Cheap flights from Idaho Falls to Knoxville from $390
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to Knoxville departing on 4/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Deals available from 900+ travel sites.
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Idaho Falls to Knoxville
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
American Airlines flights from Idaho Falls to Knoxville
Our best American Airlines deals on Idaho Falls to Knoxville flight tickets
United Airlines flights from Idaho Falls to Knoxville
Our best United Airlines deals on Idaho Falls to Knoxville flight tickets
See travel insights to Knoxville from
How to get the cheapest flight ticket from Idaho Falls to Knoxville
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Knoxville?
The month of November is, on average, the cheapest month to fly to Knoxville from Idaho Falls, with most prices found around $556. If you aren’t able to travel during the month of November, then book flights to Knoxville from Idaho Falls during July instead. Flights to Knoxville in July, while not as cheap as those in November, still average around $591.
What is the cheapest day to depart on your flight to Knoxville?
The cheapest day to depart from Idaho Falls to Knoxville is on a Monday. Travelers who choose to depart for Knoxville on a Monday will often find tickets for as low as $552. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Idaho Falls to Knoxville for around $1,098.
When to book flights from Idaho Falls to Knoxville
Cheap Idaho Falls to Knoxville (IDA to TYS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Idaho Falls to Knoxville
How far is Idaho Falls Fanning Field to Knoxville McGhee Tyson by plane?
A flight from Idaho Falls Fanning Field to Knoxville McGhee Tyson will travel around 1571.6 mi. A reasonable flight in good conditions will take 5h 42m.
When did momondo last update prices for flights from Idaho Falls Fanning Field Airport to Knoxville McGhee Tyson Airport?
Prices for flights from Idaho Falls Fanning Field Airport to Knoxville McGhee Tyson Airport refresh daily.
How many operators does momondo search for flights from Idaho Falls Fanning Field Airport to Knoxville McGhee Tyson Airport?
As of February 2025, there are 2 operators available to choose from for flights from Idaho Falls Fanning Field Airport to Knoxville McGhee Tyson Airport.
How old do you have to be to fly from Idaho Falls Fanning Field Airport to Knoxville McGhee Tyson Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Idaho Falls Fanning Field Airport to Knoxville McGhee Tyson Airport.
What documentation or ID do you need to fly to Knoxville McGhee Tyson Airport?
The travel and health documents you'll need for your trip to Knoxville McGhee Tyson Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Knoxville McGhee Tyson Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Idaho Falls to Knoxville?
momondo data reveals that the most frequently booked airline on the route from Idaho Falls to Knoxville is United Airlines, representing 55% of all bookings. The subsequent popular airline is American Airlines at 45%.
Best airlines flying from Idaho Falls to Knoxville
Compare and see reviews for airlines that fly from Idaho Falls to Knoxville with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $462 | Free Cancellation | Rating 7.4 8,742 reviews | |||
| PriceFrom $494 | Free Cancellation | Rating 7.2 10,000 reviews |
Traveling to a place near Knoxville?
Book flights to Knoxville if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Idaho Falls to Knoxville?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Idaho Falls to Knoxville for you.
Can I find flights from Idaho Falls to Knoxville with flexible booking policies on momondo?
Yes. All flights to Knoxville from Idaho Falls on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Idaho Falls to Knoxville?
Once all potential Idaho Falls to Knoxville flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Idaho Falls to Knoxville right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Knoxville from Idaho Falls. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.