What airlines fly to Idaho?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Idaho from Kentucky according to our data. American Airlines is the first choice among our users, with 29% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 4 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 Kentucky to Idaho?

American Airlines, United Airlines, and Allegiant Air are the most popular carriers operating from Kentucky to Idaho

How long is the flight from Kentucky to Idaho?

Flight times from Kentucky to Idaho vary, but if you’re flying out of Louisville and flying into Boise (one of the most popular routes), then the duration is 6h 10m on average. Another popular route from Kentucky to Idaho is flying from Lexington to Boise, which will take roughly 8h 24m. Keep in mind that layovers or delays could extend your travel time.

When did momondo last update prices for flights from Kentucky to Idaho?

Prices for flights from Kentucky to Idaho are refreshed on a daily basis.

How many operators does momondo search for flights from Kentucky to Idaho?

As of July 2025, there are 7 operators available to choose from for flights from Kentucky to Idaho.

How old do you have to be to fly from Kentucky to Idaho?

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 Kentucky to Idaho.

What documentation or ID do you need to fly to Idaho?

The required travel and health documents for your Idaho trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Idaho. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$107 Cheap Flights from Kentucky to Idaho in 2025

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Find the cheapest flights from Kentucky to Idaho

Round-trip

One-way

Last minute

Cheap round-trip flights

5:35 am - 12:29 pmBNA-JAC

7h 54m1 stop

1:24 pm - 11:06 pmJAC-BNA

8h 42m1 stop

$213American Airlines

Find Deal

Thu, Oct 23 - Tue, Oct 28

6:18 am - 11:37 amCVG-BOI

7h 19m1 stop

12:22 pm - 10:12 pmBOI-CVG

7h 50m1 stop

$255Frontier

Find Deal

Thu, Sep 4 - Sun, Sep 7

6:47 pm - 11:59 pmBNA-GEG

7h 12m1 stop

1:40 pm - 12:08 amGEG-BNA

8h 28m1 stop

$258Alaska Airlines

Find Deal

Wed, Aug 27 - Wed, Sep 3

5:10 pm - 12:02 amBNA-GEG

8h 52m1 stop

6:10 am - 4:15 pmGEG-BNA

8h 05m1 stop

$259Delta

Find Deal

Thu, Aug 21 - Wed, Aug 27

5:10 pm - 12:02 amBNA-GEG

8h 52m1 stop

9:15 am - 9:56 pmGEG-BNA

10h 41m2 stops

$264Delta

Find Deal

Thu, Aug 21 - Wed, Aug 27

5:05 am - 12:00 pmBNA-GEG

8h 55m1 stop

6:05 am - 3:05 pmGEG-BNA

7h 00m2 stops

$270Southwest

Find Deal

Sat, Dec 6 - Mon, Dec 8

6:37 pm - 11:59 pmCVG-GEG

8h 22m1 stop

1:40 pm - 5:40 pmGEG-CVG

25h 00m1 stop

$279Alaska Airlines

Find Deal

Sat, Aug 30 - Tue, Sep 2

9:54 am - 9:03 pmBNA-GEG

13h 09m2 stops

5:15 am - 1:18 pmGEG-BNA

6h 03m1 stop

$306United Airlines

Find Deal

Fri, Sep 5 - Sat, Sep 13

9:50 am - 7:30 pmBNA-GEG

11h 40m2 stops

8:25 am - 7:10 pmGEG-BNA

8h 45m2 stops

$315Southwest

Find Deal

Wed, Aug 27 - Wed, Sep 3

9:54 am - 9:03 pmBNA-GEG

13h 09m2 stops

5:15 am - 1:18 pmGEG-BNA

6h 03m1 stop

$323United Airlines

Find Deal

Wed, Aug 20 - Sun, Aug 24

Delta flights from Kentucky to Idaho

Our best Delta deals on Kentucky to Idaho flight tickets

Delta

Aug 21

BNA5:10 pmNashville Intl

8h 52m

1 stop

GEG12:02 amSpokane

Aug 27

GEG6:10 amSpokane

8h 05m

1 stop

BNA4:15 pmNashville Intl

$259

Find similar

Delta

Aug 21

BNA5:10 pmNashville Intl

8h 52m

1 stop

GEG12:02 amSpokane

Aug 27

GEG9:15 amSpokane

10h 41m

2 stops

BNA9:56 pmNashville Intl

$264

Find similar

Delta

Dec 6

BNA6:00 amNashville Intl

9h 10m

1 stop

GEG1:10 pmSpokane

Dec 7

GEG1:30 pmSpokane

6h 47m

1 stop

BNA10:17 pmNashville Intl

$265

Find similar

American Airlines flights from Kentucky to Idaho

Our best American Airlines deals on Kentucky to Idaho flight tickets

American Airlines

Oct 23

BNA5:35 amNashville Intl

7h 54m

1 stop

JAC12:29 pmJackson Hole

Oct 28

JAC1:24 pmJackson Hole

8h 42m

1 stop

BNA11:06 pmNashville Intl

$213

Find similar

American Airlines

Sep 23

LEX6:00 amLexington Blue Grass

6h 19m

1 stop

JAC10:19 amJackson Hole

Oct 2

JAC4:08 pmJackson Hole

6h 03m

1 stop

LEX12:11 amLexington Blue Grass

$269

Find similar

American Airlines

Aug 25

BNA5:00 amNashville Intl

6h 24m

1 stop

JAC10:24 amJackson Hole

Sep 3

JAC3:24 pmJackson Hole

5h 41m

1 stop

BNA10:05 pmNashville Intl

$284

Find similar

Fly from

Fly to

Route

Depart

Return

Price

NashvilleJackson

BNA - JAC

BNAJAC

Nashville Intl

Thu 10/23

5:35 am-12:29 pm

1 stop7h 54m

Jackson Hole

Tue 10/28

1:24 pm-11:06 pm

1 stop8h 42m

$213

CincinnatiBoise

CVG - BOI

CVGBOI

Cincinnati Cinci./N. Kentucky

Thu 9/4

6:18 am-11:37 am

1 stop7h 19m

Boise Air Term. Gowen Fld

Sun 9/7

12:22 pm-10:12 pm

1 stop7h 50m

$255

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Wed 8/27

6:47 pm-11:59 pm

1 stop7h 12m

Spokane

Wed 9/3

1:40 pm-12:08 am

1 stop8h 28m

$258

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Thu 8/21

5:10 pm-12:02 am

1 stop8h 52m

Spokane

Wed 8/27

6:10 am-4:15 pm

1 stop8h 05m

$259

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Thu 8/21

5:10 pm-12:02 am

1 stop8h 52m

Spokane

Wed 8/27

9:15 am-9:56 pm

2 stops10h 41m

$264

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Sat 12/6

5:05 am-12:00 pm

1 stop8h 55m

Spokane

Mon 12/8

6:05 am-3:05 pm

2 stops7h 00m

$270

CincinnatiSpokane

CVG - GEG

CVGGEG

Cincinnati Cinci./N. Kentucky

Sat 8/30

6:37 pm-11:59 pm

1 stop8h 22m

Spokane

Tue 9/2

1:40 pm-5:40 pm

1 stop25h 00m

$279

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Fri 9/5

9:54 am-9:03 pm

2 stops13h 09m

Spokane

Sat 9/13

5:15 am-1:18 pm

1 stop6h 03m

$306

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Wed 8/27

9:50 am-7:30 pm

2 stops11h 40m

Spokane

Wed 9/3

8:25 am-7:10 pm

2 stops8h 45m

$315

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Wed 8/20

9:54 am-9:03 pm

2 stops13h 09m

Spokane

Sun 8/24

5:15 am-1:18 pm

1 stop6h 03m

$323

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 Kentucky 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

Other information

What is the cheapest month to fly to Idaho?

In general, February is the cheapest month to fly from Kentucky to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $381. If you don’t want to visit Idaho in February, then you should wait until December to fly from Kentucky, when ticket prices are also cheap, with an average price of $381.

What is the cheapest day to depart on your flight to Idaho?

Our data shows that Saturday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $400. On the other hand, Tuesday is the most expensive day to depart from Kentucky because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $602.

What is the cheapest time of day to depart on your flight to Idaho?

According to our data, the cheapest time of day to fly to Idaho is in the evening. momondo users have found flights departing from Kentucky to Idaho in the evening for as low as $407. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Idaho, so prices are often more expensive at around $586 per ticket.

Can stopping save me money on Kentucky to Idaho flights?

You could potentially save up to 7% on your flight if you consider stops on a Kentucky to Idaho flight.

Cheap Kentucky to Idaho flight deals and tips

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

Best Price Found	$107
Fastest flight time	5h 11m
Direct flights	None
Airports in Idaho	4 airports

The best one-way flight to Idaho from Kentucky in the past 72 hours is $107. The best round-trip flight deal from Kentucky to Idaho found on momondo in the last 72 hours is $213.

The fastest flight from Kentucky to Idaho takes 5h 11m

There are no direct flights from Kentucky to Idaho. Popular non-direct routes for this connection are Nashville Intl Airport - Jackson Hole Airport, Nashville Intl Airport - Spokane Airport and Cincinnati Cinci./N. Kentucky Airport - Spokane Airport.

There are 4 airports near Idaho: Idaho Falls Fanning Field (IDA), Spokane (GEG), Jackson Hole (JAC), Boise Air Term. Gowen Fld (BOI)

Search flight deals

When did momondo last update prices for flights from Kentucky to Idaho?
Prices for flights from Kentucky to Idaho are refreshed on a daily basis.
How many operators does momondo search for flights from Kentucky to Idaho?
As of July 2025, there are 7 operators available to choose from for flights from Kentucky to Idaho.
How old do you have to be to fly from Kentucky to Idaho?
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 Kentucky to Idaho.
What documentation or ID do you need to fly to Idaho?
The required travel and health documents for your Idaho trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Idaho. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Kentucky to Idaho

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $258	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
American Airlines	PriceFrom $278	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $324	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights
Southwest	PriceFrom $351	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Kentucky to Idaho?

Finding the right flight to Idaho from Kentucky is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Idaho quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Idaho from Kentucky which offer a flexible booking policy as well as other useful filters and features.

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

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 Idaho from Kentucky.

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

Yes momondo offers price alerts on flights to Idaho from Kentucky. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.