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 $199 on this airline. Additional options worth looking into are American Airlines and Allegiant Air, starting at $229 and $253 round-trip. These flights start at 31% 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 Allegiant Air, which is currently one of the cheapest options available, starting at $156. Delta flights start at $195 while deals on American Airlines start at $228 one-way.

What is the cheapest day to fly from Pittsburgh to Knoxville?

Travelers seeking maximum savings on their Pittsburgh to Knoxville flight should consider departing on Tuesday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from Pittsburgh to Knoxville?

The most popular airlines flying from Pittsburgh to Knoxville are American Airlines, Delta and United Airlines. Something to consider prior to booking your flight.

What is the cheapest day to fly round-trip from Pittsburgh to Knoxville?

Departing on a Monday is a good option for securing a great price. You can expect to save up to 65% when planning your travel around this day of the week.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 40 days in advance, which can save you up to 50% on flights from Pittsburgh to Knoxville compared to booking the week you need them. Waiting 40 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $263. For sooner than that we have options available in the next 3 days from $308.

What is the cheapest month to fly from Pittsburgh to Knoxville?

The best pricing can be found in the month of February. Prices to Knoxville from Pittsburgh average $291. You can even find prices in February for less than $291, as users have found deals to Knoxville from as low as $195. The month of March appears to be one of the more expensive times to travel to Knoxville from Pittsburgh. Flying in the targeted month can save you up to 16%.

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.

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.

$98+ Flights from Pittsburgh to Knoxville

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The best prices from Pittsburgh to Knoxville McGhee Tyson are usually found in February or September, booked 90 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Pittsburgh to Knoxville

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$179 (Mytrip)
One-way from	$98 (Mytrip)
Popular in	March
Cheapest in	February
Average price	$238

Provider with most accurate pricing for Pittsburgh-Knoxville McGhee Tyson flight deals.

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Provider most trusted by Cheapflights users for Pittsburgh-Knoxville McGhee Tyson flights.

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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. 2% potential increase in price ($7 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).

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Average for round-trip flights in February 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 February 6, 2025.

Wed 3/56:30 amPIT - TYS

1 stop5h 30mMultiple Airlines

Wed 3/122:51 pmTYS - PIT

1 stop9h 40mMultiple Airlines

Deal found 2/5

$179

Wed 2/1910:48 amPIT - TYS

1 stop6h 06mUnited Airlines

Sat 2/227:00 amTYS - PIT

1 stop6h 13mUnited Airlines

Deal found 2/5

$199

Thu 4/171:35 pmPIT - TYS

1 stop6h 33mAmerican Airlines

Sun 4/207:54 pmTYS - PIT

1 stop3h 58mAmerican Airlines

Deal found 2/5

$229

Mon 3/178:55 pmPIT - TYS

1 stop11h 06mAllegiant Air

Fri 3/216:30 pmTYS - PIT

1 stop14h 01mAllegiant Air

Deal found 2/5

$253

Fri 2/141:01 pmPIT - TYS

1 stop7h 28mDelta

Thu 2/206:20 amTYS - PIT

1 stop5h 48mDelta

Deal found 2/6

$259

Best flights from Pittsburgh to Knoxville
Discover carefully curated flight deals from Pittsburgh to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 6, 2025.

Wed 3/56:30 amPIT - TYS

1 stop5h 30mMultiple Airlines

Wed 3/122:51 pmTYS - PIT

1 stop9h 40mMultiple Airlines

Deal found 2/5

$179

Wed 2/1910:48 amPIT - TYS

1 stop6h 06mUnited Airlines

Sat 2/227:00 amTYS - PIT

1 stop6h 13mUnited Airlines

Deal found 2/5

$199

Thu 4/171:35 pmPIT - TYS

1 stop6h 33mAmerican Airlines

Sun 4/207:54 pmTYS - PIT

1 stop3h 58mAmerican Airlines

Deal found 2/5

$229

Mon 3/178:55 pmPIT - TYS

1 stop11h 06mAllegiant Air

Fri 3/216:30 pmTYS - PIT

1 stop14h 01mAllegiant Air

Deal found 2/5

$253

Wed 5/286:00 amPIT - TYS

1 stop4h 03mDelta

Sun 6/17:30 amTYS - PIT

1 stop3h 36mDelta

Deal found 2/5

$264

Last-minute flights from Pittsburgh to Knoxville
Discover last-minute flight deals from Pittsburgh to Knoxville. Data last updated February 6, 2025 and is based on user searches.

Wed 2/1211:26 amPIT - TYS

1 stop5h 40mAmerican Airlines

Sun 2/167:58 amTYS - PIT

1 stop7h 04mAmerican Airlines

Deal found 2/4

$239

Wed 2/126:00 amPIT - TYS

2 stops10h 59mUnited Airlines

Sun 2/167:00 amTYS - PIT

1 stop6h 09mUnited Airlines

Deal found 2/4

$304

Fri 2/141:01 pmPIT - TYS

1 stop7h 28mDelta

Thu 2/206:20 amTYS - PIT

1 stop5h 48mDelta

Deal found 2/6

$259

Fri 2/148:25 pmPIT - TYS

2 stops16h 13mMultiple Airlines

Thu 2/209:24 pmTYS - PIT

1 stop12h 02mMultiple Airlines

Deal found 2/6

$312

Wed 2/1910:48 amPIT - TYS

1 stop6h 06mUnited Airlines

Sat 2/227:00 amTYS - PIT

1 stop6h 13mUnited Airlines

Deal found 2/5

$199

Wed 3/56:30 amPIT - TYS

1 stop5h 30mMultiple Airlines

Wed 3/122:51 pmTYS - PIT

1 stop9h 40mMultiple Airlines

Deal found 2/5

$179

Tue 3/117:35 amPIT - TYS

1 stop3h 39mDelta

Sat 3/227:50 amTYS - PIT

1 stop5h 35mDelta

Deal found 2/4

$229

Mon 3/178:55 pmPIT - TYS

1 stop11h 06mAllegiant Air

Fri 3/216:30 pmTYS - PIT

1 stop14h 01mAllegiant Air

Deal found 2/5

$253

One-way flights from Pittsburgh to Knoxville
Search for one-way flight options from Pittsburgh to Knoxville. Find affordable one-way fares based on user searches. Data last updated February 6, 2025.

Fri 2/218:25 pmPIT - TYS

1 stop11h 13mMultiple Airlines

Deal found 2/5

$98

Fri 2/2112:59 pmPIT - TYS

1 stop9h 35mAllegiant Air

Deal found 2/5

$156

Wed 2/264:29 pmPIT - TYS

1 stop3h 35mDelta

Deal found 2/5

$195

Wed 2/268:00 amPIT - TYS

2 stops11h 10mAmerican Airlines

Deal found 2/5

$228

Sun 4/138:00 pmPIT - TYS

1 stop3h 59mUnited Airlines

Deal found 2/4

$240

Find flights from Pittsburgh to Knoxville within your budget

Fly from

Fly to

Route

Depart

Return

Price

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Wed 3/5

6:30 am-12:00 pm

1 stop5h 30m

Knoxville McGhee Tyson

Wed 3/12

2:51 pm-12:31 am

1 stop9h 40m

$179

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Wed 2/19

10:48 am-4:54 pm

1 stop6h 06m

Knoxville McGhee Tyson

Sat 2/22

7:00 am-1:13 pm

1 stop6h 13m

$199

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Thu 4/17

1:35 pm-8:08 pm

1 stop6h 33m

Knoxville McGhee Tyson

Sun 4/20

7:54 pm-11:52 pm

1 stop3h 58m

$229

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Mon 3/17

8:55 pm-8:01 am

1 stop11h 06m

Knoxville McGhee Tyson

Fri 3/21

6:30 pm-8:31 am

1 stop14h 01m

$253

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Wed 5/28

6:00 am-10:03 am

1 stop4h 03m

Knoxville McGhee Tyson

Sun 6/1

7:30 am-11:06 am

1 stop3h 36m

$264

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Fri 2/21

8:25 pm-7:38 am

1 stop11h 13m

$98

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Fri 2/21

12:59 pm-10:34 pm

1 stop9h 35m

$156

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Wed 2/26

4:29 pm-8:04 pm

1 stop3h 35m

$195

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Wed 2/26

8:00 am-7:10 pm

2 stops11h 10m

$228

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Sun 4/13

8:00 pm-11:59 pm

1 stop3h 59m

$240

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/5

Compare providers for flights from Pittsburgh to Knoxville

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Pittsburgh to Knoxville in February.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*1 star

*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.

Travel insights for flights from Pittsburgh to Knoxville

Get recent, data-driven insights about flights from Pittsburgh to Knoxville including ideal travel times, pricing trends, and more.

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

Booking 88 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 $295). 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?

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.

Rainfall in Knoxville by month

In terms of precipitation, rainfall in Knoxville ranges from 2.7 - 4.8 inches per month. March is typically the wettest month, when rainfall can reach 4.8 in. October is typically the driest time to visit Knoxville when rainfall is around 2.7 in.

Temperature in Knoxville by month

If weather is an important factor for your trip to Knoxville, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Knoxville

See what other customers who have flown with Delta, United Airlines and Allegiant Air from Pittsburgh to Knoxville have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

8,396 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

8,396 reviews

Delta

8.0

Very good

8,396 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,882 reviews

Delta

8.0

Very good

8,396 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Allegiant Air

7.3

Good

782 reviews

Delta

8.0

Very good

8,396 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

8,396 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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 $199 on this airline. Additional options worth looking into are American Airlines and Allegiant Air, starting at $229 and $253 round-trip. These flights start at 31% 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 Allegiant Air, which is currently one of the cheapest options available, starting at $156. Delta flights start at $195 while deals on American Airlines start at $228 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 $295). 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.