$129+ Cheap flights from Pittsburgh to Knoxville (PIT - TYS)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — TYS
Oct 11 — Oct 181
Round-trip
1 adult, Economy
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Find cheap flights from Pittsburgh to Knoxville 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 Pittsburgh to Knoxville
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Best
Last-minute
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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 September 11, 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 September 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 12/33:09 pm -
1 stop5h 22m
Sun 12/611:00 am -
1 stop10h 25m
Deal found 9/10![Multiple Airlines logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/2512:00 pm -
1 stop5h 33m
Sun 11/12:01 pm -
1 stop7h 24m
Deal found 9/10![Multiple Airlines logo]()
$254
This Delta deal was found by Cheapflights users on 9/10. 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 10/38:00 am -
1 stop6h 40m
Mon 10/57:25 pm -
1 stop5h 06m
Deal found 9/10![Delta logo]()
$273
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/77:30 am -
2 stops7h 12m
Wed 10/147:25 pm -
1 stop4h 05m
Deal found 9/7![United Airlines logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 11/124:37 pm -
1 stop5h 28m
Sun 11/153:09 pm -
2 stops29h 05m
Deal found 9/9![Multiple Airlines logo]()
$292
This Southwest deal was found by Cheapflights users on 9/7. 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 11/26:20 am -
1 stop5h 50m
Mon 11/27:25 pm -
1 stop3h 55m
Deal found 9/7![Southwest logo]()
$307
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/54:32 pm -
1 stop5h 48m
Mon 10/129:33 pm -
2 stops21h 53m
Deal found 9/7![Multiple Airlines logo]()
$309
This American Airlines deal was found by Cheapflights users on 9/9. 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 11/125:34 pm -
1 stop4h 06m
Sun 11/156:48 am -
1 stop6h 25m
Deal found 9/9![American Airlines logo]()
$310
This American Airlines deal was found by Cheapflights users on 9/6. 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.
Tue 10/205:18 pm -
1 stop5h 36m
Tue 10/277:13 pm -
1 stop4h 12m
Deal found 9/6![American Airlines logo]()
$311
This Delta deal was found by Cheapflights users on 9/10. 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.
Tue 10/65:50 am -
1 stop3h 44m
Thu 10/87:45 pm -
1 stop5h 01m
Deal found 9/10![Delta logo]()
$316
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 September 11, 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 September 11, 2026.
This Southwest deal was found by Cheapflights users on 9/9. 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 1/66:25 am -
1 stop5h 45m
Sat 1/96:55 am -
2 stops6h 25m
Deal found 9/9![Southwest logo]()
$278
This United Airlines deal was found by Cheapflights users on 9/7. 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 1/158:00 pm -
1 stop4h 05m
Fri 1/226:40 am -
2 stops7h 19m
Deal found 9/7![United Airlines logo]()
$313
This Delta deal was found by Cheapflights users on 9/7. 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.
Mon 10/55:15 pm -
1 stop4h 29m
Mon 10/127:45 pm -
1 stop5h 01m
Deal found 9/7![Delta logo]()
$321
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/37:30 am -
2 stops9h 38m
Mon 10/57:25 pm -
1 stop4h 05m
Deal found 9/9![United Airlines logo]()
$348
This Southwest deal was found by Cheapflights users on 9/7. 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 10/2312:25 pm -
2 stops9h 10m
Mon 10/267:25 pm -
2 stops14h 50m
Deal found 9/7![Southwest logo]()
$452
This United Airlines deal was found by Cheapflights users on 9/9. 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 9/233:20 pm -
2 stops7h 29m
Sat 9/265:45 am -
1 stop3h 52m
Deal found 9/9![United Airlines logo]()
$452
This Southwest deal was found by Cheapflights users on 9/10. 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.
Sun 10/2511:00 am -
2 stops11h 45m
Sun 11/17:05 am -
2 stops11h 05m
Deal found 9/10![Southwest logo]()
$478
This United Airlines deal was found by Cheapflights users on 9/7. 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 9/246:26 am -
1 stop4h 11m
Tue 9/291:55 pm -
2 stops8h 43m
Deal found 9/7![United Airlines logo]()
$469
This Southwest deal was found by Cheapflights users on 9/10. 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.
Thu 3/45:40 pm -
2 stops5h 35m
Sun 3/77:40 pm -
1 stop3h 25m
Deal found 9/10![Southwest logo]()
$481
This Southwest deal was found by Cheapflights users on 9/10. 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 10/109:30 am -
1 stop7h 15m
Sun 10/117:40 pm -
2 stops14h 25m
Deal found 9/10![Southwest logo]()
$533
Last-minute flights from Pittsburgh to KnoxvilleDiscover last-minute flight deals from Pittsburgh to Knoxville. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Pittsburgh to Knoxville. Data last updated September 11, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/10. 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 10/38:00 am -
1 stop6h 40m
Mon 10/57:25 pm -
1 stop5h 06m
Deal found 9/10![Delta logo]()
$273
This American Airlines deal was found by Cheapflights users on 9/6. 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.
Sat 10/36:33 pm -
1 stop4h 17m
Mon 10/56:05 pm -
1 stop5h 30m
Deal found 9/6![American Airlines logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/54:32 pm -
1 stop5h 48m
Mon 10/129:33 pm -
2 stops21h 53m
Deal found 9/7![Multiple Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 9/10. 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.
Tue 10/65:50 am -
1 stop3h 44m
Thu 10/87:45 pm -
1 stop5h 01m
Deal found 9/10![Delta logo]()
$316
This United Airlines deal was found by Cheapflights users on 9/7. 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 10/77:30 am -
2 stops7h 12m
Wed 10/147:25 pm -
1 stop4h 05m
Deal found 9/7![United Airlines logo]()
$278
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 10/106:00 am -
1 stop4h 33m
Sun 10/116:00 am -
1 stop4h 03m
Deal found 9/10![American Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 9/7. 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.
Mon 10/128:18 pm -
1 stop3h 37m
Fri 10/236:00 am -
1 stop4h 04m
Deal found 9/7![American Airlines logo]()
$318
This American Airlines deal was found by Cheapflights users on 9/6. 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.
Tue 10/205:18 pm -
1 stop5h 36m
Tue 10/277:13 pm -
1 stop4h 12m
Deal found 9/6![American Airlines logo]()
$311
This Southwest deal was found by Cheapflights users on 9/6. 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 10/205:40 am -
2 stops11h 00m
Tue 10/278:20 am -
2 stops10h 15m
Deal found 9/6![Southwest logo]()
$327
This Southwest deal was found by Cheapflights users on 9/8. 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 10/246:05 am -
2 stops11h 50m
Wed 10/288:20 am -
2 stops10h 15m
Deal found 9/8![Southwest logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/2512:00 pm -
1 stop5h 33m
Sun 11/12:01 pm -
1 stop7h 24m
Deal found 9/10![Multiple Airlines logo]()
$254
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 September 11, 2026.
Search for one-way flight options from Pittsburgh to Knoxville. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 10/210:25 pm -
1 stop22h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Allegiant Air logo]()
$129
This Southwest deal was found by Cheapflights users on 9/9. 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 11/72:20 pm -
1 stop3h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Southwest logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/116:45 am -
1 stop16h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Allegiant Air logo]()
$140
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/54:16 pm -
2 stops7h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![United Airlines logo]()
$142
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Sat 10/106:00 am -
1 stop4h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![American Airlines logo]()
$156
This Southwest deal was found by Cheapflights users on 9/7. 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 10/196:00 pm -
1 stop3h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Southwest logo]()
$161
This United Airlines deal was found by Cheapflights users on 9/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:30 am -
2 stops10h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![United Airlines logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/102:55 pm -
2 stops26h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 10/28:54 pm -
2 stops23h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 10/198:54 pm -
3 stops37h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$232
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 September 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $228 (Kiwi.com) |
One-way from | $129 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $336 |
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 7,457,451 searches. Data last updated September 11, 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 Pittsburgh - TYS Knoxville McGhee Tyson
PITTYS
Pittsburgh
Mon 10/5
4:32 pm-10:20 pm
1 stop5h 48m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$129
Quickest round-trip
PittsburghKnoxville
PIT Pittsburgh - TYS Knoxville McGhee Tyson
PITTYS
Pittsburgh
Sat 11/7
2:20 pm-5:40 pm
1 stop3h 20m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$137
PittsburghKnoxville
PIT Pittsburgh - TYS Knoxville McGhee Tyson
PITTYS
Pittsburgh
Sun 10/11
6:45 am-11:30 pm
1 stop16h 45m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$140
PittsburghKnoxville
PIT Pittsburgh - TYS Knoxville McGhee Tyson
PITTYS
Pittsburgh
Mon 10/5
4:16 pm-11:59 pm
2 stops7h 43m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$142
PittsburghKnoxville
PIT Pittsburgh - TYS Knoxville McGhee Tyson
PITTYS
Pittsburgh
Wed 10/14
5:00 am-8:32 am
1 stop3h 32m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$156
PittsburghKnoxville
PIT Pittsburgh - TYS Knoxville McGhee Tyson
PITTYS
Pittsburgh
Mon 10/19
6:00 pm-9:35 pm
1 stop3h 35m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$161
PittsburghKnoxville
PIT Pittsburgh - TYS Knoxville McGhee Tyson
PITTYS
Pittsburgh
Wed 10/14
9:30 am-8:19 pm
2 stops10h 49m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$166
PittsburghKnoxville
PIT Pittsburgh - TYS Knoxville McGhee Tyson
PITTYS
Pittsburgh
Mon 10/19
4:16 pm-11:59 pm
2 stops7h 43m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$166
PittsburghKnoxville
PIT Pittsburgh - TYS Knoxville McGhee Tyson
PITTYS
Pittsburgh
Sat 10/10
2:55 pm-5:21 pm
2 stops26h 26m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$199
PittsburghKnoxville
PIT Pittsburgh - TYS Knoxville McGhee Tyson
PITTYS
Pittsburgh
Mon 10/19
8:54 pm-10:05 am
3 stops37h 11m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$232
Showing 1-10 of 21 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 September.
| 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
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 September 11, 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.
Comfort
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.8
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Comfort
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.8
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Comfort
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.8
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Comfort
7.8
Crew
8.5
Entertainment
7.8
Food
7.2
Overall
7.8
Boarding
8.1
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
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Find useful and relevant information for your journey from Pittsburgh to Knoxville. 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 Knoxville?
Book flights to Knoxville if you plan to visit one of these locationsCherokee
Crossville
Morristown
Bryson City
Murphy
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Top 3 airlines flying from Pittsburgh to Knoxville
Discover the top 3 airlines that operate flights from Pittsburgh to Knoxville. 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 7,457,451 searches. Data last updated September 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$257 | Average$352 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$272 | Average$371 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$287 | Average$370 | FlexibilityNo cancel fee | On-time69% |