$350 Find Cheap Flights from Idaho Falls to Knoxville - Compare and Save

In the last 5 days, the lowest price for a flight from Idaho Falls to Knoxville was $350 for a one-way ticket and $429 for a round-trip.

No, a passport isn't needed to fly from Idaho Falls to Knoxville. However, local authorities might ask for an official ID.

On your way to Knoxville, you’ll fly out from Idaho Falls Fanning Field. You’ll be landing at Knoxville McGhee Tyson.

We unfortunately don’t have that data for this specific route.

oneworld, and Star Alliance are the airline alliances operating flights between Idaho Falls and Knoxville, with oneworld being the most commonly used for this route.

The two airlines most popular with KAYAK users for flights from Idaho Falls to Knoxville are United Airlines and American Airlines. With an average price for the route of $548 and an overall rating of 7.4, United Airlines is the most popular choice. American Airlines is also a great choice for the route, with an average price of $680 and an overall rating of 7.1.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Idaho Falls to Knoxville.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Knoxville from Idaho Falls is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Knoxville with an airline and back to Idaho Falls with another airline. Booking your flights between Idaho Falls and TYS can sometimes prove cheaper using this method.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Knoxville from Idaho Falls up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.