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Knoxville

$126+ Cheap flights from Pittsburgh to Knoxville (PIT - TYS)

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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — TYS
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
1 adult, Economy
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Cheap flight deals from Pittsburgh to Knoxville

Cheapest flights from Pittsburgh to Knoxville
Explore the most affordable flight options available from Pittsburgh to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/166:35 am
PIT
-
TYS
1 stop14h 07m
Multiple Airlines
Sun 4/1911:27 am
TYS
-
PIT
2 stops29h 23m
Multiple Airlines
Deal found 3/7$245
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 4/98:15 am
PIT
-
TYS
2 stops7h 26m
Multiple Airlines
Wed 4/154:25 pm
TYS
-
PIT
1 stop7h 34m
Multiple Airlines
Deal found 3/9$248
This United Airlines deal was found by Cheapflights users on 3/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:10 am
PIT
-
TYS
1 stop4h 39m
United Airlines
Sat 5/99:50 am
TYS
-
PIT
1 stop4h 13m
United Airlines
Deal found 3/5$258
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/176:15 pm
PIT
-
TYS
1 stop17h 51m
Multiple Airlines
Sun 4/1912:37 pm
TYS
-
PIT
1 stop10h 47m
Multiple Airlines
Deal found 3/7$260
This American Airlines deal was found by Cheapflights users on 3/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:57 pm
PIT
-
TYS
1 stop3h 58m
American Airlines
Sat 5/98:00 am
TYS
-
PIT
1 stop6h 40m
American Airlines
Deal found 3/5$265
This Southwest deal was found by Cheapflights users on 3/9. 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 4/146:25 am
PIT
-
TYS
1 stop5h 35m
Southwest
Sat 4/187:45 am
TYS
-
PIT
1 stop3h 45m
Southwest
Deal found 3/9$267
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 3/2310:45 am
PIT
-
TYS
1 stop27h 25m
Multiple Airlines
Thu 3/2611:05 am
TYS
-
PIT
1 stop12h 24m
Multiple Airlines
Deal found 3/9$268
This United Airlines deal was found by Cheapflights users on 3/6. 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.
Sat 4/256:02 pm
PIT
-
TYS
1 stop4h 32m
United Airlines
Sat 5/27:18 pm
TYS
-
PIT
1 stop4h 05m
United Airlines
Deal found 3/6$271

Find flight deals from Pittsburgh to Knoxville

Discover tips and strategies to find the most affordable flight options for your journey from Pittsburgh (PIT) to Knoxville (TYS). 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 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$245
(Kiwi.com)

One-way from

$126
(United Airlines)

Popular in

December

Cheapest in

August

Average price

$379
Provider with most accurate pricing for Pittsburgh-Knoxville McGhee Tyson flight deals.
Search Deals
Provider most trusted by Cheapflights users for Pittsburgh-Knoxville McGhee Tyson flights.
Search Deals
From Pittsburgh to Knoxville McGhee Tyson
Search Deals
One-way flight from Pittsburgh to Knoxville McGhee Tyson
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pittsburgh to Knoxville 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 10, 2026.
Use the filters below to find and compare flights from Pittsburgh to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Tue 4/7

6:10 am-10:50 am

1 stop4h 40m

Knoxville McGhee Tyson

Tue 4/14

7:20 pm-11:20 pm

1 stop4h 00m

$263

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Tue 4/14

6:25 am-12:00 pm

1 stop5h 35m

Knoxville McGhee Tyson

Sat 4/18

7:45 am-11:30 am

1 stop3h 45m

$267

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Tue 5/5

11:30 am-5:10 pm

1 stop5h 40m

Knoxville McGhee Tyson

Sat 5/9

7:45 am-11:30 am

1 stop3h 45m

$271

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Sat 4/11

6:10 am-10:50 am

1 stop4h 40m

Knoxville McGhee Tyson

Tue 4/14

7:20 pm-11:20 pm

1 stop4h 00m

$281

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Wed 5/6

12:30 pm-8:50 pm

2 stops8h 20m

Knoxville McGhee Tyson

Sat 5/9

6:40 am-5:15 pm

2 stops10h 35m

$291

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Sat 4/11

8:25 am-6:30 pm

2 stops10h 05m

Knoxville McGhee Tyson

Tue 4/14

7:05 am-5:20 pm

2 stops10h 15m

$307

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Fri 4/3

6:00 pm-10:34 pm

1 stop4h 34m

Knoxville McGhee Tyson

Sat 4/11

7:20 pm-11:20 pm

1 stop4h 00m

$324
Quickest round-trip

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Fri 4/10

7:35 pm-11:57 pm

1 stop4h 22m

Knoxville McGhee Tyson

Mon 4/13

5:40 am-9:15 am

1 stop3h 35m

$330

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Sat 4/11

12:45 pm-7:56 pm

1 stop7h 11m

Knoxville McGhee Tyson

Wed 4/15

7:00 am-1:54 pm

2 stops6h 54m

$346
Cheapest one-way

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Tue 4/14

6:10 am-10:50 am

1 stop4h 40m

$126

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Compare providers for flights from Pittsburgh to Knoxville

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 Pittsburgh to Knoxville 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 Pittsburgh-Knoxville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Pittsburgh-Knoxville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Pittsburgh-Knoxville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Pittsburgh-Knoxville 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 Pittsburgh-Knoxville 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 Pittsburgh to Knoxville

Have a flexible travel schedule? Discover the best time to fly to Knoxville from Pittsburgh 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 Pittsburgh to Knoxville

How far ahead should I book a flight from Pittsburgh to Knoxville?

Use this chart to determine the optimal time to book a round-trip flight from Pittsburgh to Knoxville. Price data was last updated on March 6, 2026.

Booking 46 days in advance of your planned departure date is, on average, the best time to get cheap flights from Pittsburgh to Knoxville. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, June is the cheapest month in which you can book a flight from Pittsburgh to Knoxville (average of $144). Flying from Pittsburgh to Knoxville in March is currently the most expensive (average of $248). 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.

How much does it cost to fly round-trip from Pittsburgh to Knoxville?

Reviews of airlines servicing Knoxville

Get insights into the airlines that provide service to Knoxville. 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 Knoxville. Reviews last updated March 10, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican Airlines from Pittsburgh to Knoxville 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
8,276 reviews

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.9

Food

7.2

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
8,276 reviews
Delta
7.9
Good
8,276 reviews

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.9

Food

7.2

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
9,409 reviews
Delta
7.9
Good
8,276 reviews

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.9

Food

7.2

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
11,413 reviews
Delta
7.9
Good
8,276 reviews

Entertainment

7.8

Crew

8.5

Boarding

8.1

Comfort

7.9

Food

7.2

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 Pittsburgh to Knoxville. 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 Pittsburgh to Knoxville?

    United Airlines and Southwest can get you from Pittsburgh to Knoxville in just under 4h 40m. Your travel time can differ by up to 55m. The distance from Pittsburgh to Knoxville is about 382 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Our cheapest airline available from Pittsburgh to Knoxville is United Airlines. Our recent data shows that you can find tickets from as low as $228 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $228 and $228 round-trip. These flights start at 25% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Pittsburgh to Knoxville one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $99. Delta flights start at $125 while deals on United Airlines start at $158 one-way.

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

    Yes. In addition to deals on Pittsburgh to Knoxville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pittsburgh to Knoxville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pittsburgh to Knoxville.

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

    Yes. Cheapflights offers flight deals from Pittsburgh to Knoxville 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 Pittsburgh to Knoxville?

    Currently, June is the cheapest month in which you can book a flight from Pittsburgh to Knoxville (average of $144). Flying from Pittsburgh to Knoxville in March is currently the most expensive (average of $248). 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 Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Cherokee
Crossville
Corbin
Morristown
Bryson City
Alcoa
Murphy
Oak Ridge

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Alternative routes for Pittsburgh to Knoxville

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Pittsburgh to Knoxville

Discover the top 3 airlines that operate flights from Pittsburgh to Knoxville. 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 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$228Average$306FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$228Average$281FlexibilityNo cancel feeOn-time71%
DeltaCheapest$228Average$288FlexibilityNo cancel feeOn-timeN/A

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