$45+ Cheap flights from Houston to Knoxville (TYS)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/15. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — TYS
Jun 19 — Jun 261
Round-trip
1 adult, Economy
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Find cheap flights from Houston 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.Cheapflights Tip: The best prices from Houston to Knoxville McGhee Tyson are usually found in August or June, booked 88 days in advance, depart on a Tuesday or Monday and return on a Sunday
Cheap flight deals from Houston to Knoxville
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Best
Last-minute
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Cheapest flights from Houston to KnoxvilleExplore the most affordable flight options available from Houston to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 20, 2026.
Explore the most affordable flight options available from Houston to Knoxville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 20, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 5/15. 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.
Mon 6/157:31 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Mon 6/295:30 pm
TYS
- HOU
Nonstop2h 11m
Allegiant Air
Deal found 5/15![Allegiant Air logo]()
$84
This Cheapflightsfares deal was found by Cheapflights users on 5/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/247:39 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Mon 7/275:32 pm
TYS
- HOU
Nonstop2h 17m
Allegiant Air
Deal found 5/16![Allegiant Air logo]()
$90
This Cheapflightsfares deal was found by Cheapflights users on 5/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/207:39 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Fri 7/245:32 pm
TYS
- HOU
Nonstop2h 17m
Allegiant Air
Deal found 5/16![Allegiant Air logo]()
$97
This Cheapflightsfares deal was found by Cheapflights users on 5/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/284:27 pm
HOU
- TYS
Nonstop2h 07m
Allegiant Air
Fri 10/212:57 pm
TYS
- HOU
Nonstop2h 17m
Allegiant Air
Deal found 5/17![Allegiant Air logo]()
$107
This Cheapflightsfares deal was found by Cheapflights users on 5/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:32 pm
HOU
- TYS
Nonstop2h 07m
Allegiant Air
Mon 9/71:22 pm
TYS
- HOU
Nonstop2h 20m
Allegiant Air
Deal found 5/16![Allegiant Air logo]()
$112
This Super.com deal was found by Cheapflights users on 5/19. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:39 pm
HOU
- TYS
Nonstop2h 03m
Allegiant Air
Mon 6/85:30 pm
TYS
- HOU
Nonstop2h 11m
Allegiant Air
Deal found 5/19![Allegiant Air logo]()
$131
This Cheapflightsfares deal was found by Cheapflights users on 5/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/157:31 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Fri 6/195:43 pm
TYS
- HOU
Nonstop2h 11m
Allegiant Air
Deal found 5/16![Allegiant Air logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 6/258:02 pm
IAH
- TYS
2 stops24h 48m
Multiple Airlines
Mon 6/2910:03 pm
TYS
- IAH
1 stop11h 44m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$229
This Booking.com deal was found by Cheapflights users on 5/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:30 am
IAH
- TYS
1 stop12h 06m
Frontier
Wed 7/298:32 pm
TYS
- IAH
1 stop25h 41m
Frontier
Deal found 5/17![Frontier logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 5/16. 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.
Sun 8/168:20 am
IAH
- TYS
1 stop23h 16m
Multiple Airlines
Thu 8/204:52 pm
TYS
- IAH
1 stop22h 59m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$237
This Kiwi.com deal was found by Cheapflights users on 5/17. 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.
Tue 9/298:44 pm
IAH
- TYS
2 stops33h 54m
Multiple Airlines
Tue 10/69:00 am
TYS
- IAH
1 stop13h 00m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$250
This Booking.com deal was found by Cheapflights users on 5/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/136:30 am
IAH
- TYS
1 stop12h 06m
Frontier
Wed 7/158:32 pm
TYS
- IAH
1 stop15h 02m
Frontier
Deal found 5/16![Frontier logo]()
$261
Best flights from Houston to KnoxvilleDiscover carefully curated flight deals from Houston to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 20, 2026.
Discover carefully curated flight deals from Houston to Knoxville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 20, 2026.
This Delta deal was found by Cheapflights users on 5/20. 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 8/146:00 am
HOU
- TYS
1 stop4h 11m
Delta
Mon 8/175:45 am
TYS
- HOU
1 stop5h 05m
Delta
Deal found 5/20![Delta logo]()
$289
This Southwest deal was found by Cheapflights users on 5/19. 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 7/1512:45 pm
HOU
- TYS
1 stop6h 35m
Southwest
Fri 7/177:45 pm
TYS
- HOU
1 stop6h 00m
Southwest
Deal found 5/19![Southwest logo]()
$309
This United Airlines deal was found by Cheapflights users on 5/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/257:50 pm
IAH
- TYS
Nonstop2h 22m
United Airlines
Tue 6/307:15 am
TYS
- IAH
Nonstop2h 25m
United Airlines
Deal found 5/17![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 5/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2510:09 am
HOU
- TYS
1 stop6h 06m
Delta
Tue 6/305:40 am
TYS
- HOU
1 stop4h 34m
Delta
Deal found 5/17![Delta logo]()
$289
This Southwest deal was found by Cheapflights users on 5/19. 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 7/1511:05 am
HOU
- TYS
2 stops8h 15m
Southwest
Fri 7/247:45 pm
TYS
- HOU
1 stop6h 00m
Southwest
Deal found 5/19![Southwest logo]()
$314
This Delta deal was found by Cheapflights users on 5/18. 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 6/266:03 am
HOU
- TYS
1 stop4h 06m
Delta
Mon 6/2911:55 am
TYS
- HOU
1 stop5h 28m
Delta
Deal found 5/18![Delta logo]()
$289
This Delta deal was found by Cheapflights users on 5/19. 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 6/265:40 am
IAH
- TYS
1 stop4h 29m
Delta
Tue 6/305:40 am
TYS
- IAH
1 stop3h 57m
Delta
Deal found 5/19![Delta logo]()
$289
This Southwest deal was found by Cheapflights users on 5/15. 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.
Sat 7/1111:20 am
HOU
- TYS
1 stop7h 15m
Southwest
Sat 7/186:55 pm
TYS
- HOU
1 stop5h 50m
Southwest
Deal found 5/15![Southwest logo]()
$339
This Delta deal was found by Cheapflights users on 5/19. 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 7/155:20 pm
IAH
- TYS
1 stop5h 32m
Delta
Fri 7/245:40 am
TYS
- IAH
1 stop3h 55m
Delta
Deal found 5/19![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 5/18. 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 6/257:50 pm
IAH
- TYS
Nonstop2h 22m
United Airlines
Mon 6/297:15 am
TYS
- IAH
Nonstop2h 25m
United Airlines
Deal found 5/18![United Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 5/19. 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 7/287:50 pm
IAH
- TYS
Nonstop2h 22m
United Airlines
Tue 8/46:00 am
TYS
- IAH
1 stop5h 36m
United Airlines
Deal found 5/19![United Airlines logo]()
$389
This Southwest deal was found by Cheapflights users on 5/16. 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.
Fri 7/245:05 am
HOU
- TYS
1 stop7h 40m
Southwest
Mon 7/276:40 am
TYS
- HOU
2 stops6h 20m
Southwest
Deal found 5/16![Southwest logo]()
$372
This United Airlines deal was found by Cheapflights users on 5/15. 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.
Fri 7/37:50 pm
IAH
- TYS
Nonstop2h 22m
United Airlines
Fri 7/107:15 am
TYS
- IAH
Nonstop2h 25m
United Airlines
Deal found 5/15![United Airlines logo]()
$404
This Southwest deal was found by Cheapflights users on 5/18. 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 6/1612:30 pm
HOU
- TYS
2 stops7h 45m
Southwest
Tue 6/236:55 pm
TYS
- HOU
1 stop5h 45m
Southwest
Deal found 5/18![Southwest logo]()
$388
This Delta deal was found by Cheapflights users on 5/19. 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 6/135:17 pm
IAH
- TYS
1 stop5h 45m
Delta
Sat 6/207:35 am
TYS
- IAH
1 stop7h 03m
Delta
Deal found 5/19![Delta logo]()
$364
This United Airlines deal was found by Cheapflights users on 5/18. 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 6/27:50 pm
IAH
- TYS
Nonstop2h 22m
United Airlines
Sat 6/66:00 am
TYS
- IAH
1 stop6h 51m
United Airlines
Deal found 5/18![United Airlines logo]()
$409
This Southwest deal was found by Cheapflights users on 5/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/2511:20 am
HOU
- TYS
1 stop7h 15m
Southwest
Mon 7/277:45 pm
TYS
- HOU
1 stop6h 00m
Southwest
Deal found 5/17![Southwest logo]()
$388
This United Airlines deal was found by Cheapflights users on 5/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/267:50 pm
IAH
- TYS
Nonstop2h 22m
United Airlines
Sun 7/127:15 am
TYS
- IAH
Nonstop2h 25m
United Airlines
Deal found 5/17![United Airlines logo]()
$426
This Southwest deal was found by Cheapflights users on 5/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/283:45 pm
HOU
- TYS
1 stop4h 30m
Southwest
Mon 6/297:45 pm
TYS
- HOU
1 stop6h 00m
Southwest
Deal found 5/17![Southwest logo]()
$396
This United Airlines deal was found by Cheapflights users on 5/15. 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 7/207:50 pm
IAH
- TYS
Nonstop2h 22m
United Airlines
Fri 7/247:15 am
TYS
- IAH
Nonstop2h 25m
United Airlines
Deal found 5/15![United Airlines logo]()
$462
This United Airlines deal was found by Cheapflights users on 5/16. 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.
Mon 6/87:50 pm
IAH
- TYS
Nonstop2h 22m
United Airlines
Mon 6/154:56 pm
TYS
- IAH
1 stop8h 45m
United Airlines
Deal found 5/16![United Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 5/18. 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 6/117:50 pm
IAH
- TYS
Nonstop2h 22m
United Airlines
Tue 6/167:15 am
TYS
- IAH
Nonstop2h 25m
United Airlines
Deal found 5/18![United Airlines logo]()
$499
Last-minute flights from Houston to KnoxvilleDiscover last-minute flight deals from Houston to Knoxville. Data last updated May 20, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to Knoxville. Data last updated May 20, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 5/15. 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.
Fri 5/227:39 pm
HOU
- TYS
Nonstop2h 03m
Allegiant Air
Fri 5/295:30 pm
TYS
- HOU
Nonstop2h 19m
Allegiant Air
Deal found 5/15![Allegiant Air logo]()
$171
This Cheapflightsfares deal was found by Cheapflights users on 5/20. 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.
Fri 5/297:39 pm
HOU
- TYS
Nonstop2h 03m
Allegiant Air
Mon 6/15:30 pm
TYS
- HOU
Nonstop2h 19m
Allegiant Air
Deal found 5/20![Allegiant Air logo]()
$225
This Super.com deal was found by Cheapflights users on 5/19. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:39 pm
HOU
- TYS
Nonstop2h 03m
Allegiant Air
Mon 6/85:30 pm
TYS
- HOU
Nonstop2h 11m
Allegiant Air
Deal found 5/19![Allegiant Air logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 5/17. 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.
Tue 6/28:39 am
IAH
- TYS
1 stop6h 36m
Multiple Airlines
Tue 6/94:45 pm
TYS
- IAH
2 stops18h 22m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$272
This Super.com deal was found by Cheapflights users on 5/18. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/57:31 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Mon 6/85:30 pm
TYS
- HOU
Nonstop2h 11m
Allegiant Air
Deal found 5/18![Allegiant Air logo]()
$147
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 6/58:39 am
IAH
- TYS
1 stop22h 56m
Multiple Airlines
Wed 6/101:02 pm
TYS
- IAH
1 stop27h 25m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$277
This Cheapflightsfares deal was found by Cheapflights users on 5/19. 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.
Mon 6/87:31 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Mon 6/155:30 pm
TYS
- HOU
Nonstop2h 11m
Allegiant Air
Deal found 5/19![Allegiant Air logo]()
$144
This Booking.com deal was found by Cheapflights users on 5/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/126:30 am
IAH
- TYS
1 stop12h 07m
Frontier
Wed 6/178:32 pm
TYS
- IAH
1 stop25h 41m
Frontier
Deal found 5/15![Frontier logo]()
$285
This Cheapflightsfares deal was found by Cheapflights users on 5/20. 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.
Mon 6/157:31 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Fri 6/195:43 pm
TYS
- HOU
Nonstop2h 11m
Allegiant Air
Deal found 5/20![Allegiant Air logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 6/258:02 pm
IAH
- TYS
2 stops24h 48m
Multiple Airlines
Mon 6/2910:03 pm
TYS
- IAH
1 stop11h 44m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$229
This Frontier deal was found by Cheapflights users on 5/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/2510:08 pm
IAH
- TYS
1 stop20h 29m
Frontier
Mon 6/298:32 pm
TYS
- IAH
1 stop15h 10m
Frontier
Deal found 5/19![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 6/267:31 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Mon 6/295:30 pm
TYS
- HOU
Nonstop2h 11m
Allegiant Air
Deal found 5/18![Allegiant Air logo]()
$153
One-way flights from Houston to KnoxvilleSearch for one-way flight options from Houston to Knoxville. Find affordable one-way fares based on user searches. Data last updated May 20, 2026.
Search for one-way flight options from Houston to Knoxville. Find affordable one-way fares based on user searches. Data last updated May 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/16. 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.
Mon 6/157:31 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Deal found 5/16![Allegiant Air logo]()
$45
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 11/132:59 pm
HOU
- TYS
Nonstop2h 07m
Allegiant Air
Deal found 5/19![Allegiant Air logo]()
$60
This Super.com deal was found by Cheapflights users on 5/19. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/17:39 pm
HOU
- TYS
Nonstop2h 03m
Allegiant Air
Deal found 5/19![Allegiant Air logo]()
$79
This Trip.com deal was found by Cheapflights users on 5/20. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/57:31 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Deal found 5/20![Allegiant Air logo]()
$88
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 5/257:39 pm
HOU
- TYS
Nonstop2h 03m
Allegiant Air
Deal found 5/18![Allegiant Air logo]()
$93
This Kiwi.com deal was found by Cheapflights users on 5/16. 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.
Fri 6/267:31 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Deal found 5/16![Allegiant Air logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 9/253:41 pm
HOU
- TYS
Nonstop2h 07m
Allegiant Air
Deal found 5/18![Allegiant Air logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 5/16. 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 10/311:35 pm
IAH
- TYS
2 stops20h 09m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$113
This Expedia deal was found by Cheapflights users on 5/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/86:30 am
IAH
- TYS
1 stop12h 03m
Frontier
Deal found 5/18![Frontier logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 5/20. 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 5/297:39 pm
HOU
- TYS
Nonstop2h 03m
Allegiant Air
Deal found 5/20![Allegiant Air logo]()
$116
This Booking.com deal was found by Cheapflights users on 5/17. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:34 pm
IAH
- TYS
1 stop25h 03m
Frontier
Deal found 5/17![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 7/158:55 pm
IAH
- TYS
2 stops38h 08m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$124
Find flight deals from Houston to Knoxville
Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to Knoxville (TYS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 20, 2026.
Round-trip from | $84 (Cheapflightsfares) |
|---|---|
One-way from | $45 (Kiwi.com) |
Popular in | March |
Cheapest in | August |
Average price | $317 |
Cheapflights Fare Finder
Customize your flight search to find flights from Houston to Knoxville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 20, 2026.
Use the filters below to find and compare flights from Houston to Knoxville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HoustonKnoxville
HOU - TYS
HOUTYS
Houston Hobby
Fri 8/14
6:00 am-11:11 am
1 stop4h 11m
Knoxville McGhee Tyson
Mon 8/17
5:45 am-9:50 am
1 stop5h 05m
$289
HoustonKnoxville
HOU - TYS
HOUTYS
Houston Hobby
Thu 6/25
10:09 am-5:15 pm
1 stop6h 06m
Knoxville McGhee Tyson
Tue 6/30
5:40 am-9:14 am
1 stop4h 34m
$289
HoustonKnoxville
HOU - TYS
HOUTYS
Houston Hobby
Fri 6/26
6:03 am-11:09 am
1 stop4h 06m
Knoxville McGhee Tyson
Mon 6/29
11:55 am-4:23 pm
1 stop5h 28m
$289
HoustonKnoxville
IAH - TYS
IAHTYS
Houston George Bush Intcntl
Fri 6/26
5:40 am-11:09 am
1 stop4h 29m
Knoxville McGhee Tyson
Tue 6/30
5:40 am-8:37 am
1 stop3h 57m
$289
HoustonKnoxville
IAH - TYS
IAHTYS
Houston George Bush Intcntl
Wed 7/15
5:20 pm-11:52 pm
1 stop5h 32m
Knoxville McGhee Tyson
Fri 7/24
5:40 am-8:35 am
1 stop3h 55m
$289
HoustonKnoxville
HOU - TYS
HOUTYS
Houston Hobby
Wed 7/15
12:45 pm-8:20 pm
1 stop6h 35m
Knoxville McGhee Tyson
Fri 7/17
7:45 pm-12:45 am
1 stop6h 00m
$309
HoustonKnoxville
HOU - TYS
HOUTYS
Houston Hobby
Wed 7/15
11:05 am-8:20 pm
2 stops8h 15m
Knoxville McGhee Tyson
Fri 7/24
7:45 pm-12:45 am
1 stop6h 00m
$314
HoustonKnoxville
HOU - TYS
HOUTYS
Houston Hobby
Sat 7/11
11:20 am-7:35 pm
1 stop7h 15m
Knoxville McGhee Tyson
Sat 7/18
6:55 pm-11:45 pm
1 stop5h 50m
$339
Quickest round-trip
HoustonKnoxville
IAH - TYS
IAHTYS
Houston George Bush Intcntl
Thu 6/25
7:50 pm-11:12 pm
Nonstop2h 22m
Knoxville McGhee Tyson
Tue 6/30
7:15 am-8:40 am
Nonstop2h 25m
$349
HoustonKnoxville
IAH - TYS
IAHTYS
Houston George Bush Intcntl
Sat 6/13
5:17 pm-12:02 am
1 stop5h 45m
Knoxville McGhee Tyson
Sat 6/20
7:35 am-1:38 pm
1 stop7h 03m
$364
Showing 1-10 of 42 resultsSorted by cheapest first
Best time to book a flight from Houston to Knoxville
Have a flexible travel schedule? Discover the best time to fly to Knoxville from Houston with our price prediction graph.
HO1-TYS
HOU-TYS
IAH-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 Houston to Knoxville
HO1-TYS
HOU-TYS
IAH-TYS
What is the cheapest month to book a flight from Houston to Knoxville?
Currently, May is the cheapest month in which you can book a flight from Houston to Knoxville (average of $24). Flying from Houston to Knoxville in March is currently the most expensive (average of $218). 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 HOU to TYS?
Find hourly flight availability from Houston 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 May 20, 2026.
When flying from Houston to Knoxville, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 37% versus a flight at noon.
How much does it cost to fly round-trip from Houston to Knoxville?
How far ahead should I book a flight from Houston to Knoxville?
Booking 84 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston to Knoxville. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest day to fly from Houston to Knoxville?
Use this chart to determine the cheapest time to fly round-trip from Houston to Knoxville. Price data was last updated on May 16, 2026.
Travelers seeking maximum savings on their Houston to Knoxville flight should consider departing on Wednesday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Knoxville
Get insights into the airlines that provide service to Knoxville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Knoxville. Reviews last updated May 20, 2026.
See what other customers who have flown with Delta,United Airlines, andAllegiant Air from Houston to Knoxville have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Food
7.2
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from Houston 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
Alcoa
Oak Ridge
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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 May 20, 2026.
Houston and Knoxville flights
Browse other Houston and Knoxville flight options. Last updated on May 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Houston to Knoxville
Discover the top 4 airlines that operate flights from Houston 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 2,558,603 searches. Data last updated May 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$62 | Average$118 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$209 | Average$408 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$210 | Average$383 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$228 | Average$344 | FlexibilityNo cancel fee | On-timeN/A |