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$90+ Cheap flights from Kentucky to Boise (BOI)

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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BOI
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Kentucky to Boise

Keep the following information in mind while searching for Kentucky to Boise flight deals. Data was last updated September 15, 2025.

Round-trip from

$155
(Frontier)

One-way from

$90
(Kiwi.com)

Popular in

November

Cheapest in

September

Average price

$316
From Kentucky to Boise Air Term. Gowen Fld
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One-way flight from Kentucky to Boise Air Term. Gowen Fld
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Highest demand for flights based on searches. 20% potential increase in price ($118 potential increase over avg. RT price).
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Cheapest flight prices on average. 10% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Kentucky to Boise

Cheapest flights from Kentucky to Boise
Explore the most affordable flight options available from Kentucky to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Frontier deal was found by Cheapflights users on 9/15. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/166:12 amBNA - BOI
1 stop6h 31mFrontier
Thu 10/2312:28 pmBOI - BNA
1 stop21h 12mFrontier
Deal found 9/15$155
This Frontier deal was found by Cheapflights users on 9/12. 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.
Thu 10/26:18 amCVG - BOI
1 stop7h 19mFrontier
Sun 10/512:22 pmBOI - CVG
1 stop11h 18mFrontier
Deal found 9/12$160
This Frontier deal was found by Cheapflights users on 9/13. 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.
Thu 10/166:12 amBNA - BOI
1 stop6h 31mFrontier
Sun 10/1912:28 pmBOI - BNA
1 stop10h 31mFrontier
Deal found 9/13$184
This Frontier deal was found by Cheapflights users on 9/13. 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 9/286:15 amBNA - BOI
1 stop6h 22mFrontier
Thu 10/212:22 pmBOI - BNA
1 stop11h 18mFrontier
Deal found 9/13$201
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/277:00 amBNA - BOI
1 stop29h 37mFrontier
Sun 10/512:22 pmBOI - BNA
1 stop11h 18mFrontier
Deal found 9/13$249
This Expedia deal was found by Cheapflights users on 9/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/246:12 amBNA - BOI
1 stop6h 31mMultiple Airlines
Wed 10/292:20 pmBOI - BNA
1 stop8h 57mMultiple Airlines
Deal found 9/13$298
This American Airlines deal was found by Cheapflights users on 9/12. 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 10/17:00 amCVG - BOI
1 stop7h 27mAmerican Airlines
Sat 10/41:38 pmBOI - CVG
1 stop7h 23mAmerican Airlines
Deal found 9/12$302
This Orbitz deal was found by Cheapflights users on 9/12. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/166:05 amCVG - BOI
1 stop7h 38mMultiple Airlines
Mon 10/208:26 pmBOI - CVG
1 stop19h 23mMultiple Airlines
Deal found 9/12$311
This Southwest deal was found by Cheapflights users on 9/13. 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.
Fri 10/245:00 amBNA - BOI
1 stop5h 45mSouthwest
Wed 10/297:15 amBOI - BNA
2 stops8h 45mSouthwest
Deal found 9/13$319
This Southwest deal was found by Cheapflights users on 9/13. 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.
Mon 11/245:00 amBNA - BOI
1 stop6h 00mSouthwest
Tue 12/212:55 pmBOI - BNA
1 stop6h 20mSouthwest
Deal found 9/13$326
This Trip.com deal was found by Cheapflights users on 9/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/156:49 pmCVG - BOI
1 stop7h 07mMultiple Airlines
Thu 10/1612:28 pmBOI - CVG
1 stop11h 11mMultiple Airlines
Deal found 9/15$326
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/298:00 amCVG - BOI
1 stop14h 31mMultiple Airlines
Fri 10/39:26 pmBOI - CVG
2 stops23h 15mMultiple Airlines
Deal found 9/14$327

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kentucky to Boise 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 September 15, 2025.
Use the filters below to find and compare flights from Kentucky to Boise that are best for you.

Fly from

Kentucky

Fly to

Boise

Route

Depart

Return

Price

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Thu 10/16

6:12 am-11:43 am

1 stop6h 31m

Boise Air Term. Gowen Fld

Thu 10/23

12:28 pm-10:40 am

1 stop21h 12m

$155

CincinnatiBoise

CVG - BOI

CVGBOI

Cincinnati Cinci./N. Kentucky

Thu 10/2

6:18 am-11:37 am

1 stop7h 19m

Boise Air Term. Gowen Fld

Sun 10/5

12:22 pm-1:40 am

1 stop11h 18m

$160

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Tue 3/3

6:00 am-2:09 pm

1 stop9h 09m

Boise Air Term. Gowen Fld

Wed 3/4

1:10 pm-10:20 pm

1 stop8h 10m

$203

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Thu 10/16

6:12 am-11:43 am

1 stop6h 31m

Boise Air Term. Gowen Fld

Sun 10/19

12:28 pm-11:59 pm

1 stop10h 31m

$205

KnoxvilleBoise

TYS - BOI

TYSBOI

Knoxville McGhee Tyson

Sat 2/21

6:45 am-2:09 pm

1 stop9h 24m

Boise Air Term. Gowen Fld

Tue 2/24

3:00 pm-11:00 pm

1 stop6h 00m

$243

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Sat 9/27

7:00 am-11:37 am

1 stop29h 37m

Boise Air Term. Gowen Fld

Sun 10/5

12:22 pm-12:40 am

1 stop11h 18m

$249

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Fri 10/24

6:12 am-11:43 am

1 stop6h 31m

Boise Air Term. Gowen Fld

Wed 10/29

2:20 pm-12:17 am

1 stop8h 57m

$298

CincinnatiBoise

CVG - BOI

CVGBOI

Cincinnati Cinci./N. Kentucky

Wed 10/1

7:00 am-12:27 pm

1 stop7h 27m

Boise Air Term. Gowen Fld

Sat 10/4

1:38 pm-11:01 pm

1 stop7h 23m

$302

CincinnatiBoise

CVG - BOI

CVGBOI

Cincinnati Cinci./N. Kentucky

Thu 10/16

6:05 am-11:43 am

1 stop7h 38m

Boise Air Term. Gowen Fld

Mon 10/20

8:26 pm-5:49 pm

1 stop19h 23m

$311

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Fri 10/24

5:00 am-9:45 am

1 stop5h 45m

Boise Air Term. Gowen Fld

Wed 10/29

7:15 am-5:00 pm

2 stops8h 45m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 55 results
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Best time to book a flight from Kentucky to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from Kentucky 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 Kentucky to Boise

What is the cheapest month to book a flight from Kentucky to Boise?

Currently, October is the cheapest month in which you can book a flight from Kentucky to Boise (average of $314). Flying from Kentucky to Boise in June is currently the most expensive (average of $398). 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 KY to BOI?

Find hourly flight availability from Kentucky to Boise. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 15, 2025.

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

Related info for your journey

Find useful and relevant information for your journey from Kentucky to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Boise from Kentucky?

    If you book a flight to Boise from Kentucky, you will be flying to Air Term. Gowen Fld, which is the city’s only airport. Boise Air Term. Gowen Fld (BOI) is located 3.3 mi from the center of Boise.

  • How long is the flight from Kentucky to Boise?

    Airlines like Frontier, Delta, and American Airlines fly from Kentucky to Boise in about 6h 31m. The time it takes to get you to your destination can typically vary by up to 2h 38m. The distance between Kentucky and Boise is about 1638 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Kentucky to Boise one-way?

    One-way options have recently been found by users for as low as $90 on Frontier. Other airlines that offer cheap prices include Alaska Airlines from $162 and American Airlines from $168 one-way.

  • What are the most popular routes from Kentucky to Boise?

    The most popular flight routes from Kentucky to Boise are Nashville Intl - Boise Air Term. Gowen Fld, Cincinnati Cinci./N. Kentucky - Boise Air Term. Gowen Fld and Knoxville McGhee Tyson - Boise Air Term. Gowen Fld.

  • Can I find deals for flights from Kentucky to Boise that include hotel bookings?

    Yes. In addition to deals on Kentucky to Boise flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kentucky to Boise?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kentucky to Boise.

  • Can I find deals for business class flights from Kentucky to Boise?

    Yes. Cheapflights offers flight deals from Kentucky to Boise 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 Kentucky to Boise?

    Currently, October is the cheapest month in which you can book a flight from Kentucky to Boise (average of $314). Flying from Kentucky to Boise in June is currently the most expensive (average of $398). 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

Traveling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
Ontario
Meridian
Nampa
Caldwell
McCall

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Top 4 airlines flying from Kentucky to Boise

Discover the top 4 airlines that operate flights from Kentucky to Boise. 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$258Average$425FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$287Average$453FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$351Average$426FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$384Average$663FlexibilityNo cancel feeOn-time69%

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