$132+ Cheap flights from Kentucky to Idaho
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — BOI
may. 31 — jun. 71
Round-trip
1 adult, Economy
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Cheapest flights from Kentucky to IdahoExplore the most affordable flight options available from Kentucky to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on mayo 1, 2026.
Explore the most affordable flight options available from Kentucky to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on mayo 1, 2026.
This Trip.com deal was found by Cheapflights users on 4/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/147:08 pm
BNA
- GEG
1 stop18h 30m
Frontier
lun. 5/1812:33 pm
GEG
- BNA
1 stop27h 49m
Frontier
Deal found 4/30![Frontier logo]()
$248
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
jue. 6/46:54 pm
BNA
- GEG
1 stop6h 12m
Delta
mar. 6/91:30 pm
GEG
- BNA
1 stop7h 37m
Delta
Deal found 4/28![Delta logo]()
$263
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/234:20 pm
BNA
- GEG
1 stop8h 46m
Delta
mar. 6/161:30 pm
GEG
- BNA
1 stop7h 37m
Delta
Deal found 4/30![Delta logo]()
$291
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
mar. 7/146:00 am
BNA
- BOI
1 stop8h 44m
Delta
mar. 7/2111:42 pm
BOI
- BNA
1 stop7h 59m
Delta
Deal found 4/28![Delta logo]()
$293
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
vie. 6/266:44 pm
BNA
- GEG
1 stop6h 23m
Delta
mié. 7/810:48 pm
GEG
- BNA
1 stop6h 50m
Delta
Deal found 4/28![Delta logo]()
$295
This American Airlines deal was found by Cheapflights users on 4/30. 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.
mar. 7/148:00 am
BNA
- BOI
2 stops9h 49m
American Airlines
mar. 7/213:37 pm
BOI
- BNA
1 stop6h 52m
American Airlines
Deal found 4/30![American Airlines logo]()
$298
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
mié. 6/242:01 pm
BNA
- GEG
1 stop6h 14m
Delta
dom. 7/512:35 pm
GEG
- BNA
1 stop7h 54m
Delta
Deal found 4/28![Delta logo]()
$299
This American Airlines deal was found by Cheapflights users on 4/30. 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.
mar. 6/23:21 pm
BNA
- GEG
1 stop7h 22m
American Airlines
mar. 6/96:30 am
GEG
- BNA
2 stops9h 16m
American Airlines
Deal found 4/30![American Airlines logo]()
$301
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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.
mié. 6/106:25 am
BNA
- BOI
1 stop9h 26m
Delta
lun. 6/154:00 pm
BOI
- BNA
1 stop7h 32m
Delta
Deal found 4/27![Delta logo]()
$301
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
vie. 7/36:00 am
BNA
- BOI
1 stop6h 20m
American Airlines
mar. 7/73:37 pm
BOI
- BNA
1 stop6h 52m
American Airlines
Deal found 4/29![American Airlines logo]()
$304
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
lun. 5/255:00 am
BNA
- JAC
1 stop6h 27m
American Airlines
vie. 5/294:14 pm
JAC
- BNA
1 stop6h 12m
American Airlines
Deal found 4/28![American Airlines logo]()
$306
This Alaska Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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.
mar. 9/17:00 am
BNA
- GEG
1 stop7h 30m
Alaska Airlines
mar. 9/16:21 pm
GEG
- BNA
1 stop9h 19m
Alaska Airlines
Deal found 4/26![Alaska Airlines logo]()
$309
Best flights from Kentucky to IdahoDiscover carefully curated flight deals from Kentucky to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated mayo 1, 2026.
Discover carefully curated flight deals from Kentucky to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated mayo 1, 2026.
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
jue. 6/44:20 pm
BNA
- GEG
1 stop8h 46m
Delta
mar. 6/96:20 am
GEG
- BNA
1 stop10h 05m
Delta
Deal found 4/28![Delta logo]()
$263
This Southwest deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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.
mié. 6/245:45 pm
BNA
- BOI
2 stops7h 45m
Southwest
lun. 6/294:25 pm
BOI
- BNA
1 stop6h 15m
Southwest
Deal found 4/26![Southwest logo]()
$369
This Alaska Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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.
mar. 6/27:08 pm
CVG
- GEG
1 stop7h 51m
Alaska Airlines
mié. 6/36:00 am
GEG
- CVG
1 stop9h 08m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$399
This American Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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.
mar. 5/121:35 pm
BNA
- IDA
2 stops11h 04m
American Airlines
sáb. 5/167:48 am
IDA
- BNA
1 stop6h 41m
American Airlines
Deal found 4/27![American Airlines logo]()
$400
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
mié. 7/88:48 am
TYS
- GEG
1 stop9h 23m
United Airlines
mar. 8/45:00 am
GEG
- TYS
1 stop7h 53m
United Airlines
Deal found 4/29![United Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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.
jue. 6/116:00 am
BNA
- GEG
1 stop7h 40m
Delta
sáb. 6/132:23 pm
GEG
- BNA
1 stop6h 06m
Delta
Deal found 4/27![Delta logo]()
$263
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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.
mié. 6/176:00 am
BNA
- GEG
1 stop7h 40m
Delta
mar. 6/232:23 pm
GEG
- BNA
1 stop6h 06m
Delta
Deal found 4/26![Delta logo]()
$263
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
jue. 6/257:36 pm
BNA
- GEG
1 stop6h 23m
Delta
lun. 7/62:23 pm
GEG
- BNA
1 stop6h 06m
Delta
Deal found 4/28![Delta logo]()
$263
This Southwest deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
lun. 6/14:20 pm
BNA
- GEG
2 stops10h 10m
Southwest
sáb. 6/63:20 pm
GEG
- BNA
1 stop11h 25m
Southwest
Deal found 4/29![Southwest logo]()
$388
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
mar. 7/146:00 am
BNA
- BOI
1 stop8h 44m
Delta
mar. 7/2111:42 pm
BOI
- BNA
1 stop7h 59m
Delta
Deal found 4/28![Delta logo]()
$293
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
mar. 9/16:00 am
TYS
- GEG
1 stop9h 02m
American Airlines
sáb. 9/1212:45 pm
GEG
- TYS
1 stop7h 33m
American Airlines
Deal found 4/29![American Airlines logo]()
$402
This Delta deal was found by Cheapflights users on 5/1. 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.
sáb. 5/234:20 pm
BNA
- BOI
1 stop8h 26m
Delta
sáb. 5/302:23 pm
BOI
- BNA
1 stop7h 13m
Delta
Deal found 5/1![Delta logo]()
$293
This Southwest deal was found by Cheapflights users on 4/30. 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.
mar. 9/85:40 am
CVG
- BOI
2 stops11h 10m
Southwest
mar. 9/158:20 am
BOI
- CVG
1 stop8h 15m
Southwest
Deal found 4/30![Southwest logo]()
$402
This United Airlines deal was found by Cheapflights users on 4/30. 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.
mar. 8/184:56 pm
TYS
- BOI
1 stop6h 29m
United Airlines
mié. 8/192:44 pm
BOI
- TYS
1 stop5h 54m
United Airlines
Deal found 4/30![United Airlines logo]()
$475
This Delta deal was found by Cheapflights users on 5/1. 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.
mié. 6/177:35 am
BNA
- GEG
1 stop6h 40m
Delta
vie. 6/2612:47 pm
GEG
- BNA
1 stop7h 01m
Delta
Deal found 5/1![Delta logo]()
$295
This Alaska Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
dom. 8/305:58 pm
CVG
- GEG
1 stop9h 01m
Alaska Airlines
jue. 9/31:24 pm
GEG
- CVG
1 stop24h 34m
Alaska Airlines
Deal found 4/28![Alaska Airlines logo]()
$487
This Southwest deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
mié. 6/38:15 am
BNA
- BOI
2 stops9h 10m
Southwest
dom. 6/77:15 pm
BOI
- BNA
1 stop8h 30m
Southwest
Deal found 4/29![Southwest logo]()
$403
This Delta deal was found by Cheapflights users on 5/1. 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.
jue. 6/187:36 pm
BNA
- GEG
1 stop6h 23m
Delta
vie. 6/2610:48 pm
GEG
- BNA
1 stop7h 44m
Delta
Deal found 5/1![Delta logo]()
$295
This United Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
mar. 8/116:30 am
TYS
- BOI
1 stop6h 55m
United Airlines
mié. 8/127:05 am
BOI
- TYS
2 stops12h 25m
United Airlines
Deal found 4/28![United Airlines logo]()
$480
This Alaska Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
vie. 5/295:43 pm
BNA
- IDA
1 stop20h 34m
Alaska Airlines
lun. 6/14:03 pm
IDA
- BNA
1 stop25h 00m
Alaska Airlines
Deal found 4/29![Alaska Airlines logo]()
$506
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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.
jue. 6/46:54 pm
BNA
- GEG
1 stop6h 12m
Delta
vie. 6/127:00 am
GEG
- BNA
1 stop8h 39m
Delta
Deal found 4/27![Delta logo]()
$295
This Southwest deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
mar. 7/215:40 pm
TYS
- BOI
2 stops8h 45m
Southwest
mié. 8/57:05 am
BOI
- TYS
2 stops9h 50m
Southwest
Deal found 4/29![Southwest logo]()
$439
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
jue. 5/147:00 am
BNA
- IDA
1 stop7h 25m
United Airlines
lun. 5/182:31 pm
IDA
- BNA
1 stop6h 26m
United Airlines
Deal found 4/29![United Airlines logo]()
$495
This Delta deal was found by Cheapflights users on 5/1. 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.
vie. 5/297:29 am
BNA
- BOI
1 stop8h 05m
Delta
lun. 6/13:14 pm
BOI
- BNA
1 stop7h 54m
Delta
Deal found 5/1![Delta logo]()
$301
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
lun. 8/105:45 pm
TYS
- GEG
2 stops7h 55m
Southwest
sáb. 8/157:05 am
GEG
- TYS
1 stop6h 05m
Southwest
Deal found 4/28![Southwest logo]()
$448
This United Airlines deal was found by Cheapflights users on 5/1. 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.
vie. 5/298:30 am
BNA
- JAC
2 stops13h 28m
United Airlines
mar. 6/28:00 am
JAC
- BNA
2 stops10h 45m
United Airlines
Deal found 5/1![United Airlines logo]()
$500
This Alaska Airlines deal was found by Cheapflights users on 4/30. 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.
sáb. 5/167:11 am
BNA
- IDA
1 stop9h 15m
Alaska Airlines
mié. 5/206:00 am
IDA
- BNA
2 stops11h 11m
Alaska Airlines
Deal found 4/30![Alaska Airlines logo]()
$571
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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.
mié. 6/247:35 am
BNA
- BOI
1 stop5h 46m
Delta
lun. 6/292:50 pm
BOI
- BNA
1 stop6h 39m
Delta
Deal found 4/26![Delta logo]()
$301
This United Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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.
mar. 8/1110:21 am
CVG
- BOI
2 stops13h 04m
United Airlines
mié. 8/127:01 pm
BOI
- CVG
2 stops12h 24m
United Airlines
Deal found 4/26![United Airlines logo]()
$507
This Alaska Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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.
jue. 7/24:43 pm
BNA
- IDA
1 stop21h 23m
Alaska Airlines
mié. 7/154:14 pm
IDA
- BNA
1 stop23h 46m
Alaska Airlines
Deal found 4/27![Alaska Airlines logo]()
$574
Last-minute flights from Kentucky to IdahoDiscover last-minute flight deals from Kentucky to Idaho. Data last updated mayo 1, 2026 and is based on user searches.
Discover last-minute flight deals from Kentucky to Idaho. Data last updated mayo 1, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 4/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/147:08 pm
BNA
- GEG
1 stop18h 30m
Frontier
lun. 5/1812:33 pm
GEG
- BNA
1 stop27h 49m
Frontier
Deal found 4/30![Frontier logo]()
$248
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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.
lun. 5/187:27 pm
BNA
- BOI
1 stop5h 37m
Delta
lun. 5/255:20 am
BOI
- BNA
1 stop8h 54m
Delta
Deal found 4/27![Delta logo]()
$309
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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.
mié. 5/204:24 pm
BNA
- BOI
1 stop8h 31m
Delta
vie. 5/222:23 pm
BOI
- BNA
1 stop7h 13m
Delta
Deal found 4/27![Delta logo]()
$316
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
vie. 5/224:20 pm
BNA
- GEG
1 stop8h 46m
Delta
mar. 5/262:16 pm
GEG
- BNA
1 stop6h 20m
Delta
Deal found 4/28![Delta logo]()
$295
This Delta deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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.
vie. 5/222:50 pm
BNA
- BOI
1 stop9h 08m
Delta
dom. 5/3111:39 pm
BOI
- BNA
1 stop7h 56m
Delta
Deal found 4/26![Delta logo]()
$339
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/234:20 pm
BNA
- GEG
1 stop8h 46m
Delta
mar. 6/161:30 pm
GEG
- BNA
1 stop7h 37m
Delta
Deal found 4/30![Delta logo]()
$291
This Delta deal was found by Cheapflights users on 5/1. 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.
sáb. 5/234:20 pm
BNA
- BOI
1 stop8h 26m
Delta
sáb. 5/302:23 pm
BOI
- BNA
1 stop7h 13m
Delta
Deal found 5/1![Delta logo]()
$293
This American Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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.
sáb. 5/235:00 am
BNA
- BOI
1 stop7h 19m
American Airlines
sáb. 5/301:59 pm
BOI
- BNA
1 stop7h 00m
American Airlines
Deal found 4/27![American Airlines logo]()
$313
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
lun. 5/255:00 am
BNA
- JAC
1 stop6h 27m
American Airlines
vie. 5/294:14 pm
JAC
- BNA
1 stop6h 12m
American Airlines
Deal found 4/28![American Airlines logo]()
$306
This American Airlines deal was found by Cheapflights users on 4/30. 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.
mié. 5/276:01 am
BNA
- BOI
1 stop6h 18m
American Airlines
sáb. 5/304:05 pm
BOI
- BNA
1 stop6h 21m
American Airlines
Deal found 4/30![American Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
mié. 5/275:55 pm
BNA
- GEG
1 stop7h 30m
Southwest
lun. 6/15:35 pm
GEG
- BNA
2 stops8h 55m
Southwest
Deal found 4/28![Southwest logo]()
$336
This Delta deal was found by Cheapflights users on 5/1. 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.
vie. 5/297:29 am
BNA
- BOI
1 stop8h 05m
Delta
lun. 6/13:14 pm
BOI
- BNA
1 stop7h 54m
Delta
Deal found 5/1![Delta logo]()
$301
One-way flights from Kentucky to IdahoSearch for one-way flight options from Kentucky to Idaho. Find affordable one-way fares based on user searches. Data last updated mayo 1, 2026.
Search for one-way flight options from Kentucky to Idaho. Find affordable one-way fares based on user searches. Data last updated mayo 1, 2026.
This American Airlines deal was found by Cheapflights users on 4/30. 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.
mar. 6/93:21 pm
BNA
- GEG
1 stop7h 22m
American Airlines
Deal found 4/30![American Airlines logo]()
$132
This Trip.com deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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.
sáb. 5/97:08 pm
BNA
- BOI
1 stop18h 19m
Frontier
Deal found 4/27![Frontier logo]()
$135
This American Airlines deal was found by Cheapflights users on 4/26. Clicking the “Pick Dates” 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.
mar. 7/72:52 pm
BNA
- GEG
2 stops10h 14m
American Airlines
Deal found 4/26![American Airlines logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
mié. 6/37:17 pm
BNA
- BOI
1 stop18h 21m
Frontier
Deal found 4/29![Frontier logo]()
$142
This American Airlines deal was found by Cheapflights users on 4/30. 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.
sáb. 10/35:00 am
BNA
- BOI
1 stop7h 26m
American Airlines
Deal found 4/30![American Airlines logo]()
$147
This American Airlines deal was found by Cheapflights users on 4/30. 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.
mar. 7/148:00 am
BNA
- BOI
2 stops9h 49m
American Airlines
Deal found 4/30![American Airlines logo]()
$152
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” 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.
mar. 6/165:01 am
BNA
- GEG
1 stop9h 00m
American Airlines
Deal found 4/29![American Airlines logo]()
$153
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
jue. 7/162:59 pm
BNA
- BOI
1 stop8h 59m
Delta
Deal found 4/28![Delta logo]()
$155
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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.
lun. 8/174:00 pm
TYS
- JAC
1 stop6h 23m
Delta
Deal found 4/27![Delta logo]()
$156
This Southwest deal was found by Cheapflights users on 4/30. 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.
mar. 9/226:15 am
BNA
- BOI
2 stops8h 25m
Southwest
Deal found 4/30![Southwest logo]()
$160
This Delta deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” 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.
mar. 8/1810:05 am
TYS
- JAC
2 stops10h 52m
Delta
Deal found 4/27![Delta logo]()
$161
This Kiwi.com deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” 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.
lun. 6/156:30 am
TYS
- BOI
2 stops32h 00m
Multiple Airlines
Deal found 4/28![Multiple Airlines logo]()
$162
Find flight deals from Kentucky to Idaho
Keep the following information in mind while searching for Kentucky to Idaho flight deals. Data was last updated mayo 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $248 (Trip.com) |
One-way from | $132 (American Airlines) |
Popular in | December |
Cheapest in | September |
Average price | $427 |
Cheapflights Fare Finder
Customize your flight search to find flights from Kentucky to Idaho 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 mayo 1, 2026.
Use the filters below to find and compare flights from Kentucky to Idaho that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
NashvilleSpokane
BNA - GEG
BNAGEG
Nashville Intl
jue. 6/4
4:20 pm-11:06 pm
1 stop8h 46m
Spokane
mar. 6/9
6:20 am-6:25 pm
1 stop10h 05m
$263
NashvilleSpokane
BNA - GEG
BNAGEG
Nashville Intl
jue. 6/11
6:00 am-11:40 am
1 stop7h 40m
Spokane
sáb. 6/13
2:23 pm-10:29 pm
1 stop6h 06m
$263
NashvilleSpokane
BNA - GEG
BNAGEG
Nashville Intl
mié. 6/17
6:00 am-11:40 am
1 stop7h 40m
Spokane
mar. 6/23
2:23 pm-10:29 pm
1 stop6h 06m
$263
NashvilleSpokane
BNA - GEG
BNAGEG
Nashville Intl
jue. 6/25
7:36 pm-11:59 pm
1 stop6h 23m
Spokane
lun. 7/6
2:23 pm-10:29 pm
1 stop6h 06m
$263
NashvilleBoise
BNA - BOI
BNABOI
Nashville Intl
mar. 7/14
6:00 am-1:44 pm
1 stop8h 44m
Boise Air Term. Gowen Fld
mar. 7/21
11:42 pm-8:41 am
1 stop7h 59m
$293
NashvilleBoise
BNA - BOI
BNABOI
Nashville Intl
sáb. 5/23
4:20 pm-11:46 pm
1 stop8h 26m
Boise Air Term. Gowen Fld
sáb. 5/30
2:23 pm-10:36 pm
1 stop7h 13m
$293
NashvilleSpokane
BNA - GEG
BNAGEG
Nashville Intl
mié. 6/17
7:35 am-12:15 pm
1 stop6h 40m
Spokane
vie. 6/26
12:47 pm-9:48 pm
1 stop7h 01m
$295
NashvilleSpokane
BNA - GEG
BNAGEG
Nashville Intl
jue. 6/18
7:36 pm-11:59 pm
1 stop6h 23m
Spokane
vie. 6/26
10:48 pm-8:32 am
1 stop7h 44m
$295
NashvilleSpokane
BNA - GEG
BNAGEG
Nashville Intl
jue. 6/4
6:54 pm-11:06 pm
1 stop6h 12m
Spokane
vie. 6/12
7:00 am-5:39 pm
1 stop8h 39m
$295
NashvilleBoise
BNA - BOI
BNABOI
Nashville Intl
vie. 5/29
7:29 am-2:34 pm
1 stop8h 05m
Boise Air Term. Gowen Fld
lun. 6/1
3:14 pm-12:08 am
1 stop7h 54m
$301
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Kentucky to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from Kentucky with our price prediction graph.
BNA-GEG
BNA-BOI
TYS-JAC
TYS-BOI
CVG-GEG
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Kentucky to Idaho
USKY-USID
BNA-GEG
BNA-BOI
TYS-JAC
TYS-BOI
What is the cheapest month to book a flight from Kentucky to Idaho?
Currently, August is the cheapest month in which you can book a flight from Kentucky to Idaho (average of $196). Flying from Kentucky to Idaho in July is currently the most expensive (average of $416). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Kentucky to Idaho?
Reviews of airlines servicing Idaho
Get insights into the airlines that provide service to Idaho. 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 Idaho. Reviews last updated mayo 1, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Kentucky to Idaho have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Overall
8.0
Food
7.0
Entertainment
7.5
Comfort
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Related info for your journey
Find useful and relevant information for your journey from Kentucky to Idaho. 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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Alternative routes for Kentucky to Idaho
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Idaho by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Kentucky to Idaho by cabin class
Find flights from Kentucky to Idaho, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Kentucky and Idaho flights
Browse other Kentucky and Idaho flight options. Last updated on mayo 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Idaho
Find the right flight back to Kentucky after your stay in Idaho
Kentucky to Idaho flights
Consider these flights traveling from Kentucky to Idaho.
Top 4 airlines flying from Kentucky to Idaho
Discover the top 4 airlines that operate flights from Kentucky to Idaho. 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 mayo 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$196 | Average$374 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$287 | Average$600 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$327 | Average$485 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$351 | Average$446 | FlexibilityNo cancel fee | On-time63% |