Cheap flights from Houston to Knoxville

William P. Hobby
HOU
McGhee Tyson
TYS

Flight deals from Houston to Knoxville

Below you can see the best deals on flights Houston — Knoxville for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 14 September, from $166.

Top 10 cheap flights from Houston to Knoxville

F9
DL
DL
$ 166

Houston — Knoxville

20:25—09:29
14 Sep 2026
12 h 4 m
2 stops
F9
DL
DL
$ 166

Houston — Knoxville

20:25—11:18
14 Sep 2026
13 h 53 m
2 stops
F9
DL
DL
$ 166

Houston — Knoxville

20:25—23:55
14 Sep 2026
26 h 30 m
2 stops
F9
XP
XP
$ 170

Houston — Knoxville

06:08—19:36
10 Sep 2026
12 h 28 m
2 stops
F9
DL
DL
$ 175

Houston — Knoxville

16:12—12:58
11 Sep 2026
19 h 46 m
2 stops
B6
XP
$ 191

Houston — Knoxville

17:24—19:36
12 Sep 2026
25 h 12 m
1 stop
F9
DL
DL
$ 191

Houston — Knoxville

16:19—09:44
5 Sep 2026
16 h 25 m
2 stops
F9
DL
DL
$ 192

Houston — Knoxville

10:30—22:27
12 Sep 2026
10 h 57 m
2 stops
F9
AA
AA
$ 194

Houston — Knoxville

20:25—09:44
11 Sep 2026
12 h 19 m
2 stops
F9
AA
AA
$ 194

Houston — Knoxville

20:25—12:01
11 Sep 2026
14 h 36 m
2 stops

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the Houston — Knoxville flight

Looking for cheap flights from Houston to Knoxville? Compare fares from different airlines, check the flight schedule and travel time — and book your Houston — Knoxville ticket online at the best price.

The route has direct flights — around 82 flights per week, flights are operated by United Airlines, a nonstop flight takes about 2 h 19 min, the distance between the cities is around 1,272 km.

Planning your trip? You may find our Knoxville travel guide, how to get from the airport into town and Knoxville weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $166Min. price
SeptemberCheapest
DecemberPeak season
YesDirect flights
1,272 kmDistance
2 h 19 minTravel time
1Airlines
82 / wkFlights

Flight schedule from Houston to Knoxville

The table shows direct flights from Houston to Knoxville on the selected date. The flight takes approximately 2 h 19 min. Regular flights are operated by United Airlines. Departures from George Bush Intercontinental Airport and William P. Hobby Airport airports, arrivals at McGhee Tyson Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 15 Aug 2026

Flight ticket prices by day: Houston — Knoxville

Below is a calendar of the lowest flight ticket prices for Houston — Knoxville by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $166 in September, and the most expensive are around $225 in December. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Houston to Knoxville by month. Tickets are usually cheapest in November (around $104) and priciest in July (about $185) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$114lowMay$161mediumSep$152medium
Feb$109lowJun$180highOct$123low
Mar$133mediumJul$185highNov$104low
Apr$142mediumAug$175highDec$109low

Some values are estimated based on seasonality.

When to fly

Weather in Knoxville: it is warmest in July (up to 31 °C on average) and coolest in January (around 9 °C). The driest month is November.

Tickets are usually cheapest in September and most expensive in December. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Knoxville

Dry and wet days · Knoxville

Wind speed and direction · Knoxville

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How to get the best deal on a Houston — Knoxville ticket

  • Book ahead: fares for Houston — Knoxville are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • Houston is served by more than one airport — compare fares and travel time to each before you book.
  • The cheapest month to fly to Knoxville is usually September — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Houston — Knoxville route are operated by 1 airline; United Airlines runs the most flights (around 100% of all flights). Compare carriers, flight shares and schedules below.

  • United AirlinesUA
    27x/week
    WebsiteFleet: 956165M pax/year
    • Direct flight IAH → TYS27x/week
      Duration
      2h 17m
      Days
      MTWTFSS
    100.0%Open →

Cities and airports on the Houston — Knoxville route

Flights Houston — Knoxville depart from George Bush Intercontinental Airport and William P. Hobby Airport and arrive at McGhee Tyson Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Houston

HOU
United States
About the cityHow to get thereWeatherAll about the country United States
Arrival

Knoxville

TYS
United States
About the cityHow to get thereWeatherAll about the country United States
Departure airports
Arrival airports

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Frequently asked questions about the Houston — Knoxville flight

How long is the flight from Houston to Knoxville?

A nonstop Houston — Knoxville flight takes about 2 h 19 min — the distance between the cities is around 1,272 km.

How far is it from Houston to Knoxville?

The distance from Houston to Knoxville is about 1,272 km, which a nonstop flight covers in around 2 h 19 min.

Are there direct flights from Houston to Knoxville?

Yes, there are nonstop flights Houston — Knoxville — around 82 flights per week.

Which airlines fly from Houston to Knoxville?

Airlines operating Houston — Knoxville include United Airlines. See the full list with schedules in the "Airlines" section on this page.

Which airports do Houston — Knoxville flights use?

Flights from Houston depart from George Bush Intercontinental Airport, William P. Hobby Airport, and arrive at McGhee Tyson Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Houston to Knoxville?

The price of a Houston — Knoxville ticket depends on your travel date, season and demand: it is usually cheapest to fly in September, and most expensive in December. Tickets typically cost between $166 and $225. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Houston — Knoxville?

Flights Houston — Knoxville are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is September. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Houston to Knoxville?

To catch a low fare Houston — Knoxville, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually September.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Houston

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Where else you can fly from Knoxville

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ChicagoWashington, D.C.AtlantaCharlotteDallasDetroitNew York CityDenverMinneapolisPhiladelphiaMiamiOrlandoTampa

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