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

Return flight: Houston – Knoxville

On Cheapflightsplus.com you will find 9 direct and 516 connecting flights from Knoxville to Houston. You can compare airfare deals from 3 airlines and multiple travel sites from $53, 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: $53 (one-way), $91 (round-trip).
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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
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from$274
09:15 — 10:39
09:15 — 10:39 UA4841 United Airlines
Knoxville — Houston
2h 24m
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from$274
12:00 — 13:27
12:00 — 13:27 UA4302 United Airlines
Knoxville — Houston
2h 27m
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from$276
17:00 — 18:27
17:00 — 18:27 UA4854 United Airlines
Knoxville — Houston
2h 27m
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from$276
17:01 — 18:11
17:01 — 18:11 G43036 Allegiant Air
Knoxville — Houston
2h 10m
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from$53
17:02 — 18:13
17:02 — 18:13 G41437 Allegiant Air
Knoxville — Houston
2h 11m
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from$72
17:15 — 18:39
17:15 — 18:39 UA6068 United Airlines
Knoxville — Houston
2h 24m
Find flight
from$276
17:15 — 18:39
17:15 — 18:39 UA6056 United Airlines
Knoxville — Houston
2h 24m
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from$278
17:47 — 19:12
17:47 — 19:12 G43041 Allegiant Air
Knoxville — Houston
2h 25m
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from$53
07:15 — 14:44
07:15 — 09:05 G41396 Allegiant Air
Knoxville — Newark
3h stop
12:05 — 14:44 NK2064 Spirit Airlines
Newark — Houston
8h 29m
including layover
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from$131
08:52 — 18:25
21:34 — 23:34 G42120 Allegiant Air
Knoxville — Miami
5h 36m stop
11:56 — 13:50 NK2678 Spirit Airlines
Miami — Houston
10h 33m
including layover
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from$137
09:09 — 00:07
+1 day
09:09 — 11:09 G42148 Allegiant Air
Knoxville — Miami
11h 7m stop
22:16 — 00:07 NK2062 Spirit Airlines
Miami — Houston
15h 58m
including layover
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from$131
09:09 — 07:53
+1 day
09:09 — 11:09 G42148 Allegiant Air
Knoxville — Miami
18h 56m stop
06:05 — 07:53 NK2082 Spirit Airlines
Miami — Houston
23h 44m
including layover
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from$137
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
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from$131
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
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from$162
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
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from$103
12:45 — 21:10
12:45 — 14:23 G41397 Allegiant Air
Knoxville — Baltimore
4h 27m stop
18:50 — 21:10 NK2400 Spirit Airlines
Baltimore — Houston
9h 25m
including layover
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from$126
14:47 — 00:07
+1 day
14:47 — 16:51 G4487 Allegiant Air
Knoxville — Miami
5h 25m stop
22:16 — 00:07 NK2062 Spirit Airlines
Miami — Houston
10h 20m
including layover
Find flight
from$120
14:47 — 07:53
+1 day
14:47 — 16:51 G4487 Allegiant Air
Knoxville — Miami
13h 14m stop
06:05 — 07:53 NK2082 Spirit Airlines
Miami — Houston
18h 6m
including layover
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from$120
20:35 — 07:53
+1 day
20:35 — 22:38 G4519 Allegiant Air
Knoxville — Miami
7h 27m stop
06:05 — 07:53 NK2082 Spirit Airlines
Miami — Houston
12h 18m
including layover
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from$120
20:35 — 00:07
+2 days
20:35 — 22:38 G4519 Allegiant Air
Knoxville — Miami
23h 38m stop
22:16 — 00:07 NK2062 Spirit Airlines
Miami — Houston
28h 32m
including layover
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from$140
21:03 — 07:53
+1 day
21:03 — 23:07 G42125 Allegiant Air
Knoxville — Miami
6h 58m stop
06:05 — 07:53 NK2082 Spirit Airlines
Miami — Houston
11h 50m
including layover
Find flight
from$120
21:03 — 00:07
+2 days
21:03 — 23:07 G42125 Allegiant Air
Knoxville — Miami
23h 9m stop
22:16 — 00:07 NK2062 Spirit Airlines
Miami — Houston
28h 4m
including layover
Find flight
from$120
07:15 — 13:50
+1 day
07:15 — 09:05 G41396 Allegiant Air
Knoxville — New York
20h 55m stop
06:00 — 08:58 NK2005 Spirit Airlines
New York — Miami
2h 58m stop
11:56 — 13:50 NK2678 Spirit Airlines
Miami — Houston
31h 35m
including layover
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from$133
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$152
*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 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 21:34 from 1 Knoxville airport and arrive 05:45 to 21:34 to 15 Houston airports. Average flight time is 2h 24m.

  • The fastest flight 2h 10m
  • Average flight time 2h 24m
  • The earliest flight 05:45
  • The latest flight 21:34
  • Distance 782 ml

The cheapest months to travel to Houston are may (from 49 $), july (from 53 $), june (from 53 $).

The most expensive months are january (from 742 $), november (from 392 $), february (from 347 $).

What is the lowest airfare Knoxville to Houston?

The cheapest plane ticket found by our users is $53. 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
$53
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Business class
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First class
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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 - 2 departures per week at the price of from $ 110 . And the most expensive tickets are offered by United Airlines airline - from $ 2038.

Direct flights

There are 9 nonstop flights on the route. The fastest direct flight is G43036 by Allegiant Air takes 2h 10m and the cheapest is G43041 by Allegiant Air for $53.

  • UA - United Airlines
    from $274
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  • G4 - Allegiant Air
    from $53
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See more direct flights

Connecting Flights

There are 516 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 $103.

  • F9 - Frontier Airlines
    from $110
    Find
  • UA - United Airlines
    from $276
    Find
  • G4 - Allegiant Air
    from $103
    Find
See more connecting flights

Airports

You can fly from Knoxville to Houston from 1 airports (Mc Ghee Tyson).

Knoxville airports

  • Mc Ghee Tyson-TYS
    from $53
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Houston airports

  • Ellington Field-EFD
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  • West Houston-IWS
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  • Hobby-HOU
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  • Park Ten Heliport-JPT
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  • Andrau Airpark-AAP
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  • George Bush-IAH
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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
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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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