$119+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SDF
Sep 3 — Sep 101
Round-trip
1 adult, Economy
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Find cheap flights from Idaho to Kentucky with Cheapflights
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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 August 4, 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 August 4, 2026.
This United Airlines deal was found by Cheapflights users on 8/2. 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 8/2710:31 am
BOI
- BNA
1 stop5h 59m
United Airlines
Sun 8/305:27 pm
BNA
- BOI
1 stop6h 13m
United Airlines
Deal found 8/2![United Airlines logo]()
$237
This United Airlines deal was found by Cheapflights users on 7/30. 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 8/205:00 am
GEG
- BNA
1 stop6h 37m
United Airlines
Mon 8/242:45 pm
BNA
- GEG
1 stop8h 01m
United Airlines
Deal found 7/30![United Airlines logo]()
$237
This CheapOair deal was found by Cheapflights users on 8/2. 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.
Thu 8/2712:24 pm
BOI
- BNA
1 stop22h 46m
Frontier
Mon 8/3112:55 pm
BNA
- BOI
1 stop24h 34m
Frontier
Deal found 8/2![Frontier logo]()
$238
This American Airlines deal was found by Cheapflights users on 8/1. 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 8/251:55 pm
BOI
- BNA
2 stops8h 32m
American Airlines
Thu 8/273:38 pm
BNA
- BOI
1 stop7h 33m
American Airlines
Deal found 8/1![American Airlines logo]()
$242
This Delta deal was found by Cheapflights users on 8/3. 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 8/241:00 pm
GEG
- BNA
1 stop8h 55m
Delta
Sun 8/305:20 pm
BNA
- GEG
1 stop8h 39m
Delta
Deal found 8/3![Delta logo]()
$247
This American Airlines deal was found by Cheapflights users on 8/1. 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 8/195:20 am
GEG
- CVG
1 stop8h 30m
American Airlines
Wed 8/261:46 pm
CVG
- GEG
1 stop9h 56m
American Airlines
Deal found 8/1![American Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 8/2. 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 8/201:00 pm
GEG
- BNA
1 stop8h 55m
Delta
Mon 8/245:20 pm
BNA
- GEG
1 stop8h 39m
Delta
Deal found 8/2![Delta logo]()
$267
This CheapOair deal was found by Cheapflights users on 7/30. 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.
Thu 9/172:50 pm
BOI
- BNA
1 stop21h 30m
Frontier
Sun 9/201:49 pm
BNA
- BOI
1 stop25h 06m
Frontier
Deal found 7/30![Frontier logo]()
$269
This United Airlines deal was found by Cheapflights users on 8/2. 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.
Fri 8/285:00 am
BOI
- BNA
2 stops9h 57m
United Airlines
Sun 8/305:27 pm
BNA
- BOI
1 stop6h 13m
United Airlines
Deal found 8/2![United Airlines logo]()
$272
This United Airlines deal was found by Cheapflights users on 8/2. 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 8/308:15 am
BOI
- BNA
1 stop8h 10m
United Airlines
Sun 9/68:15 am
BNA
- BOI
1 stop8h 16m
United Airlines
Deal found 8/2![United Airlines logo]()
$275
This United Airlines deal was found by Cheapflights users on 7/30. 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 8/295:00 am
GEG
- BNA
1 stop6h 37m
United Airlines
Wed 9/22:45 pm
BNA
- GEG
1 stop8h 01m
United Airlines
Deal found 7/30![United Airlines logo]()
$275
This American Airlines deal was found by Cheapflights users on 8/2. 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.
Fri 8/212:49 pm
BOI
- CVG
1 stop6h 33m
American Airlines
Tue 8/258:00 am
CVG
- BOI
1 stop7h 24m
American Airlines
Deal found 8/2![American Airlines logo]()
$277
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 August 4, 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 August 4, 2026.
This Delta deal was found by Cheapflights users on 8/3. 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 8/241:00 pm
GEG
- BNA
1 stop8h 55m
Delta
Sun 8/305:20 pm
BNA
- GEG
1 stop8h 39m
Delta
Deal found 8/3![Delta logo]()
$247
This United Airlines deal was found by Cheapflights users on 8/2. 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.
Fri 8/285:00 am
BOI
- BNA
2 stops9h 57m
United Airlines
Sun 8/305:27 pm
BNA
- BOI
1 stop6h 13m
United Airlines
Deal found 8/2![United Airlines logo]()
$272
This Southwest deal was found by Cheapflights users on 8/1. 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 11/311:25 am
BOI
- BNA
1 stop7h 15m
Southwest
Wed 11/116:00 am
BNA
- BOI
1 stop7h 05m
Southwest
Deal found 8/1![Southwest logo]()
$313
This Alaska Airlines deal was found by Cheapflights users on 8/3. 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 9/291:36 pm
GEG
- BNA
1 stop8h 23m
Alaska Airlines
Sat 10/35:01 pm
BNA
- GEG
1 stop7h 52m
Alaska Airlines
Deal found 8/3![Alaska Airlines logo]()
$330
This American Airlines deal was found by Cheapflights users on 7/30. 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 11/116:00 am
GEG
- CVG
1 stop9h 24m
American Airlines
Mon 11/168:48 am
CVG
- GEG
1 stop7h 36m
American Airlines
Deal found 7/30![American Airlines logo]()
$333
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:33 pm
IDA
- BNA
2 stops17h 37m
Multiple Airlines
Thu 8/272:41 pm
BNA
- IDA
1 stop20h 41m
Multiple Airlines
Deal found 8/2![Multiple Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 8/2. 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 8/201:00 pm
GEG
- BNA
1 stop8h 55m
Delta
Mon 8/245:20 pm
BNA
- GEG
1 stop8h 39m
Delta
Deal found 8/2![Delta logo]()
$267
This Southwest deal was found by Cheapflights users on 7/30. 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 12/85:40 am
GEG
- BNA
1 stop8h 55m
Southwest
Mon 12/141:00 pm
BNA
- GEG
2 stops8h 50m
Southwest
Deal found 7/30![Southwest logo]()
$318
This United Airlines deal was found by Cheapflights users on 8/1. 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 8/306:30 am
BOI
- CVG
1 stop5h 53m
United Airlines
Sun 9/64:15 pm
CVG
- BOI
1 stop8h 38m
United Airlines
Deal found 8/1![United Airlines logo]()
$319
This Alaska Airlines deal was found by Cheapflights users on 8/3. 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 8/276:23 am
BOI
- CVG
1 stop9h 16m
Alaska Airlines
Mon 8/316:42 pm
CVG
- BOI
1 stop7h 02m
Alaska Airlines
Deal found 8/3![Alaska Airlines logo]()
$333
This Delta deal was found by Cheapflights users on 8/1. 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 8/171:00 pm
GEG
- BNA
1 stop8h 55m
Delta
Thu 8/206:00 am
BNA
- GEG
1 stop8h 57m
Delta
Deal found 8/1![Delta logo]()
$306
This Southwest deal was found by Cheapflights users on 8/3. 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 10/16:50 pm
BOI
- BNA
2 stops9h 10m
Southwest
Wed 10/75:55 am
BNA
- BOI
1 stop5h 50m
Southwest
Deal found 8/3![Southwest logo]()
$326
This United Airlines deal was found by Cheapflights users on 8/2. 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 10/2812:37 pm
BOI
- BNA
1 stop8h 13m
United Airlines
Sun 11/16:00 am
BNA
- BOI
1 stop6h 30m
United Airlines
Deal found 8/2![United Airlines logo]()
$336
This American Airlines deal was found by Cheapflights users on 8/3. 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.
Fri 9/111:50 pm
BOI
- CVG
1 stop7h 35m
American Airlines
Sat 9/196:00 am
CVG
- BOI
1 stop9h 00m
American Airlines
Deal found 8/3![American Airlines logo]()
$375
This Delta deal was found by Cheapflights users on 8/1. 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 9/512:36 pm
GEG
- TYS
1 stop7h 03m
Delta
Fri 9/115:40 am
TYS
- GEG
1 stop8h 06m
Delta
Deal found 8/1![Delta logo]()
$311
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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 1/209:14 am
GEG
- CVG
1 stop8h 10m
Alaska Airlines
Thu 1/218:30 am
CVG
- GEG
1 stop7h 00m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$366
This United Airlines deal was found by Cheapflights users on 7/30. 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 8/272:44 pm
BOI
- CVG
1 stop5h 46m
United Airlines
Thu 9/37:00 am
CVG
- BOI
1 stop6h 28m
United Airlines
Deal found 7/30![United Airlines logo]()
$338
This Delta deal was found by Cheapflights users on 8/2. 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 10/213:36 pm
BOI
- BNA
1 stop7h 23m
Delta
Sat 10/318:05 am
BNA
- BOI
1 stop6h 29m
Delta
Deal found 8/2![Delta logo]()
$313
This Southwest deal was found by Cheapflights users on 7/31. 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 10/16:50 pm
BOI
- BNA
2 stops9h 10m
Southwest
Thu 10/85:15 am
BNA
- BOI
1 stop7h 05m
Southwest
Deal found 7/31![Southwest logo]()
$352
This American Airlines deal was found by Cheapflights users on 8/4. 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 9/92:19 pm
GEG
- CVG
1 stop7h 22m
American Airlines
Tue 9/1511:50 am
CVG
- GEG
2 stops10h 49m
American Airlines
Deal found 8/4![American Airlines logo]()
$393
This Delta deal was found by Cheapflights users on 8/2. 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 10/203:36 pm
BOI
- BNA
1 stop7h 23m
Delta
Tue 10/276:00 am
BNA
- BOI
1 stop7h 35m
Delta
Deal found 8/2![Delta logo]()
$313
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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 10/291:58 pm
IDA
- BNA
1 stop9h 01m
Alaska Airlines
Mon 11/24:47 pm
BNA
- IDA
1 stop21h 29m
Alaska Airlines
Deal found 7/30![Alaska Airlines logo]()
$381
This United Airlines deal was found by Cheapflights users on 8/2. 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 8/205:00 am
GEG
- BNA
1 stop6h 37m
United Airlines
Mon 8/242:45 pm
BNA
- GEG
2 stops9h 51m
United Airlines
Deal found 8/2![United Airlines logo]()
$350
This Southwest deal was found by Cheapflights users on 8/3. 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 9/15:45 am
GEG
- BNA
2 stops9h 30m
Southwest
Wed 9/92:50 pm
BNA
- GEG
2 stops10h 10m
Southwest
Deal found 8/3![Southwest logo]()
$356
This American Airlines deal was found by Cheapflights users on 8/1. 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 9/173:21 pm
BOI
- CVG
1 stop7h 20m
American Airlines
Tue 9/2211:50 am
CVG
- BOI
2 stops12h 13m
American Airlines
Deal found 8/1![American Airlines logo]()
$394
This Delta deal was found by Cheapflights users on 8/2. 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 11/271:40 pm
GEG
- BNA
1 stop6h 28m
Delta
Tue 12/17:15 am
BNA
- GEG
1 stop7h 14m
Delta
Deal found 8/2![Delta logo]()
$313
This United Airlines deal was found by Cheapflights users on 8/1. 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 9/910:31 am
BOI
- TYS
2 stops10h 18m
United Airlines
Tue 9/154:50 pm
TYS
- BOI
1 stop6h 55m
United Airlines
Deal found 8/1![United Airlines logo]()
$352
This Southwest deal was found by Cheapflights users on 7/30. 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 9/86:15 am
GEG
- CVG
2 stops9h 20m
Southwest
Thu 9/107:00 pm
CVG
- GEG
1 stop6h 45m
Southwest
Deal found 7/30![Southwest logo]()
$361
This American Airlines deal was found by Cheapflights users on 8/3. 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 9/231:52 pm
BOI
- CVG
2 stops8h 49m
American Airlines
Wed 9/301:12 pm
CVG
- BOI
2 stops10h 51m
American Airlines
Deal found 8/3![American Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 8/3. 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 9/17:05 am
GEG
- BNA
1 stop6h 48m
Delta
Wed 9/97:00 am
BNA
- GEG
1 stop7h 20m
Delta
Deal found 8/3![Delta logo]()
$313
Last-minute flights from Idaho to KentuckyDiscover last-minute flight deals from Idaho to Kentucky. Data last updated August 4, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Kentucky. Data last updated August 4, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/1. 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 8/195:20 am
GEG
- CVG
1 stop8h 30m
American Airlines
Wed 8/261:46 pm
CVG
- GEG
1 stop9h 56m
American Airlines
Deal found 8/1![American Airlines logo]()
$257
This United Airlines deal was found by Cheapflights users on 7/30. 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 8/205:00 am
GEG
- BNA
1 stop6h 37m
United Airlines
Mon 8/242:45 pm
BNA
- GEG
1 stop8h 01m
United Airlines
Deal found 7/30![United Airlines logo]()
$237
This Delta deal was found by Cheapflights users on 8/2. 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 8/201:00 pm
GEG
- BNA
1 stop8h 55m
Delta
Mon 8/245:20 pm
BNA
- GEG
1 stop8h 39m
Delta
Deal found 8/2![Delta logo]()
$267
This Delta deal was found by Cheapflights users on 8/3. 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 8/241:00 pm
GEG
- BNA
1 stop8h 55m
Delta
Sun 8/305:20 pm
BNA
- GEG
1 stop8h 39m
Delta
Deal found 8/3![Delta logo]()
$247
This American Airlines deal was found by Cheapflights users on 8/1. 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 8/251:55 pm
BOI
- BNA
2 stops8h 32m
American Airlines
Thu 8/273:38 pm
BNA
- BOI
1 stop7h 33m
American Airlines
Deal found 8/1![American Airlines logo]()
$242
This Frontier deal was found by Cheapflights users on 8/4. 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 8/2712:24 pm
BOI
- BNA
1 stop22h 46m
Frontier
Wed 9/212:55 pm
BNA
- BOI
1 stop23h 34m
Frontier
Deal found 8/4![Frontier logo]()
$222
This United Airlines deal was found by Cheapflights users on 8/2. 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 8/2710:31 am
BOI
- BNA
1 stop5h 59m
United Airlines
Sun 8/305:27 pm
BNA
- BOI
1 stop6h 13m
United Airlines
Deal found 8/2![United Airlines logo]()
$237
This CheapOair deal was found by Cheapflights users on 8/2. 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.
Thu 8/2712:24 pm
BOI
- BNA
1 stop22h 46m
Frontier
Mon 8/3112:55 pm
BNA
- BOI
1 stop24h 34m
Frontier
Deal found 8/2![Frontier logo]()
$238
This United Airlines deal was found by Cheapflights users on 8/2. 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.
Fri 8/285:00 am
BOI
- BNA
2 stops9h 57m
United Airlines
Sun 8/305:27 pm
BNA
- BOI
1 stop6h 13m
United Airlines
Deal found 8/2![United Airlines logo]()
$272
This United Airlines deal was found by Cheapflights users on 7/30. 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 8/295:00 am
GEG
- BNA
1 stop6h 37m
United Airlines
Wed 9/22:45 pm
BNA
- GEG
1 stop8h 01m
United Airlines
Deal found 7/30![United Airlines logo]()
$275
This United Airlines deal was found by Cheapflights users on 8/2. 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 8/308:15 am
BOI
- BNA
1 stop8h 10m
United Airlines
Sun 9/68:15 am
BNA
- BOI
1 stop8h 16m
United Airlines
Deal found 8/2![United Airlines logo]()
$275
This CheapOair deal was found by Cheapflights users on 7/30. 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.
Thu 9/172:50 pm
BOI
- BNA
1 stop21h 30m
Frontier
Sun 9/201:49 pm
BNA
- BOI
1 stop25h 06m
Frontier
Deal found 7/30![Frontier logo]()
$269
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 August 4, 2026.
Search for one-way flight options from Idaho to Kentucky. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
This American Airlines deal was found by Cheapflights users on 8/3. 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 8/2712:12 pm
BOI
- BNA
1 stop8h 28m
American Airlines
Deal found 8/3![American Airlines logo]()
$119
This Southwest deal was found by Cheapflights users on 8/3. 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 8/245:10 pm
GEG
- BNA
1 stop9h 55m
Southwest
Deal found 8/3![Southwest logo]()
$119
This Delta deal was found by Cheapflights users on 8/4. 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 8/271:00 pm
GEG
- BNA
1 stop8h 55m
Delta
Deal found 8/4![Delta logo]()
$124
This deal was found by Cheapflights users on 8/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/219:25 am
GEG
- CVG
1 stop6h 39m
Delta
Deal found 8/1![Delta logo]()
$134
This United Airlines deal was found by Cheapflights users on 8/1. 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 8/3012:24 pm
BOI
- CVG
1 stop6h 19m
United Airlines
Deal found 8/1![United Airlines logo]()
$139
This Delta deal was found by Cheapflights users on 8/4. 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 8/227:05 am
GEG
- BNA
1 stop6h 48m
Delta
Deal found 8/4![Delta logo]()
$144
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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.
Mon 8/246:21 pm
GEG
- BNA
1 stop9h 16m
Alaska Airlines
Deal found 7/31![Alaska Airlines logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/142:50 pm
BOI
- CVG
1 stop13h 57m
Frontier
Deal found 7/31![Frontier logo]()
$150
This CheapOair deal was found by Cheapflights users on 7/31. 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.
Thu 9/242:50 pm
BOI
- BNA
1 stop21h 14m
Frontier
Deal found 7/31![Frontier logo]()
$150
This United Airlines deal was found by Cheapflights users on 8/1. 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.
Fri 12/251:52 pm
GEG
- BNA
1 stop6h 08m
United Airlines
Deal found 8/1![United Airlines logo]()
$152
This United Airlines deal was found by Cheapflights users on 7/30. 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 8/305:00 am
BOI
- BNA
2 stops9h 57m
United Airlines
Deal found 7/30![United Airlines logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 9/132:50 pm
BOI
- CVG
1 stop13h 57m
Frontier
Deal found 7/31![Frontier logo]()
$156
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 August 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $237 (American Airlines) |
One-way from | $119 (United Airlines) |
Popular in | October |
Cheapest in | January |
Average price | $436 |
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 August 4, 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
SpokaneNashville
GEG - BNA
GEGBNA
Spokane
Mon 8/24
1:00 pm-11:55 pm
1 stop8h 55m
Nashville Intl
Sun 8/30
5:20 pm-11:59 pm
1 stop8h 39m
$247
SpokaneNashville
GEG - BNA
GEGBNA
Spokane
Thu 8/20
1:00 pm-11:55 pm
1 stop8h 55m
Nashville Intl
Mon 8/24
5:20 pm-11:59 pm
1 stop8h 39m
$267
BoiseNashville
BOI - BNA
BOIBNA
Boise Air Term. Gowen Fld
Fri 8/28
5:00 am-3:57 pm
2 stops9h 57m
Nashville Intl
Sun 8/30
5:27 pm-10:40 pm
1 stop6h 13m
$272
SpokaneNashville
GEG - BNA
GEGBNA
Spokane
Mon 8/17
1:00 pm-11:55 pm
1 stop8h 55m
Nashville Intl
Thu 8/20
6:00 am-12:57 pm
1 stop8h 57m
$306
SpokaneKnoxville
GEG - TYS
GEGTYS
Spokane
Sat 9/5
12:36 pm-10:39 pm
1 stop7h 03m
Knoxville McGhee Tyson
Fri 9/11
5:40 am-10:46 am
1 stop8h 06m
$311
BoiseNashville
BOI - BNA
BOIBNA
Boise Air Term. Gowen Fld
Tue 11/3
11:25 am-7:40 pm
1 stop7h 15m
Nashville Intl
Wed 11/11
6:00 am-12:05 pm
1 stop7h 05m
$313
BoiseNashville
BOI - BNA
BOIBNA
Boise Air Term. Gowen Fld
Wed 10/21
3:36 pm-11:59 pm
1 stop7h 23m
Nashville Intl
Sat 10/31
8:05 am-1:34 pm
1 stop6h 29m
$313
BoiseNashville
BOI - BNA
BOIBNA
Boise Air Term. Gowen Fld
Tue 10/20
3:36 pm-11:59 pm
1 stop7h 23m
Nashville Intl
Tue 10/27
6:00 am-12:35 pm
1 stop7h 35m
$313
SpokaneNashville
GEG - BNA
GEGBNA
Spokane
Fri 11/27
1:40 pm-10:08 pm
1 stop6h 28m
Nashville Intl
Tue 12/1
7:15 am-12:29 pm
1 stop7h 14m
$313
SpokaneNashville
GEG - BNA
GEGBNA
Spokane
Tue 9/1
7:05 am-3:53 pm
1 stop6h 48m
Nashville Intl
Wed 9/9
7:00 am-12:20 pm
1 stop7h 20m
$313
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.
BOI-BNA
GEG-BNA
GEG-CVG
BOI-CVG
IDA-BNA
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
BOI-BNA
GEG-BNA
GEG-CVG
BOI-CVG
What is the cheapest month to book a flight from Idaho to Kentucky?
Currently, October is the cheapest month in which you can book a flight from Idaho to Kentucky (average of $430). Flying from Idaho to Kentucky in March is currently the most expensive (average of $833). 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.
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 August 4, 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.
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Food
7.0
Overall
8.0
Crew
8.6
Entertainment
7.5
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
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.
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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 August 4, 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 August 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$268 | Average$499 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$268 | Average$511 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$329 | Average$456 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$372 | Average$524 | FlexibilityNo cancel fee | On-time63% |