Cheap flights from Knoxville to Boise 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 Boise 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.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
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 Knoxville to Boise
Cheap round-trip flights
Delta flights from Knoxville to Boise
Our best Delta deals on Knoxville to Boise flight tickets
American Airlines flights from Knoxville to Boise
Our best American Airlines deals on Knoxville to Boise flight tickets
See travel insights to Boise from
How to get the cheapest flight ticket from Knoxville to Boise
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 Boise?
The month of April is, on average, the cheapest month to fly to Boise from Knoxville, with most prices found around $291. If you aren’t able to travel during the month of April, then book flights to Boise from Knoxville during January instead. Flights to Boise in January, while not as cheap as those in April, still average around $341.
What is the cheapest day to depart on your flight to Boise?
Our data shows that Friday is the least expensive day to fly to Boise. Tickets to fly out on this day can be as low as $377. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $756. These prices are subject to change though, so be sure to set up a Price Alert for flights to Boise.
When to book flights from Knoxville to Boise
Cheap Knoxville to Boise (TYS to BOI) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Knoxville to Boise
How far is Knoxville McGhee Tyson to Boise Air Term. Gowen Fld by plane?
The distance between Knoxville McGhee Tyson and Boise Air Term. Gowen Fld is about 1779.7 mi. Flights usually cover this in 7h 24m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Boise Air Term. Gowen Fld Airport?
Prices for flights from Knoxville McGhee Tyson Airport to Boise Air Term. Gowen Fld Airport were last updated today.
How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Boise Air Term. Gowen Fld Airport?
As of May 2025, there are 3 operators available to choose from for flights from Knoxville McGhee Tyson Airport to Boise Air Term. Gowen Fld Airport.
How old do you have to be to fly from Knoxville McGhee Tyson Airport to Boise Air Term. Gowen Fld Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Knoxville McGhee Tyson Airport to Boise Air Term. Gowen Fld Airport.
What documentation or ID do you need to fly to Boise Air Term. Gowen Fld Airport?
The necessary travel and health documents for your Boise Air Term. Gowen Fld Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Knoxville to Boise?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Knoxville to Boise is Delta (41% of total bookings). The next most popular airlines are American Airlines (34%) and United Airlines (24%).
Best airlines flying from Knoxville to Boise
Compare and see reviews for airlines that fly from Knoxville to Boise with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $172 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $240 | Free Cancellation | Rating 7.4 8,702 reviews | |||
| PriceFrom $269 | Free Cancellation | Rating 8.0 7,941 reviews |
Traveling to a place near Boise?
Book flights to Boise if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Knoxville to Boise?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Knoxville to Boise. momondo saves you time and could save you money on your trip.
Can I find flights from Knoxville to Boise with flexible booking policies on momondo?
Flights from Knoxville to Boise with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Knoxville to Boise?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Boise from Knoxville.
I’m not ready to book a flight from Knoxville to Boise right now. Can momondo alert me if prices change?
If you are simply researching potential flights to Boise, momondo offers a useful price alert feature which will track prices for flights to Boise from Knoxville and alert you when they change.