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Knoxville

$96+ 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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — TYS
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheapflights Tip: The best prices from Pittsburgh to Knoxville McGhee Tyson are usually found in August or September, booked 56 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

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 December 4, 2025.

This Mytrip deal was found by Cheapflights users on 12/2. 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 12/1111:55 amPIT - TYS
2 stops9h 42mMultiple Airlines
Thu 12/184:20 pmTYS - PIT
1 stop6h 22mMultiple Airlines
Deal found 12/2$211
This United Airlines deal was found by Cheapflights users on 12/2. 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.
Tue 12/167:00 amPIT - TYS
1 stop6h 17mUnited Airlines
Tue 12/167:25 pmTYS - PIT
1 stop4h 04mUnited Airlines
Deal found 12/2$246
This Mytrip deal was found by Cheapflights users on 12/3. 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 12/1111:55 amPIT - TYS
2 stops9h 42mMultiple Airlines
Sun 12/141:22 pmTYS - PIT
1 stop5h 46mMultiple Airlines
Deal found 12/3$256
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 12/188:00 amPIT - TYS
1 stop13h 13mMultiple Airlines
Mon 12/223:45 pmTYS - PIT
1 stop7h 54mMultiple Airlines
Deal found 12/3$257
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 12/196:30 amPIT - TYS
1 stop10h 18mMultiple Airlines
Sun 12/215:42 pmTYS - PIT
2 stops20h 40mMultiple Airlines
Deal found 12/3$258
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 12/196:30 amPIT - TYS
1 stop10h 18mAllegiant Air
Sun 12/211:22 pmTYS - PIT
1 stop21h 24mAllegiant Air
Deal found 12/3$263
This Mytrip deal was found by Cheapflights users on 12/3. 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 12/112:18 pmPIT - TYS
1 stop8h 24mAllegiant Air
Sun 12/141:22 pmTYS - PIT
1 stop5h 46mAllegiant Air
Deal found 12/3$264
This Mytrip deal was found by Cheapflights users on 12/3. 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.
Tue 12/95:05 pmPIT - TYS
2 stops19h 52mMultiple Airlines
Sun 1/119:00 amTYS - PIT
1 stop12h 58mMultiple Airlines
Deal found 12/3$280
This Kiwi.com deal was found by Cheapflights users on 12/3. 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 12/247:40 amPIT - TYS
2 stops8h 35mMultiple Airlines
Sun 12/2812:31 pmTYS - PIT
1 stop24h 33mMultiple Airlines
Deal found 12/3$308

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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$159
(American Airlines)

One-way from

$96
(Delta)

Popular in

December

Cheapest in

August

Average price

$331
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. 7% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 4, 2025.
Use the filters below to find and compare flights from Pittsburgh to Knoxville that are best for you.

Fly from

Pittsburgh

Fly to

Knoxville

Route

Depart

Return

Price

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Wed 1/14

5:40 pm-10:09 pm

1 stop4h 29m

Knoxville McGhee Tyson

Wed 1/21

5:17 pm-11:29 pm

1 stop6h 12m

$159

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Sun 2/1

11:00 am-11:05 pm

1 stop12h 05m

Knoxville McGhee Tyson

Sat 2/7

5:59 pm-9:40 am

1 stop15h 41m

$173

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Thu 1/8

11:00 am-11:05 pm

1 stop12h 05m

Knoxville McGhee Tyson

Sat 1/10

5:30 pm-9:58 pm

1 stop28h 28m

$183

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Wed 2/18

5:00 pm-11:52 pm

1 stop6h 52m

Knoxville McGhee Tyson

Sat 2/21

12:00 pm-6:31 pm

1 stop6h 31m

$184

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Thu 12/11

2:18 pm-10:42 pm

1 stop8h 24m

Knoxville McGhee Tyson

Thu 12/18

4:20 pm-10:42 pm

1 stop6h 22m

$221

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Mon 1/5

6:10 am-9:48 pm

1 stop15h 38m

Knoxville McGhee Tyson

Thu 1/8

9:29 am-11:44 pm

1 stop14h 15m

$230

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Wed 2/18

10:28 am-3:15 pm

1 stop4h 47m

Knoxville McGhee Tyson

Sat 2/21

7:25 pm-11:15 pm

1 stop3h 50m

$244

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Tue 12/16

7:00 am-1:17 pm

1 stop6h 17m

Knoxville McGhee Tyson

Tue 12/16

7:25 pm-11:29 pm

1 stop4h 04m

$246

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Sat 1/24

2:45 pm-8:47 pm

1 stop6h 02m

$96

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Mon 1/26

7:38 pm-11:45 pm

1 stop4h 07m

$96

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 18 results
1
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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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 Pittsburgh-Knoxville flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Pittsburgh-Knoxville flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 November 28, 2025.

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 January is currently the most expensive (average of $228). 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 PIT to TYS?

Find hourly flight availability from Pittsburgh to Knoxville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 4, 2025.

A simple way to save on the total cost of your ticket is to fly from Pittsburgh to Knoxville at noon. If you’re flexible enough to do this you can expect to save up to 31% on your trip compared to booking a flight in the evening.

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 December 4, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American 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
8,011 reviews

Comfort

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Entertainment

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
8,011 reviews
Delta
7.9
Good
8,011 reviews

Comfort

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Entertainment

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
9,066 reviews
Delta
7.9
Good
8,011 reviews

Comfort

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Entertainment

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
7.2
Good
11,047 reviews
Delta
7.9
Good
8,011 reviews

Comfort

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.3

Entertainment

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?

    American Airlines, Allegiant Air, and Delta can get you from Pittsburgh to Knoxville in just under 4h 29m. Your travel time can differ by up to 7h 36m. 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 American Airlines. Our recent data shows that you can find tickets from as low as $228 on this airline. Additional options worth looking into are United Airlines and Delta, starting at $228 and $228 round-trip. These flights start at 19% 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. United Airlines flights start at $99 while deals on Delta start at $125 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 January is currently the most expensive (average of $228). 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
Morristown
Corbin
Bryson City
Alcoa
Oak Ridge
Murphy

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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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$228Average$286FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$228Average$293FlexibilityNo cancel feeOn-time69%
DeltaCheapest$228Average$283FlexibilityNo cancel feeOn-timeN/A

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