Cheap flights from Jacksonville to Knoxville from $30

The month of June is, on average, the cheapest month to fly to Knoxville from Jacksonville, with most prices found around $90. If you aren’t able to travel during the month of June, then book flights to Knoxville from Jacksonville during July instead. Flights to Knoxville in July, while not as cheap as those in June, still average around $97.

The cheapest day to depart from Jacksonville to Knoxville is on a Wednesday. Travelers who choose to depart for Knoxville on a Wednesday will often find tickets for as low as $78. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Jacksonville to Knoxville for around $222.

In the evening is the cheapest time of day to fly from Jacksonville to Knoxville when you can find flight prices for as low as $94. 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 $132.

Fly from Jacksonville to Knoxville McGhee Tyson for the best Jacksonville - Knoxville McGhee Tyson flight prices

You are more likely to see cheaper flights to Knoxville from Jacksonville when booking weeks ahead of your departure date. In general, you can expect to find flights to Knoxville for around $171 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Knoxville from Jacksonville for as low as $90 on momondo.

There is only 1 cabin class available to choose from on Jacksonville 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 Jacksonville to Knoxville.

As of October 2026, prices for Jacksonville to Knoxville flights are approximately 6% cheaper when compared to flights at the same time last year.

Allegiant Air, Southwest, and American Airlines are the most popular carriers operating from Jacksonville to Knoxville McGhee Tyson

Delta, Allegiant Air and American Airlines are the top three most popular airlines that fly to Knoxville from Jacksonville according to our data. Delta is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Knoxville. Keep in mind that there are 4 different airlines that fly to Knoxville on a routine basis, so you have a few additional options to choose from.