Cheap flights from Texas to Knoxville from $40

The month of May is, on average, the cheapest month to fly to Knoxville from Texas, with most prices found around $24. If you aren’t able to travel during the month of May, then book flights to Knoxville from Texas during August instead. Flights to Knoxville in August, while not as cheap as those in May, still average around $39.

The cheapest day to depart from Texas to Knoxville is on a Saturday. Travelers who choose to depart for Knoxville on a Saturday will often find tickets for as low as $403. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Texas to Knoxville for around $503.

In the evening is the cheapest time of day to fly from Texas to Knoxville when you can find flight prices for as low as $377. Flying to Knoxville in the evening is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Knoxville is at noon when prices are around $446.

Fly from Austin Bergstrom to Knoxville McGhee Tyson for the best Texas - Knoxville McGhee Tyson flight prices

You are more likely to see cheaper flights to Knoxville from Texas when booking weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around $413 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Knoxville from Texas for as low as $297 on momondo.

There are 2 cabin classes available to choose from on Texas to Knoxville flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Allegiant Air, Southwest, and Frontier are the most popular carriers operating from Texas to Knoxville McGhee Tyson

American Airlines, Delta and Allegiant Air are the top three most popular airlines that fly to Knoxville from Texas according to our data. American Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Knoxville. Keep in mind that there are 6 different airlines that fly to Knoxville on a routine basis, so you have a few additional options to choose from.

The number of flights available between Texas and Knoxville is 24 per day as of June 2026. The most frequent departure time is 1:00PM, with 39% of daily flights leaving in the afternoon.

The number of flights available between Texas and Knoxville is 174 per week as of June 2026. The most frequent departure day is Mon, with 17% of weekly flights leaving on this day.