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$94+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — PIT
Apr 24 — May 11
Fri 4/24
Fri 5/1
1 adult, Economy
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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 March 25, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/21. 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 4/1612:37 pm
TYS
-
PIT
1 stop10h 47m
Allegiant Air
Sun 4/1912:47 pm
PIT
-
TYS
1 stop9h 10m
Allegiant Air
Deal found 3/21$200
This Kiwi.com deal was found by Cheapflights users on 3/24. 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.
Thu 4/2312:37 pm
TYS
-
PIT
1 stop10h 47m
Allegiant Air
Sun 4/2612:47 pm
PIT
-
TYS
1 stop9h 10m
Allegiant Air
Deal found 3/24$201
This Kiwi.com deal was found by Cheapflights users on 3/23. 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.
Thu 4/2312:37 pm
TYS
-
PIT
1 stop10h 47m
Allegiant Air
Mon 4/278:00 am
PIT
-
TYS
1 stop14h 24m
Allegiant Air
Deal found 3/23$215
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 4/1611:27 am
TYS
-
PIT
2 stops10h 01m
Multiple Airlines
Sun 4/1912:47 pm
PIT
-
TYS
1 stop9h 10m
Multiple Airlines
Deal found 3/21$219
This Southwest deal was found by Cheapflights users on 3/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:50 pm
TYS
-
PIT
1 stop3h 30m
Southwest
Tue 4/286:25 am
PIT
-
TYS
1 stop5h 35m
Southwest
Deal found 3/24$221
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 4/1612:37 pm
TYS
-
PIT
1 stop10h 47m
Allegiant Air
Mon 4/208:00 am
PIT
-
TYS
1 stop14h 24m
Allegiant Air
Deal found 3/21$226
This American Airlines deal was found by Cheapflights users on 3/24. 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.
Tue 6/96:12 am
TYS
-
PIT
1 stop5h 56m
American Airlines
Wed 6/106:00 am
PIT
-
TYS
1 stop6h 44m
American Airlines
Deal found 3/24$241
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 4/1611:27 am
TYS
-
PIT
2 stops10h 01m
Multiple Airlines
Mon 4/208:00 am
PIT
-
TYS
1 stop14h 24m
Multiple Airlines
Deal found 3/21$242
This Kiwi.com deal was found by Cheapflights users on 3/22. 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 4/224:25 pm
TYS
-
PIT
1 stop7h 34m
Multiple Airlines
Thu 4/237:40 am
PIT
-
TYS
2 stops8h 01m
Multiple Airlines
Deal found 3/22$248
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 4/84:25 pm
TYS
-
PIT
1 stop17h 13m
Multiple Airlines
Wed 4/1511:55 am
PIT
-
TYS
2 stops27h 46m
Multiple Airlines
Deal found 3/20$249
This Kiwi.com deal was found by Cheapflights users on 3/24. 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.
Thu 4/2311:27 am
TYS
-
PIT
2 stops10h 01m
Multiple Airlines
Sun 4/267:00 am
PIT
-
TYS
1 stop13h 27m
Multiple Airlines
Deal found 3/24$253

Find 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 March 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$200
(Kiwi.com)

One-way from

$94
(Kiwi.com)

Popular in

February

Cheapest in

September
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
One-way flight from Knoxville McGhee Tyson to Pittsburgh
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($94 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($18 potential savings vs. average RT price).
Search Deals

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 March 25, 2026.
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

Cheapest round-trip

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Wed 4/8

4:25 pm-9:38 am

1 stop17h 13m

Pittsburgh

Wed 4/15

11:55 am-3:41 pm

2 stops27h 46m

$249

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Tue 4/21

7:05 am-5:20 pm

2 stops10h 15m

Pittsburgh

Tue 4/28

12:30 pm-8:50 pm

2 stops8h 20m

$256

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Thu 4/23

6:45 pm-10:15 pm

1 stop3h 30m

Pittsburgh

Mon 4/27

9:25 am-6:10 pm

2 stops8h 45m

$271

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Sun 4/5

10:22 am-2:22 pm

2 stops28h 00m

Pittsburgh

Thu 4/9

10:45 am-10:05 pm

1 stop11h 20m

$272

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Tue 4/7

2:56 pm-9:38 am

1 stop18h 42m

Pittsburgh

Sat 4/11

3:14 pm-10:37 am

1 stop19h 23m

$276

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Wed 4/22

1:52 pm-8:58 pm

1 stop7h 06m

Pittsburgh

Thu 4/23

6:00 pm-10:34 pm

1 stop4h 34m

$304

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Thu 6/4

6:30 am-1:09 pm

1 stop6h 39m

Pittsburgh

Mon 6/8

6:11 pm-12:30 am

1 stop6h 19m

$335
Quickest round-trip

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Fri 8/7

5:40 am-9:08 am

1 stop3h 28m

Pittsburgh

Mon 8/10

6:05 pm-11:47 pm

1 stop5h 42m

$337
Cheapest one-way

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Tue 4/21

7:00 am-12:39 pm

1 stop5h 39m

$111

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Tue 4/21

12:30 pm-8:10 pm

1 stop7h 40m

$111

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 17 resultsSorted by cheapest first
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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice 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, 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 March is currently the most expensive (average of $241). 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.

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 March 25, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican 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
8,327 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Overall

7.9

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
8,327 reviews
Delta
7.9
Good
8,327 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Overall

7.9

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
9,478 reviews
Delta
7.9
Good
8,327 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Overall

7.9

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
7.1
Good
11,493 reviews
Delta
7.9
Good
8,327 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.8

Food

7.2

Boarding

8.1

Overall

7.9

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 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 $256, Southwest can have you in Pittsburgh from Knoxville in 10h 15m. 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 $222, 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 $228 and $232, respectively. Delta is currently priced 29% 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 March is currently the most expensive (average of $241). 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
Chester
Steubenville
Washington
Monroeville
Wexford
Belle Vernon

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Alternative routes for Knoxville to Pittsburgh

See prices for flight routes from nearby airports that may be better suited for you.
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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 March 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$222Average$288FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$228Average$288FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$232Average$316FlexibilityNo cancel feeOn-time69%

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