$101+ 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SDF
Jul 16 — Jul 231
Round-trip
1 adult, Economy
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Find cheap flights from Idaho to Kentucky 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 Idaho to KentuckyExplore 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 June 16, 2026.
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 June 16, 2026.
This Delta deal was found by Cheapflights users on 6/11. 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 10/68:45 am
BOI
- BNA
1 stop8h 38m
Delta
Tue 10/136:30 pm
BNA
- BOI
1 stop6h 25m
Delta
Deal found 6/11![Delta logo]()
$201
This Delta deal was found by Cheapflights users on 6/11. 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 9/216:00 am
BOI
- BNA
1 stop7h 21m
Delta
Wed 9/307:00 am
BNA
- BOI
1 stop9h 12m
Delta
Deal found 6/11![Delta logo]()
$220
This Delta deal was found by Cheapflights users on 6/11. 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 9/2810:50 pm
GEG
- BNA
1 stop9h 04m
Delta
Thu 10/14:04 pm
BNA
- GEG
1 stop9h 00m
Delta
Deal found 6/11![Delta logo]()
$225
This Delta deal was found by Cheapflights users on 6/11. 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 11/107:00 am
GEG
- BNA
1 stop5h 50m
Delta
Sun 11/155:25 am
BNA
- GEG
1 stop8h 13m
Delta
Deal found 6/11![Delta logo]()
$236
This Delta deal was found by Cheapflights users on 6/11. 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 8/137:00 am
BOI
- BNA
1 stop10h 24m
Delta
Mon 8/173:54 pm
BNA
- BOI
1 stop7h 03m
Delta
Deal found 6/11![Delta logo]()
$239
This Delta deal was found by Cheapflights users on 6/11. 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 9/2810:50 pm
GEG
- BNA
1 stop9h 04m
Delta
Fri 10/24:04 pm
BNA
- GEG
1 stop9h 00m
Delta
Deal found 6/11![Delta logo]()
$242
This Delta deal was found by Cheapflights users on 6/11. 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 11/1311:30 pm
BOI
- BNA
1 stop8h 06m
Delta
Mon 11/167:16 pm
BNA
- BOI
1 stop5h 48m
Delta
Deal found 6/11![Delta logo]()
$258
This Delta deal was found by Cheapflights users on 6/11. 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 9/36:49 am
BOI
- BNA
1 stop8h 04m
Delta
Tue 9/83:00 pm
BNA
- BOI
1 stop9h 04m
Delta
Deal found 6/11![Delta logo]()
$260
This American Airlines deal was found by Cheapflights users on 6/11. 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 8/122:27 pm
GEG
- CVG
1 stop7h 00m
American Airlines
Wed 8/199:54 am
CVG
- GEG
1 stop6h 43m
American Airlines
Deal found 6/11![American Airlines logo]()
$261
This Delta deal was found by Cheapflights users on 6/11. 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 8/113:29 pm
BOI
- BNA
1 stop7h 26m
Delta
Sun 8/163:54 pm
BNA
- BOI
1 stop7h 03m
Delta
Deal found 6/11![Delta logo]()
$275
This Delta deal was found by Cheapflights users on 6/11. 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 11/311:30 pm
BOI
- TYS
1 stop7h 42m
Delta
Wed 11/117:00 am
TYS
- BOI
1 stop7h 39m
Delta
Deal found 6/11![Delta logo]()
$277
This Southwest deal was found by Cheapflights users on 6/11. 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 8/133:50 pm
BOI
- BNA
1 stop7h 40m
Southwest
Mon 8/175:40 am
BNA
- BOI
2 stops9h 35m
Southwest
Deal found 6/11![Southwest logo]()
$280
Best flights from Idaho to KentuckyDiscover carefully curated flight deals from Idaho to Kentucky that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 16, 2026.
Discover carefully curated flight deals from Idaho to Kentucky that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 16, 2026.
This Delta deal was found by Cheapflights users on 6/11. 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 10/68:45 am
BOI
- BNA
1 stop8h 38m
Delta
Tue 10/136:30 pm
BNA
- BOI
1 stop6h 25m
Delta
Deal found 6/11![Delta logo]()
$201
This United Airlines deal was found by Cheapflights users on 6/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:00 am
GEG
- BNA
2 stops8h 57m
United Airlines
Mon 8/2412:37 pm
BNA
- GEG
2 stops10h 09m
United Airlines
Deal found 6/14![United Airlines logo]()
$310
This Southwest deal was found by Cheapflights users on 6/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/174:55 pm
BOI
- BNA
1 stop6h 40m
Southwest
Sun 9/205:30 am
BNA
- BOI
1 stop6h 05m
Southwest
Deal found 6/15![Southwest logo]()
$349
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 8/126:13 am
GEG
- CVG
2 stops14h 09m
Alaska Airlines
Wed 8/191:13 pm
CVG
- GEG
2 stops12h 58m
Alaska Airlines
Deal found 6/11![Alaska Airlines logo]()
$372
This American Airlines deal was found by Cheapflights users on 6/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/152:09 pm
GEG
- CVG
1 stop6h 28m
American Airlines
Tue 9/2211:50 am
CVG
- GEG
2 stops10h 49m
American Airlines
Deal found 6/15![American Airlines logo]()
$382
This Delta deal was found by Cheapflights users on 6/11. 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 8/113:29 pm
BOI
- BNA
1 stop7h 26m
Delta
Sun 8/163:54 pm
BNA
- BOI
1 stop7h 03m
Delta
Deal found 6/11![Delta logo]()
$275
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/312:47 pm
GEG
- BNA
1 stop8h 28m
Delta
Thu 7/97:34 pm
BNA
- GEG
1 stop6h 21m
Delta
Deal found 6/12![Delta logo]()
$283
This Delta deal was found by Cheapflights users on 6/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:00 pm
GEG
- BNA
1 stop8h 59m
Delta
Sun 9/277:15 am
BNA
- GEG
1 stop6h 59m
Delta
Deal found 6/13![Delta logo]()
$283
This Southwest deal was found by Cheapflights users on 6/13. 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 10/512:10 pm
GEG
- BNA
2 stops9h 05m
Southwest
Wed 10/76:35 am
BNA
- GEG
1 stop7h 30m
Southwest
Deal found 6/13![Southwest logo]()
$353
This United Airlines deal was found by Cheapflights users on 6/11. 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 9/11:37 pm
GEG
- CVG
1 stop5h 53m
United Airlines
Wed 9/23:25 pm
CVG
- GEG
1 stop8h 21m
United Airlines
Deal found 6/11![United Airlines logo]()
$361
This Delta deal was found by Cheapflights users on 6/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/91:30 pm
GEG
- BNA
1 stop7h 35m
Delta
Tue 7/147:34 pm
BNA
- GEG
1 stop6h 21m
Delta
Deal found 6/15![Delta logo]()
$283
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Tue 7/73:10 pm
BOI
- CVG
1 stop7h 20m
American Airlines
Wed 7/156:00 am
CVG
- BOI
1 stop7h 19m
American Airlines
Deal found 6/12![American Airlines logo]()
$390
This Southwest deal was found by Cheapflights users on 6/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/115:45 am
GEG
- BNA
2 stops9h 30m
Southwest
Wed 8/194:40 pm
BNA
- GEG
1 stop8h 15m
Southwest
Deal found 6/15![Southwest logo]()
$358
This Alaska Airlines deal was found by Cheapflights users on 6/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:03 am
BOI
- CVG
1 stop7h 36m
Alaska Airlines
Wed 8/266:42 pm
CVG
- BOI
1 stop7h 02m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$398
This United Airlines deal was found by Cheapflights users on 6/11. 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 8/256:30 am
BOI
- CVG
1 stop5h 53m
United Airlines
Wed 8/265:25 am
CVG
- BOI
2 stops12h 06m
United Airlines
Deal found 6/11![United Airlines logo]()
$366
This Delta deal was found by Cheapflights users on 6/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/101:30 pm
GEG
- BNA
1 stop7h 35m
Delta
Fri 7/246:45 pm
BNA
- GEG
1 stop6h 21m
Delta
Deal found 6/13![Delta logo]()
$283
This Alaska Airlines deal was found by Cheapflights users on 6/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/271:46 pm
IDA
- BNA
1 stop9h 09m
Alaska Airlines
Sat 10/317:00 am
BNA
- IDA
1 stop9h 35m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$399
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 10/261:40 pm
JAC
- BNA
1 stop8h 48m
American Airlines
Mon 11/26:24 pm
BNA
- JAC
2 stops18h 50m
American Airlines
Deal found 6/11![American Airlines logo]()
$399
This Southwest deal was found by Cheapflights users on 6/13. 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.
Sat 10/176:45 am
GEG
- BNA
2 stops7h 45m
Southwest
Mon 10/195:50 am
BNA
- GEG
1 stop5h 55m
Southwest
Deal found 6/13![Southwest logo]()
$374
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:40 am
GEG
- BNA
1 stop6h 41m
Delta
Sat 10/106:50 am
BNA
- GEG
1 stop8h 12m
Delta
Deal found 6/12![Delta logo]()
$283
This United Airlines deal was found by Cheapflights users on 6/11. 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 8/256:30 am
BOI
- TYS
1 stop7h 24m
United Airlines
Wed 8/267:00 am
TYS
- BOI
1 stop6h 28m
United Airlines
Deal found 6/11![United Airlines logo]()
$377
This Delta deal was found by Cheapflights users on 6/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:00 pm
GEG
- BNA
1 stop8h 55m
Delta
Wed 8/195:00 pm
BNA
- GEG
1 stop8h 26m
Delta
Deal found 6/15![Delta logo]()
$283
This Alaska Airlines deal was found by Cheapflights users on 6/15. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:27 am
GEG
- CVG
1 stop7h 42m
Alaska Airlines
Wed 10/218:39 am
CVG
- GEG
1 stop9h 01m
Alaska Airlines
Deal found 6/15![Alaska Airlines logo]()
$418
This United Airlines deal was found by Cheapflights users on 6/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/11:38 pm
GEG
- SDF
1 stop5h 52m
United Airlines
Mon 10/53:36 pm
SDF
- GEG
1 stop8h 13m
United Airlines
Deal found 6/13![United Airlines logo]()
$381
This American Airlines deal was found by Cheapflights users on 6/11. 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 8/16:30 am
GEG
- SDF
2 stops9h 28m
American Airlines
Wed 8/57:03 am
SDF
- GEG
1 stop7h 51m
American Airlines
Deal found 6/11![American Airlines logo]()
$423
This Southwest deal was found by Cheapflights users on 6/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:00 am
GEG
- SDF
1 stop13h 15m
Southwest
Mon 11/94:40 pm
SDF
- GEG
2 stops11h 20m
Southwest
Deal found 6/14![Southwest logo]()
$392
This United Airlines deal was found by Cheapflights users on 6/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:00 am
GEG
- TYS
2 stops8h 58m
United Airlines
Sat 8/294:50 pm
TYS
- GEG
1 stop6h 56m
United Airlines
Deal found 6/12![United Airlines logo]()
$386
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Thu 9/173:41 pm
JAC
- BNA
1 stop7h 53m
American Airlines
Mon 9/215:00 am
BNA
- JAC
1 stop6h 19m
American Airlines
Deal found 6/12![American Airlines logo]()
$431
This Southwest deal was found by Cheapflights users on 6/13. 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.
Sat 9/127:05 am
GEG
- CVG
1 stop6h 15m
Southwest
Wed 9/163:30 pm
CVG
- GEG
2 stops9h 55m
Southwest
Deal found 6/13![Southwest logo]()
$395
This Delta deal was found by Cheapflights users on 6/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/122:53 pm
BOI
- BNA
1 stop6h 23m
Delta
Thu 8/277:11 am
BNA
- BOI
1 stop9h 07m
Delta
Deal found 6/14![Delta logo]()
$311
Last-minute flights from Idaho to KentuckyDiscover last-minute flight deals from Idaho to Kentucky. Data last updated June 16, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Kentucky. Data last updated June 16, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/235:20 am
GEG
- BNA
1 stop6h 24m
Delta
Sun 6/285:20 pm
BNA
- GEG
1 stop8h 35m
Delta
Deal found 6/15![Delta logo]()
$331
This Trip.com deal was found by Cheapflights users on 6/15. 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.
Mon 6/2912:31 pm
GEG
- BNA
1 stop20h 53m
Frontier
Thu 7/212:09 pm
BNA
- GEG
1 stop25h 27m
Frontier
Deal found 6/15![Frontier logo]()
$330
This Gotogate deal was found by Cheapflights users on 6/12. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/34:27 pm
BOI
- BNA
1 stop12h 13m
Multiple Airlines
Sat 7/1112:17 pm
BNA
- BOI
1 stop25h 12m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$289
This Delta deal was found by Cheapflights users on 6/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/33:05 pm
BOI
- BNA
1 stop7h 54m
Delta
Fri 7/106:00 am
BNA
- BOI
1 stop8h 44m
Delta
Deal found 6/14![Delta logo]()
$326
This Southwest deal was found by Cheapflights users on 6/13. 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.
Sat 7/45:15 am
GEG
- BNA
2 stops8h 55m
Southwest
Sun 7/55:15 am
BNA
- GEG
1 stop5h 50m
Southwest
Deal found 6/13![Southwest logo]()
$298
This American Airlines deal was found by Cheapflights users on 6/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/93:54 pm
BOI
- BNA
1 stop6h 34m
American Airlines
Sun 7/126:01 am
BNA
- BOI
1 stop6h 18m
American Airlines
Deal found 6/15![American Airlines logo]()
$334
This Delta deal was found by Cheapflights users on 6/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/1010:48 pm
GEG
- BNA
1 stop7h 53m
Delta
Fri 7/246:45 pm
BNA
- GEG
1 stop6h 21m
Delta
Deal found 6/15![Delta logo]()
$283
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1611:10 pm
BOI
- BNA
1 stop7h 28m
Delta
Wed 7/226:00 am
BNA
- BOI
1 stop5h 57m
Delta
Deal found 6/12![Delta logo]()
$311
This American Airlines deal was found by Cheapflights users on 6/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/163:54 pm
BOI
- BNA
1 stop6h 34m
American Airlines
Wed 7/228:01 am
BNA
- BOI
2 stops9h 49m
American Airlines
Deal found 6/15![American Airlines logo]()
$331
This Delta deal was found by Cheapflights users on 6/16. 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.
Tue 7/2110:48 pm
GEG
- BNA
1 stop7h 53m
Delta
Tue 7/287:00 am
BNA
- GEG
1 stop7h 11m
Delta
Deal found 6/16![Delta logo]()
$326
This Southwest deal was found by Cheapflights users on 6/11. 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 7/296:00 am
BOI
- BNA
1 stop7h 40m
Southwest
Wed 8/56:20 am
BNA
- BOI
1 stop8h 20m
Southwest
Deal found 6/11![Southwest logo]()
$303
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3011:10 pm
BOI
- BNA
1 stop7h 28m
Delta
Mon 8/37:39 pm
BNA
- BOI
1 stop5h 20m
Delta
Deal found 6/12![Delta logo]()
$319
One-way flights from Idaho to KentuckySearch for one-way flight options from Idaho to Kentucky. Find affordable one-way fares based on user searches. Data last updated June 16, 2026.
Search for one-way flight options from Idaho to Kentucky. Find affordable one-way fares based on user searches. Data last updated June 16, 2026.
This Delta deal was found by Cheapflights users on 6/11. 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 10/131:15 pm
BOI
- BNA
1 stop8h 00m
Delta
Deal found 6/11![Delta logo]()
$101
This Delta deal was found by Cheapflights users on 6/11. 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 8/2410:56 pm
GEG
- BNA
1 stop9h 06m
Delta
Deal found 6/11![Delta logo]()
$113
This Frontier deal was found by Cheapflights users on 6/15. 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.
Tue 10/1312:23 pm
BOI
- BNA
1 stop5h 24m
Frontier
Deal found 6/15![Frontier logo]()
$120
This Priceline deal was found by Cheapflights users on 6/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2012:23 pm
BOI
- BNA
1 stop5h 24m
Frontier
Deal found 6/12![Frontier logo]()
$125
This Delta deal was found by Cheapflights users on 6/11. 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 9/151:25 pm
GEG
- CVG
1 stop6h 17m
Delta
Deal found 6/11![Delta logo]()
$131
This Southwest deal was found by Cheapflights users on 6/11. 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 9/157:05 am
BOI
- CVG
2 stops9h 30m
Southwest
Deal found 6/11![Southwest logo]()
$137
This Delta deal was found by Cheapflights users on 6/16. 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.
Sat 8/221:20 pm
GEG
- BNA
1 stop7h 30m
Delta
Deal found 6/16![Delta logo]()
$142
This Delta deal was found by Cheapflights users on 6/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1411:53 am
BOI
- BNA
1 stop5h 20m
Delta
Deal found 6/14![Delta logo]()
$152
This Booking.com deal was found by Cheapflights users on 6/11. 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.
Tue 9/1512:59 pm
BOI
- CVG
1 stop20h 21m
Frontier
Deal found 6/11![Frontier logo]()
$157
This Delta deal was found by Cheapflights users on 6/11. 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 10/83:22 pm
BOI
- BNA
1 stop5h 44m
Delta
Deal found 6/11![Delta logo]()
$160
This American Airlines deal was found by Cheapflights users on 6/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/234:15 pm
JAC
- BNA
1 stop6h 13m
American Airlines
Deal found 6/15![American Airlines logo]()
$166
This United Airlines deal was found by Cheapflights users on 6/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/305:00 am
GEG
- BNA
1 stop6h 33m
United Airlines
Deal found 6/15![United Airlines logo]()
$166
Find flight deals from Idaho to Kentucky
Keep the following information in mind while searching for Idaho to Kentucky flight deals. Data was last updated June 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $201 (Delta) |
One-way from | $101 (Delta) |
Popular in | March |
Cheapest in | August |
Average price | $520 |
Cheapflights Fare Finder
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 June 16, 2026.
Use the filters below to find and compare flights from Idaho to Kentucky that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BoiseNashville
BOI - BNA
BOIBNA
Boise Air Term. Gowen Fld
Tue 10/6
8:45 am-6:23 pm
1 stop8h 38m
Nashville Intl
Tue 10/13
6:30 pm-11:55 pm
1 stop6h 25m
$201
BoiseNashville
BOI - BNA
BOIBNA
Boise Air Term. Gowen Fld
Tue 8/11
3:29 pm-11:55 pm
1 stop7h 26m
Nashville Intl
Sun 8/16
3:54 pm-9:57 pm
1 stop7h 03m
$275
SpokaneNashville
GEG - BNA
GEGBNA
Spokane
Fri 7/3
12:47 pm-11:15 pm
1 stop8h 28m
Nashville Intl
Thu 7/9
7:34 pm-11:55 pm
1 stop6h 21m
$283
SpokaneNashville
GEG - BNA
GEGBNA
Spokane
Thu 9/24
1:00 pm-11:59 pm
1 stop8h 59m
Nashville Intl
Sun 9/27
7:15 am-12:14 pm
1 stop6h 59m
$283
SpokaneNashville
GEG - BNA
GEGBNA
Spokane
Thu 7/9
1:30 pm-11:05 pm
1 stop7h 35m
Nashville Intl
Tue 7/14
7:34 pm-11:55 pm
1 stop6h 21m
$283
SpokaneNashville
GEG - BNA
GEGBNA
Spokane
Fri 7/10
1:30 pm-11:05 pm
1 stop7h 35m
Nashville Intl
Fri 7/24
6:45 pm-11:06 pm
1 stop6h 21m
$283
SpokaneNashville
GEG - BNA
GEGBNA
Spokane
Sat 10/3
5:40 am-2:21 pm
1 stop6h 41m
Nashville Intl
Sat 10/10
6:50 am-1:02 pm
1 stop8h 12m
$283
SpokaneNashville
GEG - BNA
GEGBNA
Spokane
Tue 8/11
1:00 pm-11:55 pm
1 stop8h 55m
Nashville Intl
Wed 8/19
5:00 pm-11:26 pm
1 stop8h 26m
$283
SpokaneNashville
GEG - BNA
GEGBNA
Spokane
Sat 8/22
5:00 am-3:57 pm
2 stops8h 57m
Nashville Intl
Mon 8/24
12:37 pm-8:46 pm
2 stops10h 09m
$310
BoiseNashville
BOI - BNA
BOIBNA
Boise Air Term. Gowen Fld
Wed 8/12
2:53 pm-10:16 pm
1 stop6h 23m
Nashville Intl
Thu 8/27
7:11 am-3:18 pm
1 stop9h 07m
$311
Showing 1-10 of 60 resultsSorted by cheapest first
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.
GEG-BNA
BOI-CVG
BOI-BNA
GEG-SDF
GEG-CVG
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 Idaho to Kentucky
USID-USKY
GEG-BNA
BOI-CVG
BOI-BNA
GEG-SDF
What is the cheapest month to book a flight from Idaho to Kentucky?
Currently, August is the cheapest month in which you can book a flight from Idaho to Kentucky (average of $280). Flying from Idaho to Kentucky in December is currently the most expensive (average of $434). 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 Idaho to Kentucky?
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 June 16, 2026.
Read through reviews of airlines operating flights from Idaho to Kentucky, such as Southwest,Delta, andUnited Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Entertainment
7.5
Overall
7.9
Food
7.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.5
Overall
7.9
Food
7.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.5
Overall
7.9
Food
7.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.5
Overall
7.9
Food
7.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Crew
8.6
Entertainment
7.5
Overall
7.9
Food
7.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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Top destinations
Alternative routes for Idaho to Kentucky
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Kentucky by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Idaho to Kentucky by cabin class
Find flights from Idaho to Kentucky, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Idaho and Kentucky flights
Browse other Idaho and Kentucky flight options. Last updated on June 16, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Kentucky
Find the right flight back to Idaho after your stay in Kentucky
Idaho to Kentucky flights
Consider these flights traveling from Idaho to Kentucky.
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 June 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$268 | Average$510 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$268 | Average$499 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$329 | Average$440 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$372 | Average$507 | FlexibilityNo cancel fee | On-time63% |