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Kentucky

$127+ 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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SDF
abr. 22 — abr. 291
mar. 4/22
mar. 4/29
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 abril 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$238
(Frontier)

One-way from

$127
(CheapOair)

Popular in

March

Cheapest in

August

Average price

$580
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Louisville Intl flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Louisville Intl flights.
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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. 19% potential increase in price ($123 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in April 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 abril 17, 2025.

This Frontier deal was found by Cheapflights users on 4/17. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/2212:36 pmBOI - CVG
1 stop10h 19mFrontier
jue. 5/296:05 amCVG - BOI
1 stop7h 46mFrontier
Deal found 4/17$238
This Delta deal was found by Cheapflights users on 4/15. 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.
mar. 5/62:15 pmGEG - TYS
1 stop5h 44mDelta
sáb. 5/105:45 amTYS - GEG
2 stops10h 01mDelta
Deal found 4/15$256
This Delta deal was found by Cheapflights users on 4/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/511:30 pmBOI - TYS
1 stop7h 43mDelta
lun. 8/116:05 pmTYS - BOI
1 stop7h 24mDelta
Deal found 4/17$270
This American Airlines deal was found by Cheapflights users on 4/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/1912:22 pmGEG - TYS
1 stop9h 00mAmerican Airlines
dom. 8/248:06 amTYS - GEG
1 stop7h 29mAmerican Airlines
Deal found 4/16$270
This Alaska Airlines deal was found by Cheapflights users on 4/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/86:07 pmGEG - BNA
1 stop9h 33mAlaska Airlines
lun. 8/117:00 amBNA - GEG
1 stop9h 40mAlaska Airlines
Deal found 4/17$292
This Delta deal was found by Cheapflights users on 4/16. 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.
mié. 6/186:50 amGEG - CVG
1 stop8h 31mDelta
mar. 6/246:15 amCVG - GEG
1 stop10h 37mDelta
Deal found 4/16$297
This American Airlines deal was found by Cheapflights users on 4/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/101:22 pmGEG - BNA
1 stop7h 18mAmerican Airlines
mar. 5/205:00 amBNA - GEG
1 stop9h 25mAmerican Airlines
Deal found 4/17$297
This Delta deal was found by Cheapflights users on 4/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/106:00 amGEG - BNA
2 stops9h 31mDelta
mar. 5/206:36 pmBNA - GEG
1 stop6h 39mDelta
Deal found 4/17$302
This Delta deal was found by Cheapflights users on 4/16. 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.
mié. 5/281:50 pmBOI - BNA
1 stop9h 37mDelta
mar. 6/37:30 amBNA - BOI
1 stop5h 24mDelta
Deal found 4/16$307
This United Airlines deal was found by Cheapflights users on 4/16. 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.
sáb. 5/247:07 pmBOI - BNA
1 stop9h 35mUnited Airlines
jue. 5/295:05 pmBNA - BOI
1 stop6h 52mUnited Airlines
Deal found 4/16$308
This Mytrip deal was found by Cheapflights users on 4/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/59:35 amGEG - BNA
1 stop18h 20mMultiple Airlines
dom. 6/86:59 pmBNA - GEG
2 stops24h 08mMultiple Airlines
Deal found 4/17$313
This Delta deal was found by Cheapflights users on 4/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/17:18 pmBOI - CVG
2 stops11h 31mDelta
dom. 6/87:55 pmCVG - BOI
1 stop6h 19mDelta
Deal found 4/17$318

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 abril 17, 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

BoiseCincinnati

BOI - CVG

BOICVG

Boise Air Term. Gowen Fld

jue. 5/22

12:36 pm-12:55 am

1 stop10h 19m

Cincinnati Cinci./N. Kentucky

jue. 5/29

6:05 am-11:51 am

1 stop7h 46m

$238

SpokaneKnoxville

GEG - TYS

GEGTYS

Spokane

jue. 8/21

10:59 pm-11:07 am

1 stop9h 08m

Knoxville McGhee Tyson

dom. 8/31

6:45 am-1:17 pm

1 stop9h 32m

$259

SpokaneKnoxville

GEG - TYS

GEGTYS

Spokane

mar. 8/19

12:22 pm-12:22 am

1 stop9h 00m

Knoxville McGhee Tyson

dom. 8/24

8:06 am-12:35 pm

1 stop7h 29m

$270

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

vie. 8/8

6:07 pm-5:40 am

1 stop9h 33m

Nashville Intl

lun. 8/11

7:00 am-2:40 pm

1 stop9h 40m

$292

SpokaneCincinnati

GEG - CVG

GEGCVG

Spokane

mié. 6/18

6:50 am-6:21 pm

1 stop8h 31m

Cincinnati Cinci./N. Kentucky

mar. 6/24

6:15 am-1:52 pm

1 stop10h 37m

$297

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

sáb. 5/10

1:22 pm-10:40 pm

1 stop7h 18m

Nashville Intl

mar. 5/20

5:00 am-12:25 pm

1 stop9h 25m

$297

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

jue. 5/1

11:30 pm-9:21 am

1 stop7h 51m

Knoxville McGhee Tyson

sáb. 5/10

5:45 am-1:46 pm

2 stops10h 01m

$300

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

sáb. 5/10

6:00 am-5:31 pm

2 stops9h 31m

Nashville Intl

mar. 5/20

6:36 pm-11:15 pm

1 stop6h 39m

$302

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

mié. 5/28

1:50 pm-12:27 am

1 stop9h 37m

Nashville Intl

mar. 6/3

7:30 am-11:54 am

1 stop5h 24m

$307

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

sáb. 5/24

7:07 pm-5:42 am

1 stop9h 35m

Nashville Intl

jue. 5/29

5:05 pm-10:57 pm

1 stop6h 52m

$308

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

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 abril 17, 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 abril 17, 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
9,882 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,882 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,280 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,917 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Hawaiian Airlines
7.9
Good
2,382 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,667 reviews
Alaska Airlines
8.0
Very good
9,882 reviews

Entertainment

7.1

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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 $127 on Frontier. Other airlines that offer cheap prices include Alaska Airlines from $148 and Delta from $149 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 abril 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$245Average$369FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$258Average$459FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$348Average$467FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$368Average$642FlexibilityNo cancel feeOn-time69%

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