What airlines fly to Idaho?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Idaho from Kentucky according to our data. United Airlines is the first choice among our users, with 30% 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?

Frontier, Allegiant Air, and American Airlines 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 26m on average. Another popular route from Kentucky to Idaho is flying from Lexington to Boise, which will take roughly 7h 01m. 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 November 2025, there are 6 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.

$65 Cheap Flights from Kentucky to Idaho in 2025/26

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Find the cheapest flights from Kentucky to Idaho

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:40 am - 2:55 pmCVG-GEG

11h 15m2 stops

6:05 am - 6:43 pmGEG-CVG

9h 38m1 stop

$261Delta

Find Deal

Sat, Dec 13 - Wed, Dec 17

6:30 am - 8:33 amCVG-GEG

29h 03m1 stop

1:10 pm - 6:43 pmGEG-CVG

26h 33m1 stop

$265Delta

Find Deal

Thu, Dec 11 - Sun, Dec 14

7:30 am - 3:40 pmCVG-GEG

11h 10m1 stop

12:06 pm - 12:39 amGEG-CVG

9h 33m1 stop

$273Frontier

Find Deal

Sun, Nov 23 - Sat, Nov 29

5:27 pm - 10:58 pmBNA-GEG

7h 31m1 stop

6:31 am - 7:26 pmGEG-BNA

10h 55m2 stops

$333American Airlines

Find Deal

Wed, Nov 26 - Tue, Dec 2

11:26 am - 9:02 pmCVG-JAC

11h 36m2 stops

2:30 pm - 10:21 pmJAC-CVG

5h 51m1 stop

$334United Airlines

Find Deal

Sat, Apr 11 - Sat, Apr 18

6:45 am - 3:18 pmTYS-JAC

10h 33m2 stops

12:30 pm - 9:02 pmJAC-TYS

6h 32m1 stop

$341United Airlines

Find Deal

Sun, Jan 11 - Sat, Jan 17

6:42 am - 12:13 pmCVG-JAC

7h 31m1 stop

2:10 pm - 10:59 pmJAC-CVG

6h 49m1 stop

$353American Airlines

Find Deal

Sun, Jan 4 - Fri, Jan 9

8:20 pm - 11:07 amCVG-GEG

17h 47m2 stops

12:02 pm - 1:13 pmGEG-CVG

22h 11m1 stop

$361Frontier

Find Deal

Mon, Dec 29 - Sat, Jan 3

6:05 am - 2:15 pmBNA-BOI

9h 10m2 stops

5:20 pm - 12:05 amBOI-BNA

5h 45m1 stop

$371Southwest

Find Deal

Thu, Feb 12 - Mon, Feb 16

1:55 pm - 10:15 pmBNA-BOI

9h 20m2 stops

1:45 pm - 1:00 amBOI-BNA

10h 15m2 stops

$396Southwest

Find Deal

Thu, Feb 12 - Mon, Feb 16

Delta flights from Kentucky to Idaho

Our best Delta deals on Kentucky to Idaho flight tickets

Delta

Dec 13

CVG6:40 amCincinnati Cinci./N. Kentucky

11h 15m

2 stops

GEG2:55 pmSpokane

Dec 17

GEG6:05 amSpokane

9h 38m

1 stop

CVG6:43 pmCincinnati Cinci./N. Kentucky

$261

Find similar

Delta

Dec 11

CVG6:30 amCincinnati Cinci./N. Kentucky

29h 03m

1 stop

GEG8:33 amSpokane

Dec 14

GEG1:10 pmSpokane

26h 33m

1 stop

CVG6:43 pmCincinnati Cinci./N. Kentucky

$265

Find similar

Delta

Dec 7

BNA7:00 amNashville Intl

7h 29m

1 stop

GEG12:29 pmSpokane

Dec 13

GEG3:35 pmSpokane

6h 42m

1 stop

BNA12:17 amNashville Intl

$267

Find similar

Southwest flights from Kentucky to Idaho

Our best Southwest deals on Kentucky to Idaho flight tickets

Southwest

Feb 12

BNA6:05 amNashville Intl

9h 10m

2 stops

BOI2:15 pmBoise Air Term. Gowen Fld

Feb 16

BOI5:20 pmBoise Air Term. Gowen Fld

5h 45m

1 stop

BNA12:05 amNashville Intl

$371

Find similar

Southwest

Feb 12

BNA1:55 pmNashville Intl

9h 20m

2 stops

BOI10:15 pmBoise Air Term. Gowen Fld

Feb 16

BOI1:45 pmBoise Air Term. Gowen Fld

10h 15m

2 stops

BNA1:00 amNashville Intl

$396

Find similar

Southwest

Dec 29

BNA5:25 amNashville Intl

12h 25m

1 stop

BOI4:50 pmBoise Air Term. Gowen Fld

Jan 5

BOI7:40 pmBoise Air Term. Gowen Fld

8h 20m

2 stops

BNA5:00 amNashville Intl

$431

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CincinnatiSpokane

CVG - GEG

CVGGEG

Cincinnati Cinci./N. Kentucky

Sat 12/13

6:40 am-2:55 pm

2 stops11h 15m

Spokane

Wed 12/17

6:05 am-6:43 pm

1 stop9h 38m

$261

CincinnatiSpokane

CVG - GEG

CVGGEG

Cincinnati Cinci./N. Kentucky

Thu 12/11

6:30 am-8:33 am

1 stop29h 03m

Spokane

Sun 12/14

1:10 pm-6:43 pm

1 stop26h 33m

$265

CincinnatiSpokane

CVG - GEG

CVGGEG

Cincinnati Cinci./N. Kentucky

Sun 11/23

7:30 am-3:40 pm

1 stop11h 10m

Spokane

Sat 11/29

12:06 pm-12:39 am

1 stop9h 33m

$273

NashvilleSpokane

BNA - GEG

BNAGEG

Nashville Intl

Wed 11/26

5:27 pm-10:58 pm

1 stop7h 31m

Spokane

Tue 12/2

6:31 am-7:26 pm

2 stops10h 55m

$333

CincinnatiJackson

CVG - JAC

CVGJAC

Cincinnati Cinci./N. Kentucky

Sat 4/11

11:26 am-9:02 pm

2 stops11h 36m

Jackson Hole

Sat 4/18

2:30 pm-10:21 pm

1 stop5h 51m

$334

KnoxvilleJackson

TYS - JAC

TYSJAC

Knoxville McGhee Tyson

Sun 1/11

6:45 am-3:18 pm

2 stops10h 33m

Jackson Hole

Sat 1/17

12:30 pm-9:02 pm

1 stop6h 32m

$341

CincinnatiJackson

CVG - JAC

CVGJAC

Cincinnati Cinci./N. Kentucky

Sun 1/4

6:42 am-12:13 pm

1 stop7h 31m

Jackson Hole

Fri 1/9

2:10 pm-10:59 pm

1 stop6h 49m

$353

CincinnatiSpokane

CVG - GEG

CVGGEG

Cincinnati Cinci./N. Kentucky

Mon 12/29

8:20 pm-11:07 am

2 stops17h 47m

Spokane

Sat 1/3

12:02 pm-1:13 pm

1 stop22h 11m

$361

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Thu 2/12

6:05 am-2:15 pm

2 stops9h 10m

Boise Air Term. Gowen Fld

Mon 2/16

5:20 pm-12:05 am

1 stop5h 45m

$371

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Thu 2/12

1:55 pm-10:15 pm

2 stops9h 20m

Boise Air Term. Gowen Fld

Mon 2/16

1:45 pm-1:00 am

2 stops10h 15m

$396

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, September 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 $311. If you don’t want to visit Idaho in September, then you should wait until August to fly from Kentucky, when ticket prices are also cheap, with an average price of $332.

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 44% 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

Direct flights	None

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

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 November 2025, there are 6 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 7.9 8,001 reviews	Search Delta flights
American Airlines	PriceFrom $287	Free Cancellation	Rating 7.2 11,040 reviews	Search American Airlines flights
United Airlines	PriceFrom $343	Free Cancellation	Rating 7.4 9,007 reviews	Search United Airlines flights
Southwest	PriceFrom $351	Free Cancellation	Rating 8.0 4,241 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.