$68+ 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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — TYS
May 1 — May 81
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 87 days in advance, depart on a Tuesday or Monday and return on a Monday
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 April 1, 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 April 1, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 6/57:31 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Mon 6/85:30 pm
TYS
- HOU
Nonstop2h 11m
Allegiant Air
Deal found 3/30![Allegiant Air logo]()
$100
This Cheapflightsfares deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/107:39 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Mon 7/135:32 pm
TYS
- HOU
Nonstop2h 17m
Allegiant Air
Deal found 3/31![Allegiant Air logo]()
$110
This Cheapflightsfares deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/214:27 pm
HOU
- TYS
Nonstop2h 07m
Allegiant Air
Fri 9/251:31 pm
TYS
- HOU
Nonstop2h 20m
Allegiant Air
Deal found 3/31![Allegiant Air logo]()
$112
This Cheapflightsfares deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 3/31![Allegiant Air logo]()
$117
This Booking.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 5/227:39 pm
HOU
- TYS
Nonstop2h 03m
Allegiant Air
Mon 5/255:30 pm
TYS
- HOU
Nonstop2h 19m
Allegiant Air
Deal found 3/27![Allegiant Air logo]()
$123
This Cheapflightsfares deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 7/37:39 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Mon 7/65:32 pm
TYS
- HOU
Nonstop2h 17m
Allegiant Air
Deal found 3/29![Allegiant Air logo]()
$127
This Frontier deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/266:45 am
IAH
- TYS
1 stop7h 48m
Frontier
Thu 4/304:28 pm
TYS
- IAH
1 stop9h 20m
Frontier
Deal found 3/31![Frontier logo]()
$140
This Cheapflightsfares deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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 3/31![Allegiant Air logo]()
$148
This Cheapflightsfares deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares 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
Mon 9/282:17 pm
TYS
- HOU
Nonstop2h 20m
Allegiant Air
Deal found 3/31![Allegiant Air logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2812:16 pm
IAH
- TYS
1 stop21h 20m
Multiple Airlines
Thu 5/79:40 pm
TYS
- IAH
1 stop18h 23m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 4/239:46 am
IAH
- TYS
1 stop9h 56m
Multiple Airlines
Mon 4/271:15 pm
TYS
- IAH
1 stop20h 23m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2812:16 pm
IAH
- TYS
1 stop21h 20m
Multiple Airlines
Thu 4/309:25 pm
TYS
- IAH
1 stop15h 02m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$191
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 April 1, 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 April 1, 2026.
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/56:00 am
HOU
- TYS
1 stop4h 17m
Delta
Tue 5/127:27 am
TYS
- HOU
1 stop5h 44m
Delta
Deal found 3/31![Delta logo]()
$289
This Southwest deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 4/207:00 am
HOU
- TYS
1 stop6h 10m
Southwest
Tue 4/218:15 am
TYS
- HOU
1 stop7h 45m
Southwest
Deal found 3/27![Southwest logo]()
$289
This United Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 4/178:21 pm
IAH
- TYS
Nonstop2h 20m
United Airlines
Mon 4/277:05 am
TYS
- IAH
Nonstop2h 41m
United Airlines
Deal found 3/27![United Airlines logo]()
$291
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/410:53 am
HOU
- TYS
1 stop3h 59m
Delta
Tue 5/127:27 am
TYS
- HOU
1 stop5h 44m
Delta
Deal found 3/31![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 5/272:45 pm
IAH
- TYS
Nonstop2h 22m
United Airlines
Sat 5/307:15 am
TYS
- IAH
Nonstop2h 25m
United Airlines
Deal found 3/27![United Airlines logo]()
$293
This Southwest deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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 4/266:10 am
HOU
- TYS
1 stop8h 05m
Southwest
Fri 5/86:35 am
TYS
- HOU
2 stops6h 10m
Southwest
Deal found 3/28![Southwest logo]()
$294
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 5/136:00 am
HOU
- TYS
1 stop4h 09m
Delta
Tue 5/198:35 am
TYS
- HOU
1 stop4h 36m
Delta
Deal found 3/29![Delta logo]()
$289
This Southwest deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 5/410:20 am
HOU
- TYS
2 stops9h 55m
Southwest
Wed 5/65:50 pm
TYS
- HOU
1 stop6h 00m
Southwest
Deal found 3/30![Southwest logo]()
$294
This Southwest deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 4/151:00 pm
HOU
- TYS
1 stop5h 40m
Southwest
Tue 4/217:05 am
TYS
- HOU
2 stops7h 40m
Southwest
Deal found 3/30![Southwest logo]()
$314
This Delta deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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 6/192:43 pm
IAH
- TYS
1 stop4h 12m
Delta
Tue 6/236:05 pm
TYS
- IAH
1 stop4h 18m
Delta
Deal found 3/28![Delta logo]()
$314
This United Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 4/298:21 pm
IAH
- TYS
Nonstop2h 20m
United Airlines
Sat 5/211:40 am
TYS
- IAH
Nonstop2h 37m
United Airlines
Deal found 3/29![United Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/288:30 am
HOU
- TYS
1 stop4h 50m
Southwest
Mon 5/46:45 pm
TYS
- HOU
1 stop6h 20m
Southwest
Deal found 3/31![Southwest logo]()
$349
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 6/147:00 am
IAH
- TYS
1 stop6h 49m
Delta
Sat 6/203:54 pm
TYS
- IAH
1 stop6h 29m
Delta
Deal found 3/29![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 4/248:21 pm
IAH
- TYS
Nonstop2h 20m
United Airlines
Sun 4/267:05 am
TYS
- IAH
Nonstop2h 41m
United Airlines
Deal found 3/30![United Airlines logo]()
$411
This Southwest deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 5/2711:05 am
HOU
- TYS
1 stop8h 45m
Southwest
Thu 5/286:45 pm
TYS
- HOU
1 stop6h 20m
Southwest
Deal found 3/27![Southwest logo]()
$353
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/288:00 am
IAH
- TYS
Nonstop2h 19m
United Airlines
Sun 5/317:15 am
TYS
- IAH
Nonstop2h 25m
United Airlines
Deal found 3/31![United Airlines logo]()
$451
This Southwest deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 4/1410:55 am
HOU
- TYS
2 stops7h 45m
Southwest
Wed 4/157:05 am
TYS
- HOU
2 stops6h 00m
Southwest
Deal found 3/27![Southwest logo]()
$374
This Southwest deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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 7/147:00 am
HOU
- TYS
1 stop6h 05m
Southwest
Fri 7/176:40 am
TYS
- HOU
2 stops8h 05m
Southwest
Deal found 3/28![Southwest logo]()
$378
This United Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 5/510:15 am
IAH
- TYS
Nonstop2h 19m
United Airlines
Fri 5/86:01 pm
TYS
- IAH
1 stop20h 36m
United Airlines
Deal found 3/30![United Airlines logo]()
$468
Last-minute flights from Houston to KnoxvilleDiscover last-minute flight deals from Houston to Knoxville. Data last updated April 1, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to Knoxville. Data last updated April 1, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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 4/169:46 am
IAH
- TYS
1 stop9h 56m
Multiple Airlines
Sun 4/199:32 pm
TYS
- IAH
1 stop25h 23m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/178:15 am
IAH
- TYS
1 stop26h 51m
Multiple Airlines
Mon 4/201:15 pm
TYS
- IAH
1 stop20h 23m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$205
This Kiwi.com deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 4/239:46 am
IAH
- TYS
1 stop9h 56m
Multiple Airlines
Mon 4/271:15 pm
TYS
- IAH
1 stop20h 23m
Multiple Airlines
Deal found 3/27![Multiple Airlines logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 4/239:46 am
IAH
- TYS
1 stop9h 56m
Multiple Airlines
Sun 4/269:32 pm
TYS
- IAH
1 stop26h 01m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:00 am
IAH
- TYS
1 stop10h 03m
Multiple Airlines
Thu 4/309:25 pm
TYS
- IAH
1 stop18h 21m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:00 am
IAH
- TYS
1 stop10h 03m
Multiple Airlines
Tue 4/283:48 pm
TYS
- IAH
1 stop17h 50m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$209
This Frontier deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/266:45 am
IAH
- TYS
1 stop7h 48m
Frontier
Thu 4/304:28 pm
TYS
- IAH
1 stop9h 20m
Frontier
Deal found 3/31![Frontier logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/277:48 pm
IAH
- TYS
1 stop12h 52m
Multiple Airlines
Thu 5/79:40 pm
TYS
- IAH
1 stop18h 23m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$195
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2812:16 pm
IAH
- TYS
1 stop21h 20m
Multiple Airlines
Thu 5/79:40 pm
TYS
- IAH
1 stop18h 23m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2812:16 pm
IAH
- TYS
1 stop21h 20m
Multiple Airlines
Thu 4/309:25 pm
TYS
- IAH
1 stop15h 02m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$191
This Southwest deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/281:00 pm
HOU
- TYS
1 stop5h 40m
Southwest
Fri 5/16:45 pm
TYS
- HOU
1 stop6h 20m
Southwest
Deal found 3/31![Southwest logo]()
$285
This Southwest deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 4/2911:05 am
HOU
- TYS
1 stop8h 45m
Southwest
Wed 5/65:50 pm
TYS
- HOU
1 stop6h 00m
Southwest
Deal found 3/30![Southwest logo]()
$281
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 April 1, 2026.
Search for one-way flight options from Houston to Knoxville. Find affordable one-way fares based on user searches. Data last updated April 1, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares 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 3/31![Allegiant Air logo]()
$68
This Kiwi.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/239:46 am
IAH
- TYS
1 stop9h 56m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$95
This Frontier deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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.
Wed 6/36:30 am
IAH
- TYS
1 stop12h 03m
Frontier
Deal found 3/28![Frontier logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:05 am
IAH
- TYS
2 stops32h 36m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$98
This Super.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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.
Thu 4/910:56 pm
IAH
- TYS
1 stop15h 32m
Frontier
Deal found 3/28![Frontier logo]()
$115
This Kiwi.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/248:15 am
IAH
- TYS
1 stop26h 51m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 4/2912:16 pm
IAH
- TYS
1 stop25h 34m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 4/306:14 pm
IAH
- TYS
2 stops22h 16m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$131
This Kiwi.com deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/117:15 am
IAH
- TYS
1 stop8h 59m
Multiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$139
This Southwest deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 4/2911:05 am
HOU
- TYS
1 stop8h 45m
Southwest
Deal found 3/30![Southwest logo]()
$141
This Southwest deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/255:35 am
HOU
- TYS
1 stop6h 45m
Southwest
Deal found 4/1![Southwest logo]()
$145
This Southwest deal was found by Cheapflights users on 3/27. Clicking the “Pick Dates” 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 6/611:20 am
HOU
- TYS
1 stop7h 15m
Southwest
Deal found 3/27![Southwest logo]()
$170
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 April 1, 2026.
Round-trip from | $100 (Cheapflightsfares) |
|---|---|
One-way from | $68 (Cheapflightsfares) |
Popular in | September |
Cheapest in | August |
Average price | $325 |
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 April 1, 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
Tue 5/5
6:00 am-11:17 am
1 stop4h 17m
Knoxville McGhee Tyson
Tue 5/12
7:27 am-12:11 pm
1 stop5h 44m
$289
HoustonKnoxville
HOU - TYS
HOUTYS
Houston Hobby
Mon 4/20
7:00 am-2:10 pm
1 stop6h 10m
Knoxville McGhee Tyson
Tue 4/21
8:15 am-3:00 pm
1 stop7h 45m
$289
HoustonKnoxville
HOU - TYS
HOUTYS
Houston Hobby
Mon 5/4
10:53 am-3:52 pm
1 stop3h 59m
Knoxville McGhee Tyson
Tue 5/12
7:27 am-12:11 pm
1 stop5h 44m
$289
HoustonKnoxville
HOU - TYS
HOUTYS
Houston Hobby
Wed 5/13
6:00 am-11:09 am
1 stop4h 09m
Knoxville McGhee Tyson
Tue 5/19
8:35 am-12:11 pm
1 stop4h 36m
$289
HoustonKnoxville
IAH - TYS
IAHTYS
Houston George Bush Intcntl
Fri 4/17
8:21 pm-11:41 pm
Nonstop2h 20m
Knoxville McGhee Tyson
Mon 4/27
7:05 am-8:46 am
Nonstop2h 41m
$291
HoustonKnoxville
IAH - TYS
IAHTYS
Houston George Bush Intcntl
Wed 5/27
2:45 pm-6:07 pm
Nonstop2h 22m
Knoxville McGhee Tyson
Sat 5/30
7:15 am-8:40 am
Nonstop2h 25m
$293
HoustonKnoxville
HOU - TYS
HOUTYS
Houston Hobby
Sun 4/26
6:10 am-3:15 pm
1 stop8h 05m
Knoxville McGhee Tyson
Fri 5/8
6:35 am-11:45 am
2 stops6h 10m
$294
HoustonKnoxville
HOU - TYS
HOUTYS
Houston Hobby
Mon 5/4
10:20 am-9:15 pm
2 stops9h 55m
Knoxville McGhee Tyson
Wed 5/6
5:50 pm-10:50 pm
1 stop6h 00m
$294
HoustonKnoxville
HOU - TYS
HOUTYS
Houston Hobby
Wed 4/15
1:00 pm-7:40 pm
1 stop5h 40m
Knoxville McGhee Tyson
Tue 4/21
7:05 am-1:45 pm
2 stops7h 40m
$314
HoustonKnoxville
IAH - TYS
IAHTYS
Houston George Bush Intcntl
Fri 6/19
2:43 pm-7:55 pm
1 stop4h 12m
Knoxville McGhee Tyson
Tue 6/23
6:05 pm-9:23 pm
1 stop4h 18m
$314
Showing 1-10 of 39 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
How far ahead should I book a flight from Houston to Knoxville?
Use this chart to determine the optimal time to book a round-trip flight from Houston to Knoxville. Price data was last updated on March 13, 2026.
Booking 87 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 month to book a flight from Houston to Knoxville?
Currently, December is the cheapest month in which you can book a flight from Houston to Knoxville (average of $52). Flying from Houston to Knoxville in January 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 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 April 1, 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 41% versus a flight in the afternoon.
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 March 28, 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.
How much does it cost to fly round-trip from Houston to Knoxville?
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 April 1, 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.
Food
7.2
Boarding
8.1
Comfort
7.9
Crew
8.5
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Boarding
8.1
Comfort
7.9
Crew
8.5
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Boarding
8.1
Comfort
7.9
Crew
8.5
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Boarding
8.1
Comfort
7.9
Crew
8.5
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Food
7.2
Boarding
8.1
Comfort
7.9
Crew
8.5
Overall
7.9
Entertainment
7.8
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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
Corbin
Morristown
Bryson City
Alcoa
Murphy
Oak Ridge
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Complete your trip
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Search flights from Houston to Knoxville by cabin class
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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 April 1, 2026.
Houston and Knoxville flights
Browse other Houston and Knoxville flight options. Last updated on April 1, 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 April 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$52 | Average$108 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$104 | Average$306 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$209 | Average$393 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$228 | Average$391 | FlexibilityNo cancel fee | On-time71% |