Cheap Flights from Houston, TX to Knoxville, TN from $53

Return flight: Knoxville – Houston

On Cheapflightsplus.com you will find 8 direct and 560 connecting flights from Houston to Knoxville. You can compare airfare deals from 5 airlines and multiple travel sites from $53, 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: $53 (one-way), $91 (round-trip).
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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$276
11:55 — 15:18
11:55 — 15:18 UA6017 United Airlines
Houston — Knoxville
2h 23m
Find flight
from$275
11:55 — 15:18
11:55 — 15:18 UA6093 United Airlines
Houston — Knoxville
2h 23m
Find flight
from$276
14:20 — 17:37
14:20 — 17:37 UA4890 United Airlines
Houston — Knoxville
2h 17m
Find flight
from$275
16:20 — 19:34
16:20 — 19:34 UA4900 United Airlines
Houston — Knoxville
2h 14m
Find flight
from$275
19:01 — 22:03
19:01 — 22:03 G41427 Allegiant Air
Houston — Knoxville
2h 2m
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from$53
20:02 — 23:03
20:02 — 23:03 G43027 Allegiant Air
Houston — Knoxville
2h 1m
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from$53
20:05 — 23:19
20:05 — 23:19 UA4810 United Airlines
Houston — Knoxville
2h 14m
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from$275
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
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from$117
05:26 — 08:19
+1 day
05:26 — 08:54 NK2677 Spirit Airlines
Houston — Miami
21h 21m stop
06:15 — 08:19 G4499 Allegiant Air
Miami — Knoxville
25h 53m
including layover
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from$116
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$123
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
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from$131
17:53 — 12:39
+1 day
17:53 — 21:01 NK2024 Spirit Airlines
Houston — Clearwater
13h 58m stop
10:59 — 12:39 G43051 Allegiant Air
Clearwater — Knoxville
17h 46m
including layover
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from$94
17:53 — 22:38
+1 day
17:53 — 21:01 NK2024 Spirit Airlines
Houston — Clearwater
23h 57m stop
20:58 — 22:38 G41432 Allegiant Air
Clearwater — Knoxville
27h 45m
including layover
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from$94
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
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from$148
18:44 — 11:50
+1 day
18:44 — 23:16 NK2643 Spirit Airlines
Houston — Newark
10h 39m stop
09:55 — 11:55 G41405 Allegiant Air
Newark — Knoxville
16h 6m
including layover
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from$135
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$113
20:44 — 08:19
+1 day
20:44 — 00:20 NK2067 Spirit Airlines
Houston — Miami
5h 55m stop
06:15 — 08:19 G4499 Allegiant Air
Miami — Knoxville
10h 35m
including layover
Find flight
from$116
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$139
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$153
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$130
07:05 — 22:17
07:05 — 10:09 NK2170 Spirit Airlines
Houston — Atlanta
4h 36m stop
14:45 — 16:08 NK2468 Spirit Airlines
Atlanta — Clearwater
4h 29m stop
20:37 — 22:17 G43035 Allegiant Air
Clearwater — Knoxville
14h 12m
including layover
Find flight
from$153
07:05 — 11:42
+1 day
07:05 — 10:09 NK2170 Spirit Airlines
Houston — Atlanta
8h 11m stop
18:20 — 19:55 SY356 Sun Country Airlines
Atlanta — Minneapolis
12h 39m stop
08:34 — 11:42 G41428 Allegiant Air
Minneapolis — Knoxville
27h 37m
including layover
Find flight
from$161
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$159
09:50 — 08:19
+1 day
09:50 — 13:34 NK2640 Spirit Airlines
Houston — Detroit
3h 44m stop
17:18 — 20:21 NK2903 Spirit Airlines
Detroit — Miami
9h 54m stop
06:15 — 08:19 G4499 Allegiant Air
Miami — Knoxville
21h 29m
including layover
Find flight
from$152
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$159
13:42 — 12:39
+1 day
13:42 — 17:45 NK2399 Spirit Airlines
Houston — Baltimore
50m stop
18:35 — 21:05 NK2447 Spirit Airlines
Baltimore — Clearwater
13h 54m stop
10:59 — 12:39 G43051 Allegiant Air
Clearwater — Knoxville
21h 57m
including layover
Find flight
from$114
13:51 — 08:19
+1 day
13:51 — 16:57 NK2571 Spirit Airlines
Houston — Atlanta
2h 19m stop
19:16 — 21:11 NK2061 Spirit Airlines
Atlanta — Miami
9h 4m stop
06:15 — 08:19 G4499 Allegiant Air
Miami — Knoxville
17h 28m
including layover
Find flight
from$136
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$163
14:33 — 21:47
+1 day
14:33 — 17:42 G4263 Allegiant Air
Houston — Fletcher
19h 29m stop
13:11 — 13:40 G41852 Allegiant Air
Fletcher — Fort Walton Beach
5h 46m stop
19:26 — 21:47 G43025 Allegiant Air
Fort Walton Beach — Knoxville
30h 14m
including layover
Find flight
from$163
15:49 — 08:19
+1 day
15:49 — 17:06 NK2065 Spirit Airlines
Houston — New Orleans
2h 59m stop
20:05 — 23:00 NK2003 Spirit Airlines
New Orleans — Miami
7h 15m stop
06:15 — 08:19 G4499 Allegiant Air
Miami — Knoxville
15h 30m
including layover
Find flight
from$136
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$159
*Departure and arrival times - local. Updated on August 8, 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 22:05 from 15 Houston airports and arrive 05:00 to 22:05 to 1 Knoxville airport. Average flight time is 2h 16m.

  • The fastest flight 2h 1m
  • Average flight time 2h 16m
  • The earliest flight 05:00
  • The latest flight 22:05
  • Distance 782 ml

The cheapest months to travel to Knoxville are june (from 53 $), august (from 53 $), may (from 91 $).

The most expensive months are january (from 696 $), december (from 564 $), september (from 159 $).

What is the lowest airfare Houston to Knoxville?

The cheapest plane ticket found by our users is $53. This airfare is for economy class on one-way G41427 flight by Allegiant Air for June 6, 2025 which leaves Hobby in Houston at 19:01 am and arrives at Knoxville Mc Ghee Tyson at 22:03.

Economy class
$53
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Business class
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First class
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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 $ 123 . And the most expensive tickets are offered by United Airlines airline - from $ 736.

Direct flights

There are 8 nonstop flights on the route. The fastest direct flight is G43027 by Allegiant Air takes 2h 1m and the cheapest is G41427 by Allegiant Air for $53.

  • UA - United Airlines
    from $275
    Find
  • G4 - Allegiant Air
    from $53
    Find
See more direct flights

Connecting Flights

There are 560 flights with layovers on the route. The fastest connecting flight is UA2182 by United Airlines takes 5h 21m and the cheapest is G41427 by Allegiant Air for $94.

  • F9 - Frontier Airlines
    from $123
    Find
  • SY - Sun Country Airlines
    from $144
    Find
  • UA - United Airlines
    from $279
    Find
  • NK - Spirit Airlines
    from $94
    Find
  • G4 - Allegiant Air
    from $146
    Find
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-EFD
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  • West Houston-IWS
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  • Hobby-HOU
    from $53
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  • Park Ten Heliport-JPT
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  • Andrau Airpark-AAP
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  • George Bush-IAH
    from $94
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  • Greenway Plaza H/P-JGP
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  • David Wayne Hooks-DWH
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  • Transco Twr Galleria-JGQ
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  • Westchase Hilton H/P-JWH
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  • Spaceland-SPX
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  • Woodlawns-JWL
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  • Marriot Astrodome Heliport-JMA
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  • Central Bus. District-JDX
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  • Houston Municipal-SGR
    Find

Knoxville airports

  • Mc Ghee Tyson-TYS
    Find

How to book a plane ticket yourself?

How to book an air 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.

    To find a plane ticket, please select dates.

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