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Kentucky

$96+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SDF
Apr 6 — Apr 131
So 4/6
So 4/13
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 April 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$239
(United Airlines)

One-way from

$96
(Mytrip)

Popular in

March

Cheapest in

August

Average price

$631
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. 20% potential increase in price ($131 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 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 April 1, 2025.

This Delta deal was found by Cheapflights users on 3/31. 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.
Di 4/223:30 pmBOI - TYS
1 stop5h 29mDelta
Di 4/296:30 amTYS - BOI
2 stops12h 33mDelta
Deal found 3/31$234
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Sa 5/36:00 amGEG - TYS
2 stops13h 24mUnited Airlines
Sa 5/101:57 pmTYS - GEG
2 stops12h 41mUnited Airlines
Deal found 3/30$239
This American Airlines deal was found by Cheapflights users on 3/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Di 8/1912:22 pmGEG - TYS
1 stop9h 00mAmerican Airlines
So 8/245:18 amTYS - GEG
2 stops10h 17mAmerican Airlines
Deal found 3/30$264
This Delta deal was found by Cheapflights users on 3/30. 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.
Do 8/2110:59 pmGEG - TYS
1 stop7h 14mDelta
So 8/314:00 pmTYS - GEG
2 stops11h 19mDelta
Deal found 3/30$274
This Alaska Airlines deal was found by Cheapflights users on 3/31. 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.
Di 4/227:45 amBOI - BNA
1 stop15h 27mAlaska Airlines
Di 5/67:10 amBNA - BOI
1 stop7h 37mAlaska Airlines
Deal found 3/31$277
This Alaska Airlines deal was found by Cheapflights users on 3/30. 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.
Sa 9/66:00 amGEG - CVG
1 stop8h 41mAlaska Airlines
Mi 9/106:41 pmCVG - GEG
1 stop8h 18mAlaska Airlines
Deal found 3/30$296
This Hawaiian Airlines deal was found by Cheapflights users on 3/31. 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.
Sa 9/207:43 pmGEG - BNA
1 stop7h 57mHawaiian Airlines
Sa 9/277:00 amBNA - GEG
1 stop9h 49mHawaiian Airlines
Deal found 3/31$296
This Delta deal was found by Cheapflights users on 3/31. 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.
Mi 6/1811:42 amGEG - CVG
1 stop8h 18mDelta
Di 6/247:28 pmCVG - GEG
1 stop6h 44mDelta
Deal found 3/31$297
This Delta deal was found by Cheapflights users on 3/31. 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.
Mi 4/162:15 pmBOI - LEX
1 stop7h 39mDelta
Sa 4/196:00 amLEX - BOI
2 stops10h 35mDelta
Deal found 3/31$299
This American Airlines deal was found by Cheapflights users on 3/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 4/237:43 amIDA - TYS
2 stops13h 46mAmerican Airlines
Mi 4/3011:03 amTYS - IDA
2 stops13h 07mAmerican Airlines
Deal found 3/30$299
This Delta deal was found by Cheapflights users on 3/31. 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.
Sa 9/206:10 amGEG - BNA
1 stop7h 38mDelta
Sa 9/272:27 pmBNA - GEG
2 stops10h 20mDelta
Deal found 3/31$302
This American Airlines deal was found by Cheapflights users on 3/31. 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.
Di 4/221:51 pmBOI - BNA
2 stops9h 00mAmerican Airlines
Di 5/66:10 amBNA - BOI
1 stop7h 35mAmerican Airlines
Deal found 3/31$312

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 April 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

Sa 5/3

2:41 pm-12:12 am

1 stop8h 31m

Nashville Intl

Mi 5/7

7:10 am-1:47 pm

1 stop7h 37m

$193

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Di 4/22

3:30 pm-10:59 pm

1 stop5h 29m

Knoxville McGhee Tyson

Di 4/29

6:30 am-5:03 pm

2 stops12h 33m

$234

SpokaneKnoxville

GEG - TYS

GEGTYS

Spokane

Sa 5/3

6:00 am-10:24 pm

2 stops13h 24m

Knoxville McGhee Tyson

Sa 5/10

1:57 pm-11:38 pm

2 stops12h 41m

$239

SpokaneKnoxville

GEG - TYS

GEGTYS

Spokane

Di 8/19

12:22 pm-12:22 am

1 stop9h 00m

Knoxville McGhee Tyson

So 8/24

5:18 am-12:35 pm

2 stops10h 17m

$264

SpokaneKnoxville

GEG - TYS

GEGTYS

Spokane

Do 8/21

10:59 pm-9:13 am

1 stop7h 14m

Knoxville McGhee Tyson

So 8/31

4:00 pm-12:19 am

2 stops11h 19m

$274

Idaho FallsKnoxville

IDA - TYS

IDATYS

Idaho Falls Fanning Field

Fr 5/2

12:59 pm-11:55 pm

1 stop8h 56m

Knoxville McGhee Tyson

Mi 5/7

7:00 am-12:27 pm

1 stop7h 27m

$289

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Sa 9/20

7:43 pm-5:40 am

1 stop7h 57m

Nashville Intl

Sa 9/27

7:00 am-2:49 pm

1 stop9h 49m

$296

SpokaneCincinnati

GEG - CVG

GEGCVG

Spokane

Sa 9/6

6:00 am-5:41 pm

1 stop8h 41m

Cincinnati Cinci./N. Kentucky

Di 9/9

6:41 pm-10:58 pm

1 stop7h 17m

$296

SpokaneCincinnati

GEG - CVG

GEGCVG

Spokane

Mi 6/18

11:42 am-11:00 pm

1 stop8h 18m

Cincinnati Cinci./N. Kentucky

Di 6/24

7:28 pm-11:12 pm

1 stop6h 44m

$297

BoiseLexington

BOI - LEX

BOILEX

Boise Air Term. Gowen Fld

Mi 4/16

2:15 pm-11:54 pm

1 stop7h 39m

Lexington Blue Grass

Sa 4/19

6:00 am-2:35 pm

2 stops10h 35m

$299

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

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 April 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 April 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
9,818 reviews

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,276 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,342 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,614 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 $141 on Alaska Airlines. Other airlines that offer cheap prices include Spirit Airlines from $144 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

Browse thousands of different options on Cheapflights for your next trip

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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 April 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$245Average$368FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$258Average$472FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$342Average$436FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$368Average$657FlexibilityNo cancel feeOn-time69%
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