$131+ Cheap flights from Pittsburgh to Knoxville (PIT - TYS)
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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — TYS
Aug 26 — Sep 21
Round-trip
1 adult, Economy
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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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Cheapest flights from Pittsburgh to KnoxvilleExplore the most affordable flight options available from Pittsburgh to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.
Explore the most affordable flight options available from Pittsburgh to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/207:10 pm
PIT
- TYS
1 stop23h 55m
Multiple Airlines
Sun 8/2312:55 pm
TYS
- PIT
1 stop6h 14m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/277:00 am
PIT
- TYS
1 stop5h 05m
Multiple Airlines
Sun 8/3012:55 pm
TYS
- PIT
1 stop6h 14m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$236
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 10/2111:55 am
PIT
- TYS
2 stops23h 34m
Multiple Airlines
Sun 10/252:01 pm
TYS
- PIT
1 stop7h 24m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 10/2111:55 am
PIT
- TYS
2 stops23h 34m
Multiple Airlines
Sat 10/241:52 pm
TYS
- PIT
1 stop6h 50m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 7/25. 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.
Mon 8/247:10 pm
PIT
- TYS
1 stop19h 25m
Multiple Airlines
Mon 8/316:21 pm
TYS
- PIT
1 stop17h 00m
Multiple Airlines
Deal found 7/25![Multiple Airlines logo]()
$261
This Delta deal was found by Cheapflights users on 7/23. 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.
Thu 9/171:36 pm
PIT
- TYS
1 stop6h 39m
Delta
Mon 9/216:13 pm
TYS
- PIT
1 stop3h 26m
Delta
Deal found 7/23![Delta logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/207:10 pm
PIT
- TYS
1 stop23h 55m
Multiple Airlines
Mon 8/244:33 pm
TYS
- PIT
1 stop18h 48m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 8/147:30 am
PIT
- TYS
1 stop10h 55m
Multiple Airlines
Wed 8/1910:54 am
TYS
- PIT
2 stops30h 13m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$270
This United Airlines deal was found by Cheapflights users on 7/25. 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 8/173:20 pm
PIT
- TYS
1 stop5h 04m
United Airlines
Sat 8/221:00 pm
TYS
- PIT
1 stop5h 30m
United Airlines
Deal found 7/25![United Airlines logo]()
$273
This Southwest deal was found by Cheapflights users on 7/23. 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 10/219:30 am
PIT
- TYS
2 stops7h 10m
Southwest
Sat 10/246:40 am
TYS
- PIT
2 stops6h 25m
Southwest
Deal found 7/23![Southwest logo]()
$275
Best flights from Pittsburgh to KnoxvilleDiscover carefully curated flight deals from Pittsburgh to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 27, 2026.
Discover carefully curated flight deals from Pittsburgh to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 27, 2026.
This United Airlines deal was found by Cheapflights users on 7/23. 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 10/105:11 am
PIT
- TYS
1 stop4h 34m
United Airlines
Sat 10/177:25 pm
TYS
- PIT
1 stop4h 05m
United Airlines
Deal found 7/23![United Airlines logo]()
$265
This Delta deal was found by Cheapflights users on 7/23. 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.
Wed 10/211:35 pm
PIT
- TYS
1 stop4h 01m
Delta
Sat 10/246:00 am
TYS
- PIT
1 stop6h 29m
Delta
Deal found 7/23![Delta logo]()
$265
This Southwest deal was found by Cheapflights users on 7/24. 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.
Tue 9/88:55 am
PIT
- TYS
2 stops11h 00m
Southwest
Tue 9/157:00 am
TYS
- PIT
2 stops8h 10m
Southwest
Deal found 7/24![Southwest logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 7/316:00 am
PIT
- TYS
1 stop16h 00m
Allegiant Air
Sun 8/22:08 pm
TYS
- PIT
1 stop19h 02m
Allegiant Air
Deal found 7/22![Allegiant Air logo]()
$344
This Southwest deal was found by Cheapflights users on 7/27. 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.
Tue 8/183:25 pm
PIT
- TYS
1 stop4h 25m
Southwest
Fri 8/217:10 am
TYS
- PIT
2 stops9h 55m
Southwest
Deal found 7/27![Southwest logo]()
$303
This Delta deal was found by Cheapflights users on 7/23. 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.
Wed 9/165:50 am
PIT
- TYS
1 stop3h 39m
Delta
Sun 9/207:33 am
TYS
- PIT
1 stop3h 46m
Delta
Deal found 7/23![Delta logo]()
$306
This Delta deal was found by Cheapflights users on 7/26. 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.
Thu 9/35:50 am
PIT
- TYS
1 stop3h 46m
Delta
Mon 9/75:40 am
TYS
- PIT
1 stop5h 06m
Delta
Deal found 7/26![Delta logo]()
$306
This United Airlines deal was found by Cheapflights users on 7/24. 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 8/1910:45 am
PIT
- TYS
1 stop6h 13m
United Airlines
Mon 8/247:00 am
TYS
- PIT
2 stops7h 11m
United Airlines
Deal found 7/24![United Airlines logo]()
$348
This United Airlines deal was found by Cheapflights users on 7/26. 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 8/177:59 pm
PIT
- TYS
1 stop4h 00m
United Airlines
Sat 8/227:00 am
TYS
- PIT
2 stops7h 11m
United Airlines
Deal found 7/26![United Airlines logo]()
$348
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Thu 10/225:11 am
PIT
- TYS
1 stop4h 34m
United Airlines
Mon 10/263:45 pm
TYS
- PIT
2 stops7h 45m
United Airlines
Deal found 7/24![United Airlines logo]()
$348
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Fri 9/255:11 am
PIT
- TYS
1 stop4h 34m
United Airlines
Sun 9/275:45 am
TYS
- PIT
1 stop3h 52m
United Airlines
Deal found 7/25![United Airlines logo]()
$380
Last-minute flights from Pittsburgh to KnoxvilleDiscover last-minute flight deals from Pittsburgh to Knoxville. Data last updated July 27, 2026 and is based on user searches.
Discover last-minute flight deals from Pittsburgh to Knoxville. Data last updated July 27, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 8/147:30 am
PIT
- TYS
1 stop10h 55m
Multiple Airlines
Wed 8/1910:54 am
TYS
- PIT
2 stops30h 13m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$270
This United Airlines deal was found by Cheapflights users on 7/25. 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 8/173:20 pm
PIT
- TYS
1 stop5h 04m
United Airlines
Sat 8/221:00 pm
TYS
- PIT
1 stop5h 30m
United Airlines
Deal found 7/25![United Airlines logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 8/197:10 pm
PIT
- TYS
1 stop16h 55m
Multiple Airlines
Sun 8/2312:55 pm
TYS
- PIT
1 stop6h 14m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 8/207:10 pm
PIT
- TYS
1 stop23h 55m
Multiple Airlines
Sun 8/2312:55 pm
TYS
- PIT
1 stop6h 14m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$234
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 8/207:10 pm
PIT
- TYS
1 stop23h 55m
Multiple Airlines
Mon 8/249:00 am
TYS
- PIT
1 stop9h 15m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$265
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 8/207:00 am
PIT
- TYS
1 stop10h 26m
Multiple Airlines
Sat 8/223:57 pm
TYS
- PIT
1 stop26h 18m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$283
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 8/277:00 am
PIT
- TYS
1 stop5h 05m
Multiple Airlines
Sun 8/3012:55 pm
TYS
- PIT
1 stop6h 14m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$236
One-way flights from Pittsburgh to KnoxvilleSearch for one-way flight options from Pittsburgh to Knoxville. Find affordable one-way fares based on user searches. Data last updated July 27, 2026.
Search for one-way flight options from Pittsburgh to Knoxville. Find affordable one-way fares based on user searches. Data last updated July 27, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/24. 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 9/56:32 pm
PIT
- TYS
2 stops16h 12m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 8/97:49 pm
PIT
- TYS
1 stop26h 35m
Multiple Airlines
Deal found 7/26![Multiple Airlines logo]()
$135
This United Airlines deal was found by Cheapflights users on 7/24. 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 9/54:09 pm
PIT
- TYS
1 stop4h 44m
United Airlines
Deal found 7/24![United Airlines logo]()
$137
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Fri 8/216:10 am
PIT
- TYS
1 stop4h 27m
United Airlines
Deal found 7/26![United Airlines logo]()
$162
This Southwest deal was found by Cheapflights users on 7/26. 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.
Fri 8/2111:20 am
PIT
- TYS
2 stops7h 15m
Southwest
Deal found 7/26![Southwest logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/512:59 pm
PIT
- TYS
1 stop28h 37m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 7/316:00 am
PIT
- TYS
1 stop16h 00m
Allegiant Air
Deal found 7/25![Allegiant Air logo]()
$223
This United Airlines deal was found by Cheapflights users on 7/22. 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 8/59:12 am
PIT
- TYS
2 stops11h 22m
United Airlines
Deal found 7/22![United Airlines logo]()
$229
This Southwest deal was found by Cheapflights users on 7/24. 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.
Mon 9/75:35 am
PIT
- TYS
2 stops6h 45m
Southwest
Deal found 7/24![Southwest logo]()
$239
Find flight deals from Pittsburgh to Knoxville
Discover tips and strategies to find the most affordable flight options for your journey from Pittsburgh (PIT) to Knoxville (TYS). 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 27, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $234 (Kiwi.com) |
One-way from | $131 (Kiwi.com) |
Popular in | July |
Cheapest in | September |
Average price | $482 |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated July 27, 2026.
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
Cheapest round-trip
PittsburghKnoxville
PIT - TYS
PITTYS
Pittsburgh
Sat 10/10
5:11 am-9:45 am
1 stop4h 34m
Knoxville McGhee Tyson
Sat 10/17
7:25 pm-11:30 pm
1 stop4h 05m
$265
PittsburghKnoxville
PIT - TYS
PITTYS
Pittsburgh
Wed 10/21
1:35 pm-5:36 pm
1 stop4h 01m
Knoxville McGhee Tyson
Sat 10/24
6:00 am-12:29 pm
1 stop6h 29m
$265
PittsburghKnoxville
PIT - TYS
PITTYS
Pittsburgh
Tue 9/8
8:55 am-7:55 pm
2 stops11h 00m
Knoxville McGhee Tyson
Tue 9/15
7:00 am-3:10 pm
2 stops8h 10m
$283
PittsburghKnoxville
PIT - TYS
PITTYS
Pittsburgh
Tue 8/18
3:25 pm-7:50 pm
1 stop4h 25m
Knoxville McGhee Tyson
Fri 8/21
7:10 am-5:05 pm
2 stops9h 55m
$303
Quickest round-trip
PittsburghKnoxville
PIT - TYS
PITTYS
Pittsburgh
Wed 9/16
5:50 am-9:29 am
1 stop3h 39m
Knoxville McGhee Tyson
Sun 9/20
7:33 am-11:19 am
1 stop3h 46m
$306
PittsburghKnoxville
PIT - TYS
PITTYS
Pittsburgh
Thu 9/3
5:50 am-9:36 am
1 stop3h 46m
Knoxville McGhee Tyson
Mon 9/7
5:40 am-10:46 am
1 stop5h 06m
$306
PittsburghKnoxville
PIT - TYS
PITTYS
Pittsburgh
Fri 7/31
6:00 am-10:00 pm
1 stop16h 00m
Knoxville McGhee Tyson
Sun 8/2
2:08 pm-9:10 am
1 stop19h 02m
$344
PittsburghKnoxville
PIT - TYS
PITTYS
Pittsburgh
Wed 8/19
10:45 am-4:58 pm
1 stop6h 13m
Knoxville McGhee Tyson
Mon 8/24
7:00 am-2:11 pm
2 stops7h 11m
$348
PittsburghKnoxville
PIT - TYS
PITTYS
Pittsburgh
Mon 8/17
7:59 pm-11:59 pm
1 stop4h 00m
Knoxville McGhee Tyson
Sat 8/22
7:00 am-2:11 pm
2 stops7h 11m
$348
PittsburghKnoxville
PIT - TYS
PITTYS
Pittsburgh
Thu 10/22
5:11 am-9:45 am
1 stop4h 34m
Knoxville McGhee Tyson
Mon 10/26
3:45 pm-11:30 pm
2 stops7h 45m
$348
Showing 1-10 of 19 resultsSorted by cheapest first
Compare providers for flights from Pittsburgh to Knoxville
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 Pittsburgh to Knoxville 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 Pittsburgh-Knoxville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Pittsburgh-Knoxville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Pittsburgh-Knoxville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Pittsburgh-Knoxville 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 Pittsburgh-Knoxville 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 Pittsburgh to Knoxville
Have a flexible travel schedule? Discover the best time to fly to Knoxville from Pittsburgh with our price prediction graph.
PIT-TYS
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 Pittsburgh to Knoxville
What is the cheapest month to book a flight from Pittsburgh to Knoxville?
Currently, September is the cheapest month in which you can book a flight from Pittsburgh to Knoxville (average of $276). Flying from Pittsburgh to Knoxville in July is currently the most expensive (average of $482). 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 Pittsburgh to Knoxville?
Airfare is below average for this route at the moment.
Pittsburgh to Knoxville flights typically cost between $288 and $445 in August.The cheapest round-trip price found within the last 5 days was $234 on Multiple Airlines (Aug 20-Aug 23).
Reviews of airlines servicing Knoxville
Get insights into the airlines that provide service to Knoxville. 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 Knoxville. Reviews last updated July 27, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican Airlines from Pittsburgh to Knoxville 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
7.8
Crew
8.5
Comfort
7.8
Overall
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Crew
8.5
Comfort
7.8
Overall
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Crew
8.5
Comfort
7.8
Overall
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Crew
8.5
Comfort
7.8
Overall
7.8
Boarding
8.1
Food
7.2
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
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Crossville
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Top 3 airlines flying from Pittsburgh to Knoxville
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$228 | Average$357 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$257 | Average$387 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$287 | Average$371 | FlexibilityNo cancel fee | On-time69% |