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Boise

$129+ 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 6/8. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BOI
Jun 10 — Jun 171
Wed 6/10
Wed 6/17
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 May 11, 2026.

This Mytrip deal was found by Cheapflights users on 5/6. 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.
Wed 7/2912:09 pm
BNA
-
BOI
1 stop25h 20m
Frontier
Sun 8/21:25 pm
BOI
-
BNA
1 stop20h 54m
Frontier
Deal found 5/6$239
This Booking.com deal was found by Cheapflights users on 5/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/88:32 pm
TYS
-
BOI
1 stop17h 58m
Frontier
Sun 6/141:25 pm
BOI
-
TYS
1 stop28h 12m
Frontier
Deal found 5/9$256
This Booking.com deal was found by Cheapflights users on 5/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/88:20 pm
BNA
-
BOI
1 stop17h 10m
Frontier
Sun 6/141:25 pm
BOI
-
BNA
1 stop20h 59m
Frontier
Deal found 5/9$282
This Southwest deal was found by Cheapflights users on 5/6. 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 7/35:15 pm
BNA
-
BOI
1 stop6h 40m
Southwest
Sat 7/115:10 pm
BOI
-
BNA
1 stop6h 35m
Southwest
Deal found 5/6$293
This Southwest deal was found by Cheapflights users on 5/8. 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.
Tue 6/25:55 pm
BNA
-
BOI
1 stop7h 30m
Southwest
Wed 6/103:00 pm
BOI
-
BNA
1 stop8h 45m
Southwest
Deal found 5/8$298
This Delta deal was found by Cheapflights users on 5/10. 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 7/26:00 am
BNA
-
BOI
1 stop8h 51m
Delta
Tue 7/711:42 pm
BOI
-
BNA
1 stop6h 56m
Delta
Deal found 5/10$301
This Delta deal was found by Cheapflights users on 5/8. 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 7/145:00 pm
BNA
-
BOI
1 stop7h 51m
Delta
Tue 7/2111:42 pm
BOI
-
BNA
1 stop6h 56m
Delta
Deal found 5/8$303
This Southwest deal was found by Cheapflights users on 5/7. 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.
Thu 7/210:40 pm
BNA
-
BOI
1 stop13h 45m
Southwest
Sat 7/115:10 pm
BOI
-
BNA
1 stop6h 35m
Southwest
Deal found 5/7$306
This Alaska Airlines deal was found by Cheapflights users on 5/10. 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 8/136:03 pm
BNA
-
BOI
1 stop16h 40m
Alaska Airlines
Mon 8/178:47 pm
BOI
-
BNA
1 stop7h 53m
Alaska Airlines
Deal found 5/10$309
This American Airlines deal was found by Cheapflights users on 5/10. 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 7/148:00 am
BNA
-
BOI
2 stops9h 49m
American Airlines
Tue 7/213:53 pm
BOI
-
BNA
1 stop6h 36m
American Airlines
Deal found 5/10$311
This Southwest deal was found by Cheapflights users on 5/6. 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 6/32:30 pm
BNA
-
BOI
1 stop10h 00m
Southwest
Wed 6/104:05 pm
BOI
-
BNA
1 stop8h 00m
Southwest
Deal found 5/6$313
This Delta deal was found by Cheapflights users on 5/10. 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 7/106:45 pm
BNA
-
BOI
1 stop6h 01m
Delta
Wed 7/153:29 pm
BOI
-
BNA
1 stop7h 25m
Delta
Deal found 5/10$316

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 May 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$239
(Mytrip)

One-way from

$129
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$469
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. 2% potential increase in price ($8 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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 May 11, 2026.
Use the filters below to find and compare flights from Kentucky to Boise that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Fri 7/3

5:10 pm-12:09 am

1 stop7h 59m

Boise Air Term. Gowen Fld

Tue 7/7

11:42 pm-8:41 am

1 stop7h 59m

$293

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Wed 8/5

7:06 am-3:18 pm

1 stop9h 12m

Boise Air Term. Gowen Fld

Wed 8/12

3:29 pm-11:55 pm

1 stop7h 26m

$303

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Wed 8/5

7:06 am-3:18 pm

1 stop9h 12m

Boise Air Term. Gowen Fld

Tue 8/11

3:29 pm-11:55 pm

1 stop7h 26m

$303

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Thu 7/2

10:40 pm-11:25 am

1 stop13h 45m

Boise Air Term. Gowen Fld

Sat 7/11

5:10 pm-12:45 am

1 stop6h 35m

$306

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Thu 8/6

1:25 pm-10:50 pm

2 stops10h 25m

Boise Air Term. Gowen Fld

Tue 8/11

2:20 pm-10:00 pm

1 stop6h 40m

$306

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Thu 7/9

6:45 pm-11:46 pm

1 stop6h 01m

Boise Air Term. Gowen Fld

Mon 7/13

2:50 pm-10:26 pm

1 stop6h 36m

$309

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Tue 7/7

4:00 pm-11:46 pm

1 stop8h 46m

Boise Air Term. Gowen Fld

Fri 7/17

11:53 am-6:13 pm

1 stop5h 20m

$316

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Thu 7/9

6:40 pm-1:45 am

2 stops8h 05m

Boise Air Term. Gowen Fld

Mon 7/13

7:20 pm-5:10 am

1 stop8h 50m

$334

LexingtonBoise

LEX - BOI

LEXBOI

Lexington Blue Grass

Wed 5/27

5:55 am-12:43 pm

1 stop8h 48m

Boise Air Term. Gowen Fld

Wed 6/3

11:39 pm-9:21 am

1 stop7h 42m

$349

NashvilleBoise

BNA - BOI

BNABOI

Nashville Intl

Tue 6/30

4:50 pm-12:25 am

2 stops8h 35m

Boise Air Term. Gowen Fld

Sat 7/4

2:55 pm-5:10 am

1 stop13h 15m

$352

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/7

Showing 1-10 of 60 resultsSorted by cheapest first
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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 July is currently the most expensive (average of $416). 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.

How much does it cost to fly round-trip from Kentucky to Boise?

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 Delta, Southwest, and American Airlines fly from Kentucky to Boise in about 6h 29m. The time it takes to get you to your destination can typically vary by up to 7h 16m. The distance between Kentucky and Boise is about 1656 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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, Knoxville McGhee Tyson - Boise Air Term. Gowen Fld and Cincinnati Cinci./N. Kentucky - 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 July is currently the most expensive (average of $416). 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

Browse thousands of different options on Cheapflights for your next trip

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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 May 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$196Average$376FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$287Average$513FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$327Average$487FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$351Average$446FlexibilityNo cancel feeOn-time63%

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