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Boise

$92+ 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 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BOI
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This Frontier deal was found by Cheapflights users on 12/17. 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.
Thu 12/186:10 amCVG - BOI
1 stop7h 33mFrontier
Sun 12/2112:38 pmBOI - CVG
1 stop11h 30mFrontier
Deal found 12/17$353
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Thu 12/256:45 amTYS - BOI
1 stop7h 54mUnited Airlines
Mon 1/55:00 amBOI - TYS
1 stop8h 00mUnited Airlines
Deal found 12/16$473
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/243:18 pmSDF - BOI
1 stop8h 13mUnited Airlines
Sun 12/2812:20 pmBOI - SDF
1 stop6h 12mUnited Airlines
Deal found 12/17$513
This Delta deal was found by Cheapflights users on 12/16. 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.
Wed 12/2410:14 amSDF - BOI
2 stops14h 43mDelta
Sun 12/283:23 pmBOI - SDF
1 stop5h 40mDelta
Deal found 12/16$518
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/314:25 pmCVG - BOI
1 stop21h 18mFrontier
Sun 1/412:38 pmBOI - CVG
1 stop22h 35mFrontier
Deal found 12/16$537
This Delta deal was found by Cheapflights users on 12/17. 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.
Wed 12/241:52 pmSDF - BOI
2 stops12h 01mDelta
Sat 12/2711:47 pmBOI - SDF
1 stop7h 42mDelta
Deal found 12/17$567
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:15 amCVG - BOI
1 stop15h 25mMultiple Airlines
Sat 12/2712:54 pmBOI - CVG
2 stops28h 16mMultiple Airlines
Deal found 12/17$594
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Thu 12/258:00 amSDF - BOI
1 stop7h 36mUnited Airlines
Sun 12/2812:20 pmBOI - SDF
1 stop6h 12mUnited Airlines
Deal found 12/16$603
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Thu 12/258:00 amSDF - BOI
1 stop7h 36mUnited Airlines
Sat 12/275:00 amBOI - SDF
2 stops10h 28mUnited Airlines
Deal found 12/16$608
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:49 pmCVG - BOI
2 stops27h 51mMultiple Airlines
Sat 12/2712:54 pmBOI - CVG
1 stop22h 19mMultiple Airlines
Deal found 12/17$618
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:49 pmCVG - BOI
2 stops27h 51mMultiple Airlines
Mon 12/2210:41 pmBOI - CVG
1 stop15h 32mMultiple Airlines
Deal found 12/16$630
This Delta deal was found by Cheapflights users on 12/17. 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.
Thu 12/251:52 pmSDF - BOI
2 stops12h 01mDelta
Sat 12/275:50 amBOI - SDF
2 stops10h 16mDelta
Deal found 12/17$632

Find flight deals from Kentucky to Boise

Keep the following information in mind while searching for Kentucky to Boise flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$216
(Alaska Airlines)

One-way from

$92
(Priceline)

Popular in

December

Cheapest in

September

Average price

$778
Provider with most accurate pricing for Louisville Intl-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Boise Air Term. Gowen Fld flights.
Search Deals
From Kentucky to Boise Air Term. Gowen Fld
Search Deals
One-way flight from Kentucky to Boise Air Term. Gowen Fld
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($67 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 18, 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 1/22

7:00 am-3:10 pm

1 stop9h 10m

Boise Air Term. Gowen Fld

Sun 1/25

1:55 pm-11:57 pm

1 stop9h 02m

$216

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Sat 1/17

6:00 am-12:39 pm

1 stop7h 39m

Boise Air Term. Gowen Fld

Sat 1/24

12:19 pm-7:33 pm

1 stop6h 14m

$217

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Sun 1/11

7:00 am-2:02 pm

1 stop8h 02m

Boise Air Term. Gowen Fld

Tue 1/13

10:39 am-9:28 pm

1 stop9h 49m

$217

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Mon 1/5

1:29 pm-10:05 pm

1 stop9h 36m

Boise Air Term. Gowen Fld

Fri 1/9

1:58 pm-9:21 pm

1 stop6h 23m

$217

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Fri 1/9

2:38 pm-11:48 pm

2 stops10h 10m

Boise Air Term. Gowen Fld

Mon 1/12

2:37 pm-9:50 pm

1 stop6h 13m

$222

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Sat 1/17

10:39 am-8:55 pm

2 stops11h 16m

Boise Air Term. Gowen Fld

Sat 1/24

11:20 am-9:52 pm

2 stops9h 32m

$227

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Thu 1/8

4:23 pm-11:59 pm

1 stop8h 36m

Boise Air Term. Gowen Fld

Mon 1/12

1:55 pm-11:57 pm

1 stop9h 02m

$244

CincinnatiBoise

CVG - BOI

CVGBOI

Cincinnati Cinci./N. Kentucky

Fri 1/16

6:13 pm-1:16 pm

2 stops45h 03m

Boise Air Term. Gowen Fld

Fri 1/23

12:07 pm-8:53 pm

1 stop6h 46m

$245

CincinnatiBoise

CVG - BOI

CVGBOI

Cincinnati Cinci./N. Kentucky

Wed 1/14

8:00 am-3:10 pm

1 stop9h 10m

Boise Air Term. Gowen Fld

Wed 1/21

9:02 am-7:49 pm

1 stop8h 47m

$245

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Thu 1/22

7:00 am-6:28 pm

2 stops12h 28m

Boise Air Term. Gowen Fld

Sun 1/25

1:40 pm-12:13 am

1 stop9h 33m

$253

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 60 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, August is the cheapest month in which you can book a flight from Kentucky to Boise (average of $196). Flying from Kentucky to Boise in November is currently the most expensive (average of $384). 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 December 18, 2025.

A simple way to save on the total cost of your ticket is to fly from Kentucky to Boise in the evening. If you’re flexible enough to do this you can expect to save up to 38% on your trip compared to booking a flight in the afternoon.

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 Alaska Airlines, United Airlines, and Delta fly from Kentucky to Boise in about 7h 39m. The time it takes to get you to your destination can typically vary by up to 1h 31m. 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 $130 on United Airlines. Other airlines that offer cheap prices include Delta from $134 and Southwest from $153 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 Lexington Blue Grass - 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, August is the cheapest month in which you can book a flight from Kentucky to Boise (average of $196). Flying from Kentucky to Boise in November is currently the most expensive (average of $384). 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$196Average$402FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$287Average$460FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$346Average$428FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$386Average$646FlexibilityNo cancel feeOn-time69%

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