What is the cheapest airline that flies from Idaho to Knoxville McGhee Tyson?

Southwest, American Airlines, and United Airlines are the most popular carriers operating from Idaho to Knoxville McGhee Tyson

What airlines fly to Knoxville?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Knoxville from Idaho according to our data. American Airlines is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Knoxville. Keep in mind that there are 4 different airlines that fly to Knoxville on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Knoxville?

Average flight duration from Idaho to Knoxville depends on which airport you fly into and out of. Flying from Boise to Knoxville is 5h 30m on average, while flying from Hailey to Knoxville is 5h 56m on average. Knoxville is the most popular airport in Knoxville.

When did momondo last update prices for flights from Idaho to Knoxville McGhee Tyson Airport?

Prices for flights from Idaho to Knoxville McGhee Tyson Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Idaho to Knoxville McGhee Tyson Airport?

As of October 2026, there are 4 operators available to choose from for flights from Idaho to Knoxville McGhee Tyson Airport.

How old do you have to be to fly from Idaho to Knoxville McGhee Tyson Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Knoxville McGhee Tyson Airport.

What documentation or ID do you need to fly to Knoxville McGhee Tyson Airport?

The necessary travel and health documents for your Knoxville McGhee Tyson 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 Idaho to Knoxville in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Idaho to Knoxville

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One-way

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Cheap round-trip flights

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6:20 am - 2:56 pmBOI Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson

6h 36m1 stop Denver Intl

4:28 pm - 9:33 pmTYS Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld

7h 05m1 stop Denver Intl

$363United Airlines

Sat, Jan 23 - Mon, Jan 25

2:00 pm - 11:53 pmBOI Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson

7h 53m1 stop Dallas/Fort Worth

2:52 pm - 11:56 pmTYS Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld

11h 04m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl

$368American Airlines

Thu, Feb 18 - Mon, Feb 22

12:28 pm - 11:19 pmBOI Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson

8h 51m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

2:49 pm - 8:06 pmTYS Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld

7h 17m1 stop Dallas/Fort Worth

$368American Airlines

Sat, Jan 23 - Mon, Jan 25

1:15 pm - 11:46 pmBOI Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson

8h 31m2 stops Salt Lake City Atlanta Hartsfield-Jackson

8:47 am - 4:49 pmTYS Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld

10h 02m2 stops Atlanta Hartsfield-Jackson Salt Lake City

$386Delta

Sat, Jan 23 - Mon, Jan 25

10:40 am - 6:15 pmBOI Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson

5h 35m1 stop Denver Intl

4:15 pm - 10:35 pmTYS Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld

8h 20m1 stop Denver Intl

$391Southwest

Thu, Nov 26 - Tue, Dec 1

1:43 pm - 11:46 pmBOI Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson

8h 03m1 stop Atlanta Hartsfield-Jackson

7:55 am - 12:42 pmTYS Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld

6h 47m1 stop Minneapolis St Paul

$395Delta

Fri, Jan 22 - Sun, Jan 24

6:00 am - 6:15 pmBOI Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson

10h 15m2 stops Las Vegas Harry Reid Intl Denver Intl

4:15 pm - 10:35 pmTYS Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld

8h 20m1 stop Denver Intl

$396Southwest

Thu, Nov 26 - Tue, Dec 1

10:35 am - 11:59 pmIDA Idaho Falls Fanning Field-TYS Knoxville McGhee Tyson

11h 24m2 stops Denver Intl Washington, D.C. Dulles Intl

5:03 pm - 9:09 pmTYS Knoxville McGhee Tyson-IDA Idaho Falls Fanning Field

6h 06m1 stop Denver Intl

$474United Airlines

Tue, Oct 27 - Sat, Oct 31

9:47 pm - 10:50 amBOI Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson

11h 03m2 stops Seattle/Tacoma Intl Dallas/Fort Worth

2:54 pm - 11:46 pmTYS Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld

10h 52m2 stops Dallas/Fort Worth Portland

$1,005Alaska Airlines

Sat, Nov 21 - Tue, Dec 1

9:47 pm - 11:11 amBOI Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson

11h 24m2 stops Seattle/Tacoma Intl Chicago O'Hare Intl

5:30 am - 11:28 amTYS Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld

7h 58m1 stop Dallas/Fort Worth

$1,179Alaska Airlines

Sat, Nov 21 - Sun, Nov 29

Cheap last minute flights

Enter your travel dates to find the best prices.

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

6h 37m1 stop Dallas/Fort Worth

5:30 am - 11:25 amTYS Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld

7h 55m1 stop Dallas/Fort Worth

$591American Airlines

Tue, Oct 20 - Mon, Nov 2

8:00 am - 9:14 pmBOI Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson

11h 14m2 stops Phoenix Sky Harbor Intl Charlotte Douglas

5:32 pm - 10:42 pmTYS Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld

7h 10m1 stop Dallas/Fort Worth

$596American Airlines

Tue, Oct 20 - Mon, Nov 2

8:00 am - 9:14 pmBOI Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson

11h 14m2 stops Phoenix Sky Harbor Intl Charlotte Douglas

5:30 am - 1:23 pmTYS Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld

9h 53m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl

$601American Airlines

Tue, Oct 20 - Mon, Nov 2

1:50 pm - 11:59 pmIDA Idaho Falls Fanning Field-TYS Knoxville McGhee Tyson

8h 09m1 stop Chicago O'Hare Intl

7:25 am - 1:09 pmTYS Knoxville McGhee Tyson-IDA Idaho Falls Fanning Field

7h 44m1 stop Dallas/Fort Worth

$899American Airlines

Tue, Oct 20 - Thu, Oct 22

10:35 am - 11:59 pmIDA Idaho Falls Fanning Field-TYS Knoxville McGhee Tyson

11h 24m2 stops Denver Intl Washington, D.C. Dulles Intl

4:53 pm - 8:54 pmTYS Knoxville McGhee Tyson-IDA Idaho Falls Fanning Field

6h 01m1 stop Denver Intl

$924United Airlines

Tue, Oct 20 - Thu, Oct 22

10:35 am - 11:59 pmIDA Idaho Falls Fanning Field-TYS Knoxville McGhee Tyson

11h 24m2 stops Denver Intl Washington, D.C. Dulles Intl

10:42 am - 5:16 pmTYS Knoxville McGhee Tyson-IDA Idaho Falls Fanning Field

8h 34m2 stops Chicago O'Hare Intl Denver Intl

$930United Airlines

Tue, Oct 20 - Thu, Oct 22

7:00 am - 8:49 pmIDA Idaho Falls Fanning Field-TYS Knoxville McGhee Tyson

11h 49m3 stops Denver Intl Rapid City Chicago O'Hare Intl

6:00 am - 5:16 pmTYS Knoxville McGhee Tyson-IDA Idaho Falls Fanning Field

13h 16m2 stops Chicago O'Hare Intl Denver Intl

$1,908United Airlines

Tue, Oct 20 - Thu, Oct 22

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American Airlines flights from Idaho to Knoxville

Our best American Airlines deals on Idaho to Knoxville flight tickets

American Airlines

Jan 23

BOI12:28 pmBoise Air Term. Gowen Fld

8h 51m

2 stops

TYS11:19 pmKnoxville McGhee Tyson

Jan 25

TYS2:49 pmKnoxville McGhee Tyson

7h 17m

1 stop

BOI8:06 pmBoise Air Term. Gowen Fld

$368

American Airlines

Feb 25

IDA1:42 pmIdaho Falls Fanning Field

8h 11m

1 stop

TYS11:53 pmKnoxville McGhee Tyson

Mar 3

TYS2:52 pmKnoxville McGhee Tyson

9h 00m

1 stop

IDA9:52 pmIdaho Falls Fanning Field

$379

American Airlines

Nov 1

BOI2:41 pmBoise Air Term. Gowen Fld

6h 51m

1 stop

TYS11:32 pmKnoxville McGhee Tyson

Nov 7

TYS7:52 amKnoxville McGhee Tyson

6h 45m

1 stop

BOI12:37 pmBoise Air Term. Gowen Fld

$395

United Airlines flights from Idaho to Knoxville

Our best United Airlines deals on Idaho to Knoxville flight tickets

United Airlines

Jan 23

BOI6:20 amBoise Air Term. Gowen Fld

6h 36m

1 stop

TYS2:56 pmKnoxville McGhee Tyson

Jan 25

TYS4:28 pmKnoxville McGhee Tyson

7h 05m

1 stop

BOI9:33 pmBoise Air Term. Gowen Fld

$363

United Airlines

Oct 27

IDA10:35 amIdaho Falls Fanning Field

11h 24m

2 stops

TYS11:59 pmKnoxville McGhee Tyson

Oct 31

TYS5:03 pmKnoxville McGhee Tyson

6h 06m

1 stop

IDA9:09 pmIdaho Falls Fanning Field

$474

United Airlines

Feb 6

BOI6:20 amBoise Air Term. Gowen Fld

6h 36m

1 stop

TYS2:56 pmKnoxville McGhee Tyson

Feb 9

TYS4:28 pmKnoxville McGhee Tyson

7h 05m

1 stop

BOI9:33 pmBoise Air Term. Gowen Fld

$483

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

BoiseKnoxville

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

BOITYS

Boise Air Term. Gowen Fld

Sat 1/23

6:20 am-2:56 pm

1 stop6h 36m

Knoxville McGhee Tyson

Mon 1/25

4:28 pm-9:33 pm

1 stop7h 05m

$363

BoiseKnoxville

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

BOITYS

Boise Air Term. Gowen Fld

Thu 2/18

2:00 pm-11:53 pm

1 stop7h 53m

Knoxville McGhee Tyson

Mon 2/22

2:52 pm-11:56 pm

2 stops11h 04m

$368

BoiseKnoxville

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

BOITYS

Boise Air Term. Gowen Fld

Sat 1/23

12:28 pm-11:19 pm

2 stops8h 51m

Knoxville McGhee Tyson

Mon 1/25

2:49 pm-8:06 pm

1 stop7h 17m

$368

BoiseKnoxville

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

BOITYS

Boise Air Term. Gowen Fld

Sat 1/23

1:15 pm-11:46 pm

2 stops8h 31m

Knoxville McGhee Tyson

Mon 1/25

8:47 am-4:49 pm

2 stops10h 02m

$386

BoiseKnoxville

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

BOITYS

Boise Air Term. Gowen Fld

Thu 11/26

10:40 am-6:15 pm

1 stop5h 35m

Knoxville McGhee Tyson

Tue 12/1

4:15 pm-10:35 pm

1 stop8h 20m

$391

BoiseKnoxville

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

BOITYS

Boise Air Term. Gowen Fld

Fri 1/22

1:43 pm-11:46 pm

1 stop8h 03m

Knoxville McGhee Tyson

Sun 1/24

7:55 am-12:42 pm

1 stop6h 47m

$395

BoiseKnoxville

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

BOITYS

Boise Air Term. Gowen Fld

Thu 11/26

6:00 am-6:15 pm

2 stops10h 15m

Knoxville McGhee Tyson

Tue 12/1

4:15 pm-10:35 pm

1 stop8h 20m

$396

Idaho FallsKnoxville

IDA Idaho Falls Fanning Field - TYS Knoxville McGhee Tyson

IDATYS

Idaho Falls Fanning Field

Tue 10/27

10:35 am-11:59 pm

2 stops11h 24m

Knoxville McGhee Tyson

Sat 10/31

5:03 pm-9:09 pm

1 stop6h 06m

$474

BoiseKnoxville

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

BOITYS

Boise Air Term. Gowen Fld

Sat 11/21

9:47 pm-10:50 am

2 stops11h 03m

Knoxville McGhee Tyson

Tue 12/1

2:54 pm-11:46 pm

2 stops10h 52m

$1,005

BoiseKnoxville

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

BOITYS

Boise Air Term. Gowen Fld

Sat 11/21

9:47 pm-11:11 am

2 stops11h 24m

Knoxville McGhee Tyson

Sun 11/29

5:30 am-11:28 am

1 stop7h 58m

$1,179

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 Idaho 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

Prices

Airlines

Other information

What is the cheapest month to fly to Knoxville?

The month of August is, on average, the cheapest month to fly to Knoxville from Idaho, with most prices found around $367. If you aren’t able to travel during the month of August, then book flights to Knoxville from Idaho during September instead. Flights to Knoxville in September, while not as cheap as those in August, still average around $467.

Can stopping save me money on Idaho to Knoxville flights?

You could potentially save up to 10% on your flight if you consider stops on a Idaho to Knoxville flight.

Cheap Idaho to Knoxville flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to Knoxville

Best Price Found	$182
Fastest flight time	5h 30m
Direct flights	None

The best one-way flight to Knoxville from Idaho in the past 72 hours is $182. The best round-trip flight deal from Idaho to Knoxville found on momondo in the last 72 hours is $363.

The fastest flight from Idaho to Knoxville takes 5h 30m

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

Search flight deals

Frequently asked questions about flying from Idaho to Knoxville

When did momondo last update prices for flights from Idaho to Knoxville McGhee Tyson Airport?
Prices for flights from Idaho to Knoxville McGhee Tyson Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Idaho to Knoxville McGhee Tyson Airport?
As of October 2026, there are 4 operators available to choose from for flights from Idaho to Knoxville McGhee Tyson Airport.
How old do you have to be to fly from Idaho to Knoxville McGhee Tyson Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Knoxville McGhee Tyson Airport.
What documentation or ID do you need to fly to Knoxville McGhee Tyson Airport?
The necessary travel and health documents for your Knoxville McGhee Tyson 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.

Best airlines flying from Idaho to Knoxville

Compare and see reviews for airlines that fly from Idaho to Knoxville with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $336	Free Cancellation	Rating 7.8 8,649 reviews	Search Delta flights
American Airlines	PriceFrom $336	Free Cancellation	Rating 7.0 12,164 reviews	Search American Airlines flights
United Airlines	PriceFrom $358	Free Cancellation	Rating 7.4 10,359 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $634	Free Cancellation	Rating 7.9 13,064 reviews	Search Alaska Airlines flights

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Bryson City

Morristown

Corbin

Alcoa

Crossville

Maryville

Murphy

Oak Ridge

Kodak

Newport

Lenoir City

Dandridge

Clinton

Rockford

Jefferson City

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Can I find flights from Idaho to Knoxville with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Idaho to Knoxville flights to just show those with flexible booking policies.

How can momondo help me find flights from Idaho to Knoxville?

Once you have performed a search for Idaho to Knoxville flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Idaho to Knoxville right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Idaho to Knoxville now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Knoxville and let you know when they change.

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Cheap flights from Idaho to Knoxville 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 Idaho to Knoxville departing on 11/16. 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 Idaho to Knoxville

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What is the cheapest airline that flies from Idaho to Knoxville McGhee Tyson?

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Why use momondo?

An easier way to manage your Knoxville 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.

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