$135+ 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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BOI
Sep 24 — Oct 11
Round-trip
1 adult, Economy
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Find cheap flights from Kentucky to Boise with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Kentucky to BoiseExplore 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 August 25, 2026.
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 August 25, 2026.
This CheapOair deal was found by Cheapflights users on 8/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/131:49 pm -
1 stop25h 06m
Sun 9/202:50 pm -
1 stop29h 10m
Deal found 8/23![Frontier logo]()
$270
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 10/2112:43 pm -
2 stops27h 12m
Thu 10/292:49 pm -
1 stop24h 03m
Deal found 8/24![Frontier logo]()
$291
This CheapOair deal was found by Cheapflights users on 8/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/218:45 am -
1 stop7h 10m
Thu 9/242:50 pm -
1 stop13h 57m
Deal found 8/23![Frontier logo]()
$296
This American Airlines deal was found by Cheapflights users on 8/25. 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 10/78:59 am -
1 stop6h 34m
Sat 10/102:41 pm -
1 stop7h 17m
Deal found 8/25![American Airlines logo]()
$313
This Southwest deal was found by Cheapflights users on 8/22. 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.
Tue 9/226:15 am -
2 stops8h 25m
Tue 9/223:40 pm -
1 stop6h 20m
Deal found 8/22![Southwest logo]()
$318
This Alaska Airlines deal was found by Cheapflights users on 8/24. 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.
Wed 10/287:00 am -
1 stop9h 23m
Thu 10/296:43 am -
1 stop8h 15m
Deal found 8/24![Alaska Airlines logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 10/225:11 pm -
2 stops22h 44m
Thu 10/292:49 pm -
1 stop24h 03m
Deal found 8/24![Frontier logo]()
$322
This Kiwi.com deal was found by Cheapflights users on 8/24. 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 10/2112:43 pm -
2 stops27h 12m
Sun 11/12:49 pm -
1 stop24h 03m
Deal found 8/24![Frontier logo]()
$327
This Delta deal was found by Cheapflights users on 8/22. 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 9/213:44 pm -
1 stop7h 16m
Mon 9/2811:10 pm -
1 stop8h 15m
Deal found 8/22![Delta logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 8/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/117:00 am -
1 stop10h 11m
Sat 12/126:00 am -
1 stop9h 53m
Deal found 8/23![Alaska Airlines logo]()
$330
This Southwest deal was found by Cheapflights users on 8/24. 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 9/243:35 pm -
1 stop9h 20m
Sat 9/264:05 pm -
2 stops11h 30m
Deal found 8/24![Southwest logo]()
$335
This Delta deal was found by Cheapflights users on 8/23. 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 9/117:00 am -
1 stop9h 16m
Sun 9/135:30 am -
1 stop8h 24m
Deal found 8/23![Delta logo]()
$336
Best flights from Kentucky to BoiseDiscover carefully curated flight deals from Kentucky to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 25, 2026.
Discover carefully curated flight deals from Kentucky to Boise that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 25, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/20. 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.
Wed 10/287:00 am -
1 stop9h 23m
Thu 10/299:12 am -
1 stop7h 23m
Deal found 8/20![Alaska Airlines logo]()
$321
This Delta deal was found by Cheapflights users on 8/24. 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 9/143:26 pm -
1 stop8h 33m
Tue 9/153:28 pm -
1 stop7h 30m
Deal found 8/24![Delta logo]()
$321
This American Airlines deal was found by Cheapflights users on 8/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/266:00 am -
1 stop9h 00m
Tue 10/133:24 pm -
1 stop6h 35m
Deal found 8/23![American Airlines logo]()
$337
This United Airlines deal was found by Cheapflights users on 8/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:15 am -
1 stop8h 11m
Sat 9/195:00 am -
1 stop7h 29m
Deal found 8/21![United Airlines logo]()
$337
This Southwest deal was found by Cheapflights users on 8/24. 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 10/810:25 pm -
1 stop13h 55m
Fri 10/99:45 pm -
1 stop6h 25m
Deal found 8/24![Southwest logo]()
$352
This Delta deal was found by Cheapflights users on 8/21. 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.
Fri 9/113:26 pm -
1 stop8h 33m
Sun 9/135:30 am -
1 stop8h 24m
Deal found 8/21![Delta logo]()
$336
This Southwest deal was found by Cheapflights users on 8/25. 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 10/142:35 pm -
2 stops8h 40m
Sat 10/174:55 pm -
1 stop6h 10m
Deal found 8/25![Southwest logo]()
$352
This Alaska Airlines deal was found by Cheapflights users on 8/20. 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.
Wed 10/288:39 am -
1 stop8h 44m
Sat 10/3110:06 am -
1 stop9h 03m
Deal found 8/20![Alaska Airlines logo]()
$361
This United Airlines deal was found by Cheapflights users on 8/24. 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 10/172:05 pm -
2 stops10h 28m
Sat 10/2412:26 pm -
1 stop5h 50m
Deal found 8/24![United Airlines logo]()
$366
This Delta deal was found by Cheapflights users on 8/21. 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.
Thu 11/197:10 am -
1 stop8h 57m
Sun 11/2211:35 pm -
1 stop9h 14m
Deal found 8/21![Delta logo]()
$344
This Southwest deal was found by Cheapflights users on 8/22. 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.
Fri 10/26:25 pm -
1 stop8h 15m
Mon 10/56:50 pm -
2 stops9h 10m
Deal found 8/22![Southwest logo]()
$352
This Delta deal was found by Cheapflights users on 8/24. 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 9/257:54 pm -
1 stop6h 05m
Mon 9/2811:10 pm -
1 stop9h 09m
Deal found 8/24![Delta logo]()
$353
This Delta deal was found by Cheapflights users on 8/23. 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 10/167:10 am -
1 stop8h 24m
Mon 10/1911:10 pm -
1 stop8h 59m
Deal found 8/23![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 8/22. 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.
Wed 10/286:45 am -
1 stop6h 46m
Sat 10/312:51 pm -
1 stop5h 41m
Deal found 8/22![United Airlines logo]()
$437
This United Airlines deal was found by Cheapflights users on 8/24. 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 1/63:20 pm -
1 stop7h 56m
Sat 1/92:43 pm -
1 stop5h 14m
Deal found 8/24![United Airlines logo]()
$437
This Southwest deal was found by Cheapflights users on 8/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/265:45 am -
2 stops11h 25m
Thu 10/296:10 am -
2 stops10h 30m
Deal found 8/21![Southwest logo]()
$445
This Delta deal was found by Cheapflights users on 8/24. 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.
Sat 10/244:25 pm -
1 stop6h 11m
Mon 11/210:34 am -
1 stop6h 59m
Deal found 8/24![Delta logo]()
$373
This United Airlines deal was found by Cheapflights users on 8/24. 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.
Tue 10/276:45 am -
2 stops16h 30m
Sat 10/317:10 pm -
2 stops13h 43m
Deal found 8/24![United Airlines logo]()
$447
This Delta deal was found by Cheapflights users on 8/24. 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 10/217:00 am -
1 stop8h 34m
Mon 11/28:59 am -
1 stop8h 34m
Deal found 8/24![Delta logo]()
$373
This United Airlines deal was found by Cheapflights users on 8/25. 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 11/185:05 pm -
1 stop7h 54m
Wed 12/24:24 pm -
3 stops15h 37m
Deal found 8/25![United Airlines logo]()
$447
This Delta deal was found by Cheapflights users on 8/22. 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.
Sun 9/66:00 am -
1 stop8h 49m
Fri 9/1811:10 pm -
1 stop8h 57m
Deal found 8/22![Delta logo]()
$394
This United Airlines deal was found by Cheapflights users on 8/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:00 am -
1 stop6h 28m
Thu 9/1012:28 pm -
1 stop8h 21m
Deal found 8/21![United Airlines logo]()
$461
This Delta deal was found by Cheapflights users on 8/21. 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.
Wed 9/166:30 am -
1 stop9h 14m
Sun 9/2011:10 pm -
1 stop7h 41m
Deal found 8/21![Delta logo]()
$402
This United Airlines deal was found by Cheapflights users on 8/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/282:03 pm -
2 stops11h 30m
Sat 10/3112:31 pm -
1 stop6h 16m
Deal found 8/23![United Airlines logo]()
$466
This Delta deal was found by Cheapflights users on 8/21. 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.
Thu 10/17:47 pm -
1 stop6h 12m
Fri 10/911:10 pm -
1 stop9h 08m
Deal found 8/21![Delta logo]()
$407
This United Airlines deal was found by Cheapflights users on 8/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:45 am -
2 stops13h 47m
Sat 10/3112:00 pm -
2 stops10h 05m
Deal found 8/23![United Airlines logo]()
$469
This Delta deal was found by Cheapflights users on 8/24. 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 10/277:00 am -
1 stop5h 42m
Sun 11/11:06 pm -
1 stop8h 09m
Deal found 8/24![Delta logo]()
$408
This Delta deal was found by Cheapflights users on 8/23. 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.
Sun 9/276:35 am -
1 stop7h 02m
Wed 9/302:50 pm -
1 stop7h 01m
Deal found 8/23![Delta logo]()
$429
This Delta deal was found by Cheapflights users on 8/22. 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 10/78:04 pm -
1 stop5h 55m
Sun 10/1111:10 pm -
1 stop7h 44m
Deal found 8/22![Delta logo]()
$429
This Delta deal was found by Cheapflights users on 8/25. 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 10/153:34 pm -
1 stop8h 23m
Mon 10/197:13 pm -
2 stops12h 35m
Deal found 8/25![Delta logo]()
$434
Last-minute flights from Kentucky to BoiseDiscover last-minute flight deals from Kentucky to Boise. Data last updated August 25, 2026 and is based on user searches.
Discover last-minute flight deals from Kentucky to Boise. Data last updated August 25, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 8/23. 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 9/117:00 am -
1 stop9h 16m
Sun 9/135:30 am -
1 stop8h 24m
Deal found 8/23![Delta logo]()
$336
This CheapOair deal was found by Cheapflights users on 8/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/131:49 pm -
1 stop25h 06m
Sun 9/202:50 pm -
1 stop29h 10m
Deal found 8/23![Frontier logo]()
$270
This Delta deal was found by Cheapflights users on 8/24. 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 9/143:26 pm -
1 stop8h 33m
Tue 9/153:28 pm -
1 stop7h 30m
Deal found 8/24![Delta logo]()
$321
This Delta deal was found by Cheapflights users on 8/24. 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 9/157:54 pm -
1 stop6h 05m
Sat 9/192:11 pm -
1 stop7h 48m
Deal found 8/24![Delta logo]()
$337
This United Airlines deal was found by Cheapflights users on 8/24. 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.
Tue 9/157:10 am -
1 stop6h 16m
Sat 9/1910:36 am -
2 stops11h 20m
Deal found 8/24![United Airlines logo]()
$342
This CheapOair deal was found by Cheapflights users on 8/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/218:45 am -
1 stop7h 10m
Thu 9/242:50 pm -
1 stop13h 57m
Deal found 8/23![Frontier logo]()
$296
This Delta deal was found by Cheapflights users on 8/22. 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 9/213:44 pm -
1 stop7h 16m
Mon 9/2811:10 pm -
1 stop8h 15m
Deal found 8/22![Delta logo]()
$329
This Southwest deal was found by Cheapflights users on 8/22. 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.
Tue 9/226:20 am -
1 stop8h 20m
Tue 9/223:40 pm -
1 stop6h 20m
Deal found 8/22![Southwest logo]()
$313
This Southwest deal was found by Cheapflights users on 8/24. 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 9/243:35 pm -
1 stop9h 20m
Sat 9/264:05 pm -
2 stops11h 30m
Deal found 8/24![Southwest logo]()
$335
This Delta deal was found by Cheapflights users on 8/25. 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 9/257:54 pm -
1 stop6h 05m
Mon 9/2811:10 pm -
1 stop9h 09m
Deal found 8/25![Delta logo]()
$353
This American Airlines deal was found by Cheapflights users on 8/25. 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 9/266:00 am -
1 stop9h 00m
Tue 10/133:24 pm -
1 stop6h 35m
Deal found 8/25![American Airlines logo]()
$337
This American Airlines deal was found by Cheapflights users on 8/21. 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.
Tue 9/297:30 am -
2 stops11h 33m
Tue 10/133:24 pm -
1 stop6h 35m
Deal found 8/21![American Airlines logo]()
$342
One-way flights from Kentucky to BoiseSearch for one-way flight options from Kentucky to Boise. Find affordable one-way fares based on user searches. Data last updated August 25, 2026.
Search for one-way flight options from Kentucky to Boise. Find affordable one-way fares based on user searches. Data last updated August 25, 2026.
This Super.com deal was found by Cheapflights users on 8/23. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/131:49 pm -
1 stop25h 06m
Deal found 8/23![Frontier logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/223:14 pm -
2 stops47h 41m
Deal found 8/23![Frontier logo]()
$150
This Frontier deal was found by Cheapflights users on 8/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:45 am -
1 stop7h 10m
Deal found 8/21![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 8/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1212:43 pm -
2 stops51h 12m
Deal found 8/21![Frontier logo]()
$156
This American Airlines deal was found by Cheapflights users on 8/25. 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 10/37:01 am -
1 stop8h 30m
Deal found 8/25![American Airlines logo]()
$157
This Southwest deal was found by Cheapflights users on 8/22. 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.
Tue 9/229:20 am -
2 stops11h 30m
Deal found 8/22![Southwest logo]()
$162
This Frontier deal was found by Cheapflights users on 8/21. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:45 am -
1 stop7h 10m
Deal found 8/21![Frontier logo]()
$162
This Delta deal was found by Cheapflights users on 8/23. 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.
Thu 9/247:28 pm -
1 stop5h 30m
Deal found 8/23![Delta logo]()
$165
This Delta deal was found by Cheapflights users on 8/21. 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.
Mon 9/146:20 pm -
1 stop7h 39m
Deal found 8/21![Delta logo]()
$169
This Southwest deal was found by Cheapflights users on 8/22. 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.
Mon 10/195:50 pm -
2 stops8h 50m
Deal found 8/22![Southwest logo]()
$170
This United Airlines deal was found by Cheapflights users on 8/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2610:42 am -
2 stops12h 57m
Deal found 8/23![United Airlines logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 8/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/131:34 pm -
2 stops25h 21m
Deal found 8/23![Multiple Airlines logo]()
$181
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 August 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $270 (CheapOair) |
One-way from | $135 (Super.com) |
Popular in | December |
Cheapest in | September |
Average price | $634 |
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 7,457,451 searches. Data last updated August 25, 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
Cheapest round-trip
NashvilleBoise
BNA Nashville Intl - BOI Boise Air Term. Gowen Fld
BNABOI
Nashville Intl
Wed 10/28
7:00 am-3:23 pm
1 stop9h 23m
Boise Air Term. Gowen Fld
Thu 10/29
9:12 am-5:35 pm
1 stop7h 23m
$321
NashvilleBoise
BNA Nashville Intl - BOI Boise Air Term. Gowen Fld
BNABOI
Nashville Intl
Mon 9/14
3:26 pm-10:59 pm
1 stop8h 33m
Boise Air Term. Gowen Fld
Tue 9/15
3:28 pm-11:58 pm
1 stop7h 30m
$321
NashvilleBoise
BNA Nashville Intl - BOI Boise Air Term. Gowen Fld
BNABOI
Nashville Intl
Fri 9/11
3:26 pm-10:59 pm
1 stop8h 33m
Boise Air Term. Gowen Fld
Sun 9/13
5:30 am-2:54 pm
1 stop8h 24m
$336
KnoxvilleBoise
TYS Knoxville McGhee Tyson - BOI Boise Air Term. Gowen Fld
TYSBOI
Knoxville McGhee Tyson
Sat 9/26
6:00 am-1:00 pm
1 stop9h 00m
Boise Air Term. Gowen Fld
Tue 10/13
3:24 pm-11:59 pm
1 stop6h 35m
$337
LouisvilleBoise
SDF Louisville Intl - BOI Boise Air Term. Gowen Fld
SDFBOI
Louisville Intl
Wed 9/16
5:15 am-11:26 am
1 stop8h 11m
Boise Air Term. Gowen Fld
Sat 9/19
5:00 am-2:29 pm
1 stop7h 29m
$337
NashvilleBoise
BNA Nashville Intl - BOI Boise Air Term. Gowen Fld
BNABOI
Nashville Intl
Thu 11/19
7:10 am-3:07 pm
1 stop8h 57m
Boise Air Term. Gowen Fld
Sun 11/22
11:35 pm-9:49 am
1 stop9h 14m
$344
NashvilleBoise
BNA Nashville Intl - BOI Boise Air Term. Gowen Fld
BNABOI
Nashville Intl
Thu 10/8
10:25 pm-11:20 am
1 stop13h 55m
Boise Air Term. Gowen Fld
Fri 10/9
9:45 pm-5:10 am
1 stop6h 25m
$352
NashvilleBoise
BNA Nashville Intl - BOI Boise Air Term. Gowen Fld
BNABOI
Nashville Intl
Wed 10/14
2:35 pm-10:15 pm
2 stops8h 40m
Boise Air Term. Gowen Fld
Sat 10/17
4:55 pm-12:05 am
1 stop6h 10m
$352
NashvilleBoise
BNA Nashville Intl - BOI Boise Air Term. Gowen Fld
BNABOI
Nashville Intl
Fri 10/2
6:25 pm-1:40 am
1 stop8h 15m
Boise Air Term. Gowen Fld
Mon 10/5
6:50 pm-5:00 am
2 stops9h 10m
$352
LouisvilleBoise
SDF Louisville Intl - BOI Boise Air Term. Gowen Fld
SDFBOI
Louisville Intl
Fri 9/25
7:54 pm-11:59 pm
1 stop6h 05m
Boise Air Term. Gowen Fld
Mon 9/28
11:10 pm-10:19 am
1 stop9h 09m
$353
Showing 1-10 of 60 resultsSorted by cheapest first
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.
BNA-BOI
CVG-BOI
TYS-BOI
SDF-BOI
LEX-BOI
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
USKY-BOI
BNA-BOI
CVG-BOI
TYS-BOI
SDF-BOI
What is the cheapest month to book a flight from Kentucky to Boise?
Currently, November is the cheapest month in which you can book a flight from Kentucky to Boise (average of $384). Flying from Kentucky to Boise in March is currently the most expensive (average of $514). 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?
Airfare is below average for this route at the moment.
Kentucky to Boise flights typically cost between $341 and $592 in September.The cheapest round-trip price found within the last 5 days was $337 on Delta (Sep 15-Sep 19).
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.
Traveling to a place near Boise?
Book flights to Boise if you plan to visit one of these locationsOntario
Meridian
Nampa
Caldwell
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Kentucky to Boise
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Other flights to Boise
Explore flights to Boise departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 25, 2026.
Complete your trip
Complete your trip to Boise by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Kentucky to Boise by cabin class
Find flights from Kentucky to Boise, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Kentucky and Boise flights
Browse other Kentucky and Boise flight options. Last updated on August 25, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Kentucky to Boise flights
Consider these flights traveling from Kentucky to Boise.
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 7,457,451 searches. Data last updated August 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$306 | Average$553 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$327 | Average$482 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$331 | Average$469 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$376 | Average$442 | FlexibilityNo cancel fee | On-time63% |