Cheap Flights from Knoxville, TN to Houston, TX from $39
Return flight: Houston – Knoxville
On Cheapflightsplus.com you will find 8 direct and 307 connecting flights from Knoxville to Houston. You can compare airfare deals from 3 airlines and multiple travel sites from $39, book and save on cheap plane tickets and last minute offers. Also check out TYS-HOU flight schedule to find best flight time, convenient departure and arrival airports.
Find One-Way and Round-Trip Knoxville to Houston 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 Knoxville to Houston Today
Take a look at the list of non stop flights and flights with layovers from Knoxville to Houston with the lowest price of $39. The fastest direct flight takes 2h 11m and the fastest connecting – 5h 38m.
| Price | Departure | Arrival | Flight Duration | Airline | Flight |
|---|---|---|---|---|---|
| from $39 | 17:02 Knoxville Mc Ghee Tyson | 18:13 Houston Hobby | 2h 11m | Allegiant Air | G41437 |
| from $39 | 17:47 Knoxville Mc Ghee Tyson | 19:12 Houston Hobby | 2h 25m | Allegiant Air | G43041 |
| from $204 | 07:00 Knoxville Mc Ghee Tyson | 08:24 Houston George Bush | 2h 24m | United Airlines | UA4913 |
| from $76 | 12:45 Knoxville Mc Ghee Tyson | 14:06+1 день Houston George Bush | 26h 21m layover 21h 10m - Baltimore | Allegiant Air | G41397 NK2175 |
| from $81 | 17:25 Knoxville Mc Ghee Tyson | 23:36 Houston George Bush | 7h 11m layover 1h 13m - Denver | Frontier Airlines | F94369 F92996 |
| from $98 | 11:01 Knoxville Mc Ghee Tyson | 20:54 Houston Hobby | 10h 53m layover 5h 41m - Minneapolis | Allegiant Air | G43064 SY1681 |
| from $100 | 21:08 Knoxville Mc Ghee Tyson | 07:48+1 день Houston George Bush | 11h 40m layover 6h 52m - Miami | Allegiant Air | G42158 NK2082 |
| from $104 | 07:10 Knoxville Mc Ghee Tyson | 13:22 Houston George Bush | 7h 12m layover 1h 33m - Newark | Allegiant Air | G43038 NK1937 |
| from $108 | 20:54 Knoxville Mc Ghee Tyson | 19:13+1 день Houston Hobby | 23h 19m layover 10h 50m - Miami 6h 6m - Fletcher | Allegiant Air | G42154 G4262 G41840 |
| from $114 | 08:00 Knoxville Mc Ghee Tyson | 22:03 Houston George Bush | 15h 3m layover 1h 45m - Boston 5h 3m - Miami | Allegiant Air | G41396 NK2887 NK352 |
| from $114 | 08:00 Knoxville Mc Ghee Tyson | 00:15+1 день Houston George Bush | 17h 15m layover 6h 29m - Boston 2h 48m - Orlando | Allegiant Air | G41396 NK3797 NK1576 |
| from $114 | 08:00 Knoxville Mc Ghee Tyson | 11:40+1 день Houston George Bush | 28h 40m layover 19h 49m - Boston 1h 33m - Atlanta | Allegiant Air | G41396 NK1179 NK3156 |
| from $114 | 08:00 Knoxville Mc Ghee Tyson | 16:49+1 день Houston George Bush | 33h 49m layover 19h 59m - Boston 5h 34m - Miami | Allegiant Air | G41396 NK296 NK909 |
| from $116 | 08:30 Knoxville Mc Ghee Tyson | 19:13 Houston Hobby | 11h 43m layover 4h 30m - Clearwater 1h 34m - Fletcher | Allegiant Air | G41007 G4266 G41840 |
| from $116 | 07:00 Knoxville Mc Ghee Tyson | 19:13+1 день Houston Hobby | 37h 13m layover 10h 38m - Clearwater 20h 56m - Fletcher | Allegiant Air | G43048 G4220 G41840 |
| from $118 | 09:02 Knoxville Mc Ghee Tyson | 19:13 Houston Hobby | 11h 11m layover 1h 46m - Punta Gorda 3h 27m - Fletcher | Allegiant Air | G4869 G4858 G41840 |
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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on June 25, 2025
Flight Schedule Knoxville (Tennessee) to Houston (Texas)
Full flight schedule will help you in detecting at what time planes fly from Knoxville to Houston. 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 |
|---|---|---|---|---|
|
07:00 — 08:24
|
07:00 — 08:24
UA4913
United Airlines
Knoxville — Houston
|
2h 24m |
Find flight
from$204 |
|
|
09:15 — 10:39
|
09:15 — 10:39
UA4841
United Airlines
Knoxville — Houston
|
2h 24m |
Find flight
from$204 |
|
|
12:00 — 13:27
|
12:00 — 13:27
UA4302
United Airlines
Knoxville — Houston
|
2h 27m |
Find flight
from$206 |
|
|
17:00 — 18:27
|
17:00 — 18:27
UA4854
United Airlines
Knoxville — Houston
|
2h 27m |
Find flight
from$206 |
|
|
17:02 — 18:13
|
17:02 — 18:13
G41437
Allegiant Air
Knoxville — Houston
|
2h 11m |
Find flight
from$39 |
|
|
17:15 — 18:39
|
17:15 — 18:39
UA6068
United Airlines
Knoxville — Houston
|
2h 24m |
Find flight
from$206 |
|
|
17:15 — 18:39
|
17:15 — 18:39
UA6056
United Airlines
Knoxville — Houston
|
2h 24m |
Find flight
from$207 |
|
|
17:47 — 19:12
|
17:47 — 19:12
G43041
Allegiant Air
Knoxville — Houston
|
2h 25m |
Find flight
from$39 |
|
|
07:10 — 13:22
|
07:10 — 09:05
G43038
Allegiant Air
Knoxville — Newark
1h 33m stop
10:38 — 13:22
NK1937
Spirit Airlines
Newark — Houston
|
7h 12m including layover |
Find flight
from$104 |
|
|
11:01 — 20:54
|
11:01 — 12:19
G43064
Allegiant Air
Knoxville — Minneapolis
5h 41m stop
18:00 — 20:54
SY1681
Sun Country Airlines
Minneapolis — Houston
|
10h 53m including layover |
Find flight
from$98 |
|
|
11:23 — 16:49
|
11:08 — 13:12
G4502
Allegiant Air
Knoxville — Miami
1h 43m stop
15:06 — 16:49
NK909
Spirit Airlines
Miami — Houston
|
6h 26m including layover |
Find flight
from$120 |
|
|
12:45 — 14:06
+1 day
|
12:45 — 14:23
G41397
Allegiant Air
Knoxville — Baltimore
21h 10m stop
11:33 — 14:06
NK2175
Spirit Airlines
Baltimore — Houston
|
26h 21m including layover |
Find flight
from$76 |
|
|
21:08 — 07:48
+1 day
|
21:08 — 23:08
G42158
Allegiant Air
Knoxville — Miami
6h 52m stop
06:00 — 07:48
NK2082
Spirit Airlines
Miami — Houston
|
11h 40m including layover |
Find flight
from$100 |
|
|
21:08 — 15:30
+1 day
|
21:08 — 23:08
G42158
Allegiant Air
Knoxville — Miami
14h 31m stop
13:39 — 15:30
NK2678
Spirit Airlines
Miami — Houston
|
19h 22m including layover |
Find flight
from$125 |
|
|
06:00 — 23:10
|
06:00 — 07:37
G43063
Allegiant Air
Knoxville — Orlando
3h 18m stop
10:55 — 11:43
NK1572
Spirit Airlines
Orlando — New Orleans
10h 7m stop
21:50 — 23:10
NK1428
Spirit Airlines
New Orleans — Houston
|
18h 10m including layover |
Find flight
from$129 |
|
|
06:55 — 19:13
|
06:55 — 08:15
G41410
Allegiant Air
Knoxville — Austin
5h 7m stop
13:22 — 16:46
G41872
Allegiant Air
Austin — Fletcher
1h 6m stop
17:52 — 19:13
G41840
Allegiant Air
Fletcher — Houston
|
13h 18m including layover |
Find flight
from$120 |
|
|
07:00 — 19:13
+1 day
|
07:00 — 08:41
G43048
Allegiant Air
Knoxville — Clearwater
10h 38m stop
17:19 — 18:56
G4220
Allegiant Air
Clearwater — Fletcher
20h 56m stop
17:52 — 19:13
G41840
Allegiant Air
Fletcher — Houston
|
37h 13m including layover |
Find flight
from$116 |
|
|
08:00 — 22:03
|
08:00 — 10:11
G41396
Allegiant Air
Knoxville — Boston
1h 45m stop
11:56 — 15:17
NK2887
Spirit Airlines
Boston — Miami
5h 3m stop
20:20 — 22:03
NK352
Spirit Airlines
Miami — Houston
|
15h 3m including layover |
Find flight
from$114 |
|
|
08:00 — 00:15
+1 day
|
08:00 — 10:11
G41396
Allegiant Air
Knoxville — Boston
6h 29m stop
16:40 — 19:57
NK3797
Spirit Airlines
Boston — Orlando
2h 48m stop
22:45 — 00:15
NK1576
Spirit Airlines
Orlando — Houston
|
17h 15m including layover |
Find flight
from$114 |
|
|
09:02 — 19:13
|
09:02 — 10:51
G4869
Allegiant Air
Knoxville — Punta Gorda
1h 46m stop
12:37 — 14:25
G4858
Allegiant Air
Punta Gorda — Fletcher
3h 27m stop
17:52 — 19:13
G41840
Allegiant Air
Fletcher — Houston
|
11h 11m including layover |
Find flight
from$118 |
|
|
09:02 — 19:13
|
09:02 — 10:51
G4865
Allegiant Air
Knoxville — Punta Gorda
1h 46m stop
12:37 — 14:25
G4857
Allegiant Air
Punta Gorda — Fletcher
3h 27m stop
17:52 — 19:13
G41840
Allegiant Air
Fletcher — Houston
|
11h 11m including layover |
Find flight
from$120 |
|
|
12:45 — 19:10
+1 day
|
12:45 — 14:23
G41397
Allegiant Air
Knoxville — Baltimore
17h 37m stop
08:00 — 10:01
NK2377
Spirit Airlines
Baltimore — Las Vegas
4h 2m stop
14:03 — 19:10
NK880
Spirit Airlines
Las Vegas — Houston
|
31h 25m including layover |
Find flight
from$102 |
|
|
15:11 — 19:13
+1 day
|
15:11 — 17:12
G4497
Allegiant Air
Knoxville — Miami
2h 53m stop
20:05 — 22:06
G4261
Allegiant Air
Miami — Fletcher
19h 46m stop
17:52 — 19:13
G41840
Allegiant Air
Fletcher — Houston
|
29h 2m including layover |
Find flight
from$123 |
|
|
15:11 — 19:13
+1 day
|
15:11 — 17:12
G4497
Allegiant Air
Knoxville — Miami
16h 33m stop
09:45 — 11:46
G4262
Allegiant Air
Miami — Fletcher
6h 6m stop
17:52 — 19:13
G41840
Allegiant Air
Fletcher — Houston
|
29h 2m including layover |
Find flight
from$124 |
|
|
20:54 — 19:13
+1 day
|
20:54 — 22:55
G42154
Allegiant Air
Knoxville — Miami
10h 50m stop
09:45 — 11:46
G4262
Allegiant Air
Miami — Fletcher
6h 6m stop
17:52 — 19:13
G41840
Allegiant Air
Fletcher — Houston
|
23h 19m including layover |
Find flight
from$108 |
|
*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 Knoxville to Houston depends on and how to choose the most interesting flight option for you.
Distance between Knoxville and Houston is 1257 miles. Time difference between the cities is 1h. Airplanes depart 05:45 to 21:30 from 1 Knoxville airport and arrive 05:45 to 21:30 to 15 Houston airports. Average flight time is 2h 24m.
- The fastest flight 2h 11m
- Average flight time 2h 24m
- The earliest flight 05:45
- The latest flight 21:30
- Distance 782 ml
The cheapest months to travel to Houston are may (from 49 $), july (from 53 $), august (from 53 $).
The most expensive months are january (from 739 $), november (from 390 $), february (from 346 $).
What is the lowest airfare Knoxville to Houston?
The cheapest plane ticket found by our users is $39. This airfare is for economy class on one-way G43041 flight by Allegiant Air for August 15, 2025 which leaves Mc Ghee Tyson in Knoxville at 17:47 am and arrives at Houston Hobby at 19:12.
Economy class
$39
Business class
?
First class
?
Popular Airlines on the Route
The flight Knoxville — Houston is served by 3 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by Frontier Airlines - 1 departures per week at the price of from $ 81 . And the most expensive tickets are offered by United Airlines airline - from $ 531.
Direct flights
There are 8 nonstop flights on the route. The fastest direct flight is G41437 by Allegiant Air takes 2h 11m and the cheapest is G43041 by Allegiant Air for $39.
- UA - United Airlinesfrom $204Find
- G4 - Allegiant Airfrom $39Find
See more direct flights
Connecting Flights
There are 307 flights with layovers on the route. The fastest connecting flight is UA5767 by United Airlines takes 5h 38m and the cheapest is G43041 by Allegiant Air for $76.
- F9 - Frontier Airlinesfrom $81Find
- UA - United Airlinesfrom $206Find
- G4 - Allegiant Airfrom $76Find
See more connecting flights
Airports
You can fly from Knoxville to Houston from 1 airports (Mc Ghee Tyson).
Knoxville airports
- Mc Ghee Tyson-TYSfrom $39Find
Houston airports
- Ellington Field-EFDFind
- West Houston-IWSFind
- Hobby-HOUFind
- Park Ten Heliport-JPTFind
- Andrau Airpark-AAPFind
- George Bush-IAHFind
- 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
Airplanes
There are flights to Houston from Knoxville by 3 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.
Top Domestic Destinations from Knoxville
You may also consider searching for discounted plane tickets to some other popular places from Knoxville within United States.
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Top International Destinations from Knoxville
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.
- from $69Find
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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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