Which layover airport offers the lowest fares from Knoxville to Boise?

Flights via Minneapolis (MSP) offer the lowest average round-trip price of $413.

Which layover airport has the shortest travel time from Knoxville to Boise?

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 6h 55m.

What is the cheapest airline that flies from Knoxville McGhee Tyson to Boise Air Term. Gowen Fld?

Delta and Southwest are the most popular carriers operating from Knoxville McGhee Tyson to Boise Air Term. Gowen Fld

What airlines fly to Boise?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Boise from Knoxville according to our data. American Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Boise. Keep in mind that there are 3 different airlines that fly to Boise on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest connection time from Knoxville to Boise?

Denver (DEN) has the shortest average layover time for this route: 1h 22m.

Which airport is the most popular layover for flights between Knoxville and Boise?

Dallas (DFW) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

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 September 2026, 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.

$182 Cheap Flights from Knoxville to Boise in 2026/27

Discover deals from 900+ travel sites with momondo.

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5:26 pm - 10:29 pmTYS Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld

7h 03m1 stop Dallas/Fort Worth

3:24 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson

6h 35m1 stop Chicago O'Hare Intl

$351American Airlines

Wed, Oct 28 - Fri, Oct 30

5:26 pm - 10:29 pmTYS Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld

7h 03m1 stop Dallas/Fort Worth

3:24 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson

6h 35m1 stop Chicago O'Hare Intl

$375American Airlines

Wed, Oct 28 - Fri, Oct 30

6:00 am - 1:51 pmTYS Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld

9h 51m1 stop Dallas/Fort Worth

2:41 pm - 11:18 pmBOI Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson

6h 37m1 stop Dallas/Fort Worth

$375American Airlines

Tue, Oct 27 - Fri, Oct 30

4:20 pm - 10:20 pmTYS Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld

8h 00m1 stop Denver Intl

10:40 am - 10:45 pmBOI Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson

10h 05m2 stops Denver Intl Nashville Intl

$380Southwest

Tue, Oct 27 - Fri, Oct 30

4:20 pm - 11:55 pmTYS Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld

9h 35m2 stops Denver Intl Phoenix Sky Harbor Intl

6:10 am - 4:55 pmBOI Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson

8h 45m2 stops Las Vegas Harry Reid Intl Dallas Love Field

$385Southwest

Tue, Oct 27 - Fri, Oct 30

3:40 pm - 12:50 amTYS Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld

11h 10m2 stops Dallas Love Field Phoenix Sky Harbor Intl

7:00 am - 6:40 pmBOI Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson

9h 40m2 stops Las Vegas Harry Reid Intl Dallas Love Field

$443Southwest

Thu, Dec 17 - Fri, Dec 18

9:00 am - 1:45 pmTYS Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld

6h 45m1 stop Denver Intl

12:31 pm - 8:54 pmBOI Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson

6h 23m1 stop Chicago O'Hare Intl

$457United Airlines

Wed, Oct 28 - Sat, Oct 31

6:45 am - 11:31 amTYS Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld

6h 46m1 stop Chicago O'Hare Intl

2:51 pm - 10:32 pmBOI Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson

5h 41m1 stop Denver Intl

$457United Airlines

Wed, Oct 28 - Sat, Oct 31

4:11 pm - 9:57 pmTYS Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld

7h 46m1 stop Atlanta Hartsfield-Jackson

11:10 pm - 9:34 amBOI Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson

8h 24m1 stop Atlanta Hartsfield-Jackson

$655Delta

Thu, Oct 8 - Sun, Oct 11

7:10 am - 6:38 pmTYS Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld

13h 28m2 stops Detroit Metropolitan Wayne County Seattle/Tacoma Intl

5:15 am - 5:49 pmBOI Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson

10h 34m2 stops Minneapolis St Paul Detroit Metropolitan Wayne County

$1,297Delta

Sat, Nov 21 - Sat, Nov 28

Cheap last minute flights

Enter your travel dates to find the best prices.

5:35 pm - 10:30 pmTYS Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld

6h 55m1 stop Dallas/Fort Worth

3:24 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson

6h 35m1 stop Chicago O'Hare Intl

$656American Airlines

Sat, Oct 3 - Sat, Oct 10

5:35 pm - 10:30 pmTYS Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld

6h 55m1 stop Dallas/Fort Worth

2:41 pm - 11:18 pmBOI Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson

6h 37m1 stop Dallas/Fort Worth

$720American Airlines

Sat, Oct 3 - Sat, Oct 10

6:03 pm - 10:58 pmTYS Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld

6h 55m1 stop Chicago O'Hare Intl

6:50 pm - 9:45 amBOI Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson

12h 55m2 stops San Francisco Chicago O'Hare Intl

$737United Airlines

Sat, Oct 3 - Sat, Oct 10

9:00 am - 1:38 pmTYS Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld

6h 38m1 stop Denver Intl

6:50 pm - 9:45 amBOI Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson

12h 55m2 stops San Francisco Chicago O'Hare Intl

$737United Airlines

Sat, Oct 3 - Sat, Oct 10

5:35 pm - 10:30 pmTYS Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld

6h 55m1 stop Dallas/Fort Worth

3:24 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson

6h 35m1 stop Chicago O'Hare Intl

$738American Airlines

Fri, Oct 2 - Wed, Oct 7

1:35 pm - 9:35 pmTYS Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld

10h 00m2 stops Washington, D.C. Dulles Intl Denver Intl

6:50 pm - 9:45 amBOI Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson

12h 55m2 stops San Francisco Chicago O'Hare Intl

$742United Airlines

Sat, Oct 3 - Sat, Oct 10

2:00 pm - 10:30 pmTYS Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld

10h 30m2 stops Charlotte Douglas Dallas/Fort Worth

3:24 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson

6h 35m1 stop Chicago O'Hare Intl

$752American Airlines

Sat, Oct 3 - Sat, Oct 10

6:03 pm - 10:58 pmTYS Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld

6h 55m1 stop Chicago O'Hare Intl

6:50 pm - 9:45 amBOI Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson

12h 55m2 stops San Francisco Chicago O'Hare Intl

$781United Airlines

Sat, Oct 3 - Sat, Oct 10

5:35 pm - 10:30 pmTYS Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld

6h 55m1 stop Dallas/Fort Worth

2:41 pm - 11:18 pmBOI Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson

6h 37m1 stop Dallas/Fort Worth

$802American Airlines

Sat, Oct 3 - Sat, Oct 10

5:35 pm - 10:30 pmTYS Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld

6h 55m1 stop Dallas/Fort Worth

7:00 am - 4:36 pmBOI Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson

7h 36m1 stop Dallas/Fort Worth

$899Alaska Airlines

Fri, Oct 2 - Wed, Oct 7

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American Airlines flights from Knoxville to Boise

Our best American Airlines deals on Knoxville to Boise flight tickets

American Airlines

Oct 28

TYS5:26 pmKnoxville McGhee Tyson

7h 03m

1 stop

BOI10:29 pmBoise Air Term. Gowen Fld

Oct 30

BOI3:24 pmBoise Air Term. Gowen Fld

6h 35m

1 stop

TYS11:59 pmKnoxville McGhee Tyson

$351

American Airlines

Oct 27

TYS6:00 amKnoxville McGhee Tyson

9h 51m

1 stop

BOI1:51 pmBoise Air Term. Gowen Fld

Oct 30

BOI2:41 pmBoise Air Term. Gowen Fld

6h 37m

1 stop

TYS11:18 pmKnoxville McGhee Tyson

$375

American Airlines

Nov 22

TYS5:30 amKnoxville McGhee Tyson

7h 58m

1 stop

BOI11:28 amBoise Air Term. Gowen Fld

Dec 3

BOI2:41 pmBoise Air Term. Gowen Fld

6h 51m

1 stop

TYS11:32 pmKnoxville McGhee Tyson

$415

Southwest flights from Knoxville to Boise

Our best Southwest deals on Knoxville to Boise flight tickets

Southwest

Oct 27

TYS4:20 pmKnoxville McGhee Tyson

8h 00m

1 stop

BOI10:20 pmBoise Air Term. Gowen Fld

Oct 30

BOI10:40 amBoise Air Term. Gowen Fld

10h 05m

2 stops

TYS10:45 pmKnoxville McGhee Tyson

$380

Southwest

Oct 27

TYS4:20 pmKnoxville McGhee Tyson

9h 35m

2 stops

BOI11:55 pmBoise Air Term. Gowen Fld

Oct 30

BOI6:10 amBoise Air Term. Gowen Fld

8h 45m

2 stops

TYS4:55 pmKnoxville McGhee Tyson

$385

Southwest

Dec 17

TYS3:40 pmKnoxville McGhee Tyson

11h 10m

2 stops

BOI12:50 amBoise Air Term. Gowen Fld

Dec 18

BOI7:00 amBoise Air Term. Gowen Fld

9h 40m

2 stops

TYS6:40 pmKnoxville McGhee Tyson

$443

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KnoxvilleBoise

TYS Knoxville McGhee Tyson - BOI Boise Air Term. Gowen Fld

TYSBOI

Knoxville McGhee Tyson

Wed 10/28

5:26 pm-10:29 pm

1 stop7h 03m

Boise Air Term. Gowen Fld

Fri 10/30

3:24 pm-11:59 pm

1 stop6h 35m

$351

KnoxvilleBoise

TYS Knoxville McGhee Tyson - BOI Boise Air Term. Gowen Fld

TYSBOI

Knoxville McGhee Tyson

Wed 10/28

5:26 pm-10:29 pm

1 stop7h 03m

Boise Air Term. Gowen Fld

Fri 10/30

3:24 pm-11:59 pm

1 stop6h 35m

$375

KnoxvilleBoise

TYS Knoxville McGhee Tyson - BOI Boise Air Term. Gowen Fld

TYSBOI

Knoxville McGhee Tyson

Tue 10/27

6:00 am-1:51 pm

1 stop9h 51m

Boise Air Term. Gowen Fld

Fri 10/30

2:41 pm-11:18 pm

1 stop6h 37m

$375

KnoxvilleBoise

TYS Knoxville McGhee Tyson - BOI Boise Air Term. Gowen Fld

TYSBOI

Knoxville McGhee Tyson

Tue 10/27

4:20 pm-10:20 pm

1 stop8h 00m

Boise Air Term. Gowen Fld

Fri 10/30

10:40 am-10:45 pm

2 stops10h 05m

$380

KnoxvilleBoise

TYS Knoxville McGhee Tyson - BOI Boise Air Term. Gowen Fld

TYSBOI

Knoxville McGhee Tyson

Tue 10/27

4:20 pm-11:55 pm

2 stops9h 35m

Boise Air Term. Gowen Fld

Fri 10/30

6:10 am-4:55 pm

2 stops8h 45m

$385

KnoxvilleBoise

TYS Knoxville McGhee Tyson - BOI Boise Air Term. Gowen Fld

TYSBOI

Knoxville McGhee Tyson

Thu 12/17

3:40 pm-12:50 am

2 stops11h 10m

Boise Air Term. Gowen Fld

Fri 12/18

7:00 am-6:40 pm

2 stops9h 40m

$443

KnoxvilleBoise

TYS Knoxville McGhee Tyson - BOI Boise Air Term. Gowen Fld

TYSBOI

Knoxville McGhee Tyson

Wed 10/28

9:00 am-1:45 pm

1 stop6h 45m

Boise Air Term. Gowen Fld

Sat 10/31

12:31 pm-8:54 pm

1 stop6h 23m

$457

Quickest round-trip

KnoxvilleBoise

TYS Knoxville McGhee Tyson - BOI Boise Air Term. Gowen Fld

TYSBOI

Knoxville McGhee Tyson

Wed 10/28

6:45 am-11:31 am

1 stop6h 46m

Boise Air Term. Gowen Fld

Sat 10/31

2:51 pm-10:32 pm

1 stop5h 41m

$457

KnoxvilleBoise

TYS Knoxville McGhee Tyson - BOI Boise Air Term. Gowen Fld

TYSBOI

Knoxville McGhee Tyson

Thu 10/8

4:11 pm-9:57 pm

1 stop7h 46m

Boise Air Term. Gowen Fld

Sun 10/11

11:10 pm-9:34 am

1 stop8h 24m

$655

KnoxvilleBoise

TYS Knoxville McGhee Tyson - BOI Boise Air Term. Gowen Fld

TYSBOI

Knoxville McGhee Tyson

Sat 11/21

7:10 am-6:38 pm

2 stops13h 28m

Boise Air Term. Gowen Fld

Sat 11/28

5:15 am-5:49 pm

2 stops10h 34m

$1,297

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

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 $397. If you aren’t able to travel during the month of April, then book flights to Boise from Knoxville during February instead. Flights to Boise in February, while not as cheap as those in April, still average around $456.

How have Knoxville to Boise flight prices changed over time?

As of September 2026, prices for Knoxville to Boise flights are approximately 53% cheaper when compared to flights at the same time last year.

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

Best Price Found	$182
Fastest flight time	6h 31m
Direct flights	None

The best one-way flight to Boise from Knoxville in the past 72 hours is $182. The best round-trip flight deal from Knoxville to Boise found on momondo in the last 72 hours is $351.

The fastest flight from Knoxville to Boise takes 6h 31m

There are no direct flights from Knoxville to Boise. There are no popular flight routes from Knoxville to Boise.

Search flight deals

Frequently asked questions about flying 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 6h 31m, 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 September 2026, 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 United Airlines (39% of total bookings). The next most popular airlines are Delta (38%) and American Airlines (23%).

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
United Airlines	PriceFrom $350	Free Cancellation	Rating 7.4 10,245 reviews	Search United Airlines flights
Delta	PriceFrom $398	Free Cancellation	Rating 7.8 8,605 reviews	Search Delta flights
American Airlines	PriceFrom $413	Free Cancellation	Rating 7.0 12,097 reviews	Search American Airlines flights

Nampa

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Ontario

Caldwell

McCall

Eagle

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Why should I use momondo to find a flight deal from Knoxville to Boise?

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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.

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Cheap flights from Knoxville to Boise from $182

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 11/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Knoxville to Boise

What is the cheapest month to fly to Boise?

How have Knoxville to Boise flight prices changed over time?

What is the cheapest airline that flies from Knoxville McGhee Tyson to Boise Air Term. Gowen Fld?

What airlines fly to Boise?

Which airport is the most popular layover for flights between Knoxville and Boise?

Which layover airport offers the lowest fares from Knoxville to Boise?

Which layover airport has the shortest travel time from Knoxville to Boise?

Which layover airport has the shortest connection time from Knoxville to Boise?

When to book flights from Knoxville to Boise

Cheap Knoxville to Boise (TYS to BOI) flight deals and tips

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Frequently asked questions about flying 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

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An easier way to manage your Boise trip

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