Cheap Flights from Houston, TX to Knoxville, TN from $39
Return flight: Knoxville – Houston
On Cheapflightsplus.com you will find 7 direct and 303 connecting flights from Houston to Knoxville. You can compare airfare deals from 5 airlines and multiple travel sites from $39, book and save on cheap plane tickets and last minute offers. Also check out HOU-TYS flight schedule to find best flight time, convenient departure and arrival airports.
Find One-Way and Round-Trip Houston to Knoxville Flight Deals
To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights».
To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight.
Cheapest flights in November: $39 (one-way), $67 (round-trip).
Direct flights
Check prices for return flight
Best Flights from Houston to Knoxville Today
Take a look at the list of non stop flights and flights with layovers from Houston to Knoxville with the lowest price of $39. The fastest direct flight takes 2h 1m and the fastest connecting – 5h 43m.
| Price | Departure | Arrival | Flight Duration | Airline | Flight |
|---|---|---|---|---|---|
| from $39 | 20:02 Houston Hobby | 23:03 Knoxville Mc Ghee Tyson | 2h 1m | Allegiant Air | G43027 |
| from $205 | 16:20 Houston George Bush | 19:34 Knoxville Mc Ghee Tyson | 2h 14m | United Airlines | UA4900 |
| from $84 | 19:15 Houston George Bush | 22:17+1 день Knoxville Mc Ghee Tyson | 26h 2m layover 22h 20m - Clearwater | Spirit Airlines | NK2024 G43035 |
| from $87 | 05:20 Houston George Bush | 20:41 Knoxville Mc Ghee Tyson | 14h 21m layover 10h 16m - Sanford | Spirit Airlines | NK1571 G42839 |
| from $92 | 06:00 Houston George Bush | 16:29 Knoxville Mc Ghee Tyson | 9h 29m layover 4h 1m - Denver | Frontier Airlines | F93229 F92374 |
| from $92 | 19:15 Houston George Bush | 12:39+1 день Knoxville Mc Ghee Tyson | 16h 24m layover 12h 42m - Clearwater | Spirit Airlines | NK2024 G43022 |
| from $96 | 20:05 Houston George Bush | 13:23+1 день Knoxville Mc Ghee Tyson | 16h 18m layover 12h 19m - Clearwater | Spirit Airlines | NK3126 G41417 |
| from $96 | 22:04 Houston George Bush | 16:29+1 день Knoxville Mc Ghee Tyson | 17h 25m layover 11h 53m - Denver | Frontier Airlines | F93227 F92374 |
| from $97 | 06:30 Houston George Bush | 16:47 Knoxville Mc Ghee Tyson | 9h 17m layover 4h 45m - Washington D.C. | Spirit Airlines | NK2174 G41398 |
| from $100 | 05:20 Houston George Bush | 15:06 Knoxville Mc Ghee Tyson | 8h 46m layover 4h 41m - Sanford | Spirit Airlines | NK1571 G41322 |
| from $104 | 21:06 Houston George Bush | 11:11+1 день Knoxville Mc Ghee Tyson | 13h 5m layover 9h 32m - Clearwater | Spirit Airlines | NK2024 G43046 |
| from $108 | 17:54 Houston Hobby | 16:12+1 день Knoxville Mc Ghee Tyson | 21h 18m layover 16h 31m - Minneapolis | Sun Country Airlines | SY682 G43062 |
| from $111 | 18:35 Houston Hobby | 16:12+1 день Knoxville Mc Ghee Tyson | 20h 37m layover 15h 50m - Minneapolis | Sun Country Airlines | SY682 G43063 |
| from $108 | 20:03 Houston Hobby | 15:02+1 день Knoxville Mc Ghee Tyson | 17h 59m layover 8h 43m - Fletcher 3h 5m - Miami | Allegiant Air | G4249 G41847 G4509 |
| from $112 | 20:03 Houston Hobby | 18:14+1 день Knoxville Mc Ghee Tyson | 21h 11m layover 10h 43m - Fletcher 5h 10m - Sanford | Allegiant Air | G4249 G4270 G43040 |
| from $112 | 20:03 Houston Hobby | 21:42+1 день Knoxville Mc Ghee Tyson | 24h 39m layover 14h 53m - Fletcher 4h 42m - Fort Walton Beach | Allegiant Air | G4249 G4263 G41396 |
Show all tickets
*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on June 25, 2025
Flight Schedule Houston (Texas) to Knoxville (Tennessee)
Full flight schedule will help you in detecting at what time planes fly from Houston to Knoxville. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
| Departure | Arrival | Flight Details | Flight Duration | Price |
|---|---|---|---|---|
|
10:01 — 13:24
|
10:01 — 13:24
UA4887
United Airlines
Houston — Knoxville
|
2h 23m |
Find flight
from$206 |
|
|
11:55 — 15:18
|
11:55 — 15:18
UA6017
United Airlines
Houston — Knoxville
|
2h 23m |
Find flight
from$205 |
|
|
11:55 — 15:18
|
11:55 — 15:18
UA6093
United Airlines
Houston — Knoxville
|
2h 23m |
Find flight
from$206 |
|
|
14:20 — 17:37
|
14:20 — 17:37
UA4890
United Airlines
Houston — Knoxville
|
2h 17m |
Find flight
from$205 |
|
|
16:20 — 19:34
|
16:20 — 19:34
UA4900
United Airlines
Houston — Knoxville
|
2h 14m |
Find flight
from$205 |
|
|
20:02 — 23:03
|
20:02 — 23:03
G43027
Allegiant Air
Houston — Knoxville
|
2h 1m |
Find flight
from$39 |
|
|
20:05 — 23:19
|
20:05 — 23:19
UA4810
United Airlines
Houston — Knoxville
|
2h 14m |
Find flight
from$205 |
|
|
05:20 — 20:41
|
05:20 — 08:50
NK1571
Spirit Airlines
Houston — Sanford
10h 16m stop
19:06 — 20:41
G42839
Allegiant Air
Sanford — Knoxville
|
14h 21m including layover |
Find flight
from$87 |
|
|
05:20 — 15:06
|
05:20 — 08:50
NK1571
Spirit Airlines
Houston — Sanford
4h 41m stop
13:31 — 15:06
G41322
Allegiant Air
Sanford — Knoxville
|
8h 46m including layover |
Find flight
from$100 |
|
|
06:00 — 16:29
|
06:00 — 07:50
F93229
Frontier Airlines
Houston — Denver
4h 1m stop
11:41 — 16:35
F92374
Frontier Airlines
Denver — Knoxville
|
9h 29m including layover |
Find flight
from$92 |
|
|
06:30 — 16:47
|
06:30 — 10:28
NK2174
Spirit Airlines
Houston — Washington D.C.
4h 45m stop
15:13 — 16:47
G41398
Allegiant Air
Washington D.C. — Knoxville
|
9h 17m including layover |
Find flight
from$97 |
|
|
14:18 — 18:53
+1 day
|
14:18 — 17:52
NK1375
Spirit Airlines
Houston — Orlando
23h 25m stop
17:17 — 18:53
G43042
Allegiant Air
Orlando — Knoxville
|
27h 35m including layover |
Find flight
from$126 |
|
|
17:43 — 08:17
+1 day
|
17:43 — 21:10
NK2085
Spirit Airlines
Houston — Miami
9h 5m stop
06:15 — 08:17
G4508
Allegiant Air
Miami — Knoxville
|
13h 34m including layover |
Find flight
from$130 |
|
|
17:54 — 16:12
+1 day
|
17:54 — 20:38
SY682
Sun Country Airlines
Houston — Minneapolis
16h 31m stop
13:09 — 16:12
G43062
Allegiant Air
Minneapolis — Knoxville
|
21h 18m including layover |
Find flight
from$108 |
|
|
18:35 — 16:12
+1 day
|
18:18 — 21:02
SY682
Sun Country Airlines
Houston — Minneapolis
15h 50m stop
13:08 — 16:11
G43063
Allegiant Air
Minneapolis — Knoxville
|
20h 37m including layover |
Find flight
from$111 |
|
|
19:15 — 22:17
+1 day
|
19:15 — 22:17
NK2024
Spirit Airlines
Houston — Clearwater
22h 20m stop
20:37 — 22:17
G43035
Allegiant Air
Clearwater — Knoxville
|
26h 2m including layover |
Find flight
from$84 |
|
|
19:15 — 12:39
+1 day
|
19:15 — 22:17
NK2024
Spirit Airlines
Houston — Clearwater
12h 42m stop
10:59 — 12:39
G43022
Allegiant Air
Clearwater — Knoxville
|
16h 24m including layover |
Find flight
from$92 |
|
|
20:05 — 13:23
+1 day
|
20:05 — 23:23
NK3126
Spirit Airlines
Houston — Clearwater
12h 19m stop
11:42 — 13:23
G41417
Allegiant Air
Clearwater — Knoxville
|
16h 18m including layover |
Find flight
from$96 |
|
|
21:06 — 11:11
+1 day
|
17:53 — 21:01
NK2024
Spirit Airlines
Houston — Clearwater
9h 32m stop
15:22 — 17:03
G43046
Allegiant Air
Clearwater — Knoxville
|
13h 5m including layover |
Find flight
from$104 |
|
|
21:06 — 22:56
+1 day
|
21:06 — 23:59
NK2024
Spirit Airlines
Houston — Clearwater
21h 17m stop
21:16 — 22:56
G43047
Allegiant Air
Clearwater — Knoxville
|
24h 50m including layover |
Find flight
from$114 |
|
|
22:04 — 16:29
+1 day
|
21:05 — 23:02
F93227
Frontier Airlines
Houston — Denver
11h 53m stop
11:41 — 16:35
F92374
Frontier Airlines
Denver — Knoxville
|
17h 25m including layover |
Find flight
from$96 |
|
|
09:00 — 20:41
|
09:00 — 12:39
NK910
Spirit Airlines
Houston — Miami
59m stop
13:38 — 14:47
NK196
Spirit Airlines
Miami — Sanford
4h 19m stop
19:06 — 20:41
G42839
Allegiant Air
Sanford — Knoxville
|
10h 41m including layover |
Find flight
from$119 |
|
|
09:23 — 20:31
+1 day
|
09:23 — 12:08
NK1145
Spirit Airlines
Houston — Chicago
4h 30m stop
16:38 — 20:27
NK529
Spirit Airlines
Chicago — Clearwater
22h 26m stop
18:53 — 20:31
G43061
Allegiant Air
Clearwater — Knoxville
|
34h 8m including layover |
Find flight
from$118 |
|
|
12:48 — 20:31
+1 day
|
12:48 — 15:35
NK1338
Spirit Airlines
Houston — Chicago
1h 3m stop
16:38 — 20:27
NK529
Spirit Airlines
Chicago — Clearwater
22h 26m stop
18:53 — 20:31
G43061
Allegiant Air
Clearwater — Knoxville
|
30h 43m including layover |
Find flight
from$118 |
|
|
12:48 — 17:29
+1 day
|
12:48 — 15:35
NK1338
Spirit Airlines
Houston — Chicago
1h 3m stop
16:38 — 20:27
NK529
Spirit Airlines
Chicago — Clearwater
19h 24m stop
15:51 — 17:29
G43050
Allegiant Air
Clearwater — Knoxville
|
27h 41m including layover |
Find flight
from$126 |
|
|
14:18 — 11:18
+1 day
|
14:18 — 17:52
NK1375
Spirit Airlines
Houston — Orlando
1h 48m stop
19:40 — 20:53
NK675
Spirit Airlines
Orlando — Miami
12h 22m stop
09:15 — 11:18
G4531
Allegiant Air
Miami — Knoxville
|
20h including layover |
Find flight
from$122 |
|
|
15:50 — 20:31
+1 day
|
15:50 — 19:31
NK910
Spirit Airlines
Houston — Miami
2h 28m stop
21:59 — 23:06
NK1954
Spirit Airlines
Miami — Clearwater
19h 47m stop
18:53 — 20:31
G43061
Allegiant Air
Clearwater — Knoxville
|
27h 41m including layover |
Find flight
from$118 |
|
|
15:50 — 17:29
+1 day
|
15:50 — 19:31
NK910
Spirit Airlines
Houston — Miami
2h 28m stop
21:59 — 23:06
NK1954
Spirit Airlines
Miami — Clearwater
16h 45m stop
15:51 — 17:29
G43050
Allegiant Air
Clearwater — Knoxville
|
24h 39m including layover |
Find flight
from$126 |
|
|
16:05 — 10:11
+1 day
|
16:05 — 17:14
NK2065
Spirit Airlines
Houston — New Orleans
3h 56m stop
21:10 — 00:02
NK2558
Spirit Airlines
New Orleans — Orlando
8h 25m stop
08:27 — 10:11
G43064
Allegiant Air
Orlando — Knoxville
|
17h 6m including layover |
Find flight
from$129 |
|
|
18:58 — 16:47
+1 day
|
18:58 — 22:50
NK524
Spirit Airlines
Houston — Detroit
7h 20m stop
06:10 — 07:39
NK1553
Spirit Airlines
Detroit — Washington D.C.
7h 34m stop
15:13 — 16:47
G41398
Allegiant Air
Washington D.C. — Knoxville
|
20h 49m including layover |
Find flight
from$125 |
|
*Departure and arrival times - local. Updated on June 25, 2025
Flight Information
Below we will explain in detail what the flights cost on the destination from Houston to Knoxville depends on and how to choose the most interesting flight option for you.
Distance between Houston and Knoxville is 1257 miles. Time difference between the cities is 1h. Airplanes depart 05:00 to 22:04 from 15 Houston airports and arrive 05:00 to 22:04 to 1 Knoxville airport. Average flight time is 2h 17m.
- The fastest flight 2h 1m
- Average flight time 2h 17m
- The earliest flight 05:00
- The latest flight 22:04
- Distance 782 ml
The cheapest months to travel to Knoxville are august (from 53 $), may (from 91 $), june (from 113 $).
The most expensive months are december (from 561 $), september (from 158 $), july (from 129 $).
What is the lowest airfare Houston to Knoxville?
The cheapest plane ticket found by our users is $39. This airfare is for economy class on one-way G43027 flight by Allegiant Air for August 15, 2025 which leaves Hobby in Houston at 20:02 am and arrives at Knoxville Mc Ghee Tyson at 23:03.
Economy class
$39
Business class
?
First class
?
Popular Airlines on the Route
The flight Houston — Knoxville is served by 5 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by Frontier Airlines - 2 departures per week at the price of from $ 92 . And the most expensive tickets are offered by United Airlines airline - from $ 506.
Direct flights
There are 7 nonstop flights on the route. The fastest direct flight is G43027 by Allegiant Air takes 2h 1m and the cheapest is G43027 by Allegiant Air for $39.
- UA - United Airlinesfrom $205Find
- G4 - Allegiant Airfrom $39Find
See more direct flights
Connecting Flights
There are 303 flights with layovers on the route. The fastest connecting flight is UA2417 by United Airlines takes 5h 43m and the cheapest is G43027 by Allegiant Air for $84.
- F9 - Frontier Airlinesfrom $92Find
- SY - Sun Country Airlinesfrom $108Find
- UA - United Airlinesfrom $208Find
- NK - Spirit Airlinesfrom $84Find
- G4 - Allegiant Airfrom $108Find
See more connecting flights
Airports
You can fly from Houston to Knoxville from 15 airports (Ellington Field, West Houston, Hobby, Park Ten Heliport, Andrau Airpark, George Bush, Greenway Plaza H/P, David Wayne Hooks, Transco Twr Galleria, Westchase Hilton H/P, Spaceland, Woodlawns, Marriot Astrodome Heliport, Central Bus. District, Houston Municipal).
Houston airports
- Ellington Field-EFDFind
- West Houston-IWSFind
- Hobby-HOUfrom $39Find
- Park Ten Heliport-JPTFind
- Andrau Airpark-AAPFind
- George Bush-IAHfrom $84Find
- Greenway Plaza H/P-JGPFind
- David Wayne Hooks-DWHFind
- Transco Twr Galleria-JGQFind
- Westchase Hilton H/P-JWHFind
- Spaceland-SPXFind
- Woodlawns-JWLFind
- Marriot Astrodome Heliport-JMAFind
- Central Bus. District-JDXFind
- Houston Municipal-SGRFind
Knoxville airports
- Mc Ghee Tyson-TYSFind
Airplanes
There are flights to Knoxville from Houston by 5 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from Houston
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Top International Destinations from Houston
Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.
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How to book a plane ticket yourself?
- Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
- Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
- Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
- Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
- That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
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