HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Pittsburgh

$123+ Cheap flights from Knoxville to Pittsburgh (TYS - PIT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — PIT
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Knoxville to Pittsburgh with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Knoxville to Pittsburgh

Cheapest flights from Knoxville to Pittsburgh
Explore the most affordable flight options available from Knoxville to Pittsburgh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 3, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2611:50 am
TYS
-
PIT
1 stop7h 31m
Multiple Airlines
Sun 3/16:22 pm
PIT
-
TYS
1 stop24h 09m
Multiple Airlines
Deal found 2/1$208
This Kiwi.com deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1811:30 am
TYS
-
PIT
1 stop10h 08m
Multiple Airlines
Tue 3/2410:45 am
PIT
-
TYS
1 stop23h 55m
Multiple Airlines
Deal found 2/1$212
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/183:52 pm
TYS
-
PIT
1 stop28h 22m
Multiple Airlines
Sun 2/222:28 pm
PIT
-
TYS
1 stop6h 53m
Multiple Airlines
Deal found 2/2$259
This American Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/235:00 am
TYS
-
PIT
1 stop4h 43m
American Airlines
Sun 4/2611:05 am
PIT
-
TYS
1 stop4h 21m
American Airlines
Deal found 2/1$299
This United Airlines deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/187:00 am
TYS
-
PIT
2 stops6h 57m
United Airlines
Tue 3/248:45 am
PIT
-
TYS
2 stops10h 44m
United Airlines
Deal found 2/1$317
This Southwest deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/237:45 am
TYS
-
PIT
1 stop3h 45m
Southwest
Mon 5/2510:05 am
PIT
-
TYS
2 stops8h 05m
Southwest
Deal found 2/1$322

Find flight deals from Knoxville to Pittsburgh

Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Pittsburgh (PIT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$208
(Kiwi.com)

One-way from

$123
(Trip.com)

Popular in

February

Cheapest in

September

Average price

$337
Provider with most accurate pricing for Knoxville McGhee Tyson-Pittsburgh flight deals.
Search Deals
Provider most trusted by Cheapflights users for Knoxville McGhee Tyson-Pittsburgh flights.
Search Deals
From Knoxville McGhee Tyson to Pittsburgh
Search Deals
One-way flight from Knoxville McGhee Tyson to Pittsburgh
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from Knoxville to Pittsburgh that are best for you.

Fly from

Knoxville

Fly to

Pittsburgh

Route

Depart

Return

Price

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Thu 2/26

11:50 am-7:21 pm

1 stop7h 31m

Pittsburgh

Sun 3/1

6:22 pm-6:31 pm

1 stop24h 09m

$208

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Wed 3/18

11:30 am-9:38 pm

1 stop10h 08m

Pittsburgh

Tue 3/24

10:45 am-10:40 am

1 stop23h 55m

$212

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Wed 2/18

3:52 pm-8:14 pm

1 stop28h 22m

Pittsburgh

Sun 2/22

9:09 pm-6:32 pm

2 stops21h 23m

$292

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Thu 4/23

5:00 am-9:43 am

1 stop4h 43m

Pittsburgh

Sun 4/26

11:05 am-3:26 pm

1 stop4h 21m

$299

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Fri 7/3

10:45 am-5:05 pm

1 stop6h 20m

Pittsburgh

Sun 7/5

2:10 pm-9:09 pm

1 stop6h 59m

$317

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Fri 4/24

6:38 pm-11:11 pm

1 stop4h 33m

Pittsburgh

Sun 4/26

6:00 am-1:11 pm

1 stop7h 11m

$317

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Wed 3/18

7:00 am-1:57 pm

2 stops6h 57m

Pittsburgh

Tue 3/24

8:45 am-7:29 pm

2 stops10h 44m

$317

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Thu 3/5

7:20 am-5:07 pm

2 stops9h 47m

$123

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Sun 3/15

6:30 am-5:13 pm

2 stops10h 43m

$131

KnoxvillePittsburgh

TYS - PIT

TYSPIT

Knoxville McGhee Tyson

Tue 5/19

3:00 pm-6:54 pm

1 stop3h 54m

$141

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 17 results
1
2

Compare providers for flights from Knoxville to Pittsburgh

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Knoxville to Pittsburgh in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*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 Knoxville-Pittsburgh flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Knoxville-Pittsburgh flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Knoxville-Pittsburgh flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Knoxville-Pittsburgh 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 Knoxville-Pittsburgh 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 Knoxville to Pittsburgh

Have a flexible travel schedule? Discover the best time to fly to Pittsburgh from Knoxville 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.

Cheapflights Insights

Everything you need to know about your flight from Knoxville to Pittsburgh

What is the cheapest month to book a flight from Knoxville to Pittsburgh?

Currently, October is the cheapest month in which you can book a flight from Knoxville to Pittsburgh (average of $184). Flying from Knoxville to Pittsburgh in November is currently the most expensive (average of $240). 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.

How much does it cost to fly round-trip from Knoxville to Pittsburgh?

Reviews of airlines servicing Pittsburgh

Get insights into the airlines that provide service to Pittsburgh. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Pittsburgh. Reviews last updated February 3, 2026.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Knoxville to Pittsburgh to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,138 reviews

Food

7.2

Entertainment

7.8

Comfort

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,138 reviews
Delta
7.9
Good
8,138 reviews

Food

7.2

Entertainment

7.8

Comfort

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,236 reviews
Delta
7.9
Good
8,138 reviews

Food

7.2

Entertainment

7.8

Comfort

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,217 reviews
Delta
7.9
Good
8,138 reviews

Food

7.2

Entertainment

7.8

Comfort

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Knoxville to Pittsburgh. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Knoxville to Pittsburgh round-trip?

    Currently priced at $218, American Airlines will fly you from Knoxville to Pittsburgh and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $222 and $232, respectively. American Airlines is currently priced 27% below the average price you’ll pay for this route.

  • Can I find deals for flights from Knoxville to Pittsburgh that include hotel bookings?

    Yes. In addition to deals on Knoxville to Pittsburgh flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Knoxville to Pittsburgh?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Knoxville to Pittsburgh.

  • Can I find deals for business class flights from Knoxville to Pittsburgh?

    Yes. Cheapflights offers flight deals from Knoxville to Pittsburgh 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 Knoxville to Pittsburgh?

    Currently, October is the cheapest month in which you can book a flight from Knoxville to Pittsburgh (average of $184). Flying from Knoxville to Pittsburgh in November is currently the most expensive (average of $240). 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.

See more FAQs

Traveling to a place near Pittsburgh?

Book flights to Pittsburgh if you plan to visit one of these locations
Mars
Steubenville
Washington
Monroeville
Wexford
Belle Vernon

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Knoxville to Pittsburgh

See prices for flight routes from nearby airports that may be better suited for you.
Nashville to Newark flights
Nashville to John F Kennedy Intl flights
Nashville to LaGuardia flights
Knoxville to LaGuardia flights
Memphis to LaGuardia flights
Knoxville to John F Kennedy Intl flights
Nashville to Reagan-National flights
Memphis to Newark flights
Memphis to John F Kennedy Intl flights
Nashville to Philadelphia flights
Nashville to Dulles Intl flights
Chattanooga to LaGuardia flights
Memphis to Reagan-National flights
Chattanooga to John F Kennedy Intl flights
Memphis to Dulles Intl flights
Chattanooga to Newark flights
Chattanooga to Reagan-National flights
Chattanooga to Dulles Intl flights
Knoxville to Reagan-National flights
Knoxville to Newark flights
Knoxville to Dulles Intl flights
Memphis to Philadelphia flights
Chattanooga to Philadelphia flights
Memphis to Harrisburg flights
Chattanooga to Pittsburgh flights
Knoxville to Philadelphia flights
Nashville to Pittsburgh flights
Blountville to John F Kennedy Intl flights
Blountville to LaGuardia flights
Nashville to Scranton flights
Blountville to Newark flights
Blountville to Reagan-National flights
Memphis to Pittsburgh flights
Blountville to Dulles Intl flights
Knoxville to Harrisburg flights
Knoxville to Allentown flights
Nashville to Allentown flights
Blountville to Pittsburgh flights
Nashville to Harrisburg flights
Chattanooga to Harrisburg flights
Memphis to Allentown flights
Knoxville to Elmira flights
Chattanooga to Allentown flights
Nashville to State College flights
Memphis to State College flights
Knoxville to State College flights
Memphis to Scranton flights
Knoxville to Erie flights
Blountville to Philadelphia flights

Top 3 airlines flying from Knoxville to Pittsburgh

Discover the top 3 airlines that operate flights from Knoxville to Pittsburgh. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$218Average$291FlexibilityNo cancel feeOn-time71%
DeltaCheapest$222Average$288FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$232Average$316FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights