What airlines fly to Idaho?

American Airlines, United Airlines and Delta 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 46% 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.

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

American Airlines, Southwest, and United Airlines are the most popular carriers operating from Knoxville McGhee Tyson 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 September 2026.

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.

$169 Cheap Flights from Knoxville to Idaho in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Knoxville to Idaho

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 11:24 amTYS Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld

7h 24m1 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

$337American Airlines

Wed, Oct 7 - Wed, Oct 14

8:00 am - 2:39 pmTYS Knoxville McGhee Tyson-JAC Jackson Hole

8h 39m1 stop Dallas/Fort Worth

3:19 pm - 11:11 pmJAC Jackson Hole-TYS Knoxville McGhee Tyson

5h 52m1 stop Dallas/Fort Worth

$341American Airlines

Sun, Jan 10 - Wed, Jan 13

5:30 am - 12:39 pmTYS Knoxville McGhee Tyson-JAC Jackson Hole

9h 09m1 stop Dallas/Fort Worth

1:21 pm - 11:32 pmJAC Jackson Hole-TYS Knoxville McGhee Tyson

8h 11m1 stop Dallas/Fort Worth

$361American Airlines

Mon, Nov 2 - Fri, Nov 6

6:40 am - 11:36 amTYS Knoxville McGhee Tyson-JAC Jackson Hole

6h 56m1 stop Chicago O'Hare Intl

10:51 am - 12:05 amJAC Jackson Hole-TYS Knoxville McGhee Tyson

11h 14m2 stops Denver Intl Washington, D.C. Dulles Intl

$366United Airlines

Sun, Jan 10 - Wed, Jan 13

10:42 am - 8:49 pmTYS Knoxville McGhee Tyson-GEG Spokane

13h 07m2 stops Chicago O'Hare Intl Denver Intl

5:00 am - 3:54 pmGEG Spokane-TYS Knoxville McGhee Tyson

7h 54m1 stop Denver Intl

$402United Airlines

Sat, Oct 3 - Sat, Oct 24

4:53 pm - 8:49 pmTYS Knoxville McGhee Tyson-GEG Spokane

6h 56m1 stop Denver Intl

5:00 am - 3:54 pmGEG Spokane-TYS Knoxville McGhee Tyson

7h 54m1 stop Denver Intl

$415United Airlines

Sat, Oct 3 - Sat, Oct 24

5:50 pm - 10:05 pmTYS Knoxville McGhee Tyson-GEG Spokane

7h 15m1 stop Denver Intl

7:00 am - 3:45 pmGEG Spokane-TYS Knoxville McGhee Tyson

5h 45m1 stop Denver Intl

$429Southwest

Thu, Jan 14 - Tue, Jan 19

7:55 am - 4:29 pmTYS Knoxville McGhee Tyson-JAC Jackson Hole

10h 34m2 stops Minneapolis St Paul Salt Lake City

1:10 pm - 11:46 pmJAC Jackson Hole-TYS Knoxville McGhee Tyson

8h 36m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$430Delta

Sun, Jan 10 - Wed, Jan 13

5:40 am - 12:20 pmTYS Knoxville McGhee Tyson-GEG Spokane

9h 40m2 stops Atlanta Hartsfield-Jackson Seattle/Tacoma Intl

7:20 pm - 9:34 amGEG Spokane-TYS Knoxville McGhee Tyson

11h 14m2 stops Seattle/Tacoma Intl Atlanta Hartsfield-Jackson

$441Delta

Sat, Oct 3 - Sat, Oct 24

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

6:20 am - 7:45 pmBOI Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson

11h 25m2 stops Las Vegas Harry Reid Intl Nashville Intl

$452Southwest

Mon, Nov 23 - Wed, Dec 2

Cheap last minute flights

Enter your travel dates to find the best prices.

1:53 pm - 6:51 pmTYS Knoxville McGhee Tyson-JAC Jackson Hole

6h 58m1 stop Chicago O'Hare Intl

7:00 am - 3:54 pmJAC Jackson Hole-TYS Knoxville McGhee Tyson

6h 54m1 stop Denver Intl

$517United Airlines

Fri, Sep 11 - Tue, Sep 15

9:00 am - 12:44 pmTYS Knoxville McGhee Tyson-JAC Jackson Hole

5h 44m1 stop Denver Intl

1:40 pm - 12:23 amJAC Jackson Hole-TYS Knoxville McGhee Tyson

8h 43m2 stops Denver Intl Chicago O'Hare Intl

$522United Airlines

Fri, Sep 11 - Tue, Sep 15

3:21 pm - 9:20 pmTYS Knoxville McGhee Tyson-IDA Idaho Falls Fanning Field

7h 59m1 stop Dallas/Fort Worth

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

8h 09m1 stop Chicago O'Hare Intl

$525American Airlines

Sat, Sep 12 - Wed, Oct 14

1:53 pm - 8:40 pmTYS Knoxville McGhee Tyson-JAC Jackson Hole

8h 47m2 stops Chicago O'Hare Intl Denver Intl

1:40 pm - 12:23 amJAC Jackson Hole-TYS Knoxville McGhee Tyson

8h 43m2 stops Denver Intl Chicago O'Hare Intl

$527United Airlines

Fri, Sep 11 - Tue, Sep 15

12:09 pm - 9:20 pmTYS Knoxville McGhee Tyson-IDA Idaho Falls Fanning Field

11h 11m2 stops Charlotte Douglas Dallas/Fort Worth

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

8h 09m1 stop Chicago O'Hare Intl

$534American Airlines

Sat, Sep 12 - Wed, Oct 14

4:50 pm - 8:40 pmTYS Knoxville McGhee Tyson-JAC Jackson Hole

5h 50m1 stop Denver Intl

7:00 am - 3:54 pmJAC Jackson Hole-TYS Knoxville McGhee Tyson

6h 54m1 stop Denver Intl

$551United Airlines

Sat, Sep 12 - Mon, Sep 14

6:00 am - 11:54 amTYS Knoxville McGhee Tyson-GEG Spokane

8h 54m1 stop Dallas/Fort Worth

12:39 pm - 11:22 pmGEG Spokane-TYS Knoxville McGhee Tyson

7h 43m1 stop Dallas/Fort Worth

$614American Airlines

Wed, Sep 16 - Fri, Sep 18

1:55 pm - 10:30 pmTYS Knoxville McGhee Tyson-GEG Spokane

11h 35m2 stops Dallas Love Field Denver Intl

5:10 pm - 11:55 amGEG Spokane-TYS Knoxville McGhee Tyson

15h 45m2 stops Las Vegas Harry Reid Intl Nashville Intl

$630Southwest

Wed, Sep 16 - Fri, Sep 18

6:20 pm - 11:59 pmTYS Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld

7h 39m1 stop Minneapolis St Paul

11:10 pm - 9:29 amBOI Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson

8h 19m1 stop Atlanta Hartsfield-Jackson

$683Delta

Fri, Sep 11 - Mon, Sep 14

11:20 am - 11:44 pmTYS Knoxville McGhee Tyson-BOI Boise Air Term. Gowen Fld

14h 24m2 stops Chicago O'Hare Intl Seattle/Tacoma Intl

7:48 pm - 11:17 amBOI Boise Air Term. Gowen Fld-TYS Knoxville McGhee Tyson

13h 29m2 stops Seattle/Tacoma Intl Dallas/Fort Worth

$835Alaska Airlines

Fri, Sep 11 - Mon, Sep 14

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American Airlines flights from Knoxville to Idaho

Our best American Airlines deals on Knoxville to Idaho flight tickets

American Airlines

Oct 7

TYS6:00 amKnoxville McGhee Tyson

7h 24m

1 stop

BOI11:24 amBoise Air Term. Gowen Fld

Oct 14

BOI3:24 pmBoise Air Term. Gowen Fld

6h 35m

1 stop

TYS11:59 pmKnoxville McGhee Tyson

$337

American Airlines

Jan 10

TYS8:00 amKnoxville McGhee Tyson

8h 39m

1 stop

JAC2:39 pmJackson Hole

Jan 13

JAC3:19 pmJackson Hole

5h 52m

1 stop

TYS11:11 pmKnoxville McGhee Tyson

$341

American Airlines

Nov 2

TYS5:30 amKnoxville McGhee Tyson

9h 09m

1 stop

JAC12:39 pmJackson Hole

Nov 6

JAC1:21 pmJackson Hole

8h 11m

1 stop

TYS11:32 pmKnoxville McGhee Tyson

$361

United Airlines flights from Knoxville to Idaho

Our best United Airlines deals on Knoxville to Idaho flight tickets

United Airlines

Jan 10

TYS6:40 amKnoxville McGhee Tyson

6h 56m

1 stop

JAC11:36 amJackson Hole

Jan 13

JAC10:51 amJackson Hole

11h 14m

2 stops

TYS12:05 amKnoxville McGhee Tyson

$366

United Airlines

Oct 3

TYS10:42 amKnoxville McGhee Tyson

13h 07m

2 stops

GEG8:49 pmSpokane

Oct 24

GEG5:00 amSpokane

7h 54m

1 stop

TYS3:54 pmKnoxville McGhee Tyson

$402

United Airlines

Oct 3

TYS4:53 pmKnoxville McGhee Tyson

6h 56m

1 stop

GEG8:49 pmSpokane

Oct 24

GEG5:00 amSpokane

7h 54m

1 stop

TYS3:54 pmKnoxville McGhee Tyson

$415

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 10/7

6:00 am-11:24 am

1 stop7h 24m

Boise Air Term. Gowen Fld

Wed 10/14

3:24 pm-11:59 pm

1 stop6h 35m

$337

KnoxvilleJackson

TYS Knoxville McGhee Tyson - JAC Jackson Hole

TYSJAC

Knoxville McGhee Tyson

Sun 1/10

8:00 am-2:39 pm

1 stop8h 39m

Jackson Hole

Wed 1/13

3:19 pm-11:11 pm

1 stop5h 52m

$341

KnoxvilleJackson

TYS Knoxville McGhee Tyson - JAC Jackson Hole

TYSJAC

Knoxville McGhee Tyson

Mon 11/2

5:30 am-12:39 pm

1 stop9h 09m

Jackson Hole

Fri 11/6

1:21 pm-11:32 pm

1 stop8h 11m

$361

KnoxvilleJackson

TYS Knoxville McGhee Tyson - JAC Jackson Hole

TYSJAC

Knoxville McGhee Tyson

Sun 1/10

6:40 am-11:36 am

1 stop6h 56m

Jackson Hole

Wed 1/13

10:51 am-12:05 am

2 stops11h 14m

$366

KnoxvilleSpokane

TYS Knoxville McGhee Tyson - GEG Spokane

TYSGEG

Knoxville McGhee Tyson

Sat 10/3

10:42 am-8:49 pm

2 stops13h 07m

Spokane

Sat 10/24

5:00 am-3:54 pm

1 stop7h 54m

$402

KnoxvilleSpokane

TYS Knoxville McGhee Tyson - GEG Spokane

TYSGEG

Knoxville McGhee Tyson

Sat 10/3

4:53 pm-8:49 pm

1 stop6h 56m

Spokane

Sat 10/24

5:00 am-3:54 pm

1 stop7h 54m

$415

Quickest round-trip

KnoxvilleSpokane

TYS Knoxville McGhee Tyson - GEG Spokane

TYSGEG

Knoxville McGhee Tyson

Thu 1/14

5:50 pm-10:05 pm

1 stop7h 15m

Spokane

Tue 1/19

7:00 am-3:45 pm

1 stop5h 45m

$429

KnoxvilleJackson

TYS Knoxville McGhee Tyson - JAC Jackson Hole

TYSJAC

Knoxville McGhee Tyson

Sun 1/10

7:55 am-4:29 pm

2 stops10h 34m

Jackson Hole

Wed 1/13

1:10 pm-11:46 pm

2 stops8h 36m

$430

KnoxvilleSpokane

TYS Knoxville McGhee Tyson - GEG Spokane

TYSGEG

Knoxville McGhee Tyson

Sat 10/3

5:40 am-12:20 pm

2 stops9h 40m

Spokane

Sat 10/24

7:20 pm-9:34 am

2 stops11h 14m

$441

KnoxvilleBoise

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

TYSBOI

Knoxville McGhee Tyson

Mon 11/23

3:40 pm-12:50 am

2 stops11h 10m

Boise Air Term. Gowen Fld

Wed 12/2

6:20 am-7:45 pm

2 stops11h 25m

$452

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 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

Prices

Airlines

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 $384. If you don’t want to visit Idaho in April, then you should wait until February to fly from Knoxville, when ticket prices are also cheap, with an average price of $456.

Cheap Knoxville to Idaho flight deals and tips

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

Best Price Found	$169
Fastest flight time	5h 50m
Direct flights	None

The best one-way flight to Idaho from Knoxville in the past 72 hours is $169. The best round-trip flight deal from Knoxville to Idaho found on momondo in the last 72 hours is $337.

The fastest flight from Knoxville to Idaho takes 5h 50m

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

Search flight deals

Frequently asked questions about flying 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 September 2026.
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
American Airlines	PriceFrom $259	Free Cancellation	Rating 7.1 12,045 reviews	Search American Airlines flights
United Airlines	PriceFrom $350	Free Cancellation	Rating 7.4 10,194 reviews	Search United Airlines flights
Delta	PriceFrom $398	Free Cancellation	Rating 7.8 8,554 reviews	Search Delta flights

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.