$35+ Cheap flights from Pennsylvania to Knoxville (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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — TYS
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from Pennsylvania 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 Pennsylvania to Knoxville
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Cheapest flights from Pennsylvania to KnoxvilleExplore the most affordable flight options available from Pennsylvania to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from Pennsylvania to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This CheapOair deal was found by Cheapflights users on 9/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:01 am -
Nonstop1h 28m
Sun 10/256:00 am -
Nonstop1h 26m
Deal found 9/16![Allegiant Air logo]()
$79
This CheapOair deal was found by Cheapflights users on 9/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:16 am -
Nonstop1h 28m
Thu 11/57:45 am -
Nonstop1h 28m
Deal found 9/16![Allegiant Air logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/183:53 pm -
Nonstop1h 28m
Thu 10/227:45 am -
Nonstop1h 26m
Deal found 9/15![Allegiant Air logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2910:01 am -
Nonstop1h 28m
Sun 11/16:00 am -
Nonstop1h 26m
Deal found 9/16![Allegiant Air logo]()
$87
This CheapOair deal was found by Cheapflights users on 9/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/264:52 pm -
Nonstop2h 00m
Fri 10/3012:57 pm -
Nonstop1h 50m
Deal found 9/12![Allegiant Air logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/183:53 pm -
Nonstop1h 28m
Sun 10/256:00 am -
Nonstop1h 26m
Deal found 9/15![Allegiant Air logo]()
$101
This CheapOair deal was found by Cheapflights users on 9/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:31 pm -
Nonstop2h 00m
Fri 10/163:54 pm -
Nonstop1h 50m
Deal found 9/13![Allegiant Air logo]()
$101
This Mytrip deal was found by Cheapflights users on 9/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/510:03 am -
Nonstop1h 35m
Sun 11/87:30 am -
Nonstop1h 28m
Deal found 9/12![Allegiant Air logo]()
$102
This CheapOair deal was found by Cheapflights users on 9/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:21 pm -
Nonstop2h 00m
Fri 10/2312:57 pm -
Nonstop1h 50m
Deal found 9/13![Allegiant Air logo]()
$102
This CheapOair deal was found by Cheapflights users on 9/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:01 pm -
Nonstop1h 32m
Sun 11/226:13 pm -
Nonstop1h 29m
Deal found 9/12![Allegiant Air logo]()
$114
This CheapOair deal was found by Cheapflights users on 9/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/133:57 pm -
Nonstop2h 00m
Fri 11/2012:38 pm -
Nonstop1h 52m
Deal found 9/13![Allegiant Air logo]()
$114
This CheapOair deal was found by Cheapflights users on 9/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:21 pm -
Nonstop2h 00m
Fri 10/96:55 pm -
Nonstop1h 50m
Deal found 9/15![Allegiant Air logo]()
$118
Best flights from Pennsylvania to KnoxvilleDiscover carefully curated flight deals from Pennsylvania to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from Pennsylvania to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/56:37 pm -
Nonstop1h 42m
Sat 10/107:25 pm -
Nonstop1h 44m
Deal found 9/15![United Airlines logo]()
$170
This Southwest deal was found by Cheapflights users on 9/15. 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 10/267:15 pm -
1 stop3h 30m
Thu 10/297:25 pm -
1 stop3h 40m
Deal found 9/15![Southwest logo]()
$204
This Delta deal was found by Cheapflights users on 9/16. 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 10/2912:31 pm -
1 stop6h 16m
Sun 11/15:40 am -
1 stop3h 30m
Deal found 9/16![Delta logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 10/197:38 pm -
1 stop22h 36m
Sat 10/241:52 pm -
1 stop6h 50m
Deal found 9/12![Allegiant Air logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/219:50 am -
2 stops25h 39m
Fri 10/239:28 pm -
1 stop11h 42m
Deal found 9/13![Multiple Airlines logo]()
$384
This American Airlines deal was found by Cheapflights users on 9/12. 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 12/289:46 am -
1 stop4h 33m
Fri 1/16:22 pm -
1 stop4h 27m
Deal found 9/12![American Airlines logo]()
$430
This Southwest deal was found by Cheapflights users on 9/16. 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 11/73:50 pm -
1 stop4h 00m
Mon 2/227:55 am -
1 stop3h 50m
Deal found 9/16![Southwest logo]()
$220
This United Airlines deal was found by Cheapflights users on 9/16. 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 11/77:00 am -
2 stops7h 48m
Mon 2/227:35 pm -
1 stop3h 47m
Deal found 9/16![United Airlines logo]()
$225
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/279:40 am -
Nonstop1h 50m
Wed 11/45:45 am -
Nonstop1h 43m
Deal found 9/16![United Airlines logo]()
$229
This Southwest deal was found by Cheapflights users on 9/15. 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 11/125:50 am -
2 stops11h 00m
Mon 11/165:15 pm -
1 stop3h 50m
Deal found 9/15![Southwest logo]()
$251
This Delta deal was found by Cheapflights users on 9/15. 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 10/226:00 am -
1 stop4h 54m
Thu 10/2910:29 am -
1 stop6h 41m
Deal found 9/15![Delta logo]()
$290
This Delta deal was found by Cheapflights users on 9/16. 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.
Sun 10/257:45 am -
1 stop5h 55m
Thu 10/296:23 pm -
1 stop6h 13m
Deal found 9/16![Delta logo]()
$290
This Southwest deal was found by Cheapflights users on 9/16. 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 12/22:55 pm -
1 stop4h 55m
Sat 12/52:50 pm -
1 stop4h 10m
Deal found 9/16![Southwest logo]()
$264
This Southwest deal was found by Cheapflights users on 9/14. 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 10/66:00 am -
1 stop10h 40m
Thu 10/87:25 pm -
1 stop3h 40m
Deal found 9/14![Southwest logo]()
$287
This United Airlines deal was found by Cheapflights users on 9/13. 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 11/219:40 am -
Nonstop1h 50m
Mon 11/237:35 pm -
Nonstop1h 40m
Deal found 9/13![United Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 9/12. 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 10/2811:30 am -
1 stop5h 58m
Sat 10/315:40 am -
1 stop6h 20m
Deal found 9/12![Delta logo]()
$339
This Southwest deal was found by Cheapflights users on 9/14. 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 10/307:15 pm -
1 stop3h 30m
Mon 11/27:25 pm -
1 stop3h 30m
Deal found 9/14![Southwest logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 9/286:29 pm -
1 stop20h 50m
Fri 10/29:56 pm -
1 stop13h 07m
Deal found 9/13![Allegiant Air logo]()
$440
This Delta deal was found by Cheapflights users on 9/16. 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 10/211:10 pm -
1 stop5h 37m
Sat 10/245:40 am -
1 stop4h 46m
Deal found 9/16![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/1410:28 am -
1 stop4h 14m
Tue 10/209:45 am -
1 stop4h 27m
Deal found 9/14![United Airlines logo]()
$339
This Southwest deal was found by Cheapflights users on 9/14. 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 10/255:45 pm -
1 stop3h 40m
Sat 10/316:40 am -
2 stops7h 10m
Deal found 9/14![Southwest logo]()
$302
This Delta deal was found by Cheapflights users on 9/12. 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 10/246:00 am -
1 stop4h 53m
Wed 10/287:09 am -
1 stop4h 51m
Deal found 9/12![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:59 pm -
1 stop4h 00m
Sat 11/75:45 am -
1 stop4h 17m
Deal found 9/13![United Airlines logo]()
$339
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/38:30 am -
1 stop9h 51m
Sun 10/119:39 pm -
1 stop20h 48m
Deal found 9/16![Allegiant Air logo]()
$479
This American Airlines deal was found by Cheapflights users on 9/12. 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 10/66:43 am -
1 stop3h 50m
Wed 10/712:53 pm -
1 stop5h 43m
Deal found 9/12![American Airlines logo]()
$537
This Delta deal was found by Cheapflights users on 9/13. 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 10/148:35 am -
1 stop5h 05m
Sat 10/175:40 am -
1 stop4h 46m
Deal found 9/13![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/12. 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 10/1012:55 pm -
Nonstop1h 47m
Mon 10/125:45 am -
Nonstop1h 40m
Deal found 9/12![United Airlines logo]()
$343
This Southwest deal was found by Cheapflights users on 9/13. 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 10/293:25 pm -
2 stops7h 20m
Thu 11/57:05 am -
2 stops8h 35m
Deal found 9/13![Southwest logo]()
$312
This Delta deal was found by Cheapflights users on 9/12. 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 10/275:30 pm -
1 stop4h 52m
Tue 11/32:38 pm -
1 stop5h 46m
Deal found 9/12![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/13. 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 10/1310:13 pm -
Nonstop1h 46m
Tue 10/2010:42 am -
1 stop5h 19m
Deal found 9/13![United Airlines logo]()
$347
Last-minute flights from Pennsylvania to KnoxvilleDiscover last-minute flight deals from Pennsylvania to Knoxville. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Pennsylvania to Knoxville. Data last updated September 17, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/311:00 am -
Nonstop2h 02m
Wed 10/219:10 am -
Nonstop1h 55m
Deal found 9/15![Allegiant Air logo]()
$121
This CheapOair deal was found by Cheapflights users on 9/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:21 pm -
Nonstop2h 00m
Fri 10/2312:57 pm -
Nonstop1h 50m
Deal found 9/13![Allegiant Air logo]()
$102
This CheapOair deal was found by Cheapflights users on 9/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:21 pm -
Nonstop2h 00m
Fri 10/96:55 pm -
Nonstop1h 50m
Deal found 9/15![Allegiant Air logo]()
$118
This CheapOair deal was found by Cheapflights users on 9/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:31 pm -
Nonstop2h 00m
Fri 10/163:54 pm -
Nonstop1h 50m
Deal found 9/13![Allegiant Air logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/183:53 pm -
Nonstop1h 28m
Thu 10/227:45 am -
Nonstop1h 26m
Deal found 9/15![Allegiant Air logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/183:53 pm -
Nonstop1h 28m
Sun 10/256:00 am -
Nonstop1h 26m
Deal found 9/15![Allegiant Air logo]()
$101
This CheapOair deal was found by Cheapflights users on 9/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2111:55 am -
Nonstop2h 03m
Wed 10/289:10 am -
Nonstop1h 55m
Deal found 9/13![Allegiant Air logo]()
$128
This CheapOair deal was found by Cheapflights users on 9/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:01 am -
Nonstop1h 28m
Sun 10/256:00 am -
Nonstop1h 26m
Deal found 9/16![Allegiant Air logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:01 am -
Nonstop1h 28m
Thu 10/2912:19 pm -
1 stop27h 49m
Deal found 9/12![Allegiant Air logo]()
$129
This CheapOair deal was found by Cheapflights users on 9/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/264:52 pm -
Nonstop2h 00m
Fri 10/3012:57 pm -
Nonstop1h 50m
Deal found 9/12![Allegiant Air logo]()
$87
This Kiwi.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2910:01 am -
Nonstop1h 28m
Sun 11/16:00 am -
Nonstop1h 26m
Deal found 9/16![Allegiant Air logo]()
$87
This CheapOair deal was found by Cheapflights users on 9/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/309:55 am -
Nonstop2h 04m
Wed 11/49:10 am -
Nonstop1h 55m
Deal found 9/16![Allegiant Air logo]()
$123
One-way flights from Pennsylvania to KnoxvilleSearch for one-way flight options from Pennsylvania to Knoxville. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from Pennsylvania to Knoxville. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This CheapOair deal was found by Cheapflights users on 9/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/44:40 pm -
Nonstop2h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Allegiant Air logo]()
$35
This CheapOair deal was found by Cheapflights users on 9/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/144:40 pm -
Nonstop2h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Allegiant Air logo]()
$41
This CheapOair deal was found by Cheapflights users on 9/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/114:40 pm -
Nonstop2h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Allegiant Air logo]()
$49
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 9/215:34 pm -
Nonstop2h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Allegiant Air logo]()
$52
This Kiwi.com deal was found by Cheapflights users on 9/17. 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 10/197:21 pm -
Nonstop2h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Allegiant Air logo]()
$54
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 11/133:57 pm -
Nonstop2h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Allegiant Air logo]()
$55
This CheapOair deal was found by Cheapflights users on 9/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2111:55 am -
Nonstop2h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Allegiant Air logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 10/311:00 am -
Nonstop2h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Allegiant Air logo]()
$61
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 11/165:01 pm -
Nonstop2h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Allegiant Air logo]()
$63
This CheapOair deal was found by Cheapflights users on 9/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1010:55 am -
Nonstop2h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Allegiant Air logo]()
$68
This CheapOair deal was found by Cheapflights users on 9/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/139:55 am -
Nonstop2h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Allegiant Air logo]()
$79
This Southwest deal was found by Cheapflights users on 9/14. 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 10/276:05 am -
1 stop6h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Southwest logo]()
$90
Find flight deals from Pennsylvania to Knoxville
Keep the following information in mind while searching for Pennsylvania to Knoxville flight deals. Data was last updated September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $79 (CheapOair) |
One-way from | $35 (CheapOair) |
Popular in | January |
Cheapest in | August |
Average price | $426 |
Good round-trip deal | $134 or less |
Good one-way deal | $69 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Pennsylvania 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 17, 2026.
Use the filters below to find and compare flights from Pennsylvania 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
Tue 10/6
6:00 am-10:20 am
1 stop4h 20m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$104
New YorkKnoxville
LGA New York LaGuardia - TYS Knoxville McGhee Tyson
LGATYS
New York LaGuardia
Sat 11/14
6:35 am-2:10 pm
1 stop7h 35m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$112
PittsburghKnoxville
PIT Pittsburgh - TYS Knoxville McGhee Tyson
PITTYS
Pittsburgh
Thu 12/10
6:00 am-10:01 am
1 stop4h 01m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$117
PhiladelphiaKnoxville
PHL Philadelphia - TYS Knoxville McGhee Tyson
PHLTYS
Philadelphia
Thu 11/12
12:36 pm-10:05 pm
2 stops9h 29m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$118
Washington, D.C.Knoxville
DCA Washington, D.C. Reagan-National - TYS Knoxville McGhee Tyson
DCATYS
Washington, D.C. Reagan-National
Thu 11/26
6:00 am-9:50 am
1 stop3h 50m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$143
PhiladelphiaKnoxville
PHL Philadelphia - TYS Knoxville McGhee Tyson
PHLTYS
Philadelphia
Mon 11/16
6:25 am-4:40 pm
1 stop10h 15m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$156
PhiladelphiaKnoxville
PHL Philadelphia - TYS Knoxville McGhee Tyson
PHLTYS
Philadelphia
Mon 12/14
5:25 am-2:05 pm
2 stops8h 40m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$156
PittsburghKnoxville
PIT Pittsburgh - TYS Knoxville McGhee Tyson
PITTYS
Pittsburgh
Sat 10/3
6:17 pm-8:05 am
1 stop13h 48m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$160
PhiladelphiaKnoxville
PHL Philadelphia - TYS Knoxville McGhee Tyson
PHLTYS
Philadelphia
Fri 12/11
7:05 pm-3:16 pm
1 stop20h 11m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$170
New YorkKnoxville
LGA New York LaGuardia - TYS Knoxville McGhee Tyson
LGATYS
New York LaGuardia
Fri 11/13
6:30 am-3:00 pm
1 stop8h 30m
Knoxville McGhee Tyson
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$170
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Pennsylvania to Knoxville
Have a flexible travel schedule? Discover the best time to fly to Knoxville from Pennsylvania with our price prediction graph.
PHL-TYS
EWR-TYS
DCA-TYS
IAD-TYS
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 Pennsylvania to Knoxville
USPA-TYS
PHL-TYS
EWR-TYS
DCA-TYS
IAD-TYS
What is the cheapest month to book a flight from Pennsylvania to Knoxville?
Currently, August is the cheapest month in which you can book a flight from Pennsylvania to Knoxville (average of $276). Flying from Pennsylvania to Knoxville in January is currently the most expensive (average of $508). 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.
What is the cheapest time of day to fly from PA to TYS?
Find hourly flight availability from Pennsylvania to Knoxville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2026.
When flying from Pennsylvania to Knoxville, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 69% versus a flight in the morning.
Weekly flight availability from Pennsylvania to Knoxville
Explore weekly flight availability from Pennsylvania to Knoxville. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated September 17, 2026.
The most flights from USPA to TYS are scheduled on a Monday (9 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).
How much does it cost to fly round-trip from Pennsylvania to Knoxville?
Airfare is below average for this route at the moment.
Pennsylvania to Knoxville flights typically cost between $162 and $519 in October.The cheapest round-trip price found within the last 5 days was $87 on Allegiant Air (Oct 26-Oct 30).
How far ahead should I book a flight from Pennsylvania to Knoxville?
The best time to book flights from Pennsylvania to Knoxville is 84 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Related info for your journey
Find useful and relevant information for your journey from Pennsylvania 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
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Pennsylvania to Knoxville
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Complete your trip
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Search flights from Pennsylvania to Knoxville by cabin class
Find flights from Pennsylvania to Knoxville, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Knoxville
Explore flights to Knoxville departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 17, 2026.
Pennsylvania and Knoxville flights
Browse other Pennsylvania and Knoxville flight options. Last updated on September 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Pennsylvania to Knoxville flights
Consider these flights traveling from Pennsylvania to Knoxville.
Top 5 airlines flying from Pennsylvania to Knoxville
Discover the top 5 airlines that operate flights from Pennsylvania 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 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$83 | Average$250 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$186 | Average$484 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$228 | Average$462 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$235 | Average$426 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$265 | Average$400 | FlexibilityNo cancel fee | On-time63% |