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Cheap flights from Knoxville to Pittsburgh from $104

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 10/22. 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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Find the cheapest flights from Knoxville to Pittsburgh

Cheap round-trip flights

Multiple Airlines Logo
4:26 pm - 11:16 pmTYS-PIT
6h 50m1 stop
Multiple Airlines Logo
6:51 pm - 10:33 amPIT-TYS
15h 42m1 stop
$197Multiple Airlines
Find Deal
Wed, Oct 15 - Mon, Oct 20
Multiple Airlines Logo
4:26 pm - 11:16 pmTYS-PIT
6h 50m1 stop
Multiple Airlines Logo
11:55 am - 11:16 pmPIT-TYS
11h 21m2 stops
$216Multiple Airlines
Find Deal
Wed, Oct 15 - Mon, Oct 20
American Airlines Logo
5:59 am - 9:10 amTYS-PIT
3h 11m1 stop
American Airlines Logo
8:44 am - 2:13 pmPIT-TYS
5h 29m1 stop
$224American Airlines
Find Deal
Tue, Jan 20 - Sat, Jan 24
United Airlines Logo
6:45 am - 2:04 pmTYS-PIT
7h 19m2 stops
United Airlines Logo
8:56 am - 1:24 pmPIT-TYS
4h 28m1 stop
$230United Airlines
Find Deal
Tue, Jan 20 - Sat, Jan 24
United Airlines Logo
6:45 am - 2:04 pmTYS-PIT
7h 19m2 stops
United Airlines Logo
10:45 am - 7:27 pmPIT-TYS
8h 42m2 stops
$235United Airlines
Find Deal
Tue, Jan 20 - Sat, Jan 24
Delta Logo
8:05 pm - 12:17 amTYS-PIT
4h 12m1 stop
Delta Logo
10:10 am - 2:46 pmPIT-TYS
4h 36m1 stop
$249Delta
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Fri, Nov 21 - Tue, Nov 25
American Airlines Logo
6:03 am - 9:54 amTYS-PIT
3h 51m1 stop
American Airlines Logo
7:09 pm - 11:50 pmPIT-TYS
4h 41m1 stop
$251American Airlines
Find Deal
Sat, Oct 25 - Sat, Oct 25
Delta Logo
5:45 am - 11:04 amTYS-PIT
5h 19m1 stop
Delta Logo
5:58 pm - 11:44 pmPIT-TYS
5h 46m1 stop
$259Delta
Find Deal
Tue, Sep 30 - Sat, Oct 4
Allegiant Air Logo
12:07 pm - 11:28 pmTYS-PIT
11h 21m1 stop
Allegiant Air Logo
1:38 pm - 11:19 pmPIT-TYS
9h 41m1 stop
$266Allegiant Air
Find Deal
Fri, Oct 10 - Mon, Oct 13
Allegiant Air Logo
3:25 pm - 9:11 pmTYS-PIT
5h 46m1 stop
Allegiant Air Logo
1:38 pm - 11:37 pmPIT-TYS
9h 59m1 stop
$292Allegiant Air
Find Deal
Mon, Sep 29 - Fri, Oct 3

Delta flights from Knoxville to Pittsburgh

Our best Delta deals on Knoxville to Pittsburgh flight tickets
Delta
Nov 21
TYS8:05 pmKnoxville McGhee Tyson
4h 12m
1 stop
PIT12:17 amPittsburgh
Nov 25
PIT10:10 amPittsburgh
4h 36m
1 stop
TYS2:46 pmKnoxville McGhee Tyson
$249
Find similar
Delta
Sep 30
TYS5:45 amKnoxville McGhee Tyson
5h 19m
1 stop
PIT11:04 amPittsburgh
Oct 4
PIT5:58 pmPittsburgh
5h 46m
1 stop
TYS11:44 pmKnoxville McGhee Tyson
$259
Find similar
Delta
Nov 1
TYS11:34 amKnoxville McGhee Tyson
4h 20m
1 stop
PIT3:54 pmPittsburgh
Nov 3
PIT6:33 pmPittsburgh
5h 13m
1 stop
TYS11:46 pmKnoxville McGhee Tyson
$274
Find similar

Allegiant Air flights from Knoxville to Pittsburgh

Our best Allegiant Air deals on Knoxville to Pittsburgh flight tickets
Allegiant Air
Oct 10
TYS12:07 pmKnoxville McGhee Tyson
11h 21m
1 stop
PIT11:28 pmPittsburgh
Oct 13
PIT1:38 pmPittsburgh
9h 41m
1 stop
TYS11:19 pmKnoxville McGhee Tyson
$266
Find similar
Allegiant Air
Sep 29
TYS3:25 pmKnoxville McGhee Tyson
5h 46m
1 stop
PIT9:11 pmPittsburgh
Oct 3
PIT1:38 pmPittsburgh
9h 59m
1 stop
TYS11:37 pmKnoxville McGhee Tyson
$292
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 September 16, 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

Wed 10/15

4:26 pm-11:16 pm

1 stop6h 50m

Pittsburgh

Mon 10/20

6:51 pm-10:33 am

1 stop15h 42m

$197

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Wed 10/15

4:26 pm-11:16 pm

1 stop6h 50m

Pittsburgh

Mon 10/20

11:55 am-11:16 pm

2 stops11h 21m

$216

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Tue 1/20

5:59 am-9:10 am

1 stop3h 11m

Pittsburgh

Sat 1/24

8:44 am-2:13 pm

1 stop5h 29m

$224

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Tue 1/20

6:45 am-2:04 pm

2 stops7h 19m

Pittsburgh

Sat 1/24

8:56 am-1:24 pm

1 stop4h 28m

$230

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Tue 1/20

6:45 am-2:04 pm

2 stops7h 19m

Pittsburgh

Sat 1/24

10:45 am-7:27 pm

2 stops8h 42m

$235

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Fri 11/21

8:05 pm-12:17 am

1 stop4h 12m

Pittsburgh

Tue 11/25

10:10 am-2:46 pm

1 stop4h 36m

$249

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Sat 10/25

6:03 am-9:54 am

1 stop3h 51m

Pittsburgh

Sat 10/25

7:09 pm-11:50 pm

1 stop4h 41m

$251

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Tue 9/30

5:45 am-11:04 am

1 stop5h 19m

Pittsburgh

Sat 10/4

5:58 pm-11:44 pm

1 stop5h 46m

$259

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Fri 10/10

12:07 pm-11:28 pm

1 stop11h 21m

Pittsburgh

Mon 10/13

1:38 pm-11:19 pm

1 stop9h 41m

$266

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Mon 9/29

3:25 pm-9:11 pm

1 stop5h 46m

Pittsburgh

Fri 10/3

1:38 pm-11:37 pm

1 stop9h 59m

$292

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 September 2025, prices for Knoxville to Pittsburgh flights are approximately 19% 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. 3h 10m 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
7,957 reviews
Search Delta flights
American AirlinesPriceFrom $218Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $228Free CancellationRating
7.4
8,924 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
West Mifflin
New Castle
Triadelphia
Belle Vernon
Steubenville
Moon
Coraopolis
Mars
Wexford
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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