What airlines fly to Idaho?

American Airlines, Delta and United Airlines 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 50% 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?

United Airlines, Delta, and Southwest 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 March 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.

$190 Cheap Flights from Knoxville to Idaho in 2026

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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.

5:40 am - 12:38 pm

TYS

JAC

8h 58m

1 stop

3:06 pm - 11:51 pm

JAC

TYS

6h 45m

1 stop

$297American Airlines

Sat, Mar 28 - Sat, Apr 4

2:16 pm - 7:34 pm

TYS

JAC

7h 18m

1 stop

4:11 pm - 11:53 pm

JAC

TYS

5h 42m

1 stop

$310American Airlines

Fri, Aug 21 - Wed, Aug 26

5:00 am - 12:38 pm

TYS

JAC

9h 38m

2 stops

3:06 pm - 11:51 pm

JAC

TYS

6h 45m

1 stop

$328American Airlines

Sat, Mar 28 - Sat, Apr 4

5:40 am - 12:38 pm

TYS

JAC

8h 58m

1 stop

3:06 pm - 11:51 pm

JAC

TYS

6h 45m

1 stop

$335American Airlines

Mon, Mar 23 - Fri, Mar 27

4:30 pm - 9:11 pm

TYS

GEG

7h 41m

1 stop

5:05 am - 3:06 pm

GEG

TYS

7h 01m

1 stop

$359United Airlines

Thu, Apr 23 - Mon, Apr 27

7:05 am - 1:45 pm

TYS

GEG

9h 40m

2 stops

6:25 am - 3:15 pm

GEG

TYS

5h 50m

1 stop

$367Southwest

Tue, Apr 14 - Sun, Apr 19

5:10 pm - 10:35 pm

TYS

BOI

7h 25m

1 stop

3:23 pm - 10:59 pm

BOI

TYS

5h 36m

1 stop

$379Delta

Wed, Apr 8 - Mon, Apr 13

7:05 am - 3:15 pm

TYS

GEG

11h 10m

2 stops

5:00 am - 3:17 pm

GEG

TYS

7h 17m

1 stop

$384United Airlines

Wed, Apr 29 - Sun, May 3

11:18 am - 9:10 pm

TYS

BOI

11h 52m

2 stops

3:23 pm - 10:59 pm

BOI

TYS

5h 36m

1 stop

$384Delta

Wed, Apr 8 - Mon, Apr 13

2:55 pm - 11:25 pm

TYS

GEG

11h 30m

2 stops

5:20 pm - 11:40 am

GEG

TYS

15h 20m

2 stops

$388Southwest

Tue, Apr 14 - Sun, Apr 19

Delta flights from Knoxville to Idaho

Our best Delta deals on Knoxville to Idaho flight tickets

Delta

Apr 8

TYS5:10 pmKnoxville McGhee Tyson

7h 25m

1 stop

BOI10:35 pmBoise Air Term. Gowen Fld

Apr 13

BOI3:23 pmBoise Air Term. Gowen Fld

5h 36m

1 stop

TYS10:59 pmKnoxville McGhee Tyson

$379

Delta

Apr 8

TYS11:18 amKnoxville McGhee Tyson

11h 52m

2 stops

BOI9:10 pmBoise Air Term. Gowen Fld

Apr 13

BOI3:23 pmBoise Air Term. Gowen Fld

5h 36m

1 stop

TYS10:59 pmKnoxville McGhee Tyson

$384

Delta

May 14

TYS3:05 pmKnoxville McGhee Tyson

11h 01m

2 stops

GEG11:06 pmSpokane

May 18

GEG10:40 pmSpokane

7h 54m

1 stop

TYS9:34 amKnoxville McGhee Tyson

$394

Southwest flights from Knoxville to Idaho

Our best Southwest deals on Knoxville to Idaho flight tickets

Southwest

Apr 14

TYS7:05 amKnoxville McGhee Tyson

9h 40m

2 stops

GEG1:45 pmSpokane

Apr 19

GEG6:25 amSpokane

5h 50m

1 stop

TYS3:15 pmKnoxville McGhee Tyson

$367

Southwest

Apr 14

TYS2:55 pmKnoxville McGhee Tyson

11h 30m

2 stops

GEG11:25 pmSpokane

Apr 19

GEG5:20 pmSpokane

15h 20m

2 stops

TYS11:40 amKnoxville McGhee Tyson

$388

Southwest

Apr 22

TYS7:05 amKnoxville McGhee Tyson

11h 35m

2 stops

BOI4:40 pmBoise Air Term. Gowen Fld

Apr 27

BOI7:55 pmBoise Air Term. Gowen Fld

14h 05m

2 stops

TYS12:00 pmKnoxville McGhee Tyson

$395

Fly from

Fly to

Route

Depart

Return

Price

KnoxvilleJackson

TYS - JAC

TYSJAC

Knoxville McGhee Tyson

Sat 3/28

5:40 am-12:38 pm

1 stop8h 58m

Jackson Hole

Sat 4/4

3:06 pm-11:51 pm

1 stop6h 45m

$297

KnoxvilleJackson

TYS - JAC

TYSJAC

Knoxville McGhee Tyson

Fri 8/21

2:16 pm-7:34 pm

1 stop7h 18m

Jackson Hole

Wed 8/26

4:11 pm-11:53 pm

1 stop5h 42m

$310

KnoxvilleJackson

TYS - JAC

TYSJAC

Knoxville McGhee Tyson

Sat 3/28

5:00 am-12:38 pm

2 stops9h 38m

Jackson Hole

Sat 4/4

3:06 pm-11:51 pm

1 stop6h 45m

$328

KnoxvilleJackson

TYS - JAC

TYSJAC

Knoxville McGhee Tyson

Mon 3/23

5:40 am-12:38 pm

1 stop8h 58m

Jackson Hole

Fri 3/27

3:06 pm-11:51 pm

1 stop6h 45m

$335

KnoxvilleSpokane

TYS - GEG

TYSGEG

Knoxville McGhee Tyson

Thu 4/23

4:30 pm-9:11 pm

1 stop7h 41m

Spokane

Mon 4/27

5:05 am-3:06 pm

1 stop7h 01m

$359

KnoxvilleSpokane

TYS - GEG

TYSGEG

Knoxville McGhee Tyson

Tue 4/14

7:05 am-1:45 pm

2 stops9h 40m

Spokane

Sun 4/19

6:25 am-3:15 pm

1 stop5h 50m

$367

KnoxvilleBoise

TYS - BOI

TYSBOI

Knoxville McGhee Tyson

Wed 4/8

5:10 pm-10:35 pm

1 stop7h 25m

Boise Air Term. Gowen Fld

Mon 4/13

3:23 pm-10:59 pm

1 stop5h 36m

$379

KnoxvilleSpokane

TYS - GEG

TYSGEG

Knoxville McGhee Tyson

Wed 4/29

7:05 am-3:15 pm

2 stops11h 10m

Spokane

Sun 5/3

5:00 am-3:17 pm

1 stop7h 17m

$384

KnoxvilleBoise

TYS - BOI

TYSBOI

Knoxville McGhee Tyson

Wed 4/8

11:18 am-9:10 pm

2 stops11h 52m

Boise Air Term. Gowen Fld

Mon 4/13

3:23 pm-10:59 pm

1 stop5h 36m

$384

KnoxvilleSpokane

TYS - GEG

TYSGEG

Knoxville McGhee Tyson

Tue 4/14

2:55 pm-11:25 pm

2 stops11h 30m

Spokane

Sun 4/19

5:20 pm-11:40 am

2 stops15h 20m

$388

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 $259. If you don’t want to visit Idaho in April, then you should wait until May to fly from Knoxville, when ticket prices are also cheap, with an average price of $358.

Cheap Knoxville to Idaho flight deals and tips

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

Fastest flight time	6h 02m
Direct flights	None

The fastest flight from Knoxville to Idaho takes 6h 02m

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

Search flight deals

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 March 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 $156	Free Cancellation	Rating 7.1 11,369 reviews	Search American Airlines flights
Delta	PriceFrom $239	Free Cancellation	Rating 7.9 8,237 reviews	Search Delta flights
United Airlines	PriceFrom $411	Free Cancellation	Rating 7.4 9,375 reviews	Search United Airlines 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.