Cheap flights from Dallas to Knoxville from $90

The month of August is, on average, the cheapest month to fly to Knoxville from Dallas, with most prices found around $163. If you aren’t able to travel during the month of August, then book flights to Knoxville from Dallas during April instead. Flights to Knoxville in April, while not as cheap as those in August, still average around $170.

The cheapest day to depart from Dallas to Knoxville is on a Saturday. Travelers who choose to depart for Knoxville on a Saturday will often find tickets for as low as $394. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Dallas to Knoxville for around $547.

In the evening is the cheapest time of day to fly from Dallas to Knoxville when you can find flight prices for as low as $369. 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 in the afternoon when prices are around $483.

Fly from Dallas Love Field to Knoxville McGhee Tyson for the best Dallas - Knoxville McGhee Tyson flight prices

You are more likely to see cheaper flights to Knoxville from Dallas 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 Dallas for as low as $297 on momondo.

There are 3 cabin classes available to choose from on Dallas to Knoxville flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Southwest, United Airlines, and Delta are the most popular carriers operating from Dallas to Knoxville McGhee Tyson

American Airlines, Southwest and Delta are the top three most popular airlines that fly to Knoxville from Dallas according to our data. American Airlines is the first choice among our users, with 89% of people opting to fly with this airline when traveling to Knoxville. Keep in mind that there are 3 different airlines that fly to Knoxville on a routine basis, so you have a few additional options to choose from.

As of July 2026, 17 flights take off from Dallas and land in Knoxville each day. The most common flight departure time for this route is 6:00PM, with 40% of daily flights taking off in the afternoon.

The number of flights available between Dallas and Knoxville is 120 per week as of July 2026. The most frequent departure day is Mon, with 17% of weekly flights leaving on this day.