$50+ 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 6/29. Fares are subject to change and may not be available on all flights or dates of travel.
TYS — HOU
Jun 4 — Jun 111
Round-trip
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 70 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
Last-minute
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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 May 5, 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 May 5, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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.
Mon 6/85:30 pm
TYS
- HOU
Nonstop2h 11m
Allegiant Air
Fri 6/197:44 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Deal found 4/30![Allegiant Air logo]()
$87
This Cheapflightsfares deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 6/85:30 pm
TYS
- HOU
Nonstop2h 11m
Allegiant Air
Mon 6/157:31 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Deal found 5/4![Allegiant Air logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 5/2. 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.
Fri 7/175:32 pm
TYS
- HOU
Nonstop2h 17m
Allegiant Air
Mon 7/207:39 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Deal found 5/2![Allegiant Air logo]()
$101
This Cheapflightsfares deal was found by Cheapflights users on 5/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/15:30 pm
TYS
- HOU
Nonstop2h 19m
Allegiant Air
Mon 6/157:31 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Deal found 5/2![Allegiant Air logo]()
$107
This Booking.com deal was found by Cheapflights users on 4/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:30 pm
TYS
- HOU
Nonstop2h 19m
Allegiant Air
Mon 6/17:39 pm
HOU
- TYS
Nonstop2h 03m
Allegiant Air
Deal found 4/30![Allegiant Air logo]()
$124
This Cheapflightsfares deal was found by Cheapflights users on 5/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/125:30 pm
TYS
- HOU
Nonstop2h 11m
Allegiant Air
Mon 6/157:31 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Deal found 5/2![Allegiant Air logo]()
$129
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 10/166:28 pm
TYS
- HOU
Nonstop2h 17m
Allegiant Air
Fri 10/235:01 pm
HOU
- TYS
Nonstop2h 04m
Allegiant Air
Deal found 4/30![Allegiant Air logo]()
$148
This Mytrip deal was found by Cheapflights users on 5/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:30 pm
TYS
- HOU
Nonstop2h 19m
Allegiant Air
Fri 6/57:31 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Deal found 5/2![Allegiant Air logo]()
$153
This Cheapflightsfares deal was found by Cheapflights users on 5/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/225:30 pm
TYS
- HOU
Nonstop2h 19m
Allegiant Air
Mon 5/257:39 pm
HOU
- TYS
Nonstop2h 03m
Allegiant Air
Deal found 5/2![Allegiant Air logo]()
$165
This CheapOair deal was found by Cheapflights users on 5/2. 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.
Mon 6/88:32 pm
TYS
- IAH
1 stop15h 10m
Frontier
Tue 6/96:14 pm
IAH
- TYS
1 stop24h 23m
Frontier
Deal found 5/2![Frontier logo]()
$191
This Kiwi.com deal was found by Cheapflights users on 5/2. 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.
Thu 7/163:38 pm
TYS
- HOU
2 stops25h 24m
Allegiant Air
Mon 7/207:39 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Deal found 5/2![Allegiant Air logo]()
$207
This CheapOair deal was found by Cheapflights users on 4/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/178:32 pm
TYS
- IAH
1 stop15h 10m
Frontier
Sun 6/2110:08 pm
IAH
- TYS
1 stop20h 29m
Frontier
Deal found 4/30![Frontier logo]()
$221
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 May 5, 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 May 5, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 5/255:30 pm
TYS
- HOU
Nonstop2h 19m
Allegiant Air
Mon 6/17:39 pm
HOU
- TYS
Nonstop2h 03m
Allegiant Air
Deal found 5/4![Allegiant Air logo]()
$165
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 6/87:35 am
TYS
- HOU
1 stop5h 37m
Delta
Mon 6/1510:09 am
HOU
- TYS
1 stop6h 06m
Delta
Deal found 5/4![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 5/2011:35 am
TYS
- IAH
Nonstop2h 37m
United Airlines
Wed 5/277:50 pm
IAH
- TYS
Nonstop2h 22m
United Airlines
Deal found 4/30![United Airlines logo]()
$289
This Southwest deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 9/248:25 am
TYS
- HOU
1 stop10h 20m
Southwest
Sun 9/277:40 am
HOU
- TYS
1 stop5h 20m
Southwest
Deal found 5/4![Southwest logo]()
$348
This Delta deal was found by Cheapflights users on 5/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/15:59 pm
TYS
- HOU
1 stop5h 27m
Delta
Mon 6/156:03 am
HOU
- TYS
1 stop4h 06m
Delta
Deal found 5/2![Delta logo]()
$289
This Delta deal was found by Cheapflights users on 5/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/54:00 pm
TYS
- HOU
1 stop6h 35m
Delta
Wed 9/1610:05 am
HOU
- TYS
1 stop4h 02m
Delta
Deal found 5/1![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Fri 5/153:30 pm
TYS
- IAH
Nonstop2h 41m
United Airlines
Sun 5/178:24 pm
IAH
- TYS
Nonstop2h 20m
United Airlines
Deal found 5/1![United Airlines logo]()
$335
This Delta deal was found by Cheapflights users on 5/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1611:55 am
TYS
- HOU
1 stop5h 28m
Delta
Tue 7/216:00 am
HOU
- TYS
1 stop4h 05m
Delta
Deal found 5/2![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Thu 5/147:05 am
TYS
- IAH
Nonstop2h 41m
United Airlines
Thu 5/217:50 pm
IAH
- TYS
Nonstop2h 22m
United Airlines
Deal found 4/30![United Airlines logo]()
$344
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1811:55 am
TYS
- IAH
1 stop4h 18m
Delta
Thu 6/258:05 am
IAH
- TYS
1 stop5h 44m
Delta
Deal found 4/30![Delta logo]()
$289
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 7/33:54 pm
TYS
- IAH
1 stop6h 40m
Delta
Sun 7/57:02 am
IAH
- TYS
1 stop6h 47m
Delta
Deal found 5/4![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Fri 5/87:05 am
TYS
- IAH
Nonstop2h 41m
United Airlines
Sun 5/108:24 pm
IAH
- TYS
Nonstop2h 20m
United Airlines
Deal found 5/1![United Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/215:40 am
TYS
- HOU
1 stop4h 52m
Delta
Tue 5/265:02 pm
HOU
- TYS
1 stop5h 54m
Delta
Deal found 5/3![Delta logo]()
$309
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Sat 5/233:25 pm
TYS
- IAH
Nonstop2h 25m
United Airlines
Sat 5/302:45 pm
IAH
- TYS
Nonstop2h 22m
United Airlines
Deal found 5/1![United Airlines logo]()
$379
This United Airlines deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 5/1211:35 am
TYS
- IAH
Nonstop2h 37m
United Airlines
Sun 5/178:24 pm
IAH
- TYS
Nonstop2h 20m
United Airlines
Deal found 5/4![United Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 5/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/176:05 pm
TYS
- HOU
1 stop4h 46m
Delta
Sun 7/196:00 am
HOU
- TYS
1 stop4h 05m
Delta
Deal found 5/2![Delta logo]()
$314
This Delta deal was found by Cheapflights users on 5/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/176:05 pm
TYS
- HOU
1 stop4h 46m
Delta
Mon 7/206:00 am
HOU
- TYS
1 stop4h 05m
Delta
Deal found 5/2![Delta logo]()
$314
This United Airlines deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/37:15 am
TYS
- IAH
Nonstop2h 25m
United Airlines
Sun 7/57:50 pm
IAH
- TYS
Nonstop2h 22m
United Airlines
Deal found 5/5![United Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 5/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/155:40 am
TYS
- HOU
1 stop4h 52m
Delta
Sun 5/1710:27 am
HOU
- TYS
1 stop5h 47m
Delta
Deal found 5/1![Delta logo]()
$329
This Delta deal was found by Cheapflights users on 5/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/285:40 am
TYS
- HOU
1 stop4h 52m
Delta
Thu 6/46:00 am
HOU
- TYS
1 stop4h 09m
Delta
Deal found 5/2![Delta logo]()
$364
This Delta deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 5/295:40 am
TYS
- HOU
1 stop4h 52m
Delta
Mon 6/15:02 pm
HOU
- TYS
1 stop5h 54m
Delta
Deal found 5/4![Delta logo]()
$364
Last-minute flights from Knoxville to HoustonDiscover last-minute flight deals from Knoxville to Houston. Data last updated May 5, 2026 and is based on user searches.
Discover last-minute flight deals from Knoxville to Houston. Data last updated May 5, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 5/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/225:30 pm
TYS
- HOU
Nonstop2h 19m
Allegiant Air
Mon 5/257:39 pm
HOU
- TYS
Nonstop2h 03m
Allegiant Air
Deal found 5/2![Allegiant Air logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 5/287:15 am
TYS
- IAH
1 stop8h 48m
Multiple Airlines
Sat 5/308:12 pm
IAH
- TYS
1 stop20h 01m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 5/287:15 am
TYS
- IAH
1 stop8h 48m
Multiple Airlines
Mon 6/111:12 am
IAH
- TYS
2 stops9h 49m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$233
This Booking.com deal was found by Cheapflights users on 4/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:30 pm
TYS
- HOU
Nonstop2h 19m
Allegiant Air
Mon 6/17:39 pm
HOU
- TYS
Nonstop2h 03m
Allegiant Air
Deal found 4/30![Allegiant Air logo]()
$124
This Mytrip deal was found by Cheapflights users on 5/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:30 pm
TYS
- HOU
Nonstop2h 19m
Allegiant Air
Fri 6/57:31 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Deal found 5/2![Allegiant Air logo]()
$153
This CheapOair deal was found by Cheapflights users on 5/1. 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.
Fri 5/298:19 pm
TYS
- IAH
1 stop29h 25m
Frontier
Fri 6/56:30 am
IAH
- TYS
1 stop12h 03m
Frontier
Deal found 5/1![Frontier logo]()
$236
This Cheapflightsfares deal was found by Cheapflights users on 5/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/15:30 pm
TYS
- HOU
Nonstop2h 19m
Allegiant Air
Mon 6/157:31 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Deal found 5/2![Allegiant Air logo]()
$107
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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.
Mon 6/85:30 pm
TYS
- HOU
Nonstop2h 11m
Allegiant Air
Fri 6/197:44 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Deal found 4/30![Allegiant Air logo]()
$87
This Cheapflightsfares deal was found by Cheapflights users on 5/4. Clicking the “Pick Dates” 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 6/85:30 pm
TYS
- HOU
Nonstop2h 11m
Allegiant Air
Mon 6/157:31 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Deal found 5/4![Allegiant Air logo]()
$90
This CheapOair deal was found by Cheapflights users on 5/2. 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.
Mon 6/88:32 pm
TYS
- IAH
1 stop15h 10m
Frontier
Tue 6/96:14 pm
IAH
- TYS
1 stop24h 23m
Frontier
Deal found 5/2![Frontier logo]()
$191
This Cheapflightsfares deal was found by Cheapflights users on 5/2. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/125:30 pm
TYS
- HOU
Nonstop2h 11m
Allegiant Air
Mon 6/157:31 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Deal found 5/2![Allegiant Air logo]()
$129
This CheapOair deal was found by Cheapflights users on 4/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/178:32 pm
TYS
- IAH
1 stop15h 10m
Frontier
Sun 6/2110:08 pm
IAH
- TYS
1 stop20h 29m
Frontier
Deal found 4/30![Frontier logo]()
$221
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 May 5, 2026.
Search for one-way flight options from Knoxville to Houston. Find affordable one-way fares based on user searches. Data last updated May 5, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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.
Mon 6/295:30 pm
TYS
- HOU
Nonstop2h 11m
Allegiant Air
Deal found 4/30![Allegiant Air logo]()
$50
This Cheapflightsfares deal was found by Cheapflights users on 5/2. 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 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
Deal found 5/2![Allegiant Air logo]()
$63
This Cheapflightsfares deal was found by Cheapflights users on 5/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/15:30 pm
TYS
- HOU
Nonstop2h 19m
Allegiant Air
Deal found 5/1![Allegiant Air logo]()
$73
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Mon 6/17:24 pm
TYS
- IAH
1 stop14h 26m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$90
This Super.com deal was found by Cheapflights users on 4/30. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/158:32 pm
TYS
- IAH
1 stop29h 12m
Frontier
Deal found 4/30![Frontier logo]()
$96
This Kiwi.com deal was found by Cheapflights users on 5/2. 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.
Fri 5/225:30 pm
TYS
- HOU
Nonstop2h 19m
Allegiant Air
Deal found 5/2![Allegiant Air logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 5/149:40 pm
TYS
- IAH
1 stop18h 23m
Multiple Airlines
Deal found 4/30![Multiple Airlines logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 5/2. 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.
Mon 5/255:30 pm
TYS
- HOU
Nonstop2h 19m
Allegiant Air
Deal found 5/2![Allegiant Air logo]()
$113
This Super.com deal was found by Cheapflights users on 5/1. 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.
Fri 5/88:32 pm
TYS
- IAH
1 stop29h 12m
Frontier
Deal found 5/1![Frontier logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 6/47:15 am
TYS
- IAH
1 stop8h 58m
Multiple Airlines
Deal found 5/1![Multiple Airlines logo]()
$125
This Super.com deal was found by Cheapflights users on 5/2. 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.
Fri 5/228:19 pm
TYS
- IAH
1 stop15h 25m
Frontier
Deal found 5/2![Frontier logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 5/3. Clicking the “Pick Dates” 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 5/265:05 pm
TYS
- IAH
1 stop22h 58m
Multiple Airlines
Deal found 5/3![Multiple Airlines logo]()
$136
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 May 5, 2026.
Round-trip from | $87 (Cheapflightsfares) |
|---|---|
One-way from | $50 (Cheapflightsfares) |
Popular in | March |
Cheapest in | August |
Average price | $334 |
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 May 5, 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
Quickest round-trip
KnoxvilleHouston
TYS - HOU
TYSHOU
Knoxville McGhee Tyson
Mon 5/25
5:30 pm-6:49 pm
Nonstop2h 19m
Houston Hobby
Mon 6/1
7:39 pm-10:42 pm
Nonstop2h 03m
$165
KnoxvilleHouston
TYS - HOU
TYSHOU
Knoxville McGhee Tyson
Mon 6/8
7:35 am-12:12 pm
1 stop5h 37m
Houston Hobby
Mon 6/15
10:09 am-5:15 pm
1 stop6h 06m
$289
KnoxvilleHouston
TYS - IAH
TYSIAH
Knoxville McGhee Tyson
Wed 5/20
11:35 am-1:12 pm
Nonstop2h 37m
Houston George Bush Intcntl
Wed 5/27
7:50 pm-11:12 pm
Nonstop2h 22m
$289
KnoxvilleHouston
TYS - HOU
TYSHOU
Knoxville McGhee Tyson
Mon 6/1
5:59 pm-10:26 pm
1 stop5h 27m
Houston Hobby
Mon 6/15
6:03 am-11:09 am
1 stop4h 06m
$289
KnoxvilleHouston
TYS - HOU
TYSHOU
Knoxville McGhee Tyson
Sat 9/5
4:00 pm-9:35 pm
1 stop6h 35m
Houston Hobby
Wed 9/16
10:05 am-3:07 pm
1 stop4h 02m
$289
KnoxvilleHouston
TYS - HOU
TYSHOU
Knoxville McGhee Tyson
Thu 7/16
11:55 am-4:23 pm
1 stop5h 28m
Houston Hobby
Tue 7/21
6:00 am-11:05 am
1 stop4h 05m
$289
KnoxvilleHouston
TYS - IAH
TYSIAH
Knoxville McGhee Tyson
Thu 6/18
11:55 am-3:13 pm
1 stop4h 18m
Houston George Bush Intcntl
Thu 6/25
8:05 am-2:49 pm
1 stop5h 44m
$289
KnoxvilleHouston
TYS - IAH
TYSIAH
Knoxville McGhee Tyson
Fri 7/3
3:54 pm-9:34 pm
1 stop6h 40m
Houston George Bush Intcntl
Sun 7/5
7:02 am-2:49 pm
1 stop6h 47m
$289
KnoxvilleHouston
TYS - HOU
TYSHOU
Knoxville McGhee Tyson
Thu 5/21
5:40 am-9:32 am
1 stop4h 52m
Houston Hobby
Tue 5/26
5:02 pm-11:56 pm
1 stop5h 54m
$309
KnoxvilleHouston
TYS - HOU
TYSHOU
Knoxville McGhee Tyson
Fri 7/17
6:05 pm-9:51 pm
1 stop4h 46m
Houston Hobby
Sun 7/19
6:00 am-11:05 am
1 stop4h 05m
$314
Showing 1-10 of 42 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
How far ahead should I book a flight from Knoxville to Houston?
The best time to book flights from Knoxville to Houston is 82 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 $47). 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 May 5, 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?
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 May 5, 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.
Crew
8.5
Comfort
7.9
Boarding
8.1
Overall
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Crew
8.5
Comfort
7.9
Boarding
8.1
Overall
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Crew
8.5
Comfort
7.9
Boarding
8.1
Overall
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Crew
8.5
Comfort
7.9
Boarding
8.1
Overall
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
Crew
8.5
Comfort
7.9
Boarding
8.1
Overall
7.9
Food
7.2
Entertainment
7.8
Reviews
1 / 20
4.0
OkayJoel,May 2026
ATL - JAX
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.
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Alternative routes for Knoxville to Houston
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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 May 5, 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 May 5, 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 May 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$50 | Average$128 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$209 | Average$352 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$228 | Average$363 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$228 | Average$288 | FlexibilityNo cancel fee | On-timeN/A |