$126+ 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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — PIT
Jun 5 — Jun 121
Round-trip
1 adult, Economy
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Find cheap flights from Knoxville to Pittsburgh with Cheapflights
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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 May 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 May 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:55 pm
TYS
- PIT
1 stop5h 03m
Allegiant Air
Mon 8/2411:34 am
PIT
- TYS
1 stop22h 06m
Allegiant Air
Deal found 5/1![Allegiant Air logo]()
$239
This Kiwi.com deal was found by Cheapflights users on 5/3. 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.
Wed 6/102:19 pm
TYS
- PIT
1 stop20h 55m
Allegiant Air
Mon 6/156:00 am
PIT
- TYS
1 stop15h 50m
Allegiant Air
Deal found 5/3![Allegiant Air logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 5/3. 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.
Mon 6/112:55 pm
TYS
- PIT
2 stops8h 33m
Multiple Airlines
Fri 6/56:00 am
PIT
- TYS
1 stop15h 50m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Fri 5/2212:55 pm
TYS
- PIT
2 stops8h 33m
Multiple Airlines
Mon 5/256:00 am
PIT
- TYS
1 stop16h 01m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Sat 5/305:46 pm
TYS
- PIT
1 stop14h 47m
Multiple Airlines
Fri 6/56:00 am
PIT
- TYS
1 stop15h 50m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 5/3. 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.
Mon 6/16:00 am
TYS
- PIT
1 stop8h 54m
Allegiant Air
Fri 6/56:00 am
PIT
- TYS
1 stop15h 50m
Allegiant Air
Deal found 5/3![Allegiant Air logo]()
$267
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 5/158:00 am
TYS
- PIT
1 stop12h 40m
Allegiant Air
Sun 5/178:00 am
PIT
- TYS
1 stop14h 20m
Allegiant Air
Deal found 5/4![Allegiant Air logo]()
$269
This Delta deal was found by Cheapflights users on 5/4. 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.
Tue 6/27:27 am
TYS
- PIT
1 stop5h 17m
Delta
Tue 6/910:10 am
PIT
- TYS
1 stop4h 39m
Delta
Deal found 5/4![Delta logo]()
$271
This Southwest deal was found by Cheapflights users on 5/3. 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.
Tue 6/25:50 pm
TYS
- PIT
1 stop3h 30m
Southwest
Tue 6/96:30 am
PIT
- TYS
2 stops10h 30m
Southwest
Deal found 5/3![Southwest logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 8/67:45 am
TYS
- PIT
2 stops11h 24m
Multiple Airlines
Fri 8/77:30 am
PIT
- TYS
1 stop10h 55m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$277
This Delta deal was found by Cheapflights users on 5/4. 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.
Mon 6/15:59 pm
TYS
- PIT
1 stop6h 46m
Delta
Wed 6/105:46 pm
PIT
- TYS
1 stop3h 55m
Delta
Deal found 5/4![Delta logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Fri 6/57:25 am
TYS
- PIT
1 stop7h 27m
Multiple Airlines
Sun 6/75:20 pm
PIT
- TYS
2 stops23h 20m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$282
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 May 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 May 6, 2026.
This Southwest deal was found by Cheapflights users on 5/3. 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.
Tue 6/25:50 pm
TYS
- PIT
1 stop3h 30m
Southwest
Tue 6/96:30 am
PIT
- TYS
2 stops10h 30m
Southwest
Deal found 5/3![Southwest logo]()
$276
This Delta deal was found by Cheapflights users on 5/4. 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.
Mon 6/15:59 pm
TYS
- PIT
1 stop6h 46m
Delta
Wed 6/105:46 pm
PIT
- TYS
1 stop3h 55m
Delta
Deal found 5/4![Delta logo]()
$278
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 5/217:15 am
TYS
- PIT
2 stops15h 51m
Allegiant Air
Fri 5/229:29 pm
PIT
- TYS
1 stop12h 33m
Allegiant Air
Deal found 5/3![Allegiant Air logo]()
$365
This Southwest deal was found by Cheapflights users on 5/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/16:45 pm
TYS
- PIT
1 stop3h 30m
Southwest
Tue 6/212:30 pm
PIT
- TYS
2 stops8h 20m
Southwest
Deal found 5/2![Southwest logo]()
$309
This Delta deal was found by Cheapflights users on 5/2. 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 8/77:41 pm
TYS
- PIT
1 stop4h 55m
Delta
Mon 8/106:20 pm
PIT
- TYS
1 stop5h 32m
Delta
Deal found 5/2![Delta logo]()
$337
This Southwest deal was found by Cheapflights users on 5/4. 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.
Mon 6/16:45 pm
TYS
- PIT
1 stop3h 30m
Southwest
Wed 6/106:30 am
PIT
- TYS
2 stops10h 30m
Southwest
Deal found 5/4![Southwest logo]()
$324
This Southwest deal was found by Cheapflights users on 5/3. 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.
Thu 8/67:10 am
TYS
- PIT
2 stops9h 55m
Southwest
Fri 8/76:10 am
PIT
- TYS
2 stops11h 00m
Southwest
Deal found 5/3![Southwest logo]()
$347
This Southwest deal was found by Cheapflights users on 5/5. 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.
Fri 6/56:40 am
TYS
- PIT
2 stops9h 20m
Southwest
Sun 6/71:15 pm
PIT
- TYS
2 stops8h 00m
Southwest
Deal found 5/5![Southwest logo]()
$373
This Southwest deal was found by Cheapflights users on 5/4. 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 5/306:40 am
TYS
- PIT
2 stops11h 40m
Southwest
Fri 6/53:50 pm
PIT
- TYS
2 stops6h 40m
Southwest
Deal found 5/4![Southwest logo]()
$373
Last-minute flights from Knoxville to PittsburghDiscover last-minute flight deals from Knoxville to Pittsburgh. Data last updated May 6, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Pittsburgh. Data last updated May 6, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 5/158:00 am
TYS
- PIT
1 stop12h 40m
Allegiant Air
Sun 5/178:00 am
PIT
- TYS
1 stop14h 20m
Allegiant Air
Deal found 5/4![Allegiant Air logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Fri 5/2212:55 pm
TYS
- PIT
2 stops8h 33m
Multiple Airlines
Mon 5/256:00 am
PIT
- TYS
1 stop16h 01m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$255
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 5/2212:55 pm
TYS
- PIT
2 stops8h 33m
Multiple Airlines
Sun 5/243:10 pm
PIT
- TYS
1 stop23h 17m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$285
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Sat 5/305:46 pm
TYS
- PIT
1 stop14h 47m
Multiple Airlines
Fri 6/56:00 am
PIT
- TYS
1 stop15h 50m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 5/3. 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.
Mon 6/112:55 pm
TYS
- PIT
2 stops8h 33m
Multiple Airlines
Fri 6/56:00 am
PIT
- TYS
1 stop15h 50m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 5/3. 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.
Mon 6/16:00 am
TYS
- PIT
1 stop8h 54m
Allegiant Air
Fri 6/56:00 am
PIT
- TYS
1 stop15h 50m
Allegiant Air
Deal found 5/3![Allegiant Air logo]()
$267
This Delta deal was found by Cheapflights users on 5/4. 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.
Mon 6/15:59 pm
TYS
- PIT
1 stop6h 46m
Delta
Wed 6/105:46 pm
PIT
- TYS
1 stop3h 55m
Delta
Deal found 5/4![Delta logo]()
$278
This Delta deal was found by Cheapflights users on 5/4. 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.
Tue 6/27:27 am
TYS
- PIT
1 stop5h 17m
Delta
Tue 6/910:10 am
PIT
- TYS
1 stop4h 39m
Delta
Deal found 5/4![Delta logo]()
$271
This Southwest deal was found by Cheapflights users on 5/3. 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.
Tue 6/25:50 pm
TYS
- PIT
1 stop3h 30m
Southwest
Tue 6/96:30 am
PIT
- TYS
2 stops10h 30m
Southwest
Deal found 5/3![Southwest logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Fri 6/57:25 am
TYS
- PIT
1 stop7h 27m
Multiple Airlines
Sun 6/75:20 pm
PIT
- TYS
2 stops23h 20m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 5/3. 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.
Wed 6/102:19 pm
TYS
- PIT
1 stop20h 55m
Allegiant Air
Mon 6/156:00 am
PIT
- TYS
1 stop15h 50m
Allegiant Air
Deal found 5/3![Allegiant Air logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 5/4. 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.
Thu 6/112:14 pm
TYS
- PIT
1 stop18h 51m
Multiple Airlines
Sun 6/145:20 pm
PIT
- TYS
2 stops23h 20m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$291
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 May 6, 2026.
Search for one-way flight options from Knoxville to Pittsburgh. Find affordable one-way fares based on user searches. Data last updated May 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 5/1412:55 pm
TYS
- PIT
1 stop5h 42m
Allegiant Air
Deal found 5/5![Allegiant Air logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 5/2212:55 pm
TYS
- PIT
2 stops8h 33m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 5/1411:27 am
TYS
- PIT
2 stops26h 55m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 5/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/216:03 pm
TYS
- PIT
1 stop26h 36m
Allegiant Air
Deal found 5/1![Allegiant Air logo]()
$159
This Delta deal was found by Cheapflights users on 5/3. 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 6/207:15 am
TYS
- PIT
1 stop4h 29m
Delta
Deal found 5/3![Delta logo]()
$169
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 5/202:20 pm
TYS
- PIT
2 stops25h 46m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 5/226:00 am
TYS
- PIT
1 stop8h 54m
Allegiant Air
Deal found 5/1![Allegiant Air logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 5/5. 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.
Tue 5/193:48 pm
TYS
- PIT
2 stops23h 26m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$177
This United Airlines deal was found by Cheapflights users on 5/3. 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.
Sat 6/206:00 am
TYS
- PIT
2 stops8h 05m
United Airlines
Deal found 5/3![United Airlines logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 5/202:20 pm
TYS
- PIT
1 stop20h 58m
Allegiant Air
Deal found 5/5![Allegiant Air logo]()
$203
This deal was found by Cheapflights users on 5/4. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/115:45 am
TYS
- PIT
1 stop3h 55m
United Airlines
Deal found 5/4![United Airlines logo]()
$204
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 May 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $209 (Kiwi.com) |
One-way from | $126 (Kiwi.com) |
Popular in | February |
Cheapest in | September |
Average price | $284 |
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 May 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
KnoxvillePittsburgh
TYS - PIT
TYSPIT
Knoxville McGhee Tyson
Tue 6/2
5:50 pm-9:20 pm
1 stop3h 30m
Pittsburgh
Tue 6/9
6:30 am-5:00 pm
2 stops10h 30m
$276
KnoxvillePittsburgh
TYS - PIT
TYSPIT
Knoxville McGhee Tyson
Mon 6/1
5:59 pm-12:45 am
1 stop6h 46m
Pittsburgh
Wed 6/10
5:46 pm-9:41 pm
1 stop3h 55m
$278
KnoxvillePittsburgh
TYS - PIT
TYSPIT
Knoxville McGhee Tyson
Mon 6/1
6:45 pm-10:15 pm
1 stop3h 30m
Pittsburgh
Tue 6/2
12:30 pm-8:50 pm
2 stops8h 20m
$309
KnoxvillePittsburgh
TYS - PIT
TYSPIT
Knoxville McGhee Tyson
Mon 6/1
6:45 pm-10:15 pm
1 stop3h 30m
Pittsburgh
Wed 6/10
6:30 am-5:00 pm
2 stops10h 30m
$324
Quickest round-trip
KnoxvillePittsburgh
TYS - PIT
TYSPIT
Knoxville McGhee Tyson
Fri 8/7
7:41 pm-12:36 am
1 stop4h 55m
Pittsburgh
Mon 8/10
6:20 pm-11:52 pm
1 stop5h 32m
$337
KnoxvillePittsburgh
TYS - PIT
TYSPIT
Knoxville McGhee Tyson
Thu 8/6
7:10 am-5:05 pm
2 stops9h 55m
Pittsburgh
Fri 8/7
6:10 am-5:10 pm
2 stops11h 00m
$347
KnoxvillePittsburgh
TYS - PIT
TYSPIT
Knoxville McGhee Tyson
Thu 5/21
7:15 am-11:06 pm
2 stops15h 51m
Pittsburgh
Fri 5/22
9:29 pm-10:02 am
1 stop12h 33m
$365
KnoxvillePittsburgh
TYS - PIT
TYSPIT
Knoxville McGhee Tyson
Fri 6/5
6:40 am-4:00 pm
2 stops9h 20m
Pittsburgh
Sun 6/7
1:15 pm-9:15 pm
2 stops8h 00m
$373
KnoxvillePittsburgh
TYS - PIT
TYSPIT
Knoxville McGhee Tyson
Sat 5/30
6:40 am-6:20 pm
2 stops11h 40m
Pittsburgh
Fri 6/5
3:50 pm-10:30 pm
2 stops6h 40m
$373
Cheapest one-way
KnoxvillePittsburgh
TYS - PIT
TYSPIT
Knoxville McGhee Tyson
Thu 5/14
11:27 am-2:22 pm
2 stops26h 55m
$146
Showing 1-10 of 19 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 May.
| 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 May 6, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican 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
7.8
Comfort
7.9
Overall
7.9
Boarding
8.1
Food
7.2
Crew
8.5
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Entertainment
7.8
Comfort
7.9
Overall
7.9
Boarding
8.1
Food
7.2
Crew
8.5
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Entertainment
7.8
Comfort
7.9
Overall
7.9
Boarding
8.1
Food
7.2
Crew
8.5
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Entertainment
7.8
Comfort
7.9
Overall
7.9
Boarding
8.1
Food
7.2
Crew
8.5
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
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 locationsMars
Chester
Steubenville
Washington
Monroeville
Wexford
Belle Vernon
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Knoxville and Pittsburgh flights
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Top 3 airlines flying from Knoxville to Pittsburgh
Discover the top 3 airlines that operate flights from Knoxville to Pittsburgh. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$228 | Average$288 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$228 | Average$288 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$257 | Average$316 | FlexibilityNo cancel fee | On-time69% |