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Kentucky

$99+ 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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SDF
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
1 adult, Economy
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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 June 18, 2025.

Round-trip from

$196
(Priceline)

One-way from

$99
(Alaska Airlines)

Popular in

March

Cheapest in

August

Average price

$545
From Idaho to Kentucky
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One-way flight from Idaho to Kentucky
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Highest demand for flights based on searches. 17% potential increase in price ($104 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 18, 2025.

This Priceline deal was found by Cheapflights users on 6/16. 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.
Sun 6/2912:36 pmBOI - BNA
1 stop10h 23mFrontier
Sun 7/66:20 amBNA - BOI
1 stop6h 26mFrontier
Deal found 6/16$196
This Hawaiian Airlines deal was found by Cheapflights users on 6/16. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/87:44 pmGEG - BNA
1 stop7h 56mHawaiian Airlines
Mon 8/115:44 pmBNA - GEG
1 stop8h 15mHawaiian Airlines
Deal found 6/16$198
This American Airlines deal was found by Cheapflights users on 6/18. 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.
Thu 9/412:36 pmGEG - BNA
1 stop8h 10mAmerican Airlines
Sun 9/75:34 amBNA - GEG
1 stop9h 10mAmerican Airlines
Deal found 6/18$199
This Priceline deal was found by Cheapflights users on 6/16. 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.
Tue 6/2411:48 amGEG - BNA
1 stop10h 11mFrontier
Tue 7/157:00 amBNA - GEG
1 stop6h 06mFrontier
Deal found 6/16$200
This Delta deal was found by Cheapflights users on 6/18. 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.
Thu 9/1810:59 pmGEG - BNA
1 stop8h 51mDelta
Tue 9/237:05 amBNA - GEG
2 stops11h 52mDelta
Deal found 6/18$204
This American Airlines deal was found by Cheapflights users on 6/18. 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.
Wed 8/2712:28 pmGEG - CVG
1 stop7h 34mAmerican Airlines
Sun 8/316:00 amCVG - GEG
1 stop9h 22mAmerican Airlines
Deal found 6/18$239
This Alaska Airlines deal was found by Cheapflights users on 6/18. 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.
Thu 7/177:44 pmGEG - BNA
1 stop7h 56mAlaska Airlines
Mon 8/115:44 pmBNA - GEG
1 stop8h 15mAlaska Airlines
Deal found 6/18$239
This FlightHub deal was found by Cheapflights users on 6/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/119:49 pmBOI - BNA
1 stop16h 04mSpirit Airlines
Sun 9/149:15 amBNA - BOI
1 stop12h 29mSpirit Airlines
Deal found 6/17$248
This Hawaiian Airlines deal was found by Cheapflights users on 6/17. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/18:46 pmBOI - CVG
1 stop8h 21mHawaiian Airlines
Sat 7/58:40 amCVG - BOI
1 stop7h 15mHawaiian Airlines
Deal found 6/17$252
This United Airlines deal was found by Cheapflights users on 6/16. 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.
Mon 6/305:15 amGEG - BNA
1 stop6h 21mUnited Airlines
Mon 7/215:25 pmBNA - GEG
1 stop7h 43mUnited Airlines
Deal found 6/16$252
This Delta deal was found by Cheapflights users on 6/16. 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 8/277:35 amGEG - CVG
1 stop7h 57mDelta
Sun 8/316:45 amCVG - GEG
2 stops8h 13mDelta
Deal found 6/16$255
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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.
Wed 10/228:53 pmGEG - CVG
1 stop17h 56mAlaska Airlines
Sat 10/256:49 pmCVG - GEG
1 stop8h 10mAlaska Airlines
Deal found 6/16$260

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 June 18, 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

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Sun 6/29

12:36 pm-11:59 pm

1 stop10h 23m

Nashville Intl

Sun 7/6

6:20 am-11:46 am

1 stop6h 26m

$196

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Fri 8/8

7:44 pm-5:40 am

1 stop7h 56m

Nashville Intl

Mon 8/11

5:44 pm-11:59 pm

1 stop8h 15m

$198

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Thu 9/4

12:36 pm-10:46 pm

1 stop8h 10m

Nashville Intl

Sun 9/7

5:34 am-12:44 pm

1 stop9h 10m

$199

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Thu 9/18

10:59 pm-9:50 am

1 stop8h 51m

Nashville Intl

Tue 9/23

7:05 am-4:57 pm

2 stops11h 52m

$204

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Thu 7/3

11:58 am-6:38 pm

1 stop28h 40m

Nashville Intl

Mon 7/7

7:27 pm-11:06 am

1 stop17h 39m

$210

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Thu 7/17

7:44 pm-5:40 am

1 stop7h 56m

Nashville Intl

Wed 8/13

5:44 pm-10:56 pm

1 stop7h 12m

$239

SpokaneCincinnati

GEG - CVG

GEGCVG

Spokane

Wed 8/27

12:28 pm-11:02 pm

1 stop7h 34m

Cincinnati Cinci./N. Kentucky

Sun 8/31

6:00 am-12:22 pm

1 stop9h 22m

$239

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Thu 9/11

9:49 pm-2:53 pm

1 stop16h 04m

Nashville Intl

Sun 9/14

9:15 am-8:44 pm

1 stop12h 29m

$248

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Mon 6/30

5:15 am-1:36 pm

1 stop6h 21m

Nashville Intl

Mon 7/21

5:25 pm-11:08 pm

1 stop7h 43m

$252

BoiseCincinnati

BOI - CVG

BOICVG

Boise Air Term. Gowen Fld

Tue 7/1

8:46 pm-7:07 am

1 stop8h 21m

Cincinnati Cinci./N. Kentucky

Sat 7/5

8:40 am-3:04 pm

1 stop8h 24m

$252

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

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, January is the cheapest month in which you can book a flight from Idaho to Kentucky (average of $299). Flying from Idaho to Kentucky in April is currently the most expensive (average of $369). 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 June 18, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to Kentucky as you normally would.

Rainfall in Kentucky by month

Plan your trip to Kentucky by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Kentucky ranges from 3.1 - 5.3 inches per month. May is typically the wettest month, when rainfall can reach 5.3 in. September is typically the driest time to visit Kentucky when rainfall is around 3.1 in.

Temperature in Kentucky by month

Plan your trip to Kentucky by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Kentucky, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 June 18, 2025.
Read through reviews of airlines operating flights from Idaho to Kentucky, such as Alaska Airlines, Southwest and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,280 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,964 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,507 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,810 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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 $99 on Alaska Airlines. Other airlines that offer cheap prices include American Airlines from $100 and Frontier from $106 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, January is the cheapest month in which you can book a flight from Idaho to Kentucky (average of $299). Flying from Idaho to Kentucky in April is currently the most expensive (average of $369). 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 June 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$234Average$349FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$258Average$400FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$348Average$467FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$356Average$644FlexibilityNo cancel feeOn-time69%

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