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$92+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — TYS
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Pittsburgh to Knoxville McGhee Tyson are usually found in July or February, booked 39 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap 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 September 11, 2025.

Round-trip from

$183
(American Airlines)

One-way from

$92
(United Airlines)

Popular in

December

Cheapest in

July

Average price

$288
From Pittsburgh to Knoxville McGhee Tyson
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One-way flight from Pittsburgh to Knoxville McGhee Tyson
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Highest demand for flights based on searches. 4% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 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 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 September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/10. 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.
Wed 10/16:50 amPIT - TYS
1 stop5h 46mAmerican Airlines
Wed 10/86:10 pmTYS - PIT
1 stop4h 43mAmerican Airlines
Deal found 9/10$183
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/16:00 amPIT - TYS
2 stops8h 45mUnited Airlines
Wed 10/89:55 amTYS - PIT
1 stop4h 08mUnited Airlines
Deal found 9/11$188
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/47:40 amPIT - TYS
2 stops7h 05mUnited Airlines
Sat 10/118:50 amTYS - PIT
1 stop6h 34mUnited Airlines
Deal found 9/11$214
This American Airlines deal was found by Cheapflights users on 9/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/146:05 amPIT - TYS
1 stop3h 47mAmerican Airlines
Thu 10/236:03 amTYS - PIT
1 stop3h 54mAmerican Airlines
Deal found 9/9$216
This American Airlines deal was found by Cheapflights users on 9/11. 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 10/43:06 pmPIT - TYS
1 stop3h 59mAmerican Airlines
Sat 10/1110:57 amTYS - PIT
1 stop6h 35mAmerican Airlines
Deal found 9/11$231
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Sun 9/287:00 amPIT - TYS
1 stop11h 45mMultiple Airlines
Tue 9/308:00 amTYS - PIT
2 stops15h 23mMultiple Airlines
Deal found 9/10$236
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 10/314:01 pmPIT - TYS
1 stop6h 54mUnited Airlines
Mon 11/38:26 amTYS - PIT
1 stop4h 43mUnited Airlines
Deal found 9/10$244
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/166:00 amPIT - TYS
1 stop10h 44mAllegiant Air
Sun 10/193:22 pmTYS - PIT
1 stop27h 38mAllegiant Air
Deal found 9/9$246
This Delta deal was found by Cheapflights users on 9/8. 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.
Thu 10/210:02 amPIT - TYS
1 stop6h 53mDelta
Mon 10/68:10 pmTYS - PIT
1 stop4h 22mDelta
Deal found 9/8$249
This American Airlines deal was found by Cheapflights users on 9/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/263:06 pmPIT - TYS
1 stop3h 59mAmerican Airlines
Thu 10/26:30 amTYS - PIT
1 stop3h 08mAmerican Airlines
Deal found 9/9$254

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 September 11, 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 11/5

12:21 pm-5:46 pm

1 stop5h 25m

Knoxville McGhee Tyson

Tue 11/11

7:20 pm-12:05 am

1 stop4h 45m

$183

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Wed 10/1

5:09 am-10:37 am

1 stop5h 28m

Knoxville McGhee Tyson

Wed 10/8

1:26 pm-5:57 pm

1 stop4h 31m

$183

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Sat 10/4

7:40 am-2:45 pm

2 stops7h 05m

Knoxville McGhee Tyson

Sat 10/11

8:50 am-3:24 pm

1 stop6h 34m

$214

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Wed 10/1

6:00 am-2:45 pm

2 stops8h 45m

Knoxville McGhee Tyson

Wed 10/8

9:55 am-2:03 pm

1 stop4h 08m

$222

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Sat 10/4

3:06 pm-7:05 pm

1 stop3h 59m

Knoxville McGhee Tyson

Sat 10/11

10:57 am-5:32 pm

1 stop6h 35m

$231

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Fri 10/31

4:01 pm-10:55 pm

1 stop6h 54m

Knoxville McGhee Tyson

Mon 11/3

8:26 am-1:09 pm

1 stop4h 43m

$244

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Thu 10/16

6:00 am-4:44 pm

1 stop10h 44m

Knoxville McGhee Tyson

Sun 10/19

3:22 pm-7:00 pm

1 stop27h 38m

$246

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Mon 10/6

7:05 am-1:42 pm

1 stop6h 37m

Knoxville McGhee Tyson

Mon 10/13

8:10 pm-12:32 am

1 stop4h 22m

$249

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Thu 10/2

7:06 pm-12:07 am

1 stop5h 01m

Knoxville McGhee Tyson

Mon 10/6

8:37 pm-11:59 pm

1 stop3h 22m

$249

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Mon 10/13

11:55 am-11:16 pm

2 stops11h 21m

Knoxville McGhee Tyson

Sun 10/19

3:22 pm-7:00 pm

1 stop27h 38m

$259

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 17 results
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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 August 29, 2025.

Booking 39 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, January is the cheapest month in which you can book a flight from Pittsburgh to Knoxville (average of $294). Flying from Pittsburgh to Knoxville in March is currently the most expensive (average of $376). 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 September 11, 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 32% 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 September 11, 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
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

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
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

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
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

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
7,960 reviews

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Food

7.3

Crew

8.5

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 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 and United Airlines can get you from Pittsburgh to Knoxville in just under 5h 25m. Your travel time can differ by up to 1h 40m. 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 $198 on this airline. Additional options worth looking into are American Airlines and Delta, starting at $228 and $228 round-trip. These flights start at 30% 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 United Airlines, which is currently one of the cheapest options available, starting at $92. Delta flights start at $99 while deals on Allegiant Air start at $113 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, January is the cheapest month in which you can book a flight from Pittsburgh to Knoxville (average of $294). Flying from Pittsburgh to Knoxville in March is currently the most expensive (average of $376). 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
Morristown
Cherokee
Corbin
Alcoa
Oak Ridge
Murphy

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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$198Average$293FlexibilityNo cancel feeOn-time69%
DeltaCheapest$228Average$284FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$228Average$288FlexibilityNo cancel feeOn-time71%

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