$129+ 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 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — PIT
Sep 5 — Sep 121
Round-trip
1 adult, Economy
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Find cheap flights from Knoxville to Pittsburgh with Cheapflights
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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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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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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 August 6, 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 August 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 10/93:41 pm -
1 stop7h 21m
Mon 10/127:29 pm -
1 stop22h 45m
Deal found 8/3![Allegiant Air logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 10/29:16 am -
1 stop13h 46m
Sun 10/47:30 am -
1 stop15h 33m
Deal found 7/31![Allegiant Air logo]()
$262
This Delta deal was found by Cheapflights users on 8/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:28 am -
1 stop5h 21m
Sat 9/511:06 am -
1 stop4h 24m
Deal found 8/5![Delta logo]()
$273
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 11/1911:00 am -
1 stop11h 50m
Mon 11/232:55 pm -
2 stops31h 11m
Deal found 7/31![Multiple Airlines logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 9/182:17 pm -
1 stop6h 37m
Mon 9/212:32 pm -
1 stop6h 07m
Deal found 8/1![Multiple Airlines logo]()
$277
This United Airlines deal was found by Cheapflights users on 8/5. 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 9/27:00 am -
2 stops7h 11m
Sat 9/510:45 am -
1 stop6h 13m
Deal found 8/5![United Airlines logo]()
$278
This United Airlines deal was found by Cheapflights users on 8/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:40 am -
1 stop4h 45m
Mon 8/3110:45 am -
1 stop6h 13m
Deal found 8/3![United Airlines logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:00 am -
2 stops12h 14m
Sun 10/2512:00 pm -
1 stop5h 33m
Deal found 8/4![Multiple Airlines logo]()
$289
This American Airlines deal was found by Cheapflights users on 8/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:25 pm -
1 stop4h 00m
Mon 9/77:25 pm -
1 stop3h 33m
Deal found 8/2![American Airlines logo]()
$299
This United Airlines deal was found by Cheapflights users on 8/2. 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.
Mon 8/317:00 am -
2 stops7h 11m
Mon 9/77:59 pm -
1 stop4h 00m
Deal found 8/2![United Airlines logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 -
1 stop14h 46m
Sun 8/163:15 pm -
1 stop23h 06m
Deal found 7/31![Allegiant Air logo]()
$310
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 August 6, 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 August 6, 2026.
This Delta deal was found by Cheapflights users on 8/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/59:04 am -
1 stop3h 48m
Sun 9/66:35 am -
1 stop3h 34m
Deal found 8/3![Delta logo]()
$273
This United Airlines deal was found by Cheapflights users on 8/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:00 am -
1 stop6h 15m
Mon 8/316:10 am -
2 stops7h 07m
Deal found 8/3![United Airlines logo]()
$291
This Southwest deal was found by Cheapflights users on 8/4. 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.
Wed 9/27:00 am -
2 stops8h 10m
Wed 9/912:40 pm -
2 stops7h 15m
Deal found 8/4![Southwest logo]()
$337
This Delta deal was found by Cheapflights users on 8/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2911:45 am -
1 stop3h 33m
Sat 10/316:00 am -
1 stop4h 53m
Deal found 8/4![Delta logo]()
$299
This United Airlines deal was found by Cheapflights users on 8/1. 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 8/2910:40 am -
2 stops7h 50m
Sun 8/306:10 am -
1 stop4h 27m
Deal found 8/1![United Airlines logo]()
$331
This United Airlines deal was found by Cheapflights users on 8/1. 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 8/227:00 am -
2 stops7h 11m
Tue 8/259:01 am -
2 stops7h 57m
Deal found 8/1![United Airlines logo]()
$353
This Delta deal was found by Cheapflights users on 8/1. 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 8/284:38 pm -
1 stop3h 52m
Sun 8/3011:57 am -
1 stop5h 22m
Deal found 8/1![Delta logo]()
$355
This United Airlines deal was found by Cheapflights users on 8/2. 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.
Tue 11/109:45 am -
2 stops9h 17m
Sat 11/1412:55 pm -
1 stop9h 02m
Deal found 8/2![United Airlines logo]()
$374
This United Airlines deal was found by Cheapflights users on 8/5. 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.
Mon 9/216:00 am -
2 stops8h 11m
Wed 9/2310:25 am -
2 stops12h 24m
Deal found 8/5![United Airlines logo]()
$380
This United Airlines deal was found by Cheapflights users on 8/4. 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.
Thu 10/296:45 am -
1 stop6h 21m
Sun 11/16:12 am -
1 stop4h 38m
Deal found 8/4![United Airlines logo]()
$393
Last-minute flights from Knoxville to PittsburghDiscover last-minute flight deals from Knoxville to Pittsburgh. Data last updated August 6, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Pittsburgh. Data last updated August 6, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 -
1 stop14h 46m
Sun 8/163:15 pm -
1 stop23h 06m
Deal found 7/31![Allegiant Air logo]()
$310
This United Airlines deal was found by Cheapflights users on 8/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:40 am -
1 stop4h 45m
Mon 8/3110:45 am -
1 stop6h 13m
Deal found 8/3![United Airlines logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 -
1 stop13h 00m
Sun 8/307:10 pm -
1 stop23h 53m
Deal found 8/3![Multiple Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 8/1. 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 -
1 stop4h 10m
Sun 8/3010:45 am -
1 stop6h 13m
Deal found 8/1![United Airlines logo]()
$325
This American Airlines deal was found by Cheapflights users on 8/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:25 pm -
1 stop4h 00m
Mon 9/77:25 pm -
1 stop3h 33m
Deal found 8/2![American Airlines logo]()
$299
This United Airlines deal was found by Cheapflights users on 8/2. 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.
Mon 8/317:00 am -
2 stops7h 11m
Mon 9/77:59 pm -
1 stop4h 00m
Deal found 8/2![United Airlines logo]()
$304
This Delta deal was found by Cheapflights users on 8/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:28 am -
1 stop5h 21m
Sat 9/511:06 am -
1 stop4h 24m
Deal found 8/4![Delta logo]()
$273
This United Airlines deal was found by Cheapflights users on 8/4. 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.
Wed 9/210:40 am -
2 stops7h 50m
Sat 9/56:10 am -
1 stop4h 27m
Deal found 8/4![United Airlines logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 9/182:17 pm -
1 stop6h 37m
Mon 9/212:32 pm -
1 stop6h 07m
Deal found 8/1![Multiple Airlines logo]()
$277
This Delta deal was found by Cheapflights users on 8/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:25 pm -
1 stop5h 06m
Mon 9/217:45 pm -
1 stop4h 10m
Deal found 8/4![Delta logo]()
$311
This United Airlines deal was found by Cheapflights users on 8/1. 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.
Fri 9/185:45 am -
1 stop3h 51m
Mon 9/213:20 pm -
2 stops7h 29m
Deal found 8/1![United Airlines logo]()
$316
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 August 6, 2026.
Search for one-way flight options from Knoxville to Pittsburgh. Find affordable one-way fares based on user searches. Data last updated August 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/1. 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.
Sun 9/271:19 pm -
1 stop8h 06m
Deal found 8/1![Multiple Airlines logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 10/311:52 pm -
1 stop6h 50m
Deal found 7/31![Allegiant Air logo]()
$133
This American Airlines deal was found by Cheapflights users on 8/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1911:15 am -
1 stop4h 20m
Deal found 8/5![American Airlines logo]()
$137
This United Airlines deal was found by Cheapflights users on 8/5. 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 8/197:00 am -
2 stops7h 11m
Deal found 8/5![United Airlines logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/184:59 pm -
1 stop21h 05m
Deal found 8/4![Allegiant Air logo]()
$147
This Delta deal was found by Cheapflights users on 8/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1911:50 am -
1 stop4h 45m
Deal found 8/5![Delta logo]()
$150
This United Airlines deal was found by Cheapflights users on 7/31. 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 10/316:45 am -
2 stops11h 48m
Deal found 7/31![United Airlines logo]()
$155
This Southwest deal was found by Cheapflights users on 7/31. 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 8/2812:40 pm -
1 stop6h 00m
Deal found 7/31![Southwest logo]()
$162
This United Airlines deal was found by Cheapflights users on 7/31. 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 8/287:00 am -
2 stops7h 11m
Deal found 7/31![United Airlines logo]()
$167
This Kiwi.com deal was found by Cheapflights users on 8/5. 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.
Wed 8/193:49 pm -
3 stops28h 29m
Deal found 8/5![Multiple Airlines logo]()
$173
This Southwest deal was found by Cheapflights users on 8/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:50 am -
2 stops10h 45m
Deal found 8/5![Southwest logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 8/2. 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.
Mon 8/107:30 am -
1 stop14h 46m
Deal found 8/2![Allegiant Air logo]()
$189
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 August 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $260 (Kiwi.com) |
One-way from | $129 (Kiwi.com) |
Popular in | February |
Cheapest in | October |
Average price | $436 |
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 August 6, 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
Quickest round-trip
KnoxvillePittsburgh
TYS Knoxville McGhee Tyson - PIT Pittsburgh
TYSPIT
Knoxville McGhee Tyson
Sat 9/5
9:04 am-12:52 pm
1 stop3h 48m
Pittsburgh
Sun 9/6
6:35 am-10:09 am
1 stop3h 34m
$273
KnoxvillePittsburgh
TYS Knoxville McGhee Tyson - PIT Pittsburgh
TYSPIT
Knoxville McGhee Tyson
Wed 8/19
7:00 am-1:15 pm
1 stop6h 15m
Pittsburgh
Mon 8/31
6:10 am-1:17 pm
2 stops7h 07m
$291
KnoxvillePittsburgh
TYS Knoxville McGhee Tyson - PIT Pittsburgh
TYSPIT
Knoxville McGhee Tyson
Thu 10/29
11:45 am-3:18 pm
1 stop3h 33m
Pittsburgh
Sat 10/31
6:00 am-10:53 am
1 stop4h 53m
$299
KnoxvillePittsburgh
TYS Knoxville McGhee Tyson - PIT Pittsburgh
TYSPIT
Knoxville McGhee Tyson
Sat 8/29
10:40 am-6:30 pm
2 stops7h 50m
Pittsburgh
Sun 8/30
6:10 am-10:37 am
1 stop4h 27m
$331
KnoxvillePittsburgh
TYS Knoxville McGhee Tyson - PIT Pittsburgh
TYSPIT
Knoxville McGhee Tyson
Wed 9/2
7:00 am-3:10 pm
2 stops8h 10m
Pittsburgh
Wed 9/9
12:40 pm-7:55 pm
2 stops7h 15m
$337
KnoxvillePittsburgh
TYS Knoxville McGhee Tyson - PIT Pittsburgh
TYSPIT
Knoxville McGhee Tyson
Sat 8/22
7:00 am-2:11 pm
2 stops7h 11m
Pittsburgh
Tue 8/25
9:01 am-4:58 pm
2 stops7h 57m
$353
KnoxvillePittsburgh
TYS Knoxville McGhee Tyson - PIT Pittsburgh
TYSPIT
Knoxville McGhee Tyson
Fri 8/28
4:38 pm-8:30 pm
1 stop3h 52m
Pittsburgh
Sun 8/30
11:57 am-5:19 pm
1 stop5h 22m
$355
KnoxvillePittsburgh
TYS Knoxville McGhee Tyson - PIT Pittsburgh
TYSPIT
Knoxville McGhee Tyson
Tue 11/10
9:45 am-7:02 pm
2 stops9h 17m
Pittsburgh
Sat 11/14
12:55 pm-9:57 pm
1 stop9h 02m
$374
KnoxvillePittsburgh
TYS Knoxville McGhee Tyson - PIT Pittsburgh
TYSPIT
Knoxville McGhee Tyson
Mon 9/21
6:00 am-2:11 pm
2 stops8h 11m
Pittsburgh
Wed 9/23
10:25 am-10:49 pm
2 stops12h 24m
$380
KnoxvillePittsburgh
TYS Knoxville McGhee Tyson - PIT Pittsburgh
TYSPIT
Knoxville McGhee Tyson
Thu 10/29
6:45 am-1:06 pm
1 stop6h 21m
Pittsburgh
Sun 11/1
6:12 am-10:50 am
1 stop4h 38m
$393
Showing 1-10 of 20 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 August.
| 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.
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 August 6, 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.
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Crew
8.6
Entertainment
7.5
Overall
8.0
Food
7.0
Comfort
8.0
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.
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Knoxville and Pittsburgh flights
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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 August 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$228 | Average$328 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$261 | Average$352 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$288 | Average$333 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$295 | Average$391 | FlexibilityNo cancel fee | On-time63% |