$43+ Cheap flights from Knoxville (TYS) to Houston
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 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — HOU
Jul 19 — Jul 261
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Knoxville to Houston 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 Knoxville McGhee Tyson to Houston are usually found in June or August, booked 70 days in advance, depart on a Sunday or Monday and return on a Saturday
Cheap flight deals from Knoxville to Houston
Cheapest
Best
Last-minute
One-way
Cheapest flights from Knoxville to HoustonExplore the most affordable flight options available from Knoxville to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 19, 2026.
Explore the most affordable flight options available from Knoxville to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 19, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 6/17. 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.
Fri 8/145:54 pm
TYS
- HOU
Nonstop2h 19m
Allegiant Air
Mon 8/178:03 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Deal found 6/17![Allegiant Air logo]()
$81
This Cheapflightsfares deal was found by Cheapflights users on 6/19. 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 7/205:32 pm
TYS
- HOU
Nonstop2h 17m
Allegiant Air
Mon 7/277:39 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Deal found 6/19![Allegiant Air logo]()
$93
This Cheapflightsfares deal was found by Cheapflights users on 6/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/275:32 pm
TYS
- HOU
Nonstop2h 17m
Allegiant Air
Fri 7/317:39 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Deal found 6/18![Allegiant Air logo]()
$100
This Cheapflightsfares deal was found by Cheapflights users on 6/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/212:57 pm
TYS
- HOU
Nonstop2h 17m
Allegiant Air
Mon 10/57:19 pm
HOU
- TYS
Nonstop2h 04m
Allegiant Air
Deal found 6/18![Allegiant Air logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 11/1312:49 pm
TYS
- HOU
Nonstop2h 20m
Allegiant Air
Mon 11/165:09 pm
HOU
- TYS
Nonstop2h 07m
Allegiant Air
Deal found 6/18![Allegiant Air logo]()
$149
This Cheapflightsfares deal was found by Cheapflights users on 6/15. 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 7/135:32 pm
TYS
- HOU
Nonstop2h 17m
Allegiant Air
Fri 7/247:39 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Deal found 6/15![Allegiant Air logo]()
$152
This Cheapflightsfares deal was found by Cheapflights users on 6/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/175:32 pm
TYS
- HOU
Nonstop2h 17m
Allegiant Air
Fri 7/317:39 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Deal found 6/18![Allegiant Air logo]()
$155
This Cheapflightsfares deal was found by Cheapflights users on 6/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/175:32 pm
TYS
- HOU
Nonstop2h 17m
Allegiant Air
Fri 7/247:39 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Deal found 6/18![Allegiant Air logo]()
$165
This Cheapflightsfares deal was found by Cheapflights users on 6/17. 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.
Fri 7/35:32 pm
TYS
- HOU
Nonstop2h 17m
Allegiant Air
Mon 7/67:39 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Deal found 6/17![Allegiant Air logo]()
$171
This Southwest deal was found by Cheapflights users on 6/16. 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 7/176:40 am
TYS
- HOU
1 stop4h 25m
Southwest
Tue 7/217:45 am
HOU
- TYS
1 stop8h 15m
Southwest
Deal found 6/16![Southwest logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 7/1712:40 pm
TYS
- IAH
2 stops19h 40m
Multiple Airlines
Tue 7/218:20 am
IAH
- TYS
1 stop6h 50m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Tue 7/145:00 pm
TYS
- IAH
1 stop22h 50m
Multiple Airlines
Tue 7/218:20 am
IAH
- TYS
1 stop6h 50m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$225
Best flights from Knoxville to HoustonDiscover carefully curated flight deals from Knoxville to Houston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 19, 2026.
Discover carefully curated flight deals from Knoxville to Houston that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 19, 2026.
This Southwest deal was found by Cheapflights users on 6/16. 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.
Mon 7/207:45 pm
TYS
- HOU
1 stop6h 05m
Southwest
Mon 7/275:05 am
HOU
- TYS
1 stop7h 40m
Southwest
Deal found 6/16![Southwest logo]()
$211
This Delta deal was found by Cheapflights users on 6/17. 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.
Tue 10/63:55 pm
TYS
- HOU
1 stop6h 48m
Delta
Tue 10/135:35 pm
HOU
- TYS
1 stop5h 11m
Delta
Deal found 6/17![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 6/18. 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.
Sat 10/37:15 am
TYS
- IAH
Nonstop2h 29m
United Airlines
Mon 10/126:35 pm
IAH
- TYS
Nonstop2h 20m
United Airlines
Deal found 6/18![United Airlines logo]()
$290
This Southwest deal was found by Cheapflights users on 6/16. 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 7/812:45 pm
TYS
- HOU
1 stop7h 25m
Southwest
Thu 7/93:25 pm
HOU
- TYS
1 stop6h 10m
Southwest
Deal found 6/16![Southwest logo]()
$240
This Delta deal was found by Cheapflights users on 6/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/135:57 pm
TYS
- IAH
1 stop4h 13m
Delta
Sun 11/155:55 am
IAH
- TYS
1 stop6h 28m
Delta
Deal found 6/14![Delta logo]()
$289
This Southwest deal was found by Cheapflights users on 6/16. 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.
Tue 7/2112:45 pm
TYS
- HOU
1 stop7h 25m
Southwest
Tue 7/2811:20 am
HOU
- TYS
1 stop6h 00m
Southwest
Deal found 6/16![Southwest logo]()
$267
This United Airlines deal was found by Cheapflights users on 6/15. 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.
Sat 10/177:15 am
TYS
- IAH
Nonstop2h 29m
United Airlines
Sun 10/258:05 pm
IAH
- TYS
Nonstop2h 14m
United Airlines
Deal found 6/15![United Airlines logo]()
$306
This Southwest deal was found by Cheapflights users on 6/18. 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.
Fri 9/182:05 pm
TYS
- HOU
1 stop4h 05m
Southwest
Sun 9/207:35 am
HOU
- TYS
1 stop6h 25m
Southwest
Deal found 6/18![Southwest logo]()
$289
This Delta deal was found by Cheapflights users on 6/15. 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.
Sat 10/178:47 am
TYS
- IAH
1 stop7h 13m
Delta
Sun 10/255:55 am
IAH
- TYS
1 stop6h 28m
Delta
Deal found 6/15![Delta logo]()
$344
This United Airlines deal was found by Cheapflights users on 6/18. 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.
Sat 9/52:21 pm
TYS
- IAH
Nonstop2h 29m
United Airlines
Wed 9/168:00 am
IAH
- TYS
Nonstop2h 17m
United Airlines
Deal found 6/18![United Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 6/18. 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.
Mon 7/276:40 am
TYS
- HOU
2 stops6h 20m
Southwest
Thu 7/305:05 am
HOU
- TYS
1 stop7h 40m
Southwest
Deal found 6/18![Southwest logo]()
$294
This Southwest deal was found by Cheapflights users on 6/18. 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.
Fri 9/44:50 pm
TYS
- HOU
1 stop8h 25m
Southwest
Sun 9/67:10 am
HOU
- TYS
2 stops5h 40m
Southwest
Deal found 6/18![Southwest logo]()
$294
This United Airlines deal was found by Cheapflights users on 6/17. 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 8/147:15 am
TYS
- IAH
Nonstop2h 29m
United Airlines
Mon 8/172:57 pm
IAH
- TYS
Nonstop2h 20m
United Airlines
Deal found 6/17![United Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 6/15. 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.
Tue 6/307:15 am
TYS
- IAH
Nonstop2h 25m
United Airlines
Sun 7/57:50 pm
IAH
- TYS
Nonstop2h 22m
United Airlines
Deal found 6/15![United Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 6/18. 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.
Fri 7/247:15 am
TYS
- IAH
Nonstop2h 25m
United Airlines
Mon 7/277:50 pm
IAH
- TYS
Nonstop2h 22m
United Airlines
Deal found 6/18![United Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 6/17. 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.
Wed 7/157:19 pm
TYS
- IAH
1 stop6h 26m
United Airlines
Wed 7/297:50 pm
IAH
- TYS
Nonstop2h 22m
United Airlines
Deal found 6/17![United Airlines logo]()
$410
This United Airlines deal was found by Cheapflights users on 6/18. 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.
Sat 7/187:15 am
TYS
- IAH
Nonstop2h 25m
United Airlines
Sat 7/252:45 pm
IAH
- TYS
Nonstop2h 22m
United Airlines
Deal found 6/18![United Airlines logo]()
$435
This United Airlines deal was found by Cheapflights users on 6/14. 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.
Fri 11/137:00 am
TYS
- IAH
Nonstop2h 24m
United Airlines
Sun 11/156:45 am
IAH
- TYS
1 stop5h 33m
United Airlines
Deal found 6/14![United Airlines logo]()
$469
Last-minute flights from Knoxville to HoustonDiscover last-minute flight deals from Knoxville to Houston. Data last updated June 19, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Houston. Data last updated June 19, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 6/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/295:30 pm
TYS
- HOU
Nonstop2h 11m
Allegiant Air
Fri 7/37:39 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Deal found 6/18![Allegiant Air logo]()
$231
This Cheapflightsfares deal was found by Cheapflights users on 6/17. 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.
Fri 7/35:32 pm
TYS
- HOU
Nonstop2h 17m
Allegiant Air
Mon 7/67:39 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Deal found 6/17![Allegiant Air logo]()
$171
This Southwest deal was found by Cheapflights users on 6/16. 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 7/812:45 pm
TYS
- HOU
1 stop7h 25m
Southwest
Thu 7/93:25 pm
HOU
- TYS
1 stop6h 10m
Southwest
Deal found 6/16![Southwest logo]()
$240
This Cheapflightsfares deal was found by Cheapflights users on 6/15. 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 7/135:32 pm
TYS
- HOU
Nonstop2h 17m
Allegiant Air
Fri 7/247:39 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Deal found 6/15![Allegiant Air logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 6/16. 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.
Tue 7/145:00 pm
TYS
- IAH
1 stop22h 50m
Multiple Airlines
Tue 7/218:20 am
IAH
- TYS
1 stop6h 50m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$225
This Southwest deal was found by Cheapflights users on 6/16. 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.
Thu 7/166:40 am
TYS
- HOU
2 stops6h 20m
Southwest
Mon 7/205:05 am
HOU
- TYS
1 stop7h 40m
Southwest
Deal found 6/16![Southwest logo]()
$216
This Cheapflightsfares deal was found by Cheapflights users on 6/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/175:32 pm
TYS
- HOU
Nonstop2h 17m
Allegiant Air
Fri 7/317:39 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Deal found 6/18![Allegiant Air logo]()
$155
This Cheapflightsfares deal was found by Cheapflights users on 6/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/175:32 pm
TYS
- HOU
Nonstop2h 17m
Allegiant Air
Fri 7/247:39 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Deal found 6/18![Allegiant Air logo]()
$165
This Southwest deal was found by Cheapflights users on 6/16. 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 7/176:40 am
TYS
- HOU
1 stop4h 25m
Southwest
Tue 7/217:45 am
HOU
- TYS
1 stop8h 15m
Southwest
Deal found 6/16![Southwest logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 7/1712:40 pm
TYS
- IAH
2 stops19h 40m
Multiple Airlines
Tue 7/218:20 am
IAH
- TYS
1 stop6h 50m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$224
This Cheapflightsfares deal was found by Cheapflights users on 6/19. 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 7/205:32 pm
TYS
- HOU
Nonstop2h 17m
Allegiant Air
Mon 7/277:39 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Deal found 6/19![Allegiant Air logo]()
$93
This Cheapflightsfares deal was found by Cheapflights users on 6/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/275:32 pm
TYS
- HOU
Nonstop2h 17m
Allegiant Air
Fri 7/317:39 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Deal found 6/18![Allegiant Air logo]()
$100
One-way flights from Knoxville to HoustonSearch for one-way flight options from Knoxville to Houston. Find affordable one-way fares based on user searches. Data last updated June 19, 2026.
Search for one-way flight options from Knoxville to Houston. Find affordable one-way fares based on user searches. Data last updated June 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 8/281:26 pm
TYS
- HOU
Nonstop2h 20m
Allegiant Air
Deal found 6/18![Allegiant Air logo]()
$43
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 7/205:32 pm
TYS
- HOU
Nonstop2h 17m
Allegiant Air
Deal found 6/16![Allegiant Air logo]()
$54
This CheapOair deal was found by Cheapflights users on 6/16. 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.
Mon 6/295:30 pm
TYS
- HOU
Nonstop2h 11m
Allegiant Air
Deal found 6/16![Allegiant Air logo]()
$65
This Cheapflightsfares deal was found by Cheapflights users on 6/16. 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 7/35:32 pm
TYS
- HOU
Nonstop2h 17m
Allegiant Air
Deal found 6/16![Allegiant Air logo]()
$87
This CheapOair deal was found by Cheapflights users on 6/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/175:32 pm
TYS
- HOU
Nonstop2h 17m
Allegiant Air
Deal found 6/17![Allegiant Air logo]()
$106
This Super.com deal was found by Cheapflights users on 6/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/265:30 pm
TYS
- HOU
Nonstop2h 11m
Allegiant Air
Deal found 6/15![Allegiant Air logo]()
$107
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 9/285:33 pm
TYS
- IAH
1 stop28h 27m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 7/1712:40 pm
TYS
- IAH
2 stops19h 40m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 6/17. 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.
Wed 9/3010:28 am
TYS
- IAH
1 stop6h 16m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 8/274:52 pm
TYS
- IAH
1 stop22h 59m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$120
This Super.com deal was found by Cheapflights users on 6/17. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/178:19 pm
TYS
- IAH
1 stop29h 21m
Frontier
Deal found 6/17![Frontier logo]()
$124
This Super.com deal was found by Cheapflights users on 6/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/268:32 pm
TYS
- IAH
1 stop29h 12m
Frontier
Deal found 6/15![Frontier logo]()
$125
Find flight deals from Knoxville to Houston
Discover tips and strategies to find the most affordable flight options for your journey from Knoxville (TYS) to Houston (HO1). 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 June 19, 2026.
Round-trip from | $81 (Cheapflightsfares) |
|---|---|
One-way from | $43 (Kiwi.com) |
Popular in | March |
Cheapest in | June |
Average price | $196 |
Cheapflights Fare Finder
Customize your flight search to find flights from Knoxville to Houston 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 June 19, 2026.
Use the filters below to find and compare flights from Knoxville to Houston that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
KnoxvilleHouston
TYS - HOU
TYSHOU
Knoxville McGhee Tyson
Mon 7/20
7:45 pm-12:50 am
1 stop6h 05m
Houston Hobby
Mon 7/27
5:05 am-1:45 pm
1 stop7h 40m
$211
KnoxvilleHouston
TYS - HOU
TYSHOU
Knoxville McGhee Tyson
Wed 7/8
12:45 pm-7:10 pm
1 stop7h 25m
Houston Hobby
Thu 7/9
3:25 pm-10:35 pm
1 stop6h 10m
$240
KnoxvilleHouston
TYS - HOU
TYSHOU
Knoxville McGhee Tyson
Tue 7/21
12:45 pm-7:10 pm
1 stop7h 25m
Houston Hobby
Tue 7/28
11:20 am-6:20 pm
1 stop6h 00m
$267
KnoxvilleHouston
TYS - HOU
TYSHOU
Knoxville McGhee Tyson
Tue 10/6
3:55 pm-9:43 pm
1 stop6h 48m
Houston Hobby
Tue 10/13
5:35 pm-11:46 pm
1 stop5h 11m
$289
KnoxvilleHouston
TYS - IAH
TYSIAH
Knoxville McGhee Tyson
Fri 11/13
5:57 pm-9:10 pm
1 stop4h 13m
Houston George Bush Intcntl
Sun 11/15
5:55 am-1:23 pm
1 stop6h 28m
$289
KnoxvilleHouston
TYS - HOU
TYSHOU
Knoxville McGhee Tyson
Fri 9/18
2:05 pm-5:10 pm
1 stop4h 05m
Houston Hobby
Sun 9/20
7:35 am-3:00 pm
1 stop6h 25m
$289
KnoxvilleHouston
TYS - IAH
TYSIAH
Knoxville McGhee Tyson
Sat 10/3
7:15 am-8:44 am
Nonstop2h 29m
Houston George Bush Intcntl
Mon 10/12
6:35 pm-9:55 pm
Nonstop2h 20m
$290
KnoxvilleHouston
TYS - HOU
TYSHOU
Knoxville McGhee Tyson
Mon 7/27
6:40 am-12:00 pm
2 stops6h 20m
Houston Hobby
Thu 7/30
5:05 am-1:45 pm
1 stop7h 40m
$294
KnoxvilleHouston
TYS - HOU
TYSHOU
Knoxville McGhee Tyson
Fri 9/4
4:50 pm-12:15 am
1 stop8h 25m
Houston Hobby
Sun 9/6
7:10 am-1:50 pm
2 stops5h 40m
$294
Quickest round-trip
KnoxvilleHouston
TYS - IAH
TYSIAH
Knoxville McGhee Tyson
Sat 10/17
7:15 am-8:44 am
Nonstop2h 29m
Houston George Bush Intcntl
Sun 10/25
8:05 pm-11:19 pm
Nonstop2h 14m
$306
Showing 1-10 of 37 resultsSorted by cheapest first
Best time to book a flight from Knoxville to Houston
Have a flexible travel schedule? Discover the best time to fly to Houston from Knoxville with our price prediction graph.
TYS-HO1
TYS-HOU
TYS-IAH
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 Houston
TYS-HO1
TYS-HOU
TYS-IAH
What is the cheapest month to book a flight from Knoxville to Houston?
Currently, October is the cheapest month in which you can book a flight from Knoxville to Houston (average of $48). Flying from Knoxville to Houston in February is currently the most expensive (average of $209). 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 TYS to HOU?
Find hourly flight availability from Knoxville to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 19, 2026.
When flying from Knoxville to Houston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost to fly round-trip from Knoxville to Houston?
How far ahead should I book a flight from Knoxville to Houston?
The best time to book flights from Knoxville to Houston is 81 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.
Reviews of airlines servicing Houston
Get insights into the airlines that provide service to Houston. 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 Houston. Reviews last updated June 19, 2026.
See what other customers who have flown with Delta,United Airlines, andAllegiant Air from Knoxville to Houston 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
Comfort
7.8
Food
7.2
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Entertainment
7.8
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Boarding
8.1
Crew
8.5
Comfort
7.8
Food
7.2
Entertainment
7.8
Overall
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 Knoxville to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Knoxville
Popular flights
Alternative routes for Knoxville to Houston
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Houston by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Knoxville to Houston by cabin class
Find flights from Knoxville to Houston, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Knoxville and Houston flights
Browse other Knoxville and Houston flight options. Last updated on June 19, 2026.
Other flights from Knoxville
Browse through other flights departing from Knoxville. Flights are based on user searches made on Cheapflights and were last updated on June 19, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Knoxville to Houston
Discover the top 4 airlines that operate flights from Knoxville to Houston. 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 June 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$79 | Average$130 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$209 | Average$354 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$228 | Average$307 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$228 | Average$294 | FlexibilityNo cancel fee | On-timeN/A |