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$105+ 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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SDF
Feb 28 — Mar 71
Fri 2/28
Fri 3/7
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 February 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$209
(Delta)

One-way from

$105
(American Airlines)

Popular in

March

Cheapest in

August

Average price

$629
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. 17% potential increase in price ($109 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 23, 2025.

This Delta deal was found by Cheapflights users on 2/23. 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 4/112:05 pmBOI - BNA
1 stop9h 07mDelta
Tue 4/156:23 amBNA - BOI
1 stop7h 57mDelta
Deal found 2/23$209
This American Airlines deal was found by Cheapflights users on 2/22. 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.
Tue 5/61:32 pmBOI - TYS
1 stop6h 04mAmerican Airlines
Tue 5/137:30 amTYS - BOI
1 stop6h 59mAmerican Airlines
Deal found 2/22$229
This Delta deal was found by Cheapflights users on 2/22. 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.
Tue 4/155:05 pmGEG - TYS
2 stops13h 16mDelta
Wed 4/236:30 amTYS - GEG
1 stop9h 35mDelta
Deal found 2/22$234
This Delta deal was found by Cheapflights users on 2/21. 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.
Sun 4/201:25 pmGEG - BNA
1 stop8h 34mDelta
Fri 4/257:25 amBNA - GEG
1 stop9h 28mDelta
Deal found 2/21$243
This American Airlines deal was found by Cheapflights users on 2/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/51:51 pmBOI - BNA
1 stop6h 11mAmerican Airlines
Thu 4/105:01 amBNA - BOI
1 stop8h 32mAmerican Airlines
Deal found 2/21$263
This American Airlines deal was found by Cheapflights users on 2/22. 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.
Tue 5/61:22 pmGEG - BNA
1 stop7h 19mAmerican Airlines
Sat 5/105:00 amBNA - GEG
1 stop9h 25mAmerican Airlines
Deal found 2/22$297
This Delta deal was found by Cheapflights users on 2/22. 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.
Mon 3/243:00 pmBOI - CVG
1 stop5h 36mDelta
Mon 3/317:50 pmCVG - BOI
1 stop6h 09mDelta
Deal found 2/22$299
This Hawaiian Airlines deal was found by Cheapflights users on 2/22. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/171:29 pmGEG - BNA
1 stop8h 30mHawaiian Airlines
Wed 4/237:10 amBNA - GEG
1 stop9h 16mHawaiian Airlines
Deal found 2/22$306
This Delta deal was found by Cheapflights users on 2/22. 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 4/93:00 pmBOI - TYS
1 stop6h 06mDelta
Sun 4/135:45 amTYS - BOI
1 stop8h 59mDelta
Deal found 2/22$314
This Southwest deal was found by Cheapflights users on 2/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/303:20 pmGEG - BNA
1 stop6h 50mSouthwest
Mon 5/55:00 amBNA - GEG
1 stop6h 05mSouthwest
Deal found 2/22$317
This Alaska Airlines deal was found by Cheapflights users on 2/22. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/171:29 pmGEG - BNA
1 stop8h 30mAlaska Airlines
Sat 4/267:10 amBNA - GEG
1 stop7h 21mAlaska Airlines
Deal found 2/22$326
This United Airlines deal was found by Cheapflights users on 2/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/296:30 pmGEG - TYS
2 stops12h 35mUnited Airlines
Wed 4/27:00 amTYS - GEG
2 stops10h 36mUnited Airlines
Deal found 2/22$329

Find flights from Idaho to Kentucky within your budget

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 February 23, 2025.

Fly from

Idaho

Fly to

Kentucky

Route

Depart

Return

Price

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Fri 4/11

2:05 pm-12:12 am

1 stop9h 07m

Nashville Intl

Tue 4/15

6:23 am-1:20 pm

1 stop7h 57m

$209

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Tue 5/6

1:32 pm-9:36 pm

1 stop6h 04m

Knoxville McGhee Tyson

Tue 5/13

7:30 am-12:29 pm

1 stop6h 59m

$229

SpokaneKnoxville

GEG - TYS

GEGTYS

Spokane

Tue 4/15

5:05 pm-9:21 am

2 stops13h 16m

Knoxville McGhee Tyson

Wed 4/23

6:30 am-1:05 pm

1 stop9h 35m

$234

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Sun 4/20

1:25 pm-11:59 pm

1 stop8h 34m

Nashville Intl

Fri 4/25

7:25 am-2:53 pm

1 stop9h 28m

$243

BoiseNashville

BOI - BNA

BOIBNA

Boise Air Term. Gowen Fld

Sat 4/5

1:51 pm-9:02 pm

1 stop6h 11m

Nashville Intl

Thu 4/10

5:01 am-12:33 pm

1 stop8h 32m

$263

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Tue 5/6

1:22 pm-10:41 pm

1 stop7h 19m

Nashville Intl

Sat 5/10

5:00 am-12:25 pm

1 stop9h 25m

$297

BoiseCincinnati

BOI - CVG

BOICVG

Boise Air Term. Gowen Fld

Mon 3/24

3:00 pm-10:36 pm

1 stop5h 36m

Cincinnati Cinci./N. Kentucky

Mon 3/31

7:50 pm-11:59 pm

1 stop6h 09m

$299

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Thu 4/17

1:29 pm-11:59 pm

1 stop8h 30m

Nashville Intl

Wed 4/23

7:10 am-2:26 pm

1 stop9h 16m

$306

BoiseKnoxville

BOI - TYS

BOITYS

Boise Air Term. Gowen Fld

Wed 4/9

3:00 pm-11:06 pm

1 stop6h 06m

Knoxville McGhee Tyson

Sun 4/13

5:45 am-12:44 pm

1 stop8h 59m

$314

SpokaneNashville

GEG - BNA

GEGBNA

Spokane

Wed 4/30

3:20 pm-12:10 am

1 stop6h 50m

Nashville Intl

Mon 5/5

5:00 am-9:05 am

1 stop6h 05m

$317

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

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.

Travel insights for flights from Idaho to Kentucky

Get recent, data-driven insights about flights from Idaho to Kentucky including ideal travel times, pricing trends, and more.

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 February 23, 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 February 23, 2025.
Read through reviews of airlines operating flights from Idaho to Kentucky, such as Southwest, Alaska Airlines and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,387 reviews

Entertainment

7.6

Comfort

8.1

Food

7.1

Boarding

8.2

Crew

8.7

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,387 reviews
Southwest
8.1
Very good
4,387 reviews

Entertainment

7.6

Comfort

8.1

Food

7.1

Boarding

8.2

Crew

8.7

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,707 reviews
Southwest
8.1
Very good
4,387 reviews

Entertainment

7.6

Comfort

8.1

Food

7.1

Boarding

8.2

Crew

8.7

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,191 reviews
Southwest
8.1
Very good
4,387 reviews

Entertainment

7.6

Comfort

8.1

Food

7.1

Boarding

8.2

Crew

8.7

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,315 reviews
Southwest
8.1
Very good
4,387 reviews

Entertainment

7.6

Comfort

8.1

Food

7.1

Boarding

8.2

Crew

8.7

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,746 reviews
Southwest
8.1
Very good
4,387 reviews

Entertainment

7.6

Comfort

8.1

Food

7.1

Boarding

8.2

Crew

8.7

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 $105 on American Airlines. Other airlines that offer cheap prices include Delta from $112 and Spirit Airlines from $126 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 February 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$245Average$376FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$258Average$481FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$342Average$446FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$368Average$650FlexibilityNo cancel feeOn-time69%
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