What is the cheapest airline that flies from Pittsburgh to Knoxville McGhee Tyson?

Delta, United Airlines, and Southwest are the most popular carriers operating from Pittsburgh to Knoxville McGhee Tyson

What airlines fly to Knoxville?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Knoxville from Pittsburgh according to our data. American Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Knoxville. Keep in mind that there are 3 different airlines that fly to Knoxville on a routine basis, so you have a few additional options to choose from.

Which layover airport offers the lowest fares from Pittsburgh to Knoxville?

Flights via Nashville (BNA) offer the lowest average round-trip price of $326.

Which layover airport has the shortest connection time from Pittsburgh to Knoxville?

Washington, D.C. (DCA) has the shortest average layover time for this route: 1h 42m.

Which airport is the most popular layover for flights between Pittsburgh and Knoxville?

Washington, D.C. (DCA) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport has the shortest travel time from Pittsburgh to Knoxville?

Flights connecting via Washington, D.C. (DCA) have the shortest average one-way travel time: 4h 36m.

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?

As of November 2026, there are 3 operators available to choose from 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.

$114 Cheap Flights from Pittsburgh to Knoxville in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Pittsburgh to Knoxville

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One-way

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7:59 pm - 1:07 pmPIT Pittsburgh-TYS Knoxville McGhee Tyson

17h 08m1 stop Fort Lauderdale

11:00 am - 9:25 pmTYS Knoxville McGhee Tyson-PIT Pittsburgh

10h 25m1 stop Jacksonville

$212Multiple Airlines

Mon, Dec 7 - Thu, Dec 10

3:09 pm - 8:31 pmPIT Pittsburgh-TYS Knoxville McGhee Tyson

5h 22m1 stop Jacksonville

11:00 am - 8:11 pmTYS Knoxville McGhee Tyson-PIT Pittsburgh

9h 11m1 stop Jacksonville

$215Allegiant Air

Sun, Dec 6 - Sun, Dec 13

3:09 pm - 8:31 pmPIT Pittsburgh-TYS Knoxville McGhee Tyson

5h 22m1 stop Jacksonville

11:00 am - 8:11 pmTYS Knoxville McGhee Tyson-PIT Pittsburgh

9h 11m1 stop Jacksonville

$218Allegiant Air

Sun, Dec 6 - Sun, Dec 13

10:27 am - 3:33 pmPIT Pittsburgh-TYS Knoxville McGhee Tyson

5h 06m1 stop Philadelphia

7:24 pm - 11:00 pmTYS Knoxville McGhee Tyson-PIT Pittsburgh

3h 36m1 stop Charlotte Douglas

$273American Airlines

Wed, Dec 2 - Wed, Dec 9

5:51 pm - 9:48 pmPIT Pittsburgh-TYS Knoxville McGhee Tyson

3h 57m1 stop Charlotte Douglas

6:00 am - 1:03 pmTYS Knoxville McGhee Tyson-PIT Pittsburgh

7h 03m1 stop Washington, D.C. Reagan-National

$273American Airlines

Thu, Dec 3 - Thu, Dec 10

3:23 pm - 10:17 pmPIT Pittsburgh-TYS Knoxville McGhee Tyson

6h 54m1 stop Atlanta Hartsfield-Jackson

5:40 am - 12:30 pmTYS Knoxville McGhee Tyson-PIT Pittsburgh

6h 50m1 stop Atlanta Hartsfield-Jackson

$273Delta

Tue, Dec 1 - Fri, Dec 4

5:00 am - 10:32 amPIT Pittsburgh-TYS Knoxville McGhee Tyson

5h 32m1 stop Charlotte Douglas

6:00 am - 10:05 amTYS Knoxville McGhee Tyson-PIT Pittsburgh

4h 05m1 stop Charlotte Douglas

$273American Airlines

Thu, Dec 3 - Sat, Dec 5

8:04 pm - 11:59 pmPIT Pittsburgh-TYS Knoxville McGhee Tyson

3h 55m1 stop Washington, D.C. Dulles Intl

6:00 am - 2:05 pmTYS Knoxville McGhee Tyson-PIT Pittsburgh

8h 05m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

$278United Airlines

Wed, Dec 2 - Wed, Dec 9

8:04 pm - 11:59 pmPIT Pittsburgh-TYS Knoxville McGhee Tyson

3h 55m1 stop Washington, D.C. Dulles Intl

6:00 am - 2:05 pmTYS Knoxville McGhee Tyson-PIT Pittsburgh

8h 05m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl

$278United Airlines

Tue, Dec 1 - Fri, Dec 4

10:54 am - 3:15 pmPIT Pittsburgh-TYS Knoxville McGhee Tyson

4h 21m1 stop Atlanta Hartsfield-Jackson

7:10 am - 1:26 pmTYS Knoxville McGhee Tyson-PIT Pittsburgh

6h 16m1 stop Detroit Metropolitan Wayne County

$325Delta

Thu, Feb 25 - Thu, Mar 4

Cheap last minute flights

Enter your travel dates to find the best prices.

7:45 am - 11:38 amPIT Pittsburgh-TYS Knoxville McGhee Tyson

27h 53m2 stops Bradford Washington, D.C. Dulles Intl

7:20 am - 9:46 pmTYS Knoxville McGhee Tyson-PIT Pittsburgh

14h 26m1 stop Key West

$328Multiple Airlines

Wed, Nov 11 - Fri, Nov 13

7:45 am - 11:38 amPIT Pittsburgh-TYS Knoxville McGhee Tyson

27h 53m2 stops Bradford Washington, D.C. Dulles Intl

7:20 am - 9:46 pmTYS Knoxville McGhee Tyson-PIT Pittsburgh

14h 26m1 stop Key West

$343Multiple Airlines

Wed, Nov 11 - Fri, Nov 13

5:10 pm - 11:38 amPIT Pittsburgh-TYS Knoxville McGhee Tyson

18h 28m2 stops Bradford Washington, D.C. Dulles Intl

1:59 pm - 8:50 pmTYS Knoxville McGhee Tyson-PIT Pittsburgh

6h 51m1 stop Punta Gorda

$377Multiple Airlines

Wed, Nov 11 - Sat, Nov 14

6:12 am - 11:30 amPIT Pittsburgh-TYS Knoxville McGhee Tyson

5h 18m1 stop Washington, D.C. Dulles Intl

7:45 pm - 11:30 pmTYS Knoxville McGhee Tyson-PIT Pittsburgh

3h 45m1 stop Washington, D.C. Dulles Intl

$391United Airlines

Tue, Nov 10 - Sat, Dec 12

6:12 am - 11:30 amPIT Pittsburgh-TYS Knoxville McGhee Tyson

5h 18m1 stop Washington, D.C. Dulles Intl

7:45 pm - 11:30 pmTYS Knoxville McGhee Tyson-PIT Pittsburgh

3h 45m1 stop Washington, D.C. Dulles Intl

$396United Airlines

Tue, Nov 10 - Sat, Dec 12

6:00 am - 2:48 pmPIT Pittsburgh-TYS Knoxville McGhee Tyson

8h 48m2 stops Newark Washington, D.C. Dulles Intl

7:45 pm - 11:30 pmTYS Knoxville McGhee Tyson-PIT Pittsburgh

3h 45m1 stop Washington, D.C. Dulles Intl

$396United Airlines

Tue, Nov 10 - Sat, Dec 12

6:12 am - 1:13 pmPIT Pittsburgh-TYS Knoxville McGhee Tyson

7h 01m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl

7:45 pm - 11:30 pmTYS Knoxville McGhee Tyson-PIT Pittsburgh

3h 45m1 stop Washington, D.C. Dulles Intl

$401United Airlines

Tue, Nov 10 - Sat, Dec 12

6:30 am - 10:05 pmPIT Pittsburgh-TYS Knoxville McGhee Tyson

15h 35m1 stop Jacksonville

1:59 pm - 8:50 pmTYS Knoxville McGhee Tyson-PIT Pittsburgh

6h 51m1 stop Punta Gorda

$415Allegiant Air

Thu, Nov 12 - Sat, Nov 14

12:20 pm - 7:50 pmPIT Pittsburgh-TYS Knoxville McGhee Tyson

7h 30m2 stops Baltimore/Washington Nashville Intl

7:10 am - 9:35 pmTYS Knoxville McGhee Tyson-PIT Pittsburgh

14h 25m2 stops Nashville Intl Baltimore/Washington

$443Southwest

Tue, Nov 10 - Sat, Dec 12

5:08 pm - 10:12 pmPIT Pittsburgh-TYS Knoxville McGhee Tyson

5h 04m1 stop Atlanta Hartsfield-Jackson

6:10 pm - 12:46 amTYS Knoxville McGhee Tyson-PIT Pittsburgh

6h 36m1 stop Atlanta Hartsfield-Jackson

$534Delta

Wed, Nov 11 - Sat, Nov 14

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United Airlines flights from Pittsburgh to Knoxville

Our best United Airlines deals on Pittsburgh to Knoxville flight tickets

United Airlines

Dec 1

PIT8:04 pmPittsburgh

3h 55m

1 stop

TYS11:59 pmKnoxville McGhee Tyson

Dec 4

TYS6:00 amKnoxville McGhee Tyson

8h 05m

2 stops

PIT2:05 pmPittsburgh

$278

United Airlines

Dec 5

PIT7:00 amPittsburgh

7h 53m

2 stops

TYS2:53 pmKnoxville McGhee Tyson

Dec 8

TYS7:45 pmKnoxville McGhee Tyson

3h 45m

1 stop

PIT11:30 pmPittsburgh

$300

United Airlines

Dec 7

PIT8:04 pmPittsburgh

3h 55m

1 stop

TYS11:59 pmKnoxville McGhee Tyson

Dec 10

TYS6:00 amKnoxville McGhee Tyson

8h 05m

2 stops

PIT2:05 pmPittsburgh

$330

Allegiant Air flights from Pittsburgh to Knoxville

Our best Allegiant Air deals on Pittsburgh to Knoxville flight tickets

Allegiant Air

Dec 6

PIT3:09 pmPittsburgh

5h 22m

1 stop

TYS8:31 pmKnoxville McGhee Tyson

Dec 13

TYS11:00 amKnoxville McGhee Tyson

9h 11m

1 stop

PIT8:11 pmPittsburgh

$215

Allegiant Air

Dec 6

PIT3:09 pmPittsburgh

5h 22m

1 stop

TYS8:31 pmKnoxville McGhee Tyson

Dec 13

TYS11:00 amKnoxville McGhee Tyson

9h 11m

1 stop

PIT8:11 pmPittsburgh

$218

Allegiant Air

Dec 3

PIT3:09 pmPittsburgh

5h 22m

1 stop

TYS8:31 pmKnoxville McGhee Tyson

Dec 10

TYS11:00 amKnoxville McGhee Tyson

9h 11m

1 stop

PIT8:11 pmPittsburgh

$223

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PittsburghKnoxville

PIT Pittsburgh - TYS Knoxville McGhee Tyson

PITTYS

Pittsburgh

Mon 12/7

7:59 pm-1:07 pm

1 stop17h 08m

Knoxville McGhee Tyson

Thu 12/10

11:00 am-9:25 pm

1 stop10h 25m

$212

PittsburghKnoxville

PIT Pittsburgh - TYS Knoxville McGhee Tyson

PITTYS

Pittsburgh

Sun 12/6

3:09 pm-8:31 pm

1 stop5h 22m

Knoxville McGhee Tyson

Sun 12/13

11:00 am-8:11 pm

1 stop9h 11m

$215

PittsburghKnoxville

PIT Pittsburgh - TYS Knoxville McGhee Tyson

PITTYS

Pittsburgh

Sun 12/6

3:09 pm-8:31 pm

1 stop5h 22m

Knoxville McGhee Tyson

Sun 12/13

11:00 am-8:11 pm

1 stop9h 11m

$218

Quickest round-trip

PittsburghKnoxville

PIT Pittsburgh - TYS Knoxville McGhee Tyson

PITTYS

Pittsburgh

Wed 12/2

10:27 am-3:33 pm

1 stop5h 06m

Knoxville McGhee Tyson

Wed 12/9

7:24 pm-11:00 pm

1 stop3h 36m

$273

PittsburghKnoxville

PIT Pittsburgh - TYS Knoxville McGhee Tyson

PITTYS

Pittsburgh

Thu 12/3

5:51 pm-9:48 pm

1 stop3h 57m

Knoxville McGhee Tyson

Thu 12/10

6:00 am-1:03 pm

1 stop7h 03m

$273

PittsburghKnoxville

PIT Pittsburgh - TYS Knoxville McGhee Tyson

PITTYS

Pittsburgh

Tue 12/1

3:23 pm-10:17 pm

1 stop6h 54m

Knoxville McGhee Tyson

Fri 12/4

5:40 am-12:30 pm

1 stop6h 50m

$273

PittsburghKnoxville

PIT Pittsburgh - TYS Knoxville McGhee Tyson

PITTYS

Pittsburgh

Thu 12/3

5:00 am-10:32 am

1 stop5h 32m

Knoxville McGhee Tyson

Sat 12/5

6:00 am-10:05 am

1 stop4h 05m

$273

PittsburghKnoxville

PIT Pittsburgh - TYS Knoxville McGhee Tyson

PITTYS

Pittsburgh

Wed 12/2

8:04 pm-11:59 pm

1 stop3h 55m

Knoxville McGhee Tyson

Wed 12/9

6:00 am-2:05 pm

2 stops8h 05m

$278

PittsburghKnoxville

PIT Pittsburgh - TYS Knoxville McGhee Tyson

PITTYS

Pittsburgh

Tue 12/1

8:04 pm-11:59 pm

1 stop3h 55m

Knoxville McGhee Tyson

Fri 12/4

6:00 am-2:05 pm

2 stops8h 05m

$278

PittsburghKnoxville

PIT Pittsburgh - TYS Knoxville McGhee Tyson

PITTYS

Pittsburgh

Thu 2/25

10:54 am-3:15 pm

1 stop4h 21m

Knoxville McGhee Tyson

Thu 3/4

7:10 am-1:26 pm

1 stop6h 16m

$325

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

What is the typical price of a round-trip flight between Pittsburgh and Knoxville?

Prices are currently low for flights on this route.

Typical prices usually range from $278 to $418.
The lowest price recently found on this route was $212.

What is the cheapest month to fly to Knoxville?

The month of January is, on average, the cheapest month to fly to Knoxville from Pittsburgh, with most prices found around $283. If you aren’t able to travel during the month of January, then book flights to Knoxville from Pittsburgh during December instead. Flights to Knoxville in December, while not as cheap as those in January, still average around $285.

How have Pittsburgh to Knoxville flight prices changed over time?

As of November 2026, prices for Pittsburgh to Knoxville flights are approximately 17% cheaper 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

Best Price Found	$114
Fastest flight time	4h 14m
Direct flights	None

The best one-way flight to Knoxville from Pittsburgh in the past 72 hours is $114. The best round-trip flight deal from Pittsburgh to Knoxville found on momondo in the last 72 hours is $212.

The fastest flight from Pittsburgh to Knoxville takes 4h 14m

There are no direct flights from Pittsburgh to Knoxville. There are no popular flight routes from Pittsburgh to Knoxville.

Search flight deals

Frequently asked questions about flying from Pittsburgh to Knoxville

How far is Pittsburgh to Knoxville McGhee Tyson by plane?
The straight-line distance from Pittsburgh to Knoxville McGhee Tyson is 375.4 mi. 4h 14m 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?
As of November 2026, there are 3 operators available to choose from 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?
momondo data reveals that the most frequently booked airline on the route from Pittsburgh to Knoxville is American Airlines, representing 55% of all bookings. The subsequent popular airlines are Delta at 33% and United Airlines at 11%.

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
Delta	PriceFrom $256	Free Cancellation	Rating 7.8 8,698 reviews	Search Delta flights
American Airlines	PriceFrom $276	Free Cancellation	Rating 7.0 12,228 reviews	Search American Airlines flights
United Airlines	PriceFrom $291	Free Cancellation	Rating 7.3 10,469 reviews	Search United Airlines flights

Pigeon Forge

Gatlinburg

Cherokee

Bryson City

Morristown

Corbin

Alcoa

Maryville

Crossville

Murphy

Kodak

Oak Ridge

Newport

Lenoir City

Dandridge

Clinton

Rockford

Jefferson City

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.

An easier way to manage your Knoxville trip

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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 11/25. 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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United Airlines flights from Pittsburgh to Knoxville

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How to get the cheapest flight ticket from Pittsburgh to Knoxville

What is the typical price of a round-trip flight between Pittsburgh and Knoxville?

What is the cheapest month to fly to Knoxville?

How have Pittsburgh to Knoxville flight prices changed over time?

What is the cheapest airline that flies from Pittsburgh to Knoxville McGhee Tyson?

What airlines fly to Knoxville?

Which airport is the most popular layover for flights between Pittsburgh and Knoxville?

Which layover airport offers the lowest fares from Pittsburgh to Knoxville?

Which layover airport has the shortest travel time from Pittsburgh to Knoxville?

Which layover airport has the shortest connection time from Pittsburgh to Knoxville?

When to book flights from Pittsburgh to Knoxville

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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying 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

Traveling to a place near Knoxville?

Why use momondo?

An easier way to manage your Knoxville trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Fly your favorite airline to Knoxville

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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List of cabin classes available on flights landing in Knoxville. Availability may vary depending on flight origin and airline.

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