What airlines fly to Kentucky?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Kentucky from Idaho according to our data. American Airlines is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Kentucky. Keep in mind that there are 4 different airlines that fly to Kentucky on a routine basis, so you have a few additional options to choose from.

How long is the flight from Idaho to Kentucky?

On average, it takes 5h 33m to fly from Idaho to Kentucky if you fly out of Boise (the most popular airport in Idaho) and into Louisville (the most popular airport in Kentucky). If you’re flying out of Idaho Falls and into Louisville, then the flight time is around 5h 51m.

What is the cheapest airline that flies from Idaho to Kentucky?

Frontier, Delta, and Southwest are the most popular carriers operating from Idaho to Kentucky

How many flights depart from Idaho to Kentucky on average per week?

10 flights are operational weekly from Idaho to Kentucky as of June 2026. The most popular departure day for this route is Fri, with 30% of flights per week taking off on this day.

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

Prices for flights from Idaho to Kentucky refresh daily.

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

The number of operators available for flights from Idaho to Kentucky is 6 as of June 2026.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Idaho to Kentucky.

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

The required travel and health documents for your Kentucky 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 Kentucky. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$120 Cheap Flights from Idaho to Kentucky in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Idaho to Kentucky

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:24 pm - 11:32 am

BOI

BNA

21h 08m

1 stop

12:25 pm - 12:29 pm

BNA

BOI

25h 04m

1 stop

$250Frontier

Thu, Jul 23 - Sat, Aug 8

12:24 pm - 12:10 pm

BOI

BNA

22h 46m

1 stop

12:55 pm - 11:29 am

BNA

BOI

23h 34m

1 stop

$255Frontier

Sun, Aug 30 - Wed, Sep 2

10:50 pm - 9:54 am

GEG

BNA

9h 04m

1 stop

7:15 am - 12:14 pm

BNA

GEG

6h 59m

1 stop

$303Delta

Mon, Sep 28 - Fri, Oct 2

12:12 pm - 11:18 pm

BOI

TYS

9h 06m

1 stop

6:03 am - 11:16 am

TYS

BOI

7h 13m

1 stop

$307American Airlines

Wed, Aug 19 - Thu, Aug 27

5:20 am - 2:30 pm

GEG

BNA

7h 10m

1 stop

5:00 am - 2:09 pm

BNA

GEG

11h 09m

2 stops

$308American Airlines

Wed, Aug 19 - Sat, Aug 22

3:10 pm - 10:30 pm

BOI

BNA

6h 20m

1 stop

9:20 am - 7:45 pm

BNA

BOI

11h 25m

2 stops

$308Southwest

Sat, Aug 15 - Wed, Aug 19

1:05 pm - 10:10 pm

IDA

BNA

8h 05m

1 stop

5:10 pm - 10:22 pm

BNA

IDA

6h 12m

1 stop

$311Delta

Wed, Sep 9 - Wed, Sep 16

1:49 pm - 9:33 pm

GEG

BNA

5h 44m

1 stop

2:21 pm - 9:05 pm

BNA

GEG

8h 44m

1 stop

$315United Airlines

Sun, Nov 15 - Sat, Nov 21

2:25 pm - 9:15 pm

IDA

BNA

5h 50m

1 stop

6:30 am - 3:23 pm

BNA

IDA

9h 53m

2 stops

$316United Airlines

Tue, Aug 25 - Sat, Aug 29

7:30 am - 5:55 pm

GEG

SDF

7h 25m

1 stop

11:50 am - 10:55 pm

SDF

GEG

14h 05m

1 stop

$353Southwest

Tue, Aug 11 - Wed, Aug 19

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Delta flights from Idaho to Kentucky

Our best Delta deals on Idaho to Kentucky flight tickets

Delta

Jul 3

GEG10:48 pmSpokane

7h 55m

1 stop

BNA8:43 amNashville Intl

Jul 9

BNA7:34 pmNashville Intl

6h 21m

1 stop

GEG11:55 pmSpokane

$293

Delta

Jul 3

GEG1:30 pmSpokane

6h 27m

1 stop

BNA9:57 pmNashville Intl

Jul 9

BNA6:45 pmNashville Intl

6h 21m

1 stop

GEG11:06 pmSpokane

$303

Delta

Sep 21

BOI11:10 pmBoise Air Term. Gowen Fld

8h 15m

1 stop

BNA8:25 amNashville Intl

Sep 30

BNA3:59 pmNashville Intl

9h 00m

1 stop

BOI11:59 pmBoise Air Term. Gowen Fld

$311

Alaska Airlines flights from Idaho to Kentucky

Our best Alaska Airlines deals on Idaho to Kentucky flight tickets

Alaska Airlines

Sep 29

BOI2:16 pmBoise Air Term. Gowen Fld

8h 43m

1 stop

BNA11:59 pmNashville Intl

Sep 30

BNA7:00 amNashville Intl

9h 30m

1 stop

BOI3:30 pmBoise Air Term. Gowen Fld

$303

Alaska Airlines

Aug 16

BOI8:47 pmBoise Air Term. Gowen Fld

7h 53m

1 stop

BNA5:40 amNashville Intl

Aug 25

BNA7:00 amNashville Intl

9h 31m

1 stop

BOI3:31 pmBoise Air Term. Gowen Fld

$346

Alaska Airlines

Oct 27

IDA1:46 pmIdaho Falls Fanning Field

9h 09m

1 stop

BNA11:55 pmNashville Intl

Oct 31

BNA7:00 amNashville Intl

9h 35m

1 stop

IDA3:35 pmIdaho Falls Fanning Field

$364

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Thu 7/23

1:24 pm-11:32 am

1 stop21h 08m

Nashville Intl

Sat 8/8

12:25 pm-12:29 pm

1 stop25h 04m

$250

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Sun 8/30

12:24 pm-12:10 pm

1 stop22h 46m

Nashville Intl

Wed 9/2

12:55 pm-11:29 am

1 stop23h 34m

$255

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Mon 9/28

10:50 pm-9:54 am

1 stop9h 04m

Nashville Intl

Fri 10/2

7:15 am-12:14 pm

1 stop6h 59m

$303

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Wed 8/19

12:12 pm-11:18 pm

1 stop9h 06m

Knoxville McGhee Tyson

Thu 8/27

6:03 am-11:16 am

1 stop7h 13m

$307

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Wed 8/19

5:20 am-2:30 pm

1 stop7h 10m

Nashville Intl

Sat 8/22

5:00 am-2:09 pm

2 stops11h 09m

$308

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Sat 8/15

3:10 pm-10:30 pm

1 stop6h 20m

Nashville Intl

Wed 8/19

9:20 am-7:45 pm

2 stops11h 25m

$308

Quickest round-trip

Idaho FallsNashville

IDA - BNA

IDABNA

Idaho Falls Fanning Field

Wed 9/9

1:05 pm-10:10 pm

1 stop8h 05m

Nashville Intl

Wed 9/16

5:10 pm-10:22 pm

1 stop6h 12m

$311

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Sun 11/15

1:49 pm-9:33 pm

1 stop5h 44m

Nashville Intl

Sat 11/21

2:21 pm-9:05 pm

1 stop8h 44m

$315

Idaho FallsNashville

IDA - BNA

IDABNA

Idaho Falls Fanning Field

Tue 8/25

2:25 pm-9:15 pm

1 stop5h 50m

Nashville Intl

Sat 8/29

6:30 am-3:23 pm

2 stops9h 53m

$316

SpokaneLouisville

GEG - SDF

GEGSDF

Spokane

Tue 8/11

7:30 am-5:55 pm

1 stop7h 25m

Louisville Intl

Wed 8/19

11:50 am-10:55 pm

1 stop14h 05m

$353

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 Kentucky

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 Kentucky?

If you’re not able to fly to Kentucky in August, then November is your next best option. Flight prices from Idaho to Kentucky during November average around $288.

Can stopping save me money on Idaho to Kentucky flights?

You could potentially save up to 22% on your flight if you consider stops on a Idaho to Kentucky flight.

Cheap Idaho to Kentucky flight deals and tips

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

Fastest flight time	5h 23m
Direct flights	None

The fastest flight from Idaho to Kentucky takes 5h 23m

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

Search flight deals

Frequently asked questions about flying from Idaho to Kentucky

When did momondo last update prices for flights from Idaho to Kentucky?
Prices for flights from Idaho to Kentucky refresh daily.
How many operators does momondo search for flights from Idaho to Kentucky?
The number of operators available for flights from Idaho to Kentucky is 6 as of June 2026.
How old do you have to be to fly from Idaho to Kentucky?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Idaho to Kentucky.
What documentation or ID do you need to fly to Kentucky?
The required travel and health documents for your Kentucky 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 Kentucky. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Idaho to Kentucky

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

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $268	Free Cancellation	Rating 7.1 11,779 reviews	Search American Airlines flights
United Airlines	PriceFrom $268	Free Cancellation	Rating 7.4 9,896 reviews	Search United Airlines flights
Delta	PriceFrom $329	Free Cancellation	Rating 7.8 8,451 reviews	Search Delta flights
Southwest	PriceFrom $372	Free Cancellation	Rating 7.9 4,246 reviews	Search Southwest flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Idaho to Kentucky for you.

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

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

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

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 Kentucky from Idaho.

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

Price alerts on flights to Kentucky from Idaho are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.