$86+ 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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — HOU
Μαρ 5 — Μαρ 121
1 adult, Economy
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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 August or July, booked 45 days in advance, depart on a Monday or Sunday and return on a Tuesday
Cheap flight deals from Knoxville to Houston
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Best
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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 Φεβρουάριος 3, 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 Φεβρουάριος 3, 2026.
This Priceline deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Πεμ 4/164:28 pm
TYS
- IAH
1 stop9h 20m
Frontier
Κυρ 4/196:45 am
IAH
- TYS
1 stop7h 48m
Frontier
Deal found 2/2![Frontier logo]()
$195
This Super.com deal was found by Cheapflights users on 2/1. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Παρ 2/208:12 pm
TYS
- IAH
1 stop29h 21m
Frontier
Δευ 2/236:39 am
IAH
- TYS
1 stop11h 39m
Frontier
Deal found 2/1![Frontier logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Παρ 2/2712:55 pm
TYS
- IAH
1 stop22h 22m
Multiple Airlines
Κυρ 3/16:00 am
IAH
- TYS
1 stop15h 07m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$202
This United Airlines deal was found by Cheapflights users on 1/31. 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.
Σαβ 2/287:05 am
TYS
- IAH
Nonstop2h 45m
United Airlines
Τρι 3/34:40 pm
IAH
- TYS
Nonstop2h 15m
United Airlines
Deal found 1/31![United Airlines logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 1/31. 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.
Σαβ 2/288:00 am
TYS
- IAH
1 stop11h 53m
Multiple Airlines
Τρι 3/37:59 pm
IAH
- TYS
1 stop21h 27m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$214
This CheapOair deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Δευ 2/168:13 pm
TYS
- IAH
1 stop28h 19m
Frontier
Πεμ 2/194:59 pm
IAH
- TYS
1 stop25h 28m
Frontier
Deal found 2/2![Frontier logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Δευ 3/308:58 am
TYS
- IAH
1 stop24h 42m
Multiple Airlines
Τετ 4/18:00 am
IAH
- TYS
1 stop9h 18m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$218
This American Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Πεμ 4/96:54 pm
TYS
- HOU
1 stop5h 53m
American Airlines
Τετ 4/156:01 am
HOU
- TYS
1 stop5h 29m
American Airlines
Deal found 2/2![American Airlines logo]()
$229
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Σαβ 2/214:55 pm
TYS
- IAH
Nonstop2h 45m
United Airlines
Δευ 2/238:25 pm
IAH
- TYS
Nonstop2h 19m
United Airlines
Deal found 2/2![United Airlines logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Παρ 3/206:20 am
TYS
- IAH
1 stop14h 48m
Multiple Airlines
Τρι 3/249:15 pm
IAH
- TYS
1 stop19h 54m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Τρι 3/3112:02 pm
TYS
- IAH
1 stop9h 18m
Multiple Airlines
Τετ 4/18:00 am
IAH
- TYS
1 stop9h 18m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$239
This United Airlines deal was found by Cheapflights users on 2/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Σαβ 2/214:55 pm
TYS
- IAH
Nonstop2h 45m
United Airlines
Κυρ 2/228:25 pm
IAH
- TYS
Nonstop2h 19m
United Airlines
Deal found 2/1![United Airlines logo]()
$243
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 Φεβρουάριος 3, 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 Φεβρουάριος 3, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Παρ 2/2712:55 pm
TYS
- IAH
1 stop22h 22m
Multiple Airlines
Κυρ 3/16:00 am
IAH
- TYS
1 stop15h 07m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$202
This American Airlines deal was found by Cheapflights users on 1/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Πεμ 4/96:54 pm
TYS
- HOU
1 stop5h 53m
American Airlines
Τετ 4/156:01 am
HOU
- TYS
1 stop5h 29m
American Airlines
Deal found 1/31![American Airlines logo]()
$229
This United Airlines deal was found by Cheapflights users on 2/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Παρ 2/204:55 pm
TYS
- IAH
Nonstop2h 45m
United Airlines
Δευ 2/238:25 pm
IAH
- TYS
Nonstop2h 19m
United Airlines
Deal found 2/1![United Airlines logo]()
$229
This Delta deal was found by Cheapflights users on 1/31. 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.
Πεμ 4/95:40 am
TYS
- IAH
1 stop6h 37m
Delta
Τετ 4/159:48 am
IAH
- TYS
1 stop6h 20m
Delta
Deal found 1/31![Delta logo]()
$229
This Southwest deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Τρι 3/316:35 am
TYS
- HOU
1 stop4h 20m
Southwest
Τετ 4/111:40 am
HOU
- TYS
1 stop5h 00m
Southwest
Deal found 2/2![Southwest logo]()
$274
This Kiwi.com deal was found by Cheapflights users on 1/31. 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.
Σαβ 2/288:00 am
TYS
- IAH
1 stop11h 53m
Multiple Airlines
Τρι 3/37:59 pm
IAH
- TYS
1 stop21h 27m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$214
This United Airlines deal was found by Cheapflights users on 2/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Σαβ 2/214:55 pm
TYS
- IAH
Nonstop2h 45m
United Airlines
Δευ 2/238:25 pm
IAH
- TYS
Nonstop2h 19m
United Airlines
Deal found 2/1![United Airlines logo]()
$229
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Δευ 3/308:58 am
TYS
- IAH
1 stop24h 42m
Multiple Airlines
Τετ 4/18:00 am
IAH
- TYS
1 stop9h 18m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$218
This American Airlines deal was found by Cheapflights users on 2/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Σαβ 2/215:40 am
TYS
- HOU
1 stop5h 03m
American Airlines
Κυρ 2/226:00 am
HOU
- TYS
1 stop4h 31m
American Airlines
Deal found 2/1![American Airlines logo]()
$249
This United Airlines deal was found by Cheapflights users on 2/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Σαβ 2/214:55 pm
TYS
- IAH
Nonstop2h 45m
United Airlines
Κυρ 2/228:25 pm
IAH
- TYS
Nonstop2h 19m
United Airlines
Deal found 2/1![United Airlines logo]()
$243
This American Airlines deal was found by Cheapflights users on 2/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Παρ 2/274:29 pm
TYS
- IAH
1 stop4h 52m
American Airlines
Τρι 3/34:36 pm
IAH
- TYS
1 stop5h 44m
American Airlines
Deal found 2/1![American Airlines logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Παρ 3/206:20 am
TYS
- IAH
1 stop14h 48m
Multiple Airlines
Τρι 3/249:15 pm
IAH
- TYS
1 stop19h 54m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$235
This American Airlines deal was found by Cheapflights users on 2/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Σαβ 2/215:40 am
TYS
- HOU
1 stop5h 03m
American Airlines
Δευ 2/236:00 am
HOU
- TYS
1 stop4h 31m
American Airlines
Deal found 2/1![American Airlines logo]()
$269
This KAYAK deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Τρι 2/2411:20 am
TYS
- HOU
2 stops9h 30m
American Airlines
Σαβ 2/286:00 am
HOU
- TYS
1 stop4h 31m
American Airlines
Deal found 2/2![American Airlines logo]()
$304
This American Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Παρ 2/135:40 am
TYS
- HOU
1 stop5h 03m
American Airlines
Δευ 2/166:00 am
HOU
- TYS
1 stop4h 31m
American Airlines
Deal found 2/2![American Airlines logo]()
$304
This American Airlines deal was found by Cheapflights users on 2/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Πεμ 3/196:21 pm
TYS
- HOU
1 stop6h 37m
American Airlines
Δευ 3/236:00 am
HOU
- TYS
1 stop4h 30m
American Airlines
Deal found 2/1![American Airlines logo]()
$307
Last-minute flights from Knoxville to HoustonDiscover last-minute flight deals from Knoxville to Houston. Data last updated Φεβρουάριος 3, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Houston. Data last updated Φεβρουάριος 3, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Δευ 2/168:13 pm
TYS
- IAH
1 stop28h 19m
Frontier
Πεμ 2/194:59 pm
IAH
- TYS
1 stop25h 28m
Frontier
Deal found 2/2![Frontier logo]()
$216
This Super.com deal was found by Cheapflights users on 2/1. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Παρ 2/208:12 pm
TYS
- IAH
1 stop29h 21m
Frontier
Δευ 2/236:39 am
IAH
- TYS
1 stop11h 39m
Frontier
Deal found 2/1![Frontier logo]()
$198
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Σαβ 2/214:55 pm
TYS
- IAH
Nonstop2h 45m
United Airlines
Δευ 2/238:25 pm
IAH
- TYS
Nonstop2h 19m
United Airlines
Deal found 2/2![United Airlines logo]()
$229
This United Airlines deal was found by Cheapflights users on 2/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Σαβ 2/214:55 pm
TYS
- IAH
Nonstop2h 45m
United Airlines
Κυρ 2/228:25 pm
IAH
- TYS
Nonstop2h 19m
United Airlines
Deal found 2/1![United Airlines logo]()
$243
This American Airlines deal was found by Cheapflights users on 2/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Σαβ 2/215:40 am
TYS
- HOU
1 stop5h 03m
American Airlines
Κυρ 2/226:00 am
HOU
- TYS
1 stop4h 31m
American Airlines
Deal found 2/1![American Airlines logo]()
$249
This American Airlines deal was found by Cheapflights users on 2/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Σαβ 2/215:40 am
TYS
- HOU
1 stop5h 03m
American Airlines
Δευ 2/236:00 am
HOU
- TYS
1 stop4h 31m
American Airlines
Deal found 2/1![American Airlines logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Παρ 2/2712:55 pm
TYS
- IAH
1 stop22h 22m
Multiple Airlines
Κυρ 3/16:00 am
IAH
- TYS
1 stop15h 07m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$202
This United Airlines deal was found by Cheapflights users on 1/31. 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.
Σαβ 2/287:05 am
TYS
- IAH
Nonstop2h 45m
United Airlines
Τρι 3/34:40 pm
IAH
- TYS
Nonstop2h 15m
United Airlines
Deal found 1/31![United Airlines logo]()
$209
This Kiwi.com deal was found by Cheapflights users on 1/31. 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.
Σαβ 2/288:00 am
TYS
- IAH
1 stop11h 53m
Multiple Airlines
Τρι 3/37:59 pm
IAH
- TYS
1 stop21h 27m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Παρ 3/206:20 am
TYS
- IAH
1 stop14h 48m
Multiple Airlines
Τρι 3/249:15 pm
IAH
- TYS
1 stop19h 54m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Δευ 3/308:58 am
TYS
- IAH
1 stop24h 42m
Multiple Airlines
Τετ 4/18:00 am
IAH
- TYS
1 stop9h 18m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Τρι 3/3112:02 pm
TYS
- IAH
1 stop9h 18m
Multiple Airlines
Τετ 4/18:00 am
IAH
- TYS
1 stop9h 18m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$239
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 Φεβρουάριος 3, 2026.
Search for one-way flight options from Knoxville to Houston. Find affordable one-way fares based on user searches. Data last updated Φεβρουάριος 3, 2026.
This CheapOair deal was found by Cheapflights users on 2/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Δευ 2/238:13 pm
TYS
- IAH
1 stop24h 01m
Frontier
Deal found 2/1![Frontier logo]()
$86
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Τρι 2/245:14 pm
TYS
- IAH
1 stop26h 50m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$99
This Kiwi.com deal was found by Cheapflights users on 1/31. 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.
Κυρ 2/225:56 pm
TYS
- IAH
2 stops55h 03m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$112
This Super.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Παρ 2/208:12 pm
TYS
- IAH
1 stop29h 21m
Frontier
Deal found 2/2![Frontier logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Σαβ 2/219:24 pm
TYS
- IAH
1 stop11h 36m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$124
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Δευ 2/237:22 pm
TYS
- IAH
2 stops22h 50m
Multiple Airlines
Deal found 2/1![Multiple Airlines logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Κυρ 3/156:30 am
TYS
- IAH
2 stops29h 06m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 1/31. 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.
Κυρ 2/87:31 pm
TYS
- IAH
2 stops44h 48m
Multiple Airlines
Deal found 1/31![Multiple Airlines logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Τρι 3/173:00 pm
TYS
- IAH
2 stops27h 03m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$143
This United Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Τρι 2/247:05 am
TYS
- IAH
Nonstop2h 45m
United Airlines
Deal found 2/2![United Airlines logo]()
$144
This American Airlines deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Τρι 2/245:05 am
TYS
- HOU
1 stop7h 43m
American Airlines
Deal found 2/2![American Airlines logo]()
$154
This American Airlines deal was found by Cheapflights users on 1/31. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Κυρ 2/155:40 am
TYS
- HOU
1 stop7h 08m
American Airlines
Deal found 1/31![American Airlines logo]()
$194
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 Φεβρουάριος 3, 2026.
Round-trip from | $195 (Priceline) |
|---|---|
One-way from | $86 (CheapOair) |
Popular in | March |
Cheapest in | August |
Average price | $303 |
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 Φεβρουάριος 3, 2026.
Use the filters below to find and compare flights from Knoxville to Houston that are best for you.
Fly from
Knoxville
Fly to
Houston
Route
Depart
Return
Price
KnoxvilleHouston
TYS - IAH
TYSIAH
Knoxville McGhee Tyson
Παρ 2/27
12:55 pm-10:17 am
1 stop22h 22m
Houston George Bush Intcntl
Κυρ 3/1
6:00 am-10:07 pm
1 stop15h 07m
$202
KnoxvilleHouston
TYS - IAH
TYSIAH
Knoxville McGhee Tyson
Σαβ 2/28
8:00 am-6:53 pm
1 stop11h 53m
Houston George Bush Intcntl
Τρι 3/3
7:59 pm-6:26 pm
1 stop21h 27m
$214
KnoxvilleHouston
TYS - IAH
TYSIAH
Knoxville McGhee Tyson
Δευ 3/30
8:58 am-8:40 am
1 stop24h 42m
Houston George Bush Intcntl
Τετ 4/1
8:00 am-6:18 pm
1 stop9h 18m
$218
KnoxvilleHouston
TYS - HOU
TYSHOU
Knoxville McGhee Tyson
Πεμ 4/9
6:54 pm-11:47 pm
1 stop5h 53m
Houston Hobby
Τετ 4/15
6:01 am-12:30 pm
1 stop5h 29m
$229
KnoxvilleHouston
TYS - IAH
TYSIAH
Knoxville McGhee Tyson
Παρ 2/20
4:55 pm-6:40 pm
Nonstop2h 45m
Houston George Bush Intcntl
Δευ 2/23
8:25 pm-11:44 pm
Nonstop2h 19m
$229
KnoxvilleHouston
TYS - IAH
TYSIAH
Knoxville McGhee Tyson
Πεμ 4/9
5:40 am-11:17 am
1 stop6h 37m
Houston George Bush Intcntl
Τετ 4/15
9:48 am-5:08 pm
1 stop6h 20m
$229
KnoxvilleHouston
TYS - IAH
TYSIAH
Knoxville McGhee Tyson
Σαβ 2/21
4:55 pm-6:40 pm
Nonstop2h 45m
Houston George Bush Intcntl
Δευ 2/23
8:25 pm-11:44 pm
Nonstop2h 19m
$229
KnoxvilleHouston
TYS - IAH
TYSIAH
Knoxville McGhee Tyson
Παρ 3/20
6:20 am-8:08 pm
1 stop14h 48m
Houston George Bush Intcntl
Τρι 3/24
9:15 pm-6:09 pm
1 stop19h 54m
$235
KnoxvilleHouston
TYS - IAH
TYSIAH
Knoxville McGhee Tyson
Σαβ 2/21
4:55 pm-6:40 pm
Nonstop2h 45m
Houston George Bush Intcntl
Κυρ 2/22
8:25 pm-11:44 pm
Nonstop2h 19m
$243
KnoxvilleHouston
TYS - HOU
TYSHOU
Knoxville McGhee Tyson
Σαβ 2/21
5:40 am-9:43 am
1 stop5h 03m
Houston Hobby
Κυρ 2/22
6:00 am-11:31 am
1 stop4h 31m
$249
Showing 1-10 of 34 results
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-IAH
TYS-HOU
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-IAH
TYS-HOU
How far ahead should I book a flight from Knoxville to Houston?
Use this chart to determine the optimal time to book a round-trip flight from Knoxville to Houston. Price data was last updated on January 30, 2026.
The best time to book flights from Knoxville to Houston is 28 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.
What is the cheapest month to book a flight from Knoxville to Houston?
Currently, June is the cheapest month in which you can book a flight from Knoxville to Houston (average of $63). Flying from Knoxville to Houston in September is currently the most expensive (average of $196). 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 Φεβρουάριος 3, 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.
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 Φεβρουάριος 3, 2026.
See what other customers who have flown with Delta, United Airlines, and American Airlines 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.
Entertainment
7.8
Overall
7.9
Crew
8.5
Food
7.2
Boarding
8.1
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Overall
7.9
Crew
8.5
Food
7.2
Boarding
8.1
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Overall
7.9
Crew
8.5
Food
7.2
Boarding
8.1
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Overall
7.9
Crew
8.5
Food
7.2
Boarding
8.1
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Entertainment
7.8
Overall
7.9
Crew
8.5
Food
7.2
Boarding
8.1
Comfort
7.9
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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 for Knoxville to Houston
See prices for flight routes from nearby airports that may be better suited for you.
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 Φεβρουάριος 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$65 | Average$131 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$209 | Average$374 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$228 | Average$370 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$228 | Average$283 | FlexibilityNo cancel fee | On-timeN/A |