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Cheap flights from Knoxville to Pittsburgh from $106

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Pittsburgh departing on 11/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:45 pm - 5:35 pmTYS-PIT
19h 50m1 stop
Multiple Airlines Logo
9:05 pm - 5:29 pmPIT-TYS
20h 24m1 stop
$229Multiple Airlines
Find Deal
Fri, Nov 21 - Wed, Nov 26
Multiple Airlines Logo
8:15 am - 7:06 amTYS-PIT
22h 51m1 stop
Multiple Airlines Logo
9:05 pm - 5:29 pmPIT-TYS
20h 24m1 stop
$230Multiple Airlines
Find Deal
Wed, Nov 19 - Wed, Nov 26
Multiple Airlines Logo
11:24 am - 9:11 pmTYS-PIT
9h 47m1 stop
Multiple Airlines Logo
10:42 pm - 12:57 pmPIT-TYS
14h 15m1 stop
$231Multiple Airlines
Find Deal
Tue, Nov 18 - Tue, Dec 2
Multiple Airlines Logo
5:10 pm - 7:21 amTYS-PIT
14h 11m2 stops
Multiple Airlines Logo
9:05 pm - 5:29 pmPIT-TYS
20h 24m1 stop
$234Multiple Airlines
Find Deal
Fri, Nov 21 - Wed, Nov 26
United Airlines Logo
7:25 pm - 11:29 pmTYS-PIT
4h 04m1 stop
United Airlines Logo
6:15 am - 10:48 amPIT-TYS
4h 33m1 stop
$251United Airlines
Find Deal
Wed, Dec 3 - Wed, Dec 10
Allegiant Air Logo
12:59 pm - 7:53 pmTYS-PIT
6h 54m1 stop
Allegiant Air Logo
9:05 pm - 5:29 pmPIT-TYS
20h 24m1 stop
$279Allegiant Air
Find Deal
Thu, Nov 20 - Wed, Nov 26
Allegiant Air Logo
12:59 pm - 7:53 pmTYS-PIT
6h 54m1 stop
Allegiant Air Logo
9:05 pm - 5:29 pmPIT-TYS
20h 24m1 stop
$344Allegiant Air
Find Deal
Sun, Nov 23 - Wed, Nov 26
Allegiant Air Logo
12:59 pm - 7:53 pmTYS-PIT
6h 54m1 stop
Allegiant Air Logo
2:14 pm - 11:22 amPIT-TYS
21h 08m1 stop
$354Allegiant Air
Find Deal
Thu, Nov 20 - Sun, Nov 23
United Airlines Logo
7:00 am - 1:06 pmTYS-PIT
6h 06m1 stop
United Airlines Logo
10:30 am - 9:04 pmPIT-TYS
10h 34m2 stops
$382United Airlines
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Thu, Dec 4 - Sun, Dec 7
United Airlines Logo
1:52 pm - 11:29 pmTYS-PIT
9h 37m2 stops
United Airlines Logo
6:15 am - 1:17 pmPIT-TYS
7h 02m2 stops
$387United Airlines
Find Deal
Thu, Dec 4 - Sun, Dec 7

United Airlines flights from Knoxville to Pittsburgh

Our best United Airlines deals on Knoxville to Pittsburgh flight tickets
United Airlines
Dec 3
TYS7:25 pmKnoxville McGhee Tyson
4h 04m
1 stop
PIT11:29 pmPittsburgh
Dec 10
PIT6:15 amPittsburgh
4h 33m
1 stop
TYS10:48 amKnoxville McGhee Tyson
$251
Find similar
United Airlines
Dec 4
TYS7:00 amKnoxville McGhee Tyson
6h 06m
1 stop
PIT1:06 pmPittsburgh
Dec 7
PIT10:30 amPittsburgh
10h 34m
2 stops
TYS9:04 pmKnoxville McGhee Tyson
$382
Find similar
United Airlines
Dec 4
TYS1:52 pmKnoxville McGhee Tyson
9h 37m
2 stops
PIT11:29 pmPittsburgh
Dec 7
PIT6:15 amPittsburgh
7h 02m
2 stops
TYS1:17 pmKnoxville McGhee Tyson
$387
Find similar

Allegiant Air flights from Knoxville to Pittsburgh

Our best Allegiant Air deals on Knoxville to Pittsburgh flight tickets
Allegiant Air
Nov 20
TYS12:59 pmKnoxville McGhee Tyson
6h 54m
1 stop
PIT7:53 pmPittsburgh
Nov 26
PIT9:05 pmPittsburgh
20h 24m
1 stop
TYS5:29 pmKnoxville McGhee Tyson
$279
Find similar
Allegiant Air
Nov 23
TYS12:59 pmKnoxville McGhee Tyson
6h 54m
1 stop
PIT7:53 pmPittsburgh
Nov 26
PIT9:05 pmPittsburgh
20h 24m
1 stop
TYS5:29 pmKnoxville McGhee Tyson
$344
Find similar
Allegiant Air
Nov 20
TYS12:59 pmKnoxville McGhee Tyson
6h 54m
1 stop
PIT7:53 pmPittsburgh
Nov 23
PIT2:14 pmPittsburgh
21h 08m
1 stop
TYS11:22 amKnoxville McGhee Tyson
$354
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated November 4, 2025.
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

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Fri 11/21

9:45 pm-5:35 pm

1 stop19h 50m

Pittsburgh

Wed 11/26

9:05 pm-5:29 pm

1 stop20h 24m

$229

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Wed 11/19

8:15 am-7:06 am

1 stop22h 51m

Pittsburgh

Wed 11/26

9:05 pm-5:29 pm

1 stop20h 24m

$230

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Tue 11/18

11:24 am-9:11 pm

1 stop9h 47m

Pittsburgh

Tue 12/2

10:42 pm-12:57 pm

1 stop14h 15m

$231

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Fri 11/21

5:10 pm-7:21 am

2 stops14h 11m

Pittsburgh

Wed 11/26

9:05 pm-5:29 pm

1 stop20h 24m

$234

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Wed 12/3

7:25 pm-11:29 pm

1 stop4h 04m

Pittsburgh

Wed 12/10

6:15 am-10:48 am

1 stop4h 33m

$251

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Thu 11/20

12:59 pm-7:53 pm

1 stop6h 54m

Pittsburgh

Wed 11/26

9:05 pm-5:29 pm

1 stop20h 24m

$279

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Sun 11/23

12:59 pm-7:53 pm

1 stop6h 54m

Pittsburgh

Wed 11/26

9:05 pm-5:29 pm

1 stop20h 24m

$344

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Thu 11/20

12:59 pm-7:53 pm

1 stop6h 54m

Pittsburgh

Sun 11/23

2:14 pm-11:22 am

1 stop21h 08m

$354

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Thu 12/4

7:00 am-1:06 pm

1 stop6h 06m

Pittsburgh

Sun 12/7

10:30 am-9:04 pm

2 stops10h 34m

$382

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Thu 12/4

1:52 pm-11:29 pm

2 stops9h 37m

Pittsburgh

Sun 12/7

6:15 am-1:17 pm

2 stops7h 02m

$387

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Pittsburgh from

How to get the cheapest flight ticket from Knoxville to Pittsburgh

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Pittsburgh?

The cheapest day to depart on your flight to Pittsburgh is on a Wednesday when prices can be found for as low as $240. This is often the case because there is less demand to fly during this day of the week. Flights from Knoxville to Pittsburgh on a Sunday will generally be more expensive and average around $527. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Pittsburgh?

Our data shows that the cheapest Knoxville to Pittsburgh flights are usually those with departure times at noon. Our users have found flights to Pittsburgh at noon for as low as $253. Flights to Pittsburgh are more costly in the morning, with an average ticket price of $288. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

How have Knoxville to Pittsburgh flight prices changed over time?

As of November 2025, prices for Knoxville to Pittsburgh flights are approximately 67% more expensive when compared to flights at the same time last year.

When to book flights from Knoxville to Pittsburgh

Are you open to changing your travel dates? Check out the ideal times to fly from Knoxville to Pittsburgh according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Knoxville to Pittsburgh (TYS to PIT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Knoxville to Pittsburgh

Direct flights

None
There are no direct flights from Knoxville to Pittsburgh. There are no popular flight routes from Knoxville to Pittsburgh.
Search flight deals

  • How far is Knoxville McGhee Tyson to Pittsburgh by plane?

    Knoxville McGhee Tyson and Pittsburgh are 375.4 mi apart from one another. 4h 04m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Pittsburgh Airport?

    Prices for flights from Knoxville McGhee Tyson Airport to Pittsburgh Airport were last updated today.

  • How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Pittsburgh Airport?

  • How old do you have to be to fly from Knoxville McGhee Tyson Airport to Pittsburgh Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to Pittsburgh Airport.

  • What documentation or ID do you need to fly to Pittsburgh Airport?

    The necessary travel and health documents for your Pittsburgh Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Knoxville to Pittsburgh?

Best airlines flying from Knoxville to Pittsburgh

Compare and see reviews for airlines that fly from Knoxville to Pittsburgh with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $218Free CancellationRating
7.9
8,003 reviews
Search Delta flights
American AirlinesPriceFrom $218Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
United AirlinesPriceFrom $228Free CancellationRating
7.4
9,002 reviews
Search United Airlines flights

Traveling to a place near Pittsburgh?

Book flights to Pittsburgh if you plan to visit one of these locations
Washington
Monroeville
Wheeling
Butler
Canonsburg
Belle Vernon
Triadelphia
New Castle
West Mifflin
Steubenville
Moon
Coraopolis
Wexford
Mars
Cadiz
Freeport
Chester
Bridgeport

Why use momondo?

Why should I use momondo to find a flight deal from Knoxville to Pittsburgh?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Knoxville to Pittsburgh for you.

Can I find flights from Knoxville to Pittsburgh with flexible booking policies on momondo?

Flights from Knoxville to Pittsburgh with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Knoxville to Pittsburgh?

Once you have performed a search for Knoxville to Pittsburgh flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Knoxville to Pittsburgh right now. Can momondo alert me if prices change?

Price alerts on flights to Pittsburgh from Knoxville are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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