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Kentucky

$88+ 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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SDF
Nov 21 — Nov 281
Fri 11/21
Fri 11/28
1 adult, Economy
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Find 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 October 22, 2025.

This Delta deal was found by Cheapflights users on 10/20. 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 12/106:05 amGEG - CVG
1 stop9h 38mDelta
Sat 12/136:55 amCVG - GEG
1 stop6h 44mDelta
Deal found 10/20$227
This American Airlines deal was found by Cheapflights users on 10/22. 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.
Fri 12/51:04 pmJAC - BNA
1 stop7h 31mAmerican Airlines
Sun 12/76:46 amBNA - JAC
1 stop6h 42mAmerican Airlines
Deal found 10/22$228
This Priceline deal was found by Cheapflights users on 10/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/612:03 pmGEG - CVG
1 stop10h 36mFrontier
Sun 11/96:05 amCVG - GEG
1 stop8h 03mFrontier
Deal found 10/21$228
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 12/712:08 pmGEG - CVG
2 stops28h 37mFrontier
Thu 12/116:10 amCVG - GEG
1 stop8h 03mFrontier
Deal found 10/21$232
This Southwest deal was found by Cheapflights users on 10/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:05 amGEG - CVG
1 stop5h 50mSouthwest
Wed 12/106:55 pmCVG - GEG
1 stop6h 30mSouthwest
Deal found 10/20$240
This Trip.com deal was found by Cheapflights users on 10/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/212:03 pmGEG - BNA
1 stop24h 44mFrontier
Sat 11/83:42 pmBNA - GEG
1 stop21h 26mFrontier
Deal found 10/21$241
This Delta deal was found by Cheapflights users on 10/21. 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 11/113:33 pmGEG - BNA
1 stop6h 44mDelta
Sat 11/157:00 amBNA - GEG
1 stop7h 30mDelta
Deal found 10/21$247
This KAYAK deal was found by Cheapflights users on 10/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/33:39 pmBOI - BNA
1 stop7h 20mAlaska Airlines
Tue 12/95:45 pmBNA - BOI
1 stop7h 10mAlaska Airlines
Deal found 10/21$251
This Delta deal was found by Cheapflights users on 10/21. 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 11/119:20 amGEG - BNA
2 stops10h 39mDelta
Thu 11/207:00 amBNA - GEG
1 stop7h 30mDelta
Deal found 10/21$252
This Delta deal was found by Cheapflights users on 10/21. 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 12/38:45 amBOI - BNA
2 stops12h 14mDelta
Tue 12/97:00 amBNA - BOI
1 stop10h 02mDelta
Deal found 10/21$260
This Orbitz deal was found by Cheapflights users on 10/21. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/75:51 amGEG - CVG
1 stop8h 32mMultiple Airlines
Thu 12/116:10 amCVG - GEG
1 stop8h 03mMultiple Airlines
Deal found 10/21$265
This Delta deal was found by Cheapflights users on 10/22. 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 11/121:50 pmBOI - BNA
1 stop9h 27mDelta
Sat 11/157:00 amBNA - BOI
1 stop10h 05mDelta
Deal found 10/22$271

Cheap flight deals from Idaho to Kentucky

Keep the following information in mind while searching for Idaho to Kentucky flight deals. Data was last updated October 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$210
(Southwest)

One-way from

$88
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$542
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. 4% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 October 22, 2025.
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

SpokaneCincinnati

GEG - CVG

GEGCVG

Spokane

Wed 12/10

6:05 am-6:43 pm

1 stop9h 38m

Cincinnati Cinci./N. Kentucky

Sat 12/13

6:55 am-10:39 am

1 stop6h 44m

$227

SpokaneCincinnati

GEG - CVG

GEGCVG

Spokane

Fri 12/12

7:10 am-6:43 pm

1 stop8h 33m

Cincinnati Cinci./N. Kentucky

Wed 12/17

6:30 am-12:29 pm

1 stop8h 59m

$227

JacksonNashville

JAC - BNA

JACBNA

Jackson Hole

Fri 12/5

1:04 pm-9:35 pm

1 stop7h 31m

Nashville Intl

Sun 12/7

6:46 am-12:28 pm

1 stop6h 42m

$228

SpokaneCincinnati

GEG - CVG

GEGCVG

Spokane

Thu 11/6

12:03 pm-1:39 am

1 stop10h 36m

Cincinnati Cinci./N. Kentucky

Sun 11/9

6:05 am-11:08 am

1 stop8h 03m

$228

SpokaneCincinnati

GEG - CVG

GEGCVG

Spokane

Sun 12/7

12:08 pm-7:45 pm

2 stops28h 37m

Cincinnati Cinci./N. Kentucky

Thu 12/11

6:10 am-11:13 am

1 stop8h 03m

$232

SpokaneCincinnati

GEG - CVG

GEGCVG

Spokane

Mon 12/8

6:05 am-2:55 pm

1 stop5h 50m

Cincinnati Cinci./N. Kentucky

Wed 12/10

6:55 pm-10:25 pm

1 stop6h 30m

$240

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Sun 11/2

12:03 pm-2:47 pm

1 stop24h 44m

Nashville Intl

Sat 11/8

3:42 pm-11:08 am

1 stop21h 26m

$241

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Wed 12/3

3:35 pm-12:17 am

1 stop6h 42m

Nashville Intl

Sat 12/6

7:00 am-2:55 pm

1 stop9h 55m

$247

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Thu 12/4

3:35 pm-12:17 am

1 stop6h 42m

Nashville Intl

Wed 12/10

7:00 am-12:29 pm

1 stop7h 29m

$247

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Fri 11/14

3:33 pm-12:17 am

1 stop6h 44m

Nashville Intl

Sun 11/16

7:00 am-12:30 pm

1 stop7h 30m

$247

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

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 $397). 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.

What is the cheapest time of day to fly from ID to KY?

Find hourly flight availability from Idaho to Kentucky. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 22, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 44% on flights from Idaho to Kentucky by exploring options for tickets in the evening.

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 October 22, 2025.
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
4,237 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,237 reviews
Southwest
8.0
Very good
4,237 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
7,981 reviews
Southwest
8.0
Very good
4,237 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,990 reviews
Southwest
8.0
Very good
4,237 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,028 reviews
Southwest
8.0
Very good
4,237 reviews

Comfort

8.0

Crew

8.6

Overall

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 31m. There are 1369 mi between Idaho and Kentucky. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Idaho to Kentucky one-way?

    One-way options have recently been found by users for as low as $88 on Frontier. Other airlines that offer cheap prices include Delta from $126 and Southwest from $128 one-way.

  • 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 $397). 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 October 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$234Average$418FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$268Average$450FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$363Average$467FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$384Average$605FlexibilityNo cancel feeOn-time69%

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