$149+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — SDF
Apr 16 — Apr 231
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 March 17, 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 March 17, 2026.
This CheapOair deal was found by Cheapflights users on 3/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/51:22 pm
BOI
- BNA
1 stop28h 00m
Frontier
Sat 5/97:08 pm
BNA
- BOI
1 stop18h 19m
Frontier
Deal found 3/16![Frontier logo]()
$241
This CheapOair deal was found by Cheapflights users on 3/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/812:33 pm
GEG
- BNA
1 stop27h 40m
Frontier
Tue 5/127:17 pm
BNA
- GEG
1 stop18h 21m
Frontier
Deal found 3/13![Frontier logo]()
$242
This American Airlines deal was found by Cheapflights users on 3/12. 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 4/141:22 pm
GEG
- CVG
1 stop7h 05m
American Airlines
Sat 4/187:36 am
CVG
- GEG
1 stop7h 56m
American Airlines
Deal found 3/12![American Airlines logo]()
$277
This Flightnetwork deal was found by Cheapflights users on 3/12. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/241:25 pm
BOI
- TYS
1 stop28h 08m
Frontier
Mon 6/18:32 pm
TYS
- BOI
1 stop17h 58m
Frontier
Deal found 3/12![Frontier logo]()
$280
This Gotogate deal was found by Cheapflights users on 3/12. 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.
Thu 5/281:25 pm
BOI
- TYS
1 stop28h 08m
Frontier
Mon 6/18:32 pm
TYS
- BOI
1 stop17h 58m
Frontier
Deal found 3/12![Frontier logo]()
$290
This Mytrip deal was found by Cheapflights users on 3/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2912:33 pm
GEG
- BNA
1 stop29h 02m
Frontier
Sun 5/3110:40 am
BNA
- GEG
1 stop26h 58m
Frontier
Deal found 3/13![Frontier logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/21:25 pm
BOI
- TYS
1 stop28h 08m
Frontier
Wed 6/108:08 pm
TYS
- BOI
1 stop17h 08m
Frontier
Deal found 3/12![Frontier logo]()
$295
This Delta deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:15 am
GEG
- BNA
1 stop6h 48m
Delta
Wed 5/67:20 pm
BNA
- GEG
1 stop6h 14m
Delta
Deal found 3/17![Delta logo]()
$297
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Tue 4/147:00 am
GEG
- CVG
2 stops12h 30m
United Airlines
Sat 4/183:26 pm
CVG
- GEG
1 stop8h 45m
United Airlines
Deal found 3/12![United Airlines logo]()
$300
This Delta deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/266:15 am
GEG
- BNA
1 stop15h 44m
Delta
Wed 5/67:20 pm
BNA
- GEG
1 stop6h 14m
Delta
Deal found 3/17![Delta logo]()
$302
This Delta deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/282:10 pm
GEG
- BNA
1 stop6h 42m
Delta
Thu 5/77:27 pm
BNA
- GEG
1 stop6h 08m
Delta
Deal found 3/17![Delta logo]()
$304
This Delta deal was found by Cheapflights users on 3/14. 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.
Mon 4/208:59 am
BOI
- CVG
1 stop8h 01m
Delta
Tue 4/286:30 am
CVG
- BOI
1 stop17h 54m
Delta
Deal found 3/14![Delta logo]()
$305
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 March 17, 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 March 17, 2026.
This American Airlines deal was found by Cheapflights users on 3/12. 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 4/141:22 pm
GEG
- CVG
1 stop7h 05m
American Airlines
Sat 4/187:36 am
CVG
- GEG
1 stop7h 56m
American Airlines
Deal found 3/12![American Airlines logo]()
$277
This Delta deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:20 am
GEG
- BNA
1 stop8h 58m
Delta
Tue 5/54:58 pm
BNA
- GEG
1 stop8h 17m
Delta
Deal found 3/17![Delta logo]()
$297
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Tue 4/147:00 am
GEG
- CVG
2 stops12h 30m
United Airlines
Sat 4/183:26 pm
CVG
- GEG
1 stop8h 45m
United Airlines
Deal found 3/12![United Airlines logo]()
$300
This Southwest deal was found by Cheapflights users on 3/15. 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.
Sat 4/252:25 pm
GEG
- BNA
1 stop7h 45m
Southwest
Wed 4/296:15 am
BNA
- GEG
2 stops9h 30m
Southwest
Deal found 3/15![Southwest logo]()
$302
This Alaska Airlines deal was found by Cheapflights users on 3/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/94:03 pm
IDA
- BNA
1 stop12h 39m
Alaska Airlines
Wed 9/167:00 am
BNA
- IDA
1 stop9h 29m
Alaska Airlines
Deal found 3/14![Alaska Airlines logo]()
$374
This Delta deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/266:15 am
GEG
- BNA
1 stop15h 44m
Delta
Wed 5/67:20 pm
BNA
- GEG
1 stop6h 14m
Delta
Deal found 3/17![Delta logo]()
$302
This Southwest deal was found by Cheapflights users on 3/14. 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.
Tue 4/142:25 pm
GEG
- BNA
1 stop6h 40m
Southwest
Mon 4/204:20 pm
BNA
- GEG
2 stops10h 15m
Southwest
Deal found 3/14![Southwest logo]()
$309
This Delta deal was found by Cheapflights users on 3/16. 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.
Mon 4/208:40 pm
BOI
- CVG
2 stops11h 48m
Delta
Tue 4/286:30 am
CVG
- BOI
1 stop8h 42m
Delta
Deal found 3/16![Delta logo]()
$310
This United Airlines deal was found by Cheapflights users on 3/15. 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.
Thu 8/202:30 pm
IDA
- BNA
1 stop5h 39m
United Airlines
Mon 8/248:00 am
BNA
- IDA
1 stop6h 24m
United Airlines
Deal found 3/15![United Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 3/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:55 pm
BOI
- BNA
1 stop8h 05m
Southwest
Sat 4/255:25 am
BNA
- BOI
1 stop6h 00m
Southwest
Deal found 3/12![Southwest logo]()
$338
This Delta deal was found by Cheapflights users on 3/16. 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.
Thu 5/281:30 pm
GEG
- BNA
1 stop7h 15m
Delta
Mon 6/17:27 pm
BNA
- GEG
1 stop6h 08m
Delta
Deal found 3/16![Delta logo]()
$311
This American Airlines deal was found by Cheapflights users on 3/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/21:00 pm
IDA
- BNA
2 stops10h 21m
American Airlines
Wed 9/95:34 am
BNA
- IDA
1 stop7h 38m
American Airlines
Deal found 3/13![American Airlines logo]()
$379
This Alaska Airlines deal was found by Cheapflights users on 3/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:00 am
BOI
- BNA
1 stop22h 40m
Alaska Airlines
Wed 4/155:21 pm
BNA
- BOI
1 stop16h 54m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 3/16. 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 5/510:41 am
BOI
- BNA
2 stops9h 45m
Delta
Sat 5/97:00 am
BNA
- BOI
1 stop8h 43m
Delta
Deal found 3/16![Delta logo]()
$312
This Southwest deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/85:00 pm
BOI
- BNA
2 stops10h 30m
Southwest
Tue 4/148:15 am
BNA
- BOI
2 stops8h 10m
Southwest
Deal found 3/17![Southwest logo]()
$371
This Delta deal was found by Cheapflights users on 3/13. 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.
Wed 4/223:44 pm
BOI
- CVG
2 stops11h 16m
Delta
Wed 4/2912:10 pm
CVG
- BOI
2 stops11h 14m
Delta
Deal found 3/13![Delta logo]()
$315
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Tue 4/145:00 am
BOI
- BNA
2 stops12h 56m
United Airlines
Wed 4/158:00 am
BNA
- BOI
1 stop8h 24m
United Airlines
Deal found 3/12![United Airlines logo]()
$422
This Alaska Airlines deal was found by Cheapflights users on 3/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1411:58 am
BOI
- CVG
1 stop28h 31m
Alaska Airlines
Sat 4/187:29 pm
CVG
- BOI
1 stop22h 00m
Alaska Airlines
Deal found 3/16![Alaska Airlines logo]()
$438
This Delta deal was found by Cheapflights users on 3/14. 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 4/71:40 pm
GEG
- BNA
1 stop8h 12m
Delta
Tue 4/144:58 pm
BNA
- GEG
1 stop9h 22m
Delta
Deal found 3/14![Delta logo]()
$317
This Southwest deal was found by Cheapflights users on 3/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/248:50 am
BOI
- BNA
2 stops11h 25m
Southwest
Tue 4/288:15 am
BNA
- BOI
2 stops8h 10m
Southwest
Deal found 3/12![Southwest logo]()
$391
This American Airlines deal was found by Cheapflights users on 3/13. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/91:44 pm
IDA
- BNA
2 stops8h 19m
American Airlines
Wed 9/165:15 am
BNA
- IDA
1 stop7h 58m
American Airlines
Deal found 3/13![American Airlines logo]()
$474
This United Airlines deal was found by Cheapflights users on 3/15. 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 9/811:46 am
BOI
- BNA
1 stop8h 04m
United Airlines
Tue 9/156:00 am
BNA
- BOI
1 stop6h 25m
United Airlines
Deal found 3/15![United Airlines logo]()
$439
This Alaska Airlines deal was found by Cheapflights users on 3/13. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:43 am
BOI
- LEX
2 stops13h 55m
Alaska Airlines
Mon 5/41:14 pm
LEX
- BOI
2 stops11h 48m
Alaska Airlines
Deal found 3/13![Alaska Airlines logo]()
$469
This Delta deal was found by Cheapflights users on 3/16. 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.
Thu 4/167:38 pm
GEG
- CVG
2 stops10h 16m
Delta
Tue 4/214:22 pm
CVG
- GEG
2 stops10h 12m
Delta
Deal found 3/16![Delta logo]()
$321
This American Airlines deal was found by Cheapflights users on 3/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/2212:51 pm
GEG
- CVG
1 stop8h 02m
American Airlines
Mon 5/256:32 pm
CVG
- GEG
1 stop7h 37m
American Airlines
Deal found 3/16![American Airlines logo]()
$490
This United Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/147:11 am
BOI
- CVG
2 stops13h 19m
United Airlines
Sat 4/183:26 pm
CVG
- BOI
1 stop8h 08m
United Airlines
Deal found 3/16![United Airlines logo]()
$454
This Delta deal was found by Cheapflights users on 3/13. 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.
Wed 5/66:15 am
GEG
- BNA
1 stop7h 48m
Delta
Mon 5/117:27 pm
BNA
- GEG
1 stop6h 08m
Delta
Deal found 3/13![Delta logo]()
$324
This Alaska Airlines deal was found by Cheapflights users on 3/12. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/195:00 am
GEG
- CVG
1 stop10h 36m
Alaska Airlines
Thu 4/236:58 pm
CVG
- GEG
1 stop7h 57m
Alaska Airlines
Deal found 3/12![Alaska Airlines logo]()
$482
This Southwest deal was found by Cheapflights users on 3/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/164:20 pm
BOI
- BNA
1 stop6h 30m
Southwest
Fri 6/267:20 pm
BNA
- BOI
1 stop7h 25m
Southwest
Deal found 3/12![Southwest logo]()
$445
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Tue 4/145:00 am
BOI
- TYS
1 stop8h 06m
United Airlines
Sat 4/184:30 pm
TYS
- BOI
1 stop7h 04m
United Airlines
Deal found 3/12![United Airlines logo]()
$459
Last-minute flights from Idaho to KentuckyDiscover last-minute flight deals from Idaho to Kentucky. Data last updated March 17, 2026 and is based on user searches.
Discover last-minute flight deals from Idaho to Kentucky. Data last updated March 17, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 3/12. 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 4/141:22 pm
GEG
- CVG
1 stop7h 05m
American Airlines
Sat 4/187:36 am
CVG
- GEG
1 stop7h 56m
American Airlines
Deal found 3/12![American Airlines logo]()
$277
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Tue 4/147:00 am
GEG
- CVG
2 stops12h 30m
United Airlines
Sat 4/183:26 pm
CVG
- GEG
1 stop8h 45m
United Airlines
Deal found 3/12![United Airlines logo]()
$300
This Southwest deal was found by Cheapflights users on 3/15. 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 4/147:00 am
GEG
- BNA
2 stops13h 15m
Southwest
Tue 4/216:15 am
BNA
- GEG
1 stop6h 00m
Southwest
Deal found 3/15![Southwest logo]()
$308
This Southwest deal was found by Cheapflights users on 3/14. 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.
Tue 4/142:25 pm
GEG
- BNA
1 stop6h 40m
Southwest
Mon 4/204:20 pm
BNA
- GEG
2 stops10h 15m
Southwest
Deal found 3/14![Southwest logo]()
$309
This Delta deal was found by Cheapflights users on 3/16. 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.
Thu 4/167:38 pm
GEG
- CVG
2 stops10h 16m
Delta
Tue 4/216:30 am
CVG
- GEG
1 stop7h 15m
Delta
Deal found 3/16![Delta logo]()
$310
This Delta deal was found by Cheapflights users on 3/14. 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.
Mon 4/208:59 am
BOI
- CVG
1 stop8h 01m
Delta
Wed 4/296:30 am
CVG
- BOI
1 stop16h 54m
Delta
Deal found 3/14![Delta logo]()
$305
This Delta deal was found by Cheapflights users on 3/16. 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.
Mon 4/208:40 pm
BOI
- CVG
2 stops11h 48m
Delta
Tue 4/286:30 am
CVG
- BOI
1 stop8h 42m
Delta
Deal found 3/16![Delta logo]()
$310
This Delta deal was found by Cheapflights users on 3/12. 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 4/241:52 pm
BOI
- BNA
1 stop9h 07m
Delta
Tue 4/284:58 pm
BNA
- BOI
1 stop8h 19m
Delta
Deal found 3/12![Delta logo]()
$307
This Delta deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/266:15 am
GEG
- BNA
1 stop15h 44m
Delta
Tue 5/54:13 pm
BNA
- GEG
1 stop7h 18m
Delta
Deal found 3/17![Delta logo]()
$302
This Delta deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/263:30 pm
GEG
- BNA
1 stop6h 29m
Delta
Thu 5/77:00 am
BNA
- GEG
1 stop7h 13m
Delta
Deal found 3/17![Delta logo]()
$307
This Delta deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:15 am
GEG
- BNA
1 stop6h 48m
Delta
Wed 5/67:20 pm
BNA
- GEG
1 stop6h 14m
Delta
Deal found 3/17![Delta logo]()
$297
This Delta deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/282:10 pm
GEG
- BNA
1 stop6h 42m
Delta
Thu 5/77:27 pm
BNA
- GEG
1 stop6h 08m
Delta
Deal found 3/17![Delta logo]()
$304
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 March 17, 2026.
Search for one-way flight options from Idaho to Kentucky. Find affordable one-way fares based on user searches. Data last updated March 17, 2026.
This Delta deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/77:15 am
GEG
- BNA
1 stop6h 48m
Delta
Deal found 3/17![Delta logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/21:25 pm
BOI
- TYS
1 stop28h 08m
Frontier
Deal found 3/14![Frontier logo]()
$151
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/610:06 pm
IDA
- BNA
1 stop30h 04m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$153
This American Airlines deal was found by Cheapflights users on 3/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:05 am
GEG
- BNA
2 stops9h 10m
American Airlines
Deal found 3/14![American Airlines logo]()
$153
This Delta deal was found by Cheapflights users on 3/16. 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.
Mon 4/133:44 pm
BOI
- BNA
1 stop7h 15m
Delta
Deal found 3/16![Delta logo]()
$156
This Southwest deal was found by Cheapflights users on 3/13. 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 5/42:50 pm
GEG
- BNA
1 stop5h 50m
Southwest
Deal found 3/13![Southwest logo]()
$156
This American Airlines deal was found by Cheapflights users on 3/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:41 pm
BOI
- BNA
1 stop8h 52m
American Airlines
Deal found 3/16![American Airlines logo]()
$158
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/293:44 pm
BOI
- BNA
1 stop7h 15m
Delta
Deal found 3/16![Delta logo]()
$159
This Delta deal was found by Cheapflights users on 3/13. 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.
Wed 5/136:15 am
GEG
- BNA
1 stop10h 00m
Delta
Deal found 3/13![Delta logo]()
$159
This Delta deal was found by Cheapflights users on 3/13. 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 5/710:40 pm
GEG
- BNA
1 stop7h 55m
Delta
Deal found 3/13![Delta logo]()
$166
This Priceline deal was found by Cheapflights users on 3/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/2212:40 pm
GEG
- CVG
1 stop8h 57m
Frontier
Deal found 3/16![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/41:25 pm
BOI
- TYS
1 stop28h 08m
Frontier
Deal found 3/14![Frontier logo]()
$172
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 March 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $241 (CheapOair) |
One-way from | $149 (Delta) |
Popular in | March |
Cheapest in | August |
Average price | $888 |
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 March 17, 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
SpokaneCincinnati
GEG - CVG
GEGCVG
Spokane
Tue 4/14
1:22 pm-11:27 pm
1 stop7h 05m
Cincinnati Cinci./N. Kentucky
Sat 4/18
7:36 am-12:32 pm
1 stop7h 56m
$277
SpokaneNashville
GEG - BNA
GEGBNA
Spokane
Tue 4/28
6:20 am-5:18 pm
1 stop8h 58m
Nashville Intl
Tue 5/5
4:58 pm-11:15 pm
1 stop8h 17m
$297
SpokaneCincinnati
GEG - CVG
GEGCVG
Spokane
Tue 4/14
7:00 am-10:30 pm
2 stops12h 30m
Cincinnati Cinci./N. Kentucky
Sat 4/18
3:26 pm-9:11 pm
1 stop8h 45m
$300
SpokaneNashville
GEG - BNA
GEGBNA
Spokane
Sat 4/25
2:25 pm-12:10 am
1 stop7h 45m
Nashville Intl
Wed 4/29
6:15 am-1:45 pm
2 stops9h 30m
$302
SpokaneNashville
GEG - BNA
GEGBNA
Spokane
Sun 4/26
6:15 am-11:59 pm
1 stop15h 44m
Nashville Intl
Wed 5/6
7:20 pm-11:34 pm
1 stop6h 14m
$302
SpokaneNashville
GEG - BNA
GEGBNA
Spokane
Tue 4/14
2:25 pm-11:05 pm
1 stop6h 40m
Nashville Intl
Mon 4/20
4:20 pm-12:35 am
2 stops10h 15m
$309
BoiseCincinnati
BOI - CVG
BOICVG
Boise Air Term. Gowen Fld
Mon 4/20
8:40 pm-10:28 am
2 stops11h 48m
Cincinnati Cinci./N. Kentucky
Tue 4/28
6:30 am-1:12 pm
1 stop8h 42m
$310
SpokaneNashville
GEG - BNA
GEGBNA
Spokane
Thu 5/28
1:30 pm-10:45 pm
1 stop7h 15m
Nashville Intl
Mon 6/1
7:27 pm-11:35 pm
1 stop6h 08m
$311
BoiseNashville
BOI - BNA
BOIBNA
Boise Air Term. Gowen Fld
Tue 5/5
10:41 am-9:26 pm
2 stops9h 45m
Nashville Intl
Sat 5/9
7:00 am-2:43 pm
1 stop8h 43m
$312
BoiseCincinnati
BOI - CVG
BOICVG
Boise Air Term. Gowen Fld
Wed 4/22
3:44 pm-5:00 am
2 stops11h 16m
Cincinnati Cinci./N. Kentucky
Wed 4/29
12:10 pm-9:24 pm
2 stops11h 14m
$315
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-TYS
BOI-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
BOI-BNA
GEG-BNA
GEG-CVG
BOI-TYS
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 $219). Flying from Idaho to Kentucky in January is currently the most expensive (average of $378). 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 March 17, 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
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentAnonymous,Mar 2026
KOA - HNL
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
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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 March 17, 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 March 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$234 | Average$418 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$268 | Average$465 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$268 | Average$537 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$370 | Average$474 | FlexibilityNo cancel fee | On-time63% |