Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Knoxville to Boise from $330

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Boise departing on 3/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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.
Search flight deals

Find the cheapest flights from Knoxville to Boise

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
7:50 am - 12:38 pm
TYS
-
BOI
6h 48m
1 stop
American Airlines Logo
1:29 pm - 9:35 pm
BOI
-
TYS
6h 06m
1 stop
$359American Airlines
Tue, May 12 - Tue, May 19
Delta Logo
5:15 pm - 11:29 pm
TYS
-
BOI
8h 14m
2 stops
Delta Logo
11:30 pm - 9:11 am
BOI
-
TYS
7h 41m
1 stop
$364Delta
Tue, May 12 - Tue, May 19
American Airlines Logo
5:40 am - 12:48 pm
TYS
-
BOI
9h 08m
1 stop
American Airlines Logo
1:39 pm - 12:28 am
BOI
-
TYS
8h 49m
1 stop
$385American Airlines
Wed, Feb 25 - Wed, Mar 4
American Airlines Logo
5:40 am - 12:48 pm
TYS
-
BOI
9h 08m
1 stop
American Airlines Logo
6:37 pm - 8:42 am
BOI
-
TYS
12h 05m
2 stops
$390American Airlines
Wed, Feb 25 - Wed, Mar 4
Delta Logo
5:35 am - 1:59 pm
TYS
-
BOI
10h 24m
2 stops
Delta Logo
5:20 am - 8:55 pm
BOI
-
TYS
13h 35m
2 stops
$396Delta
Wed, Feb 25 - Wed, Mar 4
American Airlines Logo
4:29 pm - 10:22 pm
TYS
-
BOI
7h 53m
1 stop
American Airlines Logo
1:39 pm - 12:28 am
BOI
-
TYS
8h 49m
1 stop
$411American Airlines
Fri, Feb 27 - Mon, Mar 2
American Airlines Logo
4:29 pm - 10:22 pm
TYS
-
BOI
7h 53m
1 stop
American Airlines Logo
6:33 pm - 9:53 am
BOI
-
TYS
13h 20m
2 stops
$416American Airlines
Fri, Feb 27 - Mon, Mar 2
American Airlines Logo
12:21 pm - 7:25 pm
TYS
-
BOI
9h 04m
1 stop
American Airlines Logo
7:00 am - 3:37 pm
BOI
-
TYS
6h 37m
1 stop
$432American Airlines
Wed, Feb 11 - Wed, Feb 25
Southwest Logo
3:45 pm - 1:55 am
TYS
-
BOI
12h 10m
2 stops
Southwest Logo
8:15 pm - 12:00 pm
BOI
-
TYS
13h 45m
2 stops
$437Southwest
Mon, Mar 30 - Mon, Apr 6
Delta Logo
5:35 am - 12:28 pm
TYS
-
BOI
8h 53m
1 stop
Delta Logo
2:54 pm - 11:12 pm
BOI
-
TYS
6h 18m
1 stop
$441Delta
Tue, Feb 24 - Thu, Feb 26

American Airlines flights from Knoxville to Boise

Our best American Airlines deals on Knoxville to Boise flight tickets
American Airlines
May 12
TYS7:50 amKnoxville McGhee Tyson
6h 48m
1 stop
BOI12:38 pmBoise Air Term. Gowen Fld
May 19
BOI1:29 pmBoise Air Term. Gowen Fld
6h 06m
1 stop
TYS9:35 pmKnoxville McGhee Tyson
$359
American Airlines
Feb 25
TYS5:40 amKnoxville McGhee Tyson
9h 08m
1 stop
BOI12:48 pmBoise Air Term. Gowen Fld
Mar 4
BOI1:39 pmBoise Air Term. Gowen Fld
8h 49m
1 stop
TYS12:28 amKnoxville McGhee Tyson
$385
American Airlines
Feb 25
TYS5:40 amKnoxville McGhee Tyson
9h 08m
1 stop
BOI12:48 pmBoise Air Term. Gowen Fld
Mar 4
BOI6:37 pmBoise Air Term. Gowen Fld
12h 05m
2 stops
TYS8:42 amKnoxville McGhee Tyson
$390

Delta flights from Knoxville to Boise

Our best Delta deals on Knoxville to Boise flight tickets
Delta
May 12
TYS5:15 pmKnoxville McGhee Tyson
8h 14m
2 stops
BOI11:29 pmBoise Air Term. Gowen Fld
May 19
BOI11:30 pmBoise Air Term. Gowen Fld
7h 41m
1 stop
TYS9:11 amKnoxville McGhee Tyson
$364
Delta
Feb 25
TYS5:35 amKnoxville McGhee Tyson
10h 24m
2 stops
BOI1:59 pmBoise Air Term. Gowen Fld
Mar 4
BOI5:20 amBoise Air Term. Gowen Fld
13h 35m
2 stops
TYS8:55 pmKnoxville McGhee Tyson
$396
Delta
Feb 24
TYS5:35 amKnoxville McGhee Tyson
8h 53m
1 stop
BOI12:28 pmBoise Air Term. Gowen Fld
Feb 26
BOI2:54 pmBoise Air Term. Gowen Fld
6h 18m
1 stop
TYS11:12 pmKnoxville McGhee Tyson
$441

momondo Fare Finder

 
Customize your flight search to find flights from Knoxville to Boise that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Knoxville to Boise that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KnoxvilleBoise

TYS - BOI

TYSBOI

Knoxville McGhee Tyson

Tue 5/12

7:50 am-12:38 pm

1 stop6h 48m

Boise Air Term. Gowen Fld

Tue 5/19

1:29 pm-9:35 pm

1 stop6h 06m

$359

KnoxvilleBoise

TYS - BOI

TYSBOI

Knoxville McGhee Tyson

Tue 5/12

5:15 pm-11:29 pm

2 stops8h 14m

Boise Air Term. Gowen Fld

Tue 5/19

11:30 pm-9:11 am

1 stop7h 41m

$364

KnoxvilleBoise

TYS - BOI

TYSBOI

Knoxville McGhee Tyson

Wed 2/25

5:40 am-12:48 pm

1 stop9h 08m

Boise Air Term. Gowen Fld

Wed 3/4

1:39 pm-12:28 am

1 stop8h 49m

$385

KnoxvilleBoise

TYS - BOI

TYSBOI

Knoxville McGhee Tyson

Wed 2/25

5:40 am-12:48 pm

1 stop9h 08m

Boise Air Term. Gowen Fld

Wed 3/4

6:37 pm-8:42 am

2 stops12h 05m

$390

KnoxvilleBoise

TYS - BOI

TYSBOI

Knoxville McGhee Tyson

Wed 2/25

5:35 am-1:59 pm

2 stops10h 24m

Boise Air Term. Gowen Fld

Wed 3/4

5:20 am-8:55 pm

2 stops13h 35m

$396

KnoxvilleBoise

TYS - BOI

TYSBOI

Knoxville McGhee Tyson

Fri 2/27

4:29 pm-10:22 pm

1 stop7h 53m

Boise Air Term. Gowen Fld

Mon 3/2

1:39 pm-12:28 am

1 stop8h 49m

$411

KnoxvilleBoise

TYS - BOI

TYSBOI

Knoxville McGhee Tyson

Fri 2/27

4:29 pm-10:22 pm

1 stop7h 53m

Boise Air Term. Gowen Fld

Mon 3/2

6:33 pm-9:53 am

2 stops13h 20m

$416

KnoxvilleBoise

TYS - BOI

TYSBOI

Knoxville McGhee Tyson

Wed 2/11

12:21 pm-7:25 pm

1 stop9h 04m

Boise Air Term. Gowen Fld

Wed 2/25

7:00 am-3:37 pm

1 stop6h 37m

$432

KnoxvilleBoise

TYS - BOI

TYSBOI

Knoxville McGhee Tyson

Mon 3/30

3:45 pm-1:55 am

2 stops12h 10m

Boise Air Term. Gowen Fld

Mon 4/6

8:15 pm-12:00 pm

2 stops13h 45m

$437

KnoxvilleBoise

TYS - BOI

TYSBOI

Knoxville McGhee Tyson

Tue 2/24

5:35 am-12:28 pm

1 stop8h 53m

Boise Air Term. Gowen Fld

Thu 2/26

2:54 pm-11:12 pm

1 stop6h 18m

$441

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

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 $249. If you aren’t able to travel during the month of April, then book flights to Boise from Knoxville during July instead. Flights to Boise in July, while not as cheap as those in April, still average around $343.

When to book flights from Knoxville to Boise

Are you open to changing your travel dates? Check out the ideal times to fly from Knoxville to Boise according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

Fastest flight time

7h 04m

Direct flights

None
The fastest flight from Knoxville to Boise takes 7h 04m
There are no direct flights from Knoxville to Boise. There are no popular flight routes from Knoxville to Boise.
Search flight deals

  • 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 04m, 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?

  • 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?

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
American AirlinesPriceFrom $156Free CancellationRating
7.2
11,205 reviews
Search American Airlines flights
DeltaPriceFrom $269Free CancellationRating
7.9
8,128 reviews
Search Delta flights
United AirlinesPriceFrom $419Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights

Traveling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
Nampa
Meridian
McCall
Caldwell
Ontario
Eagle

Why 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.

An easier way to manage your Boise trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 2/28
Sat 3/7
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States