Cheap flights from the United States to Knoxville from $48

The month of August is, on average, the cheapest month to fly to Knoxville from United States, with most prices found around $292. If you aren’t able to travel during the month of August, then book flights to Knoxville from United States during February instead. Flights to Knoxville in February, while not as cheap as those in August, still average around $299.

The cheapest day to depart from United States to Knoxville is on a Monday. Travelers who choose to depart for Knoxville on a Monday will often find tickets for as low as $292. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from United States to Knoxville for around $542.

In the morning is the cheapest time of day to fly from United States to Knoxville when you can find flight prices for as low as $301. Flying to Knoxville in the morning 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 $469.

Fly from Boston Logan Intl to Knoxville McGhee Tyson for the best United States - Knoxville McGhee Tyson flight prices

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

No. A direct flight is the cheapest option for a flight between United States to Knoxville.

Allegiant Air, Delta, and Frontier are the most popular carriers operating from United States to Knoxville McGhee Tyson

American Airlines, Allegiant Air and Delta are the top three most popular airlines that fly to Knoxville from United States according to our data. American Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Knoxville. Keep in mind that there are 11 different airlines that fly to Knoxville on a routine basis, so you have a few additional options to choose from.

Historically, on average around 0% of flights between United States and Knoxville have experienced a delay on any given week. The average delay length over the past 12 months has been 0 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the morning have, in the past, seen delays more frequently in comparison.

As of May 2026, there are 62 flights per day flying from United States to Knoxville. The most common time of day flights depart is 11:00PM, with 48% of flights taking off in the evening.

The number of flights available between United States and Knoxville is 437 per week as of May 2026. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.