What airlines fly to Kentucky?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Kentucky from Idaho according to our data. United Airlines is the first choice among our users, with 37% 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.

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

American Airlines, Spirit Airlines, and Delta are the most popular carriers operating from Idaho to Kentucky

How long is the flight from Idaho to Kentucky?

On average, it takes 5h 47m to fly from Idaho to Kentucky if you fly out of Hailey (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 55m.

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 5 as of August 2025.

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.

$114 Cheap Flights from Idaho to Kentucky in 2025

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Find the cheapest flights from Idaho to Kentucky

Round-trip

One-way

Last minute

Cheap round-trip flights

1:39 pm - 10:39 pmBOI-BNA

8h 00m1 stop

6:39 pm - 11:54 pmBNA-BOI

6h 15m1 stop

$183Delta

Find Deal

Tue, Oct 7 - Thu, Oct 16

1:30 pm - 9:38 pmGEG-BNA

6h 08m1 stop

5:34 am - 12:44 pmBNA-GEG

9h 10m1 stop

$183American Airlines

Find Deal

Tue, Sep 23 - Mon, Sep 29

1:12 pm - 11:59 pmGEG-CVG

7h 47m1 stop

6:22 am - 11:43 amCVG-GEG

8h 21m1 stop

$187American Airlines

Find Deal

Tue, Oct 7 - Tue, Oct 14

11:12 am - 10:39 pmBOI-BNA

10h 27m2 stops

7:13 pm - 11:59 pmBNA-BOI

5h 46m1 stop

$188Delta

Find Deal

Tue, Oct 7 - Wed, Oct 15

5:45 pm - 5:40 amBOI-BNA

10h 55m1 stop

6:47 pm - 9:28 amBNA-BOI

15h 41m1 stop

$204Alaska Airlines

Find Deal

Fri, Sep 19 - Mon, Sep 22

6:55 pm - 6:26 amBOI-BNA

10h 31m1 stop

5:24 pm - 11:05 pmBNA-BOI

6h 41m1 stop

$227United Airlines

Find Deal

Mon, Dec 22 - Fri, Jan 23

3:15 pm - 1:15 amBOI-BNA

9h 00m1 stop

5:05 am - 10:55 amBNA-BOI

6h 50m1 stop

$230Southwest

Find Deal

Tue, Oct 21 - Mon, Oct 27

12:50 pm - 11:25 pmGEG-BNA

8h 35m1 stop

4:00 pm - 9:20 pmBNA-GEG

7h 20m1 stop

$230Southwest

Find Deal

Tue, Oct 21 - Sat, Oct 25

1:35 pm - 12:11 amBOI-BNA

9h 36m1 stop

5:51 pm - 11:59 pmBNA-BOI

7h 08m1 stop

$250Alaska Airlines

Find Deal

Mon, Oct 20 - Mon, Oct 27

5:15 am - 3:15 pmGEG-TYS

7h 00m1 stop

7:00 am - 11:27 amTYS-GEG

7h 27m1 stop

$339United Airlines

Find Deal

Tue, Aug 19 - Sat, Aug 23

Delta flights from Idaho to Kentucky

Our best Delta deals on Idaho to Kentucky flight tickets

Delta

Oct 7

BOI1:39 pmBoise Air Term. Gowen Fld

8h 00m

1 stop

BNA10:39 pmNashville Intl

Oct 16

BNA6:39 pmNashville Intl

6h 15m

1 stop

BOI11:54 pmBoise Air Term. Gowen Fld

$183

Find similar

Delta

Oct 7

BOI11:12 amBoise Air Term. Gowen Fld

10h 27m

2 stops

BNA10:39 pmNashville Intl

Oct 15

BNA7:13 pmNashville Intl

5h 46m

1 stop

BOI11:59 pmBoise Air Term. Gowen Fld

$188

Find similar

Delta

Oct 7

GEG7:15 amSpokane

7h 45m

2 stops

CVG6:00 pmCincinnati Cinci./N. Kentucky

Oct 14

CVG7:59 pmCincinnati Cinci./N. Kentucky

6h 44m

1 stop

GEG11:43 pmSpokane

$192

Find similar

American Airlines flights from Idaho to Kentucky

Our best American Airlines deals on Idaho to Kentucky flight tickets

American Airlines

Sep 23

GEG1:30 pmSpokane

6h 08m

1 stop

BNA9:38 pmNashville Intl

Sep 29

BNA5:34 amNashville Intl

9h 10m

1 stop

GEG12:44 pmSpokane

$183

Find similar

American Airlines

Oct 7

GEG1:12 pmSpokane

7h 47m

1 stop

CVG11:59 pmCincinnati Cinci./N. Kentucky

Oct 14

CVG6:22 amCincinnati Cinci./N. Kentucky

8h 21m

1 stop

GEG11:43 amSpokane

$187

Find similar

American Airlines

Oct 8

BOI1:26 pmBoise Air Term. Gowen Fld

9h 26m

1 stop

BNA11:52 pmNashville Intl

Oct 15

BNA7:20 amNashville Intl

6h 26m

1 stop

BOI12:46 pmBoise Air Term. Gowen Fld

$209

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Tue 10/7

1:39 pm-10:39 pm

1 stop8h 00m

Nashville Intl

Thu 10/16

6:39 pm-11:54 pm

1 stop6h 15m

$183

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Tue 9/23

1:30 pm-9:38 pm

1 stop6h 08m

Nashville Intl

Mon 9/29

5:34 am-12:44 pm

1 stop9h 10m

$183

SpokaneCincinnati

GEG - CVG

GEGCVG

Spokane

Tue 10/7

1:12 pm-11:59 pm

1 stop7h 47m

Cincinnati Cinci./N. Kentucky

Tue 10/14

6:22 am-11:43 am

1 stop8h 21m

$187

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Tue 10/7

11:12 am-10:39 pm

2 stops10h 27m

Nashville Intl

Wed 10/15

7:13 pm-11:59 pm

1 stop5h 46m

$188

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Fri 9/19

5:45 pm-5:40 am

1 stop10h 55m

Nashville Intl

Mon 9/22

6:47 pm-9:28 am

1 stop15h 41m

$204

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Mon 12/22

6:55 pm-6:26 am

1 stop10h 31m

Nashville Intl

Fri 1/23

5:24 pm-11:05 pm

1 stop6h 41m

$227

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Tue 10/21

3:15 pm-1:15 am

1 stop9h 00m

Nashville Intl

Mon 10/27

5:05 am-10:55 am

1 stop6h 50m

$230

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Tue 10/21

12:50 pm-11:25 pm

1 stop8h 35m

Nashville Intl

Sat 10/25

4:00 pm-9:20 pm

1 stop7h 20m

$230

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Mon 10/20

1:35 pm-12:11 am

1 stop9h 36m

Nashville Intl

Mon 10/27

5:51 pm-11:59 pm

1 stop7h 08m

$250

SpokaneKnoxville

GEG - TYS

GEGTYS

Spokane

Tue 8/19

5:15 am-3:15 pm

1 stop7h 00m

Knoxville McGhee Tyson

Sat 8/23

7:00 am-11:27 am

1 stop7h 27m

$339

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 October is your next best option. Flight prices from Idaho to Kentucky during October average around $399.

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

Our data shows that Wednesday is the least expensive day to fly to Kentucky. Tickets to fly out on this day can be as low as $427. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $613. These prices are subject to change though, so be sure to set up a Price Alert for flights to Kentucky.

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

According to our data, the cheapest time of day to fly to Kentucky is in the evening. momondo users have found flights departing from Idaho to Kentucky in the evening for as low as $386. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Kentucky is in the morning when prices are around $521.

Can stopping save me money on Idaho to Kentucky flights?

You could potentially save up to 2% 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

Best Price Found	$114
Fastest flight time	5h 25m
Direct flights	None
Airports in Kentucky	5 airports

The best one-way flight to Kentucky from Idaho in the past 72 hours is $114. The best round-trip flight deal from Idaho to Kentucky found on momondo in the last 72 hours is $183.

The fastest flight from Idaho to Kentucky takes 5h 25m

There are no direct flights from Idaho to Kentucky. Popular non-direct routes for this connection are Boise Air Term. Gowen Fld Airport - Cincinnati Cinci./N. Kentucky Airport, Spokane Airport - Nashville Intl Airport and Boise Air Term. Gowen Fld Airport - Nashville Intl Airport.

There are 5 airports near Kentucky: Nashville Intl (BNA), Louisville Intl (SDF), Cincinnati Cinci./N. Kentucky (CVG), Lexington Blue Grass (LEX), Knoxville McGhee Tyson (TYS)

Search flight deals

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 5 as of August 2025.
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
Delta	PriceFrom $234	Free Cancellation	Rating 8.0 7,987 reviews	Search Delta flights
Southwest	PriceFrom $348	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights
American Airlines	PriceFrom $348	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $376	Free Cancellation	Rating 7.4 8,912 reviews	Search United Airlines 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.