$104+ Cheap flights from Kansas City (MCI) 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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — BOI
Aug 17 — Aug 241
Round-trip
1 adult, Economy
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Cheapest flights from Kansas City to IdahoExplore the most affordable flight options available from Kansas City to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 18, 2026.
Explore the most affordable flight options available from Kansas City to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:38 pm
MCI
- BOI
1 stop23h 51m
Frontier
Tue 9/81:24 pm
BOI
- MCI
1 stop22h 58m
Frontier
Deal found 7/17![Frontier logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/142:17 pm
MCI
- BOI
1 stop22h 47m
Frontier
Mon 9/213:52 pm
BOI
- MCI
2 stops20h 30m
Frontier
Deal found 7/15![Frontier logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/51:38 pm
MCI
- BOI
1 stop22h 51m
Frontier
Tue 9/81:24 pm
BOI
- MCI
1 stop22h 58m
Frontier
Deal found 7/13![Frontier logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/92:17 pm
MCI
- BOI
1 stop22h 47m
Frontier
Thu 9/1712:59 pm
BOI
- MCI
1 stop23h 23m
Frontier
Deal found 7/13![Frontier logo]()
$245
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/142:17 pm
MCI
- BOI
1 stop22h 47m
Frontier
Sun 9/203:52 pm
BOI
- MCI
2 stops20h 30m
Frontier
Deal found 7/15![Frontier logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/121:45 pm
MCI
- BOI
1 stop23h 44m
Frontier
Sun 8/161:24 pm
BOI
- MCI
1 stop22h 36m
Frontier
Deal found 7/15![Frontier logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/31:45 pm
MCI
- BOI
1 stop23h 44m
Frontier
Tue 8/111:24 pm
BOI
- MCI
1 stop22h 36m
Frontier
Deal found 7/13![Frontier logo]()
$276
This Travelocity deal was found by Cheapflights users on 7/17. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:13 am
MCI
- GEG
2 stops17h 27m
Alaska Airlines
Wed 10/287:16 am
GEG
- MCI
2 stops14h 43m
Alaska Airlines
Deal found 7/17![Alaska Airlines logo]()
$309
This United Airlines deal was found by Cheapflights users on 7/16. 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.
Fri 8/219:14 am
MCI
- WYS
1 stop5h 06m
United Airlines
Tue 8/251:55 pm
WYS
- MCI
1 stop5h 39m
United Airlines
Deal found 7/16![United Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:00 am
MCI
- IDA
1 stop4h 51m
United Airlines
Sat 8/295:53 pm
IDA
- MCI
1 stop4h 37m
United Airlines
Deal found 7/14![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 7/17. 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.
Fri 8/143:04 pm
MCI
- IDA
1 stop4h 16m
Delta
Fri 8/216:00 am
IDA
- MCI
2 stops12h 01m
Delta
Deal found 7/17![Delta logo]()
$324
This Delta deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/143:04 pm
MCI
- IDA
1 stop4h 16m
Delta
Sat 8/223:17 pm
IDA
- MCI
1 stop4h 51m
Delta
Deal found 7/13![Delta logo]()
$343
Best flights from Kansas City to IdahoDiscover carefully curated flight deals from Kansas City to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 18, 2026.
Discover carefully curated flight deals from Kansas City to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 18, 2026.
This Delta deal was found by Cheapflights users on 7/17. 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.
Sat 8/223:03 pm
MCI
- IDA
1 stop4h 17m
Delta
Sat 8/296:00 am
IDA
- MCI
1 stop7h 10m
Delta
Deal found 7/17![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 7/15. 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.
Sat 8/85:24 pm
MCI
- IDA
1 stop4h 43m
United Airlines
Sat 8/154:04 pm
IDA
- MCI
1 stop6h 26m
United Airlines
Deal found 7/15![United Airlines logo]()
$319
This Alaska Airlines deal was found by Cheapflights users on 7/14. 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.
Tue 10/206:13 am
MCI
- BOI
1 stop7h 22m
Alaska Airlines
Sat 10/249:09 am
BOI
- MCI
1 stop7h 09m
Alaska Airlines
Deal found 7/14![Alaska Airlines logo]()
$347
This Southwest deal was found by Cheapflights users on 7/12. 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 9/34:00 pm
MCI
- BOI
1 stop8h 55m
Southwest
Fri 9/116:00 am
BOI
- MCI
2 stops6h 40m
Southwest
Deal found 7/12![Southwest logo]()
$355
This Delta deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:00 am
MCI
- IDA
1 stop4h 50m
Delta
Wed 8/197:00 pm
IDA
- MCI
1 stop4h 13m
Delta
Deal found 7/15![Delta logo]()
$319
This Alaska Airlines deal was found by Cheapflights users on 7/13. 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.
Sat 10/173:11 pm
MCI
- BOI
1 stop7h 55m
Alaska Airlines
Tue 10/209:09 am
BOI
- MCI
1 stop7h 09m
Alaska Airlines
Deal found 7/13![Alaska Airlines logo]()
$347
This Southwest deal was found by Cheapflights users on 7/15. 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.
Wed 8/127:25 am
MCI
- BOI
2 stops7h 15m
Southwest
Wed 8/196:00 am
BOI
- MCI
2 stops8h 25m
Southwest
Deal found 7/15![Southwest logo]()
$357
This United Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/261:43 pm
MCI
- GEG
2 stops10h 53m
United Airlines
Tue 9/11:37 pm
GEG
- MCI
1 stop4h 57m
United Airlines
Deal found 7/13![United Airlines logo]()
$368
This Delta deal was found by Cheapflights users on 7/17. 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.
Fri 7/316:00 pm
MCI
- IDA
1 stop5h 32m
Delta
Fri 8/217:00 pm
IDA
- MCI
1 stop4h 13m
Delta
Deal found 7/17![Delta logo]()
$344
This Alaska Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/32:53 pm
MCI
- GEG
1 stop8h 38m
Alaska Airlines
Wed 11/48:14 am
GEG
- MCI
1 stop7h 01m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$363
This Southwest deal was found by Cheapflights users on 7/14. 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.
Wed 9/97:25 am
MCI
- BOI
2 stops7h 15m
Southwest
Wed 9/93:40 pm
BOI
- MCI
1 stop5h 50m
Southwest
Deal found 7/14![Southwest logo]()
$366
This United Airlines deal was found by Cheapflights users on 7/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/151:43 pm
MCI
- IDA
1 stop4h 33m
United Airlines
Wed 8/194:04 pm
IDA
- MCI
1 stop6h 26m
United Airlines
Deal found 7/17![United Airlines logo]()
$399
This Alaska Airlines deal was found by Cheapflights users on 7/13. 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.
Sat 8/221:34 pm
MCI
- GEG
1 stop8h 19m
Alaska Airlines
Wed 8/265:52 am
GEG
- MCI
1 stop6h 00m
Alaska Airlines
Deal found 7/13![Alaska Airlines logo]()
$363
This Delta deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/187:00 am
MCI
- IDA
1 stop6h 15m
Delta
Sun 9/206:57 pm
IDA
- MCI
1 stop4h 18m
Delta
Deal found 7/15![Delta logo]()
$368
This Southwest deal was found by Cheapflights users on 7/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:40 am
MCI
- GEG
2 stops9h 20m
Southwest
Sat 8/295:45 am
GEG
- MCI
2 stops7h 25m
Southwest
Deal found 7/16![Southwest logo]()
$373
This United Airlines deal was found by Cheapflights users on 7/16. 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.
Fri 8/141:43 pm
MCI
- IDA
1 stop4h 33m
United Airlines
Sat 8/224:04 pm
IDA
- MCI
1 stop6h 26m
United Airlines
Deal found 7/16![United Airlines logo]()
$399
This Alaska Airlines deal was found by Cheapflights users on 7/13. 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.
Sat 10/313:11 pm
MCI
- IDA
1 stop8h 43m
Alaska Airlines
Tue 11/36:04 am
IDA
- MCI
1 stop6h 55m
Alaska Airlines
Deal found 7/13![Alaska Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 7/17. 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 8/167:00 am
MCI
- IDA
1 stop4h 50m
Delta
Sun 8/237:00 pm
IDA
- MCI
1 stop4h 13m
Delta
Deal found 7/17![Delta logo]()
$369
This Southwest deal was found by Cheapflights users on 7/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/32:40 pm
MCI
- GEG
1 stop9h 30m
Southwest
Thu 9/106:55 am
GEG
- MCI
2 stops9h 40m
Southwest
Deal found 7/16![Southwest logo]()
$394
This United Airlines deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/81:40 pm
MCI
- BOI
2 stops9h 25m
United Airlines
Sun 8/165:00 am
BOI
- MCI
1 stop4h 51m
United Airlines
Deal found 7/12![United Airlines logo]()
$402
This Alaska Airlines deal was found by Cheapflights users on 7/14. 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.
Tue 11/247:00 am
MCI
- BOI
1 stop6h 21m
Alaska Airlines
Wed 12/23:10 pm
BOI
- MCI
1 stop7h 26m
Alaska Airlines
Deal found 7/14![Alaska Airlines logo]()
$367
This Delta deal was found by Cheapflights users on 7/13. 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 10/156:05 pm
MCI
- SUN
1 stop5h 06m
Delta
Tue 10/207:20 am
SUN
- MCI
1 stop5h 42m
Delta
Deal found 7/13![Delta logo]()
$387
This Southwest deal was found by Cheapflights users on 7/15. 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.
Mon 9/144:55 pm
MCI
- BOI
2 stops7h 40m
Southwest
Mon 9/212:55 pm
BOI
- MCI
2 stops7h 50m
Southwest
Deal found 7/15![Southwest logo]()
$402
This Alaska Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/65:50 pm
MCI
- GEG
1 stop7h 09m
Alaska Airlines
Wed 8/126:13 am
GEG
- MCI
1 stop10h 48m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$401
This United Airlines deal was found by Cheapflights users on 7/16. 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.
Wed 8/269:14 am
MCI
- WYS
1 stop5h 06m
United Airlines
Sat 8/295:45 pm
WYS
- MCI
1 stop4h 45m
United Airlines
Deal found 7/16![United Airlines logo]()
$444
This Delta deal was found by Cheapflights users on 7/12. 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.
Sun 8/96:28 am
MCI
- BOI
1 stop8h 14m
Delta
Wed 8/126:00 am
BOI
- MCI
1 stop7h 08m
Delta
Deal found 7/12![Delta logo]()
$407
This Southwest deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:30 am
MCI
- GEG
2 stops9h 30m
Southwest
Sun 9/135:35 am
GEG
- MCI
1 stop8h 15m
Southwest
Deal found 7/14![Southwest logo]()
$420
This Alaska Airlines deal was found by Cheapflights users on 7/13. 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 8/202:48 pm
MCI
- BOI
2 stops9h 56m
Alaska Airlines
Mon 8/246:00 am
BOI
- MCI
1 stop5h 38m
Alaska Airlines
Deal found 7/13![Alaska Airlines logo]()
$410
This Delta deal was found by Cheapflights users on 7/16. 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 8/266:01 pm
MCI
- GEG
1 stop7h 25m
Delta
Sun 8/305:30 am
GEG
- MCI
1 stop6h 38m
Delta
Deal found 7/16![Delta logo]()
$415
This United Airlines deal was found by Cheapflights users on 7/16. 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.
Wed 8/121:43 pm
MCI
- GEG
2 stops10h 53m
United Airlines
Tue 8/181:37 pm
GEG
- MCI
1 stop7h 53m
United Airlines
Deal found 7/16![United Airlines logo]()
$458
Last-minute flights from Kansas City to IdahoDiscover last-minute flight deals from Kansas City to Idaho. Data last updated July 18, 2026 and is based on user searches.
Discover last-minute flight deals from Kansas City to Idaho. Data last updated July 18, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/17. 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.
Fri 7/316:00 pm
MCI
- IDA
1 stop5h 32m
Delta
Fri 8/217:00 pm
IDA
- MCI
1 stop4h 13m
Delta
Deal found 7/17![Delta logo]()
$344
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/31:45 pm
MCI
- BOI
1 stop23h 44m
Frontier
Tue 8/111:24 pm
BOI
- MCI
1 stop22h 36m
Frontier
Deal found 7/13![Frontier logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 7/12. 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.
Sat 8/81:45 pm
MCI
- BOI
1 stop23h 44m
Frontier
Sun 8/161:24 pm
BOI
- MCI
1 stop22h 36m
Frontier
Deal found 7/12![Frontier logo]()
$324
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/121:45 pm
MCI
- BOI
1 stop23h 44m
Frontier
Sun 8/161:24 pm
BOI
- MCI
1 stop22h 36m
Frontier
Deal found 7/15![Frontier logo]()
$262
This Southwest deal was found by Cheapflights users on 7/13. 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.
Thu 8/134:55 pm
MCI
- BOI
2 stops8h 00m
Southwest
Mon 8/173:45 pm
BOI
- MCI
1 stop7h 25m
Southwest
Deal found 7/13![Southwest logo]()
$352
This Delta deal was found by Cheapflights users on 7/17. 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.
Fri 8/143:04 pm
MCI
- IDA
1 stop4h 16m
Delta
Fri 8/216:00 am
IDA
- MCI
2 stops12h 01m
Delta
Deal found 7/17![Delta logo]()
$324
This Delta deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/143:04 pm
MCI
- IDA
1 stop4h 16m
Delta
Sat 8/223:17 pm
IDA
- MCI
1 stop4h 51m
Delta
Deal found 7/13![Delta logo]()
$343
This United Airlines deal was found by Cheapflights users on 7/16. 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.
Fri 8/219:14 am
MCI
- WYS
1 stop5h 06m
United Airlines
Tue 8/251:55 pm
WYS
- MCI
1 stop5h 39m
United Airlines
Deal found 7/16![United Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/226:00 am
MCI
- IDA
1 stop4h 51m
United Airlines
Sat 8/295:53 pm
IDA
- MCI
1 stop4h 37m
United Airlines
Deal found 7/14![United Airlines logo]()
$319
This Alaska Airlines deal was found by Cheapflights users on 7/16. 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 8/257:00 am
MCI
- BOI
2 stops14h 20m
Alaska Airlines
Tue 9/17:20 am
BOI
- MCI
2 stops15h 39m
Alaska Airlines
Deal found 7/16![Alaska Airlines logo]()
$323
This American Airlines deal was found by Cheapflights users on 7/13. 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.
Tue 8/252:09 pm
MCI
- BOI
2 stops9h 31m
American Airlines
Tue 9/11:55 pm
BOI
- MCI
2 stops7h 55m
American Airlines
Deal found 7/13![American Airlines logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:38 pm
MCI
- BOI
1 stop23h 51m
Frontier
Tue 9/81:24 pm
BOI
- MCI
1 stop22h 58m
Frontier
Deal found 7/17![Frontier logo]()
$200
One-way flights from Kansas City to IdahoSearch for one-way flight options from Kansas City to Idaho. Find affordable one-way fares based on user searches. Data last updated July 18, 2026.
Search for one-way flight options from Kansas City to Idaho. Find affordable one-way fares based on user searches. Data last updated July 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/14. 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.
Mon 9/212:17 pm
MCI
- BOI
1 stop22h 47m
Frontier
Deal found 7/14![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/112:17 pm
MCI
- GEG
2 stops45h 02m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$162
This SmartFares deal was found by Cheapflights users on 7/13. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/247:00 am
MCI
- GEG
1 stop6h 37m
Alaska Airlines
Deal found 7/13![Alaska Airlines logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 7/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/242:17 pm
MCI
- GEG
2 stops30h 13m
Multiple Airlines
Deal found 7/15![Multiple Airlines logo]()
$169
This Southwest deal was found by Cheapflights users on 7/14. 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 12/1511:40 am
MCI
- BOI
1 stop4h 30m
Southwest
Deal found 7/14![Southwest logo]()
$169
This Alaska Airlines deal was found by Cheapflights users on 7/13. 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.
Sat 9/51:34 pm
MCI
- BOI
1 stop7h 59m
Alaska Airlines
Deal found 7/13![Alaska Airlines logo]()
$171
This United Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:00 am
MCI
- BOI
1 stop6h 28m
United Airlines
Deal found 7/14![United Airlines logo]()
$174
This Southwest deal was found by Cheapflights users on 7/13. 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.
Fri 9/114:55 pm
MCI
- BOI
2 stops7h 40m
Southwest
Deal found 7/13![Southwest logo]()
$176
This Kiwi.com deal was found by Cheapflights users on 7/14. 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.
Wed 9/211:26 am
MCI
- BOI
2 stops25h 03m
Frontier
Deal found 7/14![Frontier logo]()
$177
This Southwest deal was found by Cheapflights users on 7/14. 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.
Mon 9/214:55 pm
MCI
- BOI
2 stops7h 40m
Southwest
Deal found 7/14![Southwest logo]()
$179
This Delta deal was found by Cheapflights users on 7/16. 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 10/66:05 pm
MCI
- IDA
1 stop5h 15m
Delta
Deal found 7/16![Delta logo]()
$180
This United Airlines deal was found by Cheapflights users on 7/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:00 am
MCI
- IDA
1 stop4h 53m
United Airlines
Deal found 7/17![United Airlines logo]()
$181
Find flight deals from Kansas City to Idaho
Keep the following information in mind while searching for Kansas City to Idaho flight deals. Data was last updated July 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $200 (Kiwi.com) |
One-way from | $104 (Kiwi.com) |
Popular in | February |
Cheapest in | September |
Average price | $446 |
Cheapflights Fare Finder
Customize your flight search to find flights from Kansas City 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 July 18, 2026.
Use the filters below to find and compare flights from Kansas City to Idaho that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Kansas CityIdaho Falls
MCI - IDA
MCIIDA
Kansas City
Sat 8/22
3:03 pm-6:20 pm
1 stop4h 17m
Idaho Falls Fanning Field
Sat 8/29
6:00 am-2:10 pm
1 stop7h 10m
$319
Kansas CityIdaho Falls
MCI - IDA
MCIIDA
Kansas City
Sat 8/8
5:24 pm-9:07 pm
1 stop4h 43m
Idaho Falls Fanning Field
Sat 8/15
4:04 pm-11:30 pm
1 stop6h 26m
$319
Quickest round-trip
Kansas CityIdaho Falls
MCI - IDA
MCIIDA
Kansas City
Wed 8/12
7:00 am-10:50 am
1 stop4h 50m
Idaho Falls Fanning Field
Wed 8/19
7:00 pm-12:13 am
1 stop4h 13m
$319
Kansas CityIdaho Falls
MCI - IDA
MCIIDA
Kansas City
Fri 7/31
6:00 pm-10:32 pm
1 stop5h 32m
Idaho Falls Fanning Field
Fri 8/21
7:00 pm-12:13 am
1 stop4h 13m
$344
Kansas CityBoise
MCI - BOI
MCIBOI
Kansas City
Tue 10/20
6:13 am-12:35 pm
1 stop7h 22m
Boise Air Term. Gowen Fld
Sat 10/24
9:09 am-5:18 pm
1 stop7h 09m
$347
Kansas CityBoise
MCI - BOI
MCIBOI
Kansas City
Sat 10/17
3:11 pm-10:06 pm
1 stop7h 55m
Boise Air Term. Gowen Fld
Tue 10/20
9:09 am-5:18 pm
1 stop7h 09m
$347
Kansas CityBoise
MCI - BOI
MCIBOI
Kansas City
Thu 9/3
4:00 pm-11:55 pm
1 stop8h 55m
Boise Air Term. Gowen Fld
Fri 9/11
6:00 am-1:40 pm
2 stops6h 40m
$355
Kansas CityBoise
MCI - BOI
MCIBOI
Kansas City
Wed 8/12
7:25 am-1:40 pm
2 stops7h 15m
Boise Air Term. Gowen Fld
Wed 8/19
6:00 am-3:25 pm
2 stops8h 25m
$357
Kansas CitySpokane
MCI - GEG
MCIGEG
Kansas City
Tue 11/3
2:53 pm-9:31 pm
1 stop8h 38m
Spokane
Wed 11/4
8:14 am-5:15 pm
1 stop7h 01m
$363
Kansas CitySpokane
MCI - GEG
MCIGEG
Kansas City
Sat 8/22
1:34 pm-7:53 pm
1 stop8h 19m
Spokane
Wed 8/26
5:52 am-1:52 pm
1 stop6h 00m
$363
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Kansas City to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from Kansas City with our price prediction graph.
MCI-BOI
MCI-GEG
MCI-IDA
MCI-WYS
MCI-JAC
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 Kansas City to Idaho
MCI-USID
MCI-BOI
MCI-GEG
MCI-IDA
MCI-WYS
What is the cheapest month to book a flight from Kansas City to Idaho?
Currently, April is the cheapest month in which you can book a flight from Kansas City to Idaho (average of $356). Flying from Kansas City to Idaho in May is currently the most expensive (average of $573). 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 Kansas City 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 July 18, 2026.
See what other customers who have flown with Southwest,Alaska Airlines, andDelta from Kansas City to Idaho have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Crew
8.6
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
Find useful and relevant information for your journey from Kansas City to Idaho. 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 Kansas City to Idaho
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Complete your trip
Complete your trip to Idaho by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Kansas City to Idaho, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Kansas City and Idaho flights
Browse other Kansas City and Idaho flight options. Last updated on July 18, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Kansas City to Idaho flights
Consider these flights traveling from Kansas City to Idaho.
Top 4 airlines flying from Kansas City to Idaho
Discover the top 4 airlines that operate flights from Kansas City 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 July 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$186 | Average$373 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$232 | Average$438 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$256 | Average$427 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$320 | Average$494 | FlexibilityNo cancel fee | On-time63% |