Find out what a flight from Idaho Falls to Knoxville might cost

Prices vary based on date, airline, and availability. Compare several options if you're flying between Idaho Falls and Knoxville.

Select your dates to check current offers.

Try shifting your departure forward or backward by a day to find better options. If you’re looking for a good deal, consider flying outside peak hours as well.

Which airports near Idaho Falls or Knoxville offer flights?

In many cases, using a nearby airport can improve your chances of finding direct flights or better rates.

• Airports in Idaho Falls: Only Idaho Falls - Fanning Field is currently operating.
• Airports in Knoxville: Knoxville - McGhee Tyson is the only airport in use at the moment.

Secondary airports can offer faster travel thanks to shorter lines and quicker boarding times than major ones.

Explore flights from Idaho Falls to Knoxville your way

On Jetcost, you can filter by round-trip or one-way, time of day, airline, number of stops, and even by agency like eDreams or Expedia. Options include Delta, United, American, and more.

Other popular destinations

Also interested in United States? Check out: Atlanta, Los Angeles, Miami, New York City, Orlando.

If you’re flexible with dates, try checking the days before and after to see if prices vary. Some routes are offered by multiple agencies — comparing fares can really pay off.