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Kentucky

$111+ Cheap flights from Idaho to Kentucky

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SDF
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Idaho to Kentucky

Cheapest flights from Idaho to Kentucky
Explore the most affordable flight options available from Idaho to Kentucky. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/812:03 pm
GEG
-
BNA
2 stops23h 42m
Multiple Airlines
Wed 2/118:43 pm
BNA
-
GEG
1 stop25h 49m
Multiple Airlines
Deal found 1/27$227
This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/285:00 am
BOI
-
CVG
1 stop7h 15m
United Airlines
Tue 3/39:00 am
CVG
-
BOI
1 stop6h 38m
United Airlines
Deal found 1/28$237
This Alaska Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:28 am
BOI
-
BNA
1 stop7h 25m
Alaska Airlines
Wed 2/257:00 am
BNA
-
BOI
1 stop8h 58m
Alaska Airlines
Deal found 1/28$237
This American Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2412:25 pm
GEG
-
CVG
1 stop8h 00m
American Airlines
Tue 3/312:18 pm
CVG
-
GEG
1 stop7h 36m
American Airlines
Deal found 1/26$237
This Delta deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/48:50 am
BOI
-
BNA
2 stops12h 10m
Delta
Tue 3/104:34 pm
BNA
-
BOI
1 stop6h 51m
Delta
Deal found 1/28$242
This United Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/245:00 am
GEG
-
CVG
1 stop6h 15m
United Airlines
Tue 3/311:20 am
CVG
-
GEG
2 stops12h 57m
United Airlines
Deal found 1/26$242
This Delta deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/247:27 am
GEG
-
CVG
2 stops12h 06m
Delta
Tue 3/312:13 pm
CVG
-
GEG
2 stops10h 44m
Delta
Deal found 1/26$248
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/165:41 pm
BOI
-
BNA
2 stops34h 27m
Multiple Airlines
Thu 2/197:30 pm
BNA
-
BOI
1 stop16h 41m
Multiple Airlines
Deal found 1/27$254
This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/241:44 pm
GEG
-
BNA
1 stop5h 52m
United Airlines
Tue 3/34:00 pm
BNA
-
GEG
1 stop7h 17m
United Airlines
Deal found 1/27$257
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1912:36 pm
BOI
-
BNA
1 stop29h 08m
Multiple Airlines
Wed 2/258:45 pm
BNA
-
BOI
2 stops16h 06m
Multiple Airlines
Deal found 1/27$261
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/173:45 pm
GEG
-
BNA
1 stop6h 21m
Delta
Tue 2/247:05 am
BNA
-
GEG
2 stops13h 40m
Delta
Deal found 1/27$262
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/249:25 am
GEG
-
BNA
2 stops10h 35m
Delta
Tue 3/36:25 am
BNA
-
GEG
2 stops14h 20m
Delta
Deal found 1/27$268

Find flight deals from Idaho to Kentucky

Keep the following information in mind while searching for Idaho to Kentucky flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$227
(Kiwi.com)

One-way from

$111
(Expedia)

Popular in

March

Cheapest in

August

Average price

$448
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Louisville Intl flights.
Search Deals
From Idaho to Kentucky
Search Deals
One-way flight from Idaho to Kentucky
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($25 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to Kentucky that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Idaho to Kentucky that are best for you.

Fly from

Idaho

Fly to

Kentucky

Route

Depart

Return

Price

BoiseCincinnati

BOI - CVG

BOICVG

Boise Air Term. Gowen Fld

Sat 2/28

5:00 am-2:15 pm

1 stop7h 15m

Cincinnati Cinci./N. Kentucky

Tue 3/3

9:00 am-1:38 pm

1 stop6h 38m

$237

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Tue 3/3

1:00 pm-11:59 pm

1 stop9h 59m

Nashville Intl

Tue 3/10

5:53 pm-11:59 pm

1 stop7h 06m

$237

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Tue 2/24

1:51 pm-12:06 am

1 stop9h 15m

Nashville Intl

Sat 2/28

7:35 am-4:15 pm

1 stop9h 40m

$237

SpokaneCincinnati

GEG - CVG

GEGCVG

Spokane

Tue 2/24

12:25 pm-11:25 pm

1 stop8h 00m

Cincinnati Cinci./N. Kentucky

Tue 3/3

12:18 pm-4:54 pm

1 stop7h 36m

$237

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Tue 2/24

6:28 am-2:53 pm

1 stop7h 25m

Nashville Intl

Wed 2/25

7:00 am-2:58 pm

1 stop8h 58m

$237

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Tue 2/24

5:00 am-3:34 pm

2 stops9h 34m

Nashville Intl

Wed 2/25

5:31 pm-11:48 pm

1 stop7h 17m

$242

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Wed 3/4

5:20 am-5:04 pm

2 stops10h 44m

Nashville Intl

Tue 3/10

7:00 am-1:05 pm

1 stop7h 05m

$242

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Tue 3/3

1:51 pm-12:06 am

1 stop9h 15m

Nashville Intl

Tue 3/10

6:00 am-4:00 pm

2 stops11h 00m

$242

SpokaneCincinnati

GEG - CVG

GEGCVG

Spokane

Tue 2/24

5:00 am-2:15 pm

1 stop6h 15m

Cincinnati Cinci./N. Kentucky

Tue 3/3

11:20 am-9:17 pm

2 stops12h 57m

$242

SpokaneCincinnati

GEG - CVG

GEGCVG

Spokane

Wed 2/25

5:00 am-8:05 pm

2 stops12h 05m

Cincinnati Cinci./N. Kentucky

Wed 3/4

8:12 am-12:07 pm

1 stop6h 55m

$242

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 60 results
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Best time to book a flight from Idaho to Kentucky

Have a flexible travel schedule? Discover the best time to fly to Kentucky from Idaho with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Idaho to Kentucky

What is the cheapest month to book a flight from Idaho to Kentucky?

Currently, October is the cheapest month in which you can book a flight from Idaho to Kentucky (average of $219). Flying from Idaho to Kentucky in January is currently the most expensive (average of $379). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Kentucky

Get insights into the airlines that provide service to Kentucky. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kentucky. Reviews last updated January 29, 2026.
Read through reviews of airlines operating flights from Idaho to Kentucky, such as Southwest, Delta, and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,267 reviews

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,267 reviews
Southwest
8.0
Very good
4,267 reviews

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,128 reviews
Southwest
8.0
Very good
4,267 reviews

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,215 reviews
Southwest
8.0
Very good
4,267 reviews

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,205 reviews
Southwest
8.0
Very good
4,267 reviews

Overall

8.0

Entertainment

7.5

Food

7.0

Crew

8.6

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Idaho to Kentucky. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Idaho to Kentucky?

    Departing from Idaho to Kentucky will take you 7h 15m. There are 1656 mi between Idaho and Kentucky. This flight may include one or multiple stops.

  • Can I find deals for flights from Idaho to Kentucky that include hotel bookings?

    Yes. In addition to deals on Idaho to Kentucky flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho to Kentucky?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to Kentucky.

  • Can I find deals for business class flights from Idaho to Kentucky?

    Yes. Cheapflights offers flight deals from Idaho to Kentucky by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Idaho to Kentucky?

    Currently, October is the cheapest month in which you can book a flight from Idaho to Kentucky (average of $219). Flying from Idaho to Kentucky in January is currently the most expensive (average of $379). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Idaho to Kentucky

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Idaho to Kentucky

Discover the top 4 airlines that operate flights from Idaho to Kentucky. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$208Average$403FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$268Average$465FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$268Average$521FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$363Average$467FlexibilityNo cancel feeOn-time63%

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