 and $228, respectively. Delta is currently priced 28% 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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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 September 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$218Average$288FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$223Average$290FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$228Average$288FlexibilityNo cancel feeOn-time69%

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