$94+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — PIT
Aug 4 — Aug 111
Round-trip
1 adult, Economy
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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
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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
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Best
Last-minute
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Cheapest flights from Knoxville to PittsburghExplore 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 July 5, 2026.
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 July 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 10/297:45 am
TYS
- PIT
2 stops9h 22m
Multiple Airlines
Sun 11/112:00 pm
PIT
- TYS
1 stop5h 33m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$260
This deal was found by Cheapflights users on 7/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:15 am
TYS
- PIT
1 stop4h 04m
Delta
Wed 8/196:19 pm
PIT
- TYS
1 stop5h 35m
Delta
Deal found 7/1![Delta logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
Fri 8/288:00 am
TYS
- PIT
1 stop13h 00m
Multiple Airlines
Sun 8/307:49 pm
PIT
- TYS
2 stops22h 15m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$268
This deal was found by Cheapflights users on 6/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/16:00 am
TYS
- PIT
1 stop4h 37m
Delta
Mon 8/175:50 am
PIT
- TYS
1 stop5h 21m
Delta
Deal found 6/30![Delta logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 6/30. 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.
Sat 8/156:00 pm
TYS
- PIT
2 stops26h 18m
Multiple Airlines
Thu 8/207:10 pm
PIT
- TYS
1 stop23h 55m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$278
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Sat 8/157:00 am
TYS
- PIT
2 stops7h 11m
United Airlines
Thu 8/2010:45 am
PIT
- TYS
1 stop6h 13m
United Airlines
Deal found 7/1![United Airlines logo]()
$282
This deal was found by Cheapflights users on 7/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/65:40 am
TYS
- PIT
1 stop5h 12m
Delta
Mon 8/175:56 pm
PIT
- TYS
1 stop3h 38m
Delta
Deal found 7/1![Delta logo]()
$289
This Southwest deal was found by Cheapflights users on 7/3. 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.
Wed 9/95:30 pm
TYS
- PIT
1 stop4h 00m
Southwest
Wed 9/166:30 am
PIT
- TYS
2 stops6h 35m
Southwest
Deal found 7/3![Southwest logo]()
$294
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Sat 8/297:20 pm
TYS
- PIT
1 stop4h 10m
United Airlines
Sun 8/307:00 am
PIT
- TYS
1 stop6h 18m
United Airlines
Deal found 7/1![United Airlines logo]()
$296
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 7/232:06 pm
TYS
- PIT
1 stop19h 04m
Multiple Airlines
Sun 8/27:49 pm
PIT
- TYS
1 stop26h 11m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$300
Best flights from Knoxville to PittsburghDiscover carefully curated flight deals from Knoxville to Pittsburgh that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 5, 2026.
Discover carefully curated flight deals from Knoxville to Pittsburgh that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 5, 2026.
This Delta deal was found by Cheapflights users on 7/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:25 am
TYS
- PIT
1 stop5h 04m
Delta
Tue 10/208:00 am
PIT
- TYS
1 stop5h 40m
Delta
Deal found 7/2![Delta logo]()
$265
This Southwest deal was found by Cheapflights users on 7/3. 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.
Wed 9/97:00 am
TYS
- PIT
2 stops8h 10m
Southwest
Wed 9/166:30 am
PIT
- TYS
2 stops6h 35m
Southwest
Deal found 7/3![Southwest logo]()
$299
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 7/236:08 pm
TYS
- PIT
2 stops27h 56m
Multiple Airlines
Sun 8/27:49 pm
PIT
- TYS
1 stop26h 11m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$313
This United Airlines deal was found by Cheapflights users on 7/4. 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.
Mon 11/237:00 am
TYS
- PIT
1 stop6h 06m
United Airlines
Fri 11/2710:51 am
PIT
- TYS
1 stop6h 11m
United Airlines
Deal found 7/4![United Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 7/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/75:40 am
TYS
- PIT
1 stop3h 25m
Delta
Mon 8/105:56 pm
PIT
- TYS
1 stop3h 38m
Delta
Deal found 7/1![Delta logo]()
$313
This United Airlines deal was found by Cheapflights users on 7/4. 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.
Sun 8/25:45 am
TYS
- PIT
1 stop3h 55m
United Airlines
Sat 8/82:10 pm
PIT
- TYS
1 stop6h 34m
United Airlines
Deal found 7/4![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 7/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:12 pm
TYS
- PIT
1 stop6h 24m
Delta
Mon 8/175:50 am
PIT
- TYS
1 stop3h 46m
Delta
Deal found 7/2![Delta logo]()
$313
This United Airlines deal was found by Cheapflights users on 7/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:00 am
TYS
- PIT
2 stops8h 14m
United Airlines
Tue 10/207:30 am
PIT
- TYS
2 stops7h 12m
United Airlines
Deal found 7/2![United Airlines logo]()
$345
Last-minute flights from Knoxville to PittsburghDiscover last-minute flight deals from Knoxville to Pittsburgh. Data last updated July 5, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Pittsburgh. Data last updated July 5, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 7/232:06 pm
TYS
- PIT
1 stop19h 04m
Multiple Airlines
Sun 8/27:49 pm
PIT
- TYS
1 stop26h 11m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$300
This deal was found by Cheapflights users on 6/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/16:00 am
TYS
- PIT
1 stop4h 37m
Delta
Mon 8/175:50 am
PIT
- TYS
1 stop5h 21m
Delta
Deal found 6/30![Delta logo]()
$277
This deal was found by Cheapflights users on 7/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/16:00 am
TYS
- PIT
1 stop4h 37m
Delta
Wed 8/195:50 am
PIT
- TYS
1 stop5h 21m
Delta
Deal found 7/1![Delta logo]()
$310
This deal was found by Cheapflights users on 7/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/47:15 am
TYS
- PIT
1 stop4h 04m
Delta
Wed 8/196:19 pm
PIT
- TYS
1 stop5h 35m
Delta
Deal found 7/1![Delta logo]()
$265
This deal was found by Cheapflights users on 7/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/45:40 am
TYS
- PIT
1 stop3h 25m
Delta
Sun 8/166:35 am
PIT
- TYS
1 stop3h 45m
Delta
Deal found 7/1![Delta logo]()
$301
This deal was found by Cheapflights users on 7/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/65:40 am
TYS
- PIT
1 stop5h 12m
Delta
Mon 8/175:56 pm
PIT
- TYS
1 stop3h 38m
Delta
Deal found 7/1![Delta logo]()
$289
This Kiwi.com deal was found by Cheapflights users on 6/30. 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.
Sat 8/156:00 pm
TYS
- PIT
2 stops26h 18m
Multiple Airlines
Thu 8/207:10 pm
PIT
- TYS
1 stop23h 55m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$278
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Sat 8/157:00 am
TYS
- PIT
2 stops7h 11m
United Airlines
Thu 8/2010:45 am
PIT
- TYS
1 stop6h 13m
United Airlines
Deal found 7/1![United Airlines logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
Fri 8/288:00 am
TYS
- PIT
1 stop13h 00m
Multiple Airlines
Sun 8/307:49 pm
PIT
- TYS
2 stops22h 15m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$268
This United Airlines deal was found by Cheapflights users on 7/1. 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.
Sat 8/297:20 pm
TYS
- PIT
1 stop4h 10m
United Airlines
Sun 8/307:00 am
PIT
- TYS
1 stop6h 18m
United Airlines
Deal found 7/1![United Airlines logo]()
$296
One-way flights from Knoxville to PittsburghSearch for one-way flight options from Knoxville to Pittsburgh. Find affordable one-way fares based on user searches. Data last updated July 5, 2026.
Search for one-way flight options from Knoxville to Pittsburgh. Find affordable one-way fares based on user searches. Data last updated July 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 8/2012:55 pm
TYS
- PIT
1 stop5h 03m
Allegiant Air
Deal found 7/5![Allegiant Air logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 7/5. 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.
Sun 9/612:52 pm
TYS
- PIT
1 stop6h 17m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 8/2010:54 am
TYS
- PIT
2 stops8h 15m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 7/1. 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.
Fri 7/2412:53 pm
TYS
- PIT
2 stops25h 29m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$145
This Southwest deal was found by Cheapflights users on 7/4. 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 7/116:55 pm
TYS
- PIT
1 stop3h 45m
Southwest
Deal found 7/4![Southwest logo]()
$245
This United Airlines deal was found by Cheapflights users on 7/4. 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.
Sat 7/115:45 am
TYS
- PIT
2 stops8h 52m
United Airlines
Deal found 7/4![United Airlines logo]()
$250
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 July 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $260 (Kiwi.com) |
One-way from | $94 (Kiwi.com) |
Popular in | February |
Cheapest in | October |
Average price | $288 |
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 July 5, 2026.
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
Cheapest round-trip
KnoxvillePittsburgh
TYS - PIT
TYSPIT
Knoxville McGhee Tyson
Sat 10/17
7:25 am-12:29 pm
1 stop5h 04m
Pittsburgh
Tue 10/20
8:00 am-1:40 pm
1 stop5h 40m
$265
KnoxvillePittsburgh
TYS - PIT
TYSPIT
Knoxville McGhee Tyson
Wed 9/9
7:00 am-3:10 pm
2 stops8h 10m
Pittsburgh
Wed 9/16
6:30 am-1:05 pm
2 stops6h 35m
$299
KnoxvillePittsburgh
TYS - PIT
TYSPIT
Knoxville McGhee Tyson
Thu 7/23
6:08 pm-10:04 pm
2 stops27h 56m
Pittsburgh
Sun 8/2
7:49 pm-10:00 pm
1 stop26h 11m
$313
Quickest round-trip
KnoxvillePittsburgh
TYS - PIT
TYSPIT
Knoxville McGhee Tyson
Fri 8/7
5:40 am-9:05 am
1 stop3h 25m
Pittsburgh
Mon 8/10
5:56 pm-9:34 pm
1 stop3h 38m
$313
KnoxvillePittsburgh
TYS - PIT
TYSPIT
Knoxville McGhee Tyson
Fri 8/14
6:12 pm-12:36 am
1 stop6h 24m
Pittsburgh
Mon 8/17
5:50 am-9:36 am
1 stop3h 46m
$313
KnoxvillePittsburgh
TYS - PIT
TYSPIT
Knoxville McGhee Tyson
Mon 11/23
7:00 am-1:06 pm
1 stop6h 06m
Pittsburgh
Fri 11/27
10:51 am-5:02 pm
1 stop6h 11m
$337
KnoxvillePittsburgh
TYS - PIT
TYSPIT
Knoxville McGhee Tyson
Sun 8/2
5:45 am-9:40 am
1 stop3h 55m
Pittsburgh
Sat 8/8
2:10 pm-8:44 pm
1 stop6h 34m
$339
KnoxvillePittsburgh
TYS - PIT
TYSPIT
Knoxville McGhee Tyson
Sat 10/17
6:00 am-2:14 pm
2 stops8h 14m
Pittsburgh
Tue 10/20
7:30 am-2:42 pm
2 stops7h 12m
$345
Cheapest one-way
KnoxvillePittsburgh
TYS - PIT
TYSPIT
Knoxville McGhee Tyson
Thu 8/20
12:55 pm-5:58 pm
1 stop5h 03m
$94
KnoxvillePittsburgh
TYS - PIT
TYSPIT
Knoxville McGhee Tyson
Thu 8/20
10:54 am-7:09 pm
2 stops8h 15m
$143
Showing 1-10 of 13 resultsSorted by cheapest first
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 July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
TYS-PIT
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
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 July 5, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited 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.
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Food
7.0
Crew
8.6
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
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.
Traveling to a place near Pittsburgh?
Book flights to Pittsburgh if you plan to visit one of these locationsMonroeville
Washington
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Chester
Steubenville
Wexford
Belle Vernon
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Knoxville and Pittsburgh flights
Browse other Knoxville and Pittsburgh flight options. Last updated on July 5, 2026.
Other flights from Knoxville
Browse through other flights departing from Knoxville. Flights are based on user searches made on Cheapflights and were last updated on July 5, 2026.
Other flights to Pittsburgh
Explore flights to Pittsburgh departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Knoxville to Pittsburgh
Discover the top 4 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 July 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$228 | Average$288 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$233 | Average$352 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$288 | Average$329 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$295 | Average$391 | FlexibilityNo cancel fee | On-time63% |