$42+ 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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — TYS
Aug 5 — Aug 121
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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 June or August, booked 88 days in advance, depart on a Saturday or Tuesday and return on a Sunday
Cheap flight deals from Houston to Knoxville
Cheapest
Best
Last-minute
One-way
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 July 6, 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 July 6, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 7/1. 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 9/284:27 pm
HOU
- TYS
Nonstop2h 07m
Allegiant Air
Fri 10/212:57 pm
TYS
- HOU
Nonstop2h 17m
Allegiant Air
Deal found 7/1![Allegiant Air logo]()
$90
This Trip.com deal was found by Cheapflights users on 7/5. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/37:39 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Fri 8/75:54 pm
TYS
- HOU
Nonstop2h 19m
Allegiant Air
Deal found 7/5![Allegiant Air logo]()
$97
This Cheapflightsfares deal was found by Cheapflights users on 7/1. 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 7/137:39 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Mon 7/275:32 pm
TYS
- HOU
Nonstop2h 17m
Allegiant Air
Deal found 7/1![Allegiant Air logo]()
$113
This CheapOair deal was found by Cheapflights users on 7/1. 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 7/107:39 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Mon 7/135:32 pm
TYS
- HOU
Nonstop2h 17m
Allegiant Air
Deal found 7/1![Allegiant Air logo]()
$120
This Cheapflightsfares deal was found by Cheapflights users on 7/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:09 pm
HOU
- TYS
Nonstop2h 07m
Allegiant Air
Mon 11/2312:46 pm
TYS
- HOU
Nonstop2h 23m
Allegiant Air
Deal found 7/3![Allegiant Air logo]()
$134
This Trip.com deal was found by Cheapflights users on 7/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/78:03 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Mon 8/105:54 pm
TYS
- HOU
Nonstop2h 19m
Allegiant Air
Deal found 7/4![Allegiant Air logo]()
$140
This eDestinos deal was found by Cheapflights users on 7/4. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:19 pm
HOU
- TYS
Nonstop2h 04m
Allegiant Air
Mon 10/122:57 pm
TYS
- HOU
Nonstop2h 17m
Allegiant Air
Deal found 7/4![Allegiant Air logo]()
$141
This Cheapflightsfares deal was found by Cheapflights users on 7/1. 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.
Fri 9/46:32 pm
HOU
- TYS
Nonstop2h 07m
Allegiant Air
Mon 9/71:17 pm
TYS
- HOU
Nonstop2h 20m
Allegiant Air
Deal found 7/1![Allegiant Air logo]()
$155
This CheapOair deal was found by Cheapflights users on 7/2. 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 7/207:39 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Fri 7/245:32 pm
TYS
- HOU
Nonstop2h 17m
Allegiant Air
Deal found 7/2![Allegiant Air logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
Mon 8/171:16 pm
IAH
- TYS
1 stop8h 28m
Multiple Airlines
Mon 8/242:51 pm
TYS
- IAH
1 stop24h 41m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 8/106:00 am
IAH
- TYS
2 stops15h 24m
Multiple Airlines
Fri 8/146:29 pm
TYS
- IAH
1 stop24h 56m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/36:00 am
IAH
- TYS
2 stops15h 00m
Multiple Airlines
Mon 8/106:29 pm
TYS
- IAH
1 stop15h 16m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$218
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 July 6, 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 July 6, 2026.
This Southwest deal was found by Cheapflights users on 7/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/171:20 pm
HOU
- TYS
1 stop4h 15m
Southwest
Mon 8/2412:40 pm
TYS
- HOU
1 stop8h 20m
Southwest
Deal found 7/5![Southwest logo]()
$199
This Delta deal was found by Cheapflights users on 7/1. 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.
Thu 12/36:00 am
HOU
- TYS
1 stop6h 23m
Delta
Sun 12/65:30 am
TYS
- HOU
1 stop4h 56m
Delta
Deal found 7/1![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 7/5. 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 7/242:45 pm
IAH
- TYS
Nonstop2h 22m
United Airlines
Tue 7/287:15 am
TYS
- IAH
Nonstop2h 25m
United Airlines
Deal found 7/5![United Airlines logo]()
$389
This Southwest deal was found by Cheapflights users on 7/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/211:20 pm
HOU
- TYS
1 stop4h 15m
Southwest
Mon 8/2412:40 pm
TYS
- HOU
1 stop8h 20m
Southwest
Deal found 7/5![Southwest logo]()
$199
This Southwest deal was found by Cheapflights users on 7/1. 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.
Wed 7/297:45 am
HOU
- TYS
1 stop8h 15m
Southwest
Sat 8/112:30 pm
TYS
- HOU
2 stops9h 05m
Southwest
Deal found 7/1![Southwest logo]()
$204
This Delta deal was found by Cheapflights users on 7/4. 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 10/55:26 pm
HOU
- TYS
1 stop5h 29m
Delta
Mon 10/126:21 pm
TYS
- HOU
1 stop5h 48m
Delta
Deal found 7/4![Delta logo]()
$289
This Southwest deal was found by Cheapflights users on 7/2. 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.
Thu 7/303:25 pm
HOU
- TYS
1 stop6h 10m
Southwest
Mon 8/37:45 pm
TYS
- HOU
1 stop6h 05m
Southwest
Deal found 7/2![Southwest logo]()
$244
This Delta deal was found by Cheapflights users on 7/4. 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.
Thu 11/55:28 pm
HOU
- TYS
1 stop5h 31m
Delta
Sat 11/76:21 pm
TYS
- HOU
1 stop5h 48m
Delta
Deal found 7/4![Delta logo]()
$289
This Delta deal was found by Cheapflights users on 7/4. 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.
Thu 9/1011:01 am
HOU
- TYS
1 stop4h 42m
Delta
Sun 9/139:37 am
TYS
- HOU
1 stop4h 42m
Delta
Deal found 7/4![Delta logo]()
$289
This Southwest deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 8/11:20 pm
HOU
- TYS
2 stops7h 05m
Southwest
Mon 8/36:40 am
TYS
- HOU
2 stops6h 20m
Southwest
Deal found 7/6![Southwest logo]()
$274
This Delta deal was found by Cheapflights users on 7/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:41 am
IAH
- TYS
1 stop4h 30m
Delta
Mon 8/246:12 pm
TYS
- IAH
1 stop4h 09m
Delta
Deal found 7/5![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 7/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:15 am
IAH
- TYS
1 stop6h 02m
United Airlines
Mon 8/247:15 am
TYS
- IAH
Nonstop2h 29m
United Airlines
Deal found 7/3![United Airlines logo]()
$389
This Delta deal was found by Cheapflights users on 7/3. 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.
Fri 9/46:36 pm
IAH
- TYS
1 stop4h 16m
Delta
Mon 9/75:40 am
TYS
- IAH
1 stop4h 35m
Delta
Deal found 7/3![Delta logo]()
$314
This United Airlines deal was found by Cheapflights users on 7/2. 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.
Fri 7/247:50 pm
IAH
- TYS
Nonstop2h 22m
United Airlines
Mon 7/276:00 am
TYS
- IAH
1 stop6h 51m
United Airlines
Deal found 7/2![United Airlines logo]()
$420
This United Airlines deal was found by Cheapflights users on 7/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/177:50 pm
IAH
- TYS
Nonstop2h 22m
United Airlines
Fri 7/244:56 pm
TYS
- IAH
1 stop7h 10m
United Airlines
Deal found 7/3![United Airlines logo]()
$424
This United Airlines deal was found by Cheapflights users on 7/4. 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.
Mon 9/286:35 pm
IAH
- TYS
Nonstop2h 20m
United Airlines
Fri 10/212:05 pm
TYS
- IAH
Nonstop2h 25m
United Airlines
Deal found 7/4![United Airlines logo]()
$427
This United Airlines deal was found by Cheapflights users on 7/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/312:45 pm
IAH
- TYS
Nonstop2h 22m
United Airlines
Fri 8/73:25 pm
TYS
- IAH
Nonstop2h 25m
United Airlines
Deal found 7/3![United Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 7/5. 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.
Thu 9/106:25 pm
IAH
- TYS
Nonstop2h 20m
United Airlines
Sun 9/137:15 am
TYS
- IAH
Nonstop2h 29m
United Airlines
Deal found 7/5![United Airlines logo]()
$444
This United Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 7/177:50 pm
IAH
- TYS
Nonstop2h 22m
United Airlines
Mon 7/203:25 pm
TYS
- IAH
Nonstop2h 25m
United Airlines
Deal found 7/6![United Airlines logo]()
$459
Last-minute flights from Houston to KnoxvilleDiscover last-minute flight deals from Houston to Knoxville. Data last updated July 6, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to Knoxville. Data last updated July 6, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 7/1. 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 7/107:39 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Mon 7/135:32 pm
TYS
- HOU
Nonstop2h 17m
Allegiant Air
Deal found 7/1![Allegiant Air logo]()
$120
This Cheapflightsfares deal was found by Cheapflights users on 7/1. 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 7/137:39 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Mon 7/275:32 pm
TYS
- HOU
Nonstop2h 17m
Allegiant Air
Deal found 7/1![Allegiant Air logo]()
$113
This CheapOair deal was found by Cheapflights users on 7/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/177:39 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Fri 7/245:32 pm
TYS
- HOU
Nonstop2h 17m
Allegiant Air
Deal found 7/3![Allegiant Air logo]()
$165
This CheapOair deal was found by Cheapflights users on 7/2. 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 7/207:39 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Fri 7/245:32 pm
TYS
- HOU
Nonstop2h 17m
Allegiant Air
Deal found 7/2![Allegiant Air logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 7/247:39 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Fri 7/315:32 pm
TYS
- HOU
Nonstop2h 17m
Allegiant Air
Deal found 7/2![Allegiant Air logo]()
$177
This Trip.com deal was found by Cheapflights users on 7/5. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/37:39 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Fri 8/75:54 pm
TYS
- HOU
Nonstop2h 19m
Allegiant Air
Deal found 7/5![Allegiant Air logo]()
$97
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/36:00 am
IAH
- TYS
2 stops15h 00m
Multiple Airlines
Mon 8/106:29 pm
TYS
- IAH
1 stop15h 16m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$218
This Trip.com deal was found by Cheapflights users on 7/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/78:03 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Mon 8/105:54 pm
TYS
- HOU
Nonstop2h 19m
Allegiant Air
Deal found 7/4![Allegiant Air logo]()
$140
This Kiwi.com deal was found by Cheapflights users on 7/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/78:16 am
IAH
- TYS
1 stop25h 10m
Multiple Airlines
Mon 8/106:29 pm
TYS
- IAH
1 stop15h 16m
Multiple Airlines
Deal found 7/4![Multiple Airlines logo]()
$219
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 8/106:00 am
IAH
- TYS
2 stops15h 24m
Multiple Airlines
Fri 8/146:29 pm
TYS
- IAH
1 stop24h 56m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$216
This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
Mon 8/171:16 pm
IAH
- TYS
1 stop8h 28m
Multiple Airlines
Mon 8/242:51 pm
TYS
- IAH
1 stop24h 41m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$193
This Southwest deal was found by Cheapflights users on 7/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:55 am
HOU
- TYS
1 stop3h 25m
Southwest
Mon 8/2412:40 pm
TYS
- HOU
1 stop8h 20m
Southwest
Deal found 7/3![Southwest logo]()
$199
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 July 6, 2026.
Search for one-way flight options from Houston to Knoxville. Find affordable one-way fares based on user searches. Data last updated July 6, 2026.
This Super.com deal was found by Cheapflights users on 7/4. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/37:39 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Deal found 7/4![Allegiant Air logo]()
$42
This Cheapflightsfares deal was found by Cheapflights users on 7/1. 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 10/195:04 pm
HOU
- TYS
Nonstop2h 04m
Allegiant Air
Deal found 7/1![Allegiant Air logo]()
$59
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 7/137:39 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Deal found 7/2![Allegiant Air logo]()
$65
This CheapOair deal was found by Cheapflights users on 7/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/165:09 pm
HOU
- TYS
Nonstop2h 07m
Allegiant Air
Deal found 7/3![Allegiant Air logo]()
$69
This CheapOair deal was found by Cheapflights users on 7/5. 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 CheapOair 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
Deal found 7/5![Allegiant Air logo]()
$91
This Southwest deal was found by Cheapflights users on 7/4. 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.
Mon 8/32:10 pm
HOU
- TYS
1 stop6h 05m
Southwest
Deal found 7/4![Southwest logo]()
$100
This CheapOair deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” 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 7/207:39 pm
HOU
- TYS
Nonstop2h 09m
Allegiant Air
Deal found 7/6![Allegiant Air logo]()
$102
This Southwest deal was found by Cheapflights users on 7/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1911:00 am
HOU
- TYS
2 stops7h 50m
Southwest
Deal found 7/5![Southwest logo]()
$105
This Kiwi.com deal was found by Cheapflights users on 7/2. 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 8/273:25 pm
IAH
- TYS
1 stop26h 40m
Multiple Airlines
Deal found 7/2![Multiple Airlines logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:00 am
IAH
- TYS
2 stops33h 25m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 7/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:35 am
IAH
- TYS
1 stop24h 29m
Multiple Airlines
Deal found 7/5![Multiple Airlines logo]()
$126
This Super.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/206:30 am
IAH
- TYS
1 stop11h 54m
Frontier
Deal found 7/6![Frontier logo]()
$129
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 July 6, 2026.
Round-trip from | $90 (Cheapflightsfares) |
|---|---|
One-way from | $42 (Super.com) |
Popular in | March |
Cheapest in | June |
Average price | $251 |
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 July 6, 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
Mon 8/17
1:20 pm-6:35 pm
1 stop4h 15m
Knoxville McGhee Tyson
Mon 8/24
12:40 pm-8:00 pm
1 stop8h 20m
$199
HoustonKnoxville
HOU - TYS
HOUTYS
Houston Hobby
Fri 8/21
1:20 pm-6:35 pm
1 stop4h 15m
Knoxville McGhee Tyson
Mon 8/24
12:40 pm-8:00 pm
1 stop8h 20m
$199
HoustonKnoxville
HOU - TYS
HOUTYS
Houston Hobby
Wed 7/29
7:45 am-5:00 pm
1 stop8h 15m
Knoxville McGhee Tyson
Sat 8/1
12:30 pm-8:35 pm
2 stops9h 05m
$204
HoustonKnoxville
HOU - TYS
HOUTYS
Houston Hobby
Thu 7/30
3:25 pm-10:35 pm
1 stop6h 10m
Knoxville McGhee Tyson
Mon 8/3
7:45 pm-12:50 am
1 stop6h 05m
$244
HoustonKnoxville
HOU - TYS
HOUTYS
Houston Hobby
Sat 8/1
1:20 pm-9:25 pm
2 stops7h 05m
Knoxville McGhee Tyson
Mon 8/3
6:40 am-12:00 pm
2 stops6h 20m
$274
HoustonKnoxville
HOU - TYS
HOUTYS
Houston Hobby
Thu 12/3
6:00 am-1:23 pm
1 stop6h 23m
Knoxville McGhee Tyson
Sun 12/6
5:30 am-9:26 am
1 stop4h 56m
$289
HoustonKnoxville
HOU - TYS
HOUTYS
Houston Hobby
Mon 10/5
5:26 pm-11:55 pm
1 stop5h 29m
Knoxville McGhee Tyson
Mon 10/12
6:21 pm-11:09 pm
1 stop5h 48m
$289
HoustonKnoxville
HOU - TYS
HOUTYS
Houston Hobby
Thu 11/5
5:28 pm-11:59 pm
1 stop5h 31m
Knoxville McGhee Tyson
Sat 11/7
6:21 pm-11:09 pm
1 stop5h 48m
$289
HoustonKnoxville
HOU - TYS
HOUTYS
Houston Hobby
Thu 9/10
11:01 am-4:43 pm
1 stop4h 42m
Knoxville McGhee Tyson
Sun 9/13
9:37 am-1:19 pm
1 stop4h 42m
$289
HoustonKnoxville
IAH - TYS
IAHTYS
Houston George Bush Intcntl
Thu 8/20
5:41 am-11:11 am
1 stop4h 30m
Knoxville McGhee Tyson
Mon 8/24
6:12 pm-9:21 pm
1 stop4h 09m
$289
Showing 1-10 of 36 resultsSorted by cheapest first
Best time to book a flight from Houston to Knoxville
Have a flexible travel schedule? Discover the best time to fly to Knoxville from Houston with our price prediction graph.
HO1-TYS
HOU-TYS
IAH-TYS
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Houston to Knoxville
HO1-TYS
HOU-TYS
IAH-TYS
What is the cheapest month to book a flight from Houston to Knoxville?
Currently, May is the cheapest month in which you can book a flight from Houston to Knoxville (average of $24). Flying from Houston to Knoxville in March is currently the most expensive (average of $218). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from HOU to TYS?
Find hourly flight availability from Houston to Knoxville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 6, 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 32% versus a flight at noon.
How much does it cost to fly round-trip from Houston to Knoxville?
How far ahead should I book a flight from Houston to Knoxville?
Booking 85 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston to Knoxville. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest day to fly from Houston to Knoxville?
Use this chart to determine the cheapest time to fly round-trip from Houston to Knoxville. Price data was last updated on July 4, 2026.
Travelers seeking maximum savings on their Houston to Knoxville flight should consider departing on Wednesday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Knoxville
Get insights into the airlines that provide service to Knoxville. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Knoxville. Reviews last updated July 6, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Houston to Knoxville have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Boarding
8.1
Comfort
8.0
Crew
8.6
Food
7.0
Entertainment
7.5
Overall
7.9
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Related info for your journey
Find useful and relevant information for your journey from Houston to Knoxville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Knoxville?
Book flights to Knoxville if you plan to visit one of these locationsCherokee
Crossville
Morristown
Bryson City
Murphy
Alcoa
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Knoxville flight routes
Other flight options
Popular flights
Alternative routes for Houston to Knoxville
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Knoxville by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Houston to Knoxville by cabin class
Find flights from Houston to Knoxville, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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 July 6, 2026.
Houston and Knoxville flights
Browse other Houston and Knoxville flight options. Last updated on July 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Houston to Knoxville
Discover the top 5 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 July 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$62 | Average$117 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$209 | Average$419 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$210 | Average$341 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$228 | Average$372 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$270 | Average$401 | FlexibilityNo cancel fee | On-time63% |