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Kentucky

$132+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SDF
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$241
(Mytrip)

One-way from

$132
(Alaska Airlines)

Popular in

March

Cheapest in

August

Average price

$467
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 May 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 May 1, 2025.

This Mytrip deal was found by Cheapflights users on 4/30. 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.
Mon 6/912:16 pmBOI - BNA
1 stop16h 39mSpirit Airlines
Thu 6/127:18 pmBNA - BOI
1 stop14h 30mSpirit Airlines
Deal found 4/30$241
This Delta deal was found by Cheapflights users on 4/30. 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 8/2110:59 pmGEG - TYS
1 stop7h 14mDelta
Sun 8/316:45 amTYS - GEG
1 stop9h 32mDelta
Deal found 4/30$259
This Frontier deal was found by Cheapflights users on 4/29. 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.
Sun 5/2511:49 amGEG - CVG
1 stop10h 06mFrontier
Tue 5/277:15 amCVG - GEG
1 stop6h 49mFrontier
Deal found 4/29$260
This Delta deal was found by Cheapflights users on 4/29. 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.
Fri 8/1511:30 pmBOI - TYS
1 stop9h 10mDelta
Mon 8/186:05 pmTYS - BOI
1 stop7h 24mDelta
Deal found 4/29$289
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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.
Fri 8/86:07 pmGEG - BNA
1 stop9h 33mAlaska Airlines
Mon 8/115:44 pmBNA - GEG
1 stop8h 15mAlaska Airlines
Deal found 4/30$292
This American Airlines deal was found by Cheapflights users on 5/1. 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 8/1912:35 pmGEG - TYS
1 stop8h 44mAmerican Airlines
Sun 8/245:06 amTYS - GEG
2 stops10h 16mAmerican Airlines
Deal found 5/1$294
This Mytrip deal was found by Cheapflights users on 4/30. 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.
Thu 5/296:50 pmBOI - BNA
2 stops34h 05mMultiple Airlines
Sun 6/15:25 amBNA - BOI
2 stops30h 56mMultiple Airlines
Deal found 4/30$297
This Delta deal was found by Cheapflights users on 4/30. 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 6/181:00 pmGEG - CVG
1 stop7h 05mDelta
Tue 6/247:26 pmCVG - GEG
1 stop6h 45mDelta
Deal found 4/30$297
This Delta deal was found by Cheapflights users on 4/30. 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.
Sat 9/206:10 amGEG - BNA
1 stop7h 38mDelta
Sat 9/273:00 pmBNA - GEG
1 stop8h 24mDelta
Deal found 4/30$297
This Hawaiian Airlines deal was found by Cheapflights users on 5/1. 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.
Wed 10/291:40 pmGEG - BNA
1 stop8h 14mHawaiian Airlines
Tue 11/45:15 pmBNA - GEG
1 stop8h 44mHawaiian Airlines
Deal found 5/1$306
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Wed 5/282:31 pmBOI - BNA
1 stop7h 24mUnited Airlines
Wed 6/46:40 amBNA - BOI
1 stop8h 10mUnited Airlines
Deal found 4/30$307
This American Airlines deal was found by Cheapflights users on 5/1. 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 6/31:38 pmBOI - SDF
1 stop8h 47mAmerican Airlines
Tue 6/177:00 amSDF - BOI
1 stop7h 44mAmerican Airlines
Deal found 5/1$307

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 May 1, 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

Mon 6/9

12:16 pm-5:55 am

1 stop16h 39m

Nashville Intl

Thu 6/12

7:18 pm-8:48 am

1 stop14h 30m

$241

SpokaneKnoxville

GEG - TYS

GEGTYS

Spokane

Thu 8/21

10:59 pm-9:13 am

1 stop7h 14m

Knoxville McGhee Tyson

Sun 8/31

6:45 am-1:17 pm

1 stop9h 32m

$259

SpokaneCincinnati

GEG - CVG

GEGCVG

Spokane

Sun 5/25

11:49 am-12:55 am

1 stop10h 06m

Cincinnati Cinci./N. Kentucky

Tue 5/27

7:15 am-11:04 am

1 stop6h 49m

$260

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Fri 8/15

11:30 pm-10:40 am

1 stop9h 10m

Knoxville McGhee Tyson

Mon 8/18

6:05 pm-11:29 pm

1 stop7h 24m

$289

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Fri 8/8

6:07 pm-5:40 am

1 stop9h 33m

Nashville Intl

Mon 8/11

5:44 pm-11:59 pm

1 stop8h 15m

$292

SpokaneKnoxville

GEG - TYS

GEGTYS

Spokane

Tue 8/19

12:35 pm-12:19 am

1 stop8h 44m

Knoxville McGhee Tyson

Sun 8/24

5:06 am-12:22 pm

2 stops10h 16m

$294

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Thu 5/29

6:50 pm-5:55 am

2 stops34h 05m

Nashville Intl

Sun 6/1

5:25 am-11:21 am

2 stops30h 56m

$297

SpokaneCincinnati

GEG - CVG

GEGCVG

Spokane

Wed 6/18

1:00 pm-11:05 pm

1 stop7h 05m

Cincinnati Cinci./N. Kentucky

Tue 6/24

7:26 pm-11:11 pm

1 stop6h 45m

$297

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Sat 9/20

6:10 am-3:48 pm

1 stop7h 38m

Nashville Intl

Sat 9/27

3:00 pm-9:24 pm

1 stop8h 24m

$297

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Wed 5/28

2:31 pm-10:55 pm

1 stop7h 24m

Nashville Intl

Wed 6/4

6:40 am-1:50 pm

1 stop8h 10m

$307

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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 May 1, 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 May 1, 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
9,972 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.1

Entertainment

7.1

Boarding

8.1

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
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.1

Entertainment

7.1

Boarding

8.1

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
4,293 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.1

Entertainment

7.1

Boarding

8.1

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
7,934 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.1

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,409 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.1

Entertainment

7.1

Boarding

8.1

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Overall

8.0

Crew

8.5

Comfort

7.9

Food

7.1

Entertainment

7.1

Boarding

8.1

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 $132 on Alaska Airlines. Other airlines that offer cheap prices include Frontier from $134 and Hawaiian Airlines from $148 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$245Average$362FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$258Average$459FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$348Average$467FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$368Average$640FlexibilityNo cancel feeOn-time69%

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