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Cheap flights from Pittsburgh to Knoxville from $114

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pittsburgh to Knoxville departing on 11/16. 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

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Multiple Airlines Logo
5:44 pm - 11:09 amPIT-TYS
17h 25m1 stop
Multiple Airlines Logo
8:30 am - 4:49 pmTYS-PIT
8h 19m1 stop
$202Multiple Airlines
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Fri, Jan 23 - Mon, Jan 26
Delta Logo
5:30 pm - 9:32 pmPIT-TYS
4h 02m1 stop
Delta Logo
7:30 am - 1:24 pmTYS-PIT
5h 54m1 stop
$229Delta
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Sat, Feb 21 - Sun, Mar 1
Multiple Airlines Logo
7:16 am - 11:14 pmPIT-TYS
15h 58m1 stop
Multiple Airlines Logo
11:24 am - 9:11 pmTYS-PIT
9h 47m1 stop
$231Multiple Airlines
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Mon, Nov 17 - Tue, Nov 18
United Airlines Logo
2:11 pm - 8:33 pmPIT-TYS
6h 22m1 stop
United Airlines Logo
5:45 am - 9:38 amTYS-PIT
3h 53m1 stop
$246United Airlines
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Tue, Nov 18 - Wed, Nov 19
American Airlines Logo
12:21 pm - 5:46 pmPIT-TYS
5h 25m1 stop
American Airlines Logo
2:59 pm - 9:15 pmTYS-PIT
6h 16m1 stop
$254American Airlines
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Thu, Nov 6 - Mon, Nov 10
American Airlines Logo
5:00 pm - 9:24 pmPIT-TYS
4h 24m1 stop
American Airlines Logo
6:06 am - 12:07 pmTYS-PIT
6h 01m1 stop
$259American Airlines
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Tue, Nov 4 - Sat, Nov 8
Allegiant Air Logo
2:14 pm - 11:22 amPIT-TYS
21h 08m1 stop
Allegiant Air Logo
7:00 am - 2:27 pmTYS-PIT
7h 27m1 stop
$278Allegiant Air
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Sun, Nov 23 - Wed, Nov 26
United Airlines Logo
10:35 am - 9:02 pmPIT-TYS
10h 27m2 stops
United Airlines Logo
6:45 am - 1:10 pmTYS-PIT
6h 25m1 stop
$282United Airlines
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Fri, Jan 30 - Mon, Feb 2
Southwest Logo
1:00 pm - 9:15 pmPIT-TYS
8h 15m2 stops
Southwest Logo
6:35 am - 6:10 pmTYS-PIT
11h 35m2 stops
$334Southwest
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Mon, Apr 6 - Mon, Apr 13
Allegiant Air Logo
6:30 am - 10:51 pmPIT-TYS
16h 21m1 stop
Allegiant Air Logo
7:48 pm - 11:29 pmTYS-PIT
27h 41m1 stop
$346Allegiant Air
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Wed, Dec 24 - Sun, Dec 28

American Airlines flights from Pittsburgh to Knoxville

Our best American Airlines deals on Pittsburgh to Knoxville flight tickets
American Airlines
Nov 6
PIT12:21 pmPittsburgh
5h 25m
1 stop
TYS5:46 pmKnoxville McGhee Tyson
Nov 10
TYS2:59 pmKnoxville McGhee Tyson
6h 16m
1 stop
PIT9:15 pmPittsburgh
$254
Find similar
American Airlines
Nov 4
PIT5:00 pmPittsburgh
4h 24m
1 stop
TYS9:24 pmKnoxville McGhee Tyson
Nov 8
TYS6:06 amKnoxville McGhee Tyson
6h 01m
1 stop
PIT12:07 pmPittsburgh
$259
Find similar
American Airlines
Feb 13
PIT11:45 amPittsburgh
6h 01m
1 stop
TYS5:46 pmKnoxville McGhee Tyson
Feb 16
TYS11:10 amKnoxville McGhee Tyson
3h 47m
1 stop
PIT2:57 pmPittsburgh
$313
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Delta flights from Pittsburgh to Knoxville

Our best Delta deals on Pittsburgh to Knoxville flight tickets
Delta
Feb 21
PIT5:30 pmPittsburgh
4h 02m
1 stop
TYS9:32 pmKnoxville McGhee Tyson
Mar 1
TYS7:30 amKnoxville McGhee Tyson
5h 54m
1 stop
PIT1:24 pmPittsburgh
$229
Find similar
Delta
Feb 5
PIT1:00 pmPittsburgh
7h 36m
1 stop
TYS8:36 pmKnoxville McGhee Tyson
Feb 8
TYS7:30 amKnoxville McGhee Tyson
5h 54m
1 stop
PIT1:24 pmPittsburgh
$243
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Delta
Mar 7
PIT10:30 amPittsburgh
4h 36m
1 stop
TYS3:06 pmKnoxville McGhee Tyson
Mar 11
TYS5:00 pmKnoxville McGhee Tyson
6h 02m
1 stop
PIT11:02 pmPittsburgh
$249
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momondo 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, momondo users made 832,500 searches. Data last updated October 22, 2025.
Use the filters below to find and compare flights from Pittsburgh to Knoxville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Fri 1/23

5:44 pm-11:09 am

1 stop17h 25m

Knoxville McGhee Tyson

Mon 1/26

8:30 am-4:49 pm

1 stop8h 19m

$202

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Sat 2/21

5:30 pm-9:32 pm

1 stop4h 02m

Knoxville McGhee Tyson

Sun 3/1

7:30 am-1:24 pm

1 stop5h 54m

$229

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Mon 11/17

7:16 am-11:14 pm

1 stop15h 58m

Knoxville McGhee Tyson

Tue 11/18

11:24 am-9:11 pm

1 stop9h 47m

$231

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Tue 11/18

2:11 pm-8:33 pm

1 stop6h 22m

Knoxville McGhee Tyson

Wed 11/19

5:45 am-9:38 am

1 stop3h 53m

$246

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Thu 11/6

12:21 pm-5:46 pm

1 stop5h 25m

Knoxville McGhee Tyson

Mon 11/10

2:59 pm-9:15 pm

1 stop6h 16m

$254

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Tue 11/4

5:00 pm-9:24 pm

1 stop4h 24m

Knoxville McGhee Tyson

Sat 11/8

6:06 am-12:07 pm

1 stop6h 01m

$259

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Sun 11/23

2:14 pm-11:22 am

1 stop21h 08m

Knoxville McGhee Tyson

Wed 11/26

7:00 am-2:27 pm

1 stop7h 27m

$278

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Fri 1/30

10:35 am-9:02 pm

2 stops10h 27m

Knoxville McGhee Tyson

Mon 2/2

6:45 am-1:10 pm

1 stop6h 25m

$282

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Mon 4/6

1:00 pm-9:15 pm

2 stops8h 15m

Knoxville McGhee Tyson

Mon 4/13

6:35 am-6:10 pm

2 stops11h 35m

$334

PittsburghKnoxville

PIT - TYS

PITTYS

Pittsburgh

Wed 12/24

6:30 am-10:51 pm

1 stop16h 21m

Knoxville McGhee Tyson

Sun 12/28

7:48 pm-11:29 pm

1 stop27h 41m

$346

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 Knoxville from

How to get the cheapest flight ticket from Pittsburgh to Knoxville

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 month to fly to Knoxville?

The month of August is, on average, the cheapest month to fly to Knoxville from Pittsburgh, with most prices found around $236. If you aren’t able to travel during the month of August, then book flights to Knoxville from Pittsburgh during September instead. Flights to Knoxville in September, while not as cheap as those in August, still average around $243.

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

The cheapest day to depart from Pittsburgh to Knoxville is on a Tuesday. Travelers who choose to depart for Knoxville on a Tuesday will often find tickets for as low as $237. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Pittsburgh to Knoxville for around $392.

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

At noon is the cheapest time of day to fly from Pittsburgh to Knoxville when you can find flight prices for as low as $268. Flying to Knoxville at noon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Knoxville is in the evening when prices are around $392.

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

You are more likely to see cheaper flights to Knoxville from Pittsburgh when booking weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around $280 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Knoxville from Pittsburgh for as low as $152 on momondo.

How have Pittsburgh to Knoxville flight prices changed over time?

As of October 2025, prices for Pittsburgh to Knoxville flights are approximately 29% more expensive when compared to flights at the same time last year.

When to book flights from Pittsburgh to Knoxville

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

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

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

Direct flights

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

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

    The straight-line distance from Pittsburgh to Knoxville McGhee Tyson is 375.4 mi. 3h 20m is a normal flight duration for this route.

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

    Prices for flights from Pittsburgh Airport to Knoxville McGhee Tyson Airport are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Pittsburgh Airport to Knoxville McGhee Tyson Airport.

  • What documentation or ID do you need to fly to Knoxville McGhee Tyson Airport?

    The required travel and health documents for your Knoxville McGhee Tyson Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Knoxville McGhee Tyson Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Best airlines flying from Pittsburgh to Knoxville

Compare and see reviews for airlines that fly from Pittsburgh to Knoxville with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $223Free CancellationRating
7.2
11,028 reviews
Search American Airlines flights
DeltaPriceFrom $228Free CancellationRating
7.9
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $228Free CancellationRating
7.4
8,990 reviews
Search United Airlines flights

Traveling to a place near Knoxville?

Book flights to Knoxville if you plan to visit one of these locations
Pigeon Forge
Gatlinburg
Cherokee
Bryson City
Morristown
Corbin
Crossville
Maryville
Murphy
Alcoa
Oak Ridge
Lenoir City
Newport
Kodak
Dandridge
Clinton
Jefferson City
Rockford

Why use momondo?

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

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 Pittsburgh to Knoxville for you.

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

Yes. momondo allows you to filter the results for Pittsburgh to Knoxville flights to just show those with flexible booking policies.

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

Once all potential Pittsburgh to Knoxville flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Knoxville from Pittsburgh. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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