Cheap flights from Knoxville to Idaho from $289
This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Idaho departing on 8/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Knoxville to Idaho
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 Idaho?
In general, April is the cheapest month to fly from Knoxville to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $236. If you don’t want to visit Idaho in April, then you should wait until September to fly from Knoxville, when ticket prices are also cheap, with an average price of $298.
What is the cheapest day to depart on your flight to Idaho?
Our data shows that Friday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $377. On the other hand, Monday is the most expensive day to depart from Knoxville because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $756.
What is the cheapest airline that flies from Knoxville McGhee Tyson to Idaho?
Delta, American Airlines, and United Airlines are the most popular carriers operating from Knoxville McGhee Tyson to Idaho
What airlines fly to Idaho?
American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Idaho from Knoxville according to our data. American Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 3 different airlines that fly to Idaho on a routine basis, so you have a few additional options to choose from.
Cheap Knoxville to Idaho flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Knoxville to Idaho
When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Idaho?
Prices for flights from Knoxville McGhee Tyson Airport to Idaho are updated daily.
How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Idaho?
There are 3 operators available for flights from Knoxville McGhee Tyson Airport to Idaho as of July 2025.
How old do you have to be to fly from Knoxville McGhee Tyson Airport to Idaho?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to Idaho.
What documentation or ID do you need to fly to Idaho?
The travel and health documents required for your trip to Idaho can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Idaho. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from Knoxville to Idaho
Compare and see reviews for airlines that fly from Knoxville to Idaho with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $172 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $269 | Free Cancellation | Rating 8.0 7,982 reviews | |||
| PriceFrom $313 | Free Cancellation | Rating 7.4 8,861 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Knoxville to Idaho?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Knoxville to Idaho. momondo saves you time and could save you money on your trip.
Can I find flights from Knoxville to Idaho with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Idaho from Knoxville with this policy.
How can momondo help me find flights from Knoxville to Idaho?
momondo provides multiple filters to help you find the best flight to Idaho from Knoxville. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Knoxville to Idaho right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Knoxville to Idaho flights. All you need is a valid email address and we will do the rest; it is that quick and easy.