$110+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — BOI
Aug 10 — Aug 171
Round-trip
1 adult, Economy
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Find cheap flights from Kansas City to Idaho with Cheapflights
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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 11, 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 11, 2026.
This Delta deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:28 am
MCI
- BOI
1 stop8h 14m
Delta
Tue 9/12:53 pm
BOI
- MCI
1 stop7h 34m
Delta
Deal found 7/8![Delta logo]()
$251
This American Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:30 am
MCI
- BOI
1 stop6h 46m
American Airlines
Thu 9/103:21 pm
BOI
- MCI
1 stop8h 02m
American Airlines
Deal found 7/7![American Airlines logo]()
$253
This American Airlines deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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 8/255:30 am
MCI
- BOI
1 stop6h 46m
American Airlines
Tue 9/11:55 pm
BOI
- MCI
2 stops9h 40m
American Airlines
Deal found 7/9![American Airlines logo]()
$256
This American Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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 8/46:19 pm
MCI
- BOI
1 stop6h 02m
American Airlines
Thu 8/63:19 pm
BOI
- MCI
1 stop8h 16m
American Airlines
Deal found 7/10![American Airlines logo]()
$257
This Southwest deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:15 pm
MCI
- GEG
1 stop6h 40m
Southwest
Sat 8/158:00 am
GEG
- MCI
1 stop5h 45m
Southwest
Deal found 7/6![Southwest logo]()
$258
This American Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:29 am
MCI
- BOI
1 stop6h 47m
American Airlines
Sat 8/221:55 pm
BOI
- MCI
2 stops7h 55m
American Airlines
Deal found 7/7![American Airlines logo]()
$258
This Delta deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:01 pm
MCI
- GEG
1 stop7h 52m
Delta
Wed 9/22:05 pm
GEG
- MCI
1 stop7h 22m
Delta
Deal found 7/9![Delta logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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
Tue 9/81:24 pm
BOI
- MCI
1 stop22h 58m
Frontier
Deal found 7/9![Frontier logo]()
$262
This Southwest deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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 9/147:00 pm
MCI
- GEG
1 stop6h 15m
Southwest
Thu 9/1712:20 pm
GEG
- MCI
1 stop9h 50m
Southwest
Deal found 7/9![Southwest logo]()
$263
This Delta deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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 8/286:01 pm
MCI
- BOI
1 stop4h 59m
Delta
Mon 8/316:00 am
BOI
- MCI
1 stop7h 08m
Delta
Deal found 7/9![Delta logo]()
$267
This Delta deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/63:04 pm
MCI
- GEG
1 stop5h 15m
Delta
Wed 8/125:30 am
GEG
- MCI
1 stop6h 38m
Delta
Deal found 7/7![Delta logo]()
$272
This United Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/291:43 pm
MCI
- BOI
2 stops8h 41m
United Airlines
Fri 9/45:44 pm
BOI
- MCI
1 stop4h 46m
United Airlines
Deal found 7/8![United Airlines logo]()
$272
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 11, 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 11, 2026.
This Delta deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:28 am
MCI
- BOI
1 stop8h 14m
Delta
Tue 9/12:53 pm
BOI
- MCI
1 stop7h 34m
Delta
Deal found 7/10![Delta logo]()
$251
This Southwest deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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 9/147:00 pm
MCI
- GEG
1 stop6h 15m
Southwest
Thu 9/1712:20 pm
GEG
- MCI
1 stop9h 50m
Southwest
Deal found 7/9![Southwest logo]()
$263
This United Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/2910:00 am
MCI
- BOI
2 stops8h 58m
United Airlines
Fri 9/45:44 pm
BOI
- MCI
1 stop4h 46m
United Airlines
Deal found 7/8![United Airlines logo]()
$272
This Alaska Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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 8/227:00 am
MCI
- GEG
1 stop6h 03m
Alaska Airlines
Wed 8/261:27 pm
GEG
- MCI
1 stop8h 32m
Alaska Airlines
Deal found 7/10![Alaska Airlines logo]()
$335
This Delta deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:01 pm
MCI
- GEG
1 stop7h 52m
Delta
Wed 9/22:05 pm
GEG
- MCI
1 stop7h 22m
Delta
Deal found 7/8![Delta logo]()
$272
This United Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:00 am
MCI
- IDA
1 stop4h 50m
United Airlines
Tue 8/114:04 pm
IDA
- MCI
1 stop6h 26m
United Airlines
Deal found 7/8![United Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/244:55 pm
MCI
- BOI
2 stops8h 00m
Southwest
Fri 8/286:00 am
BOI
- MCI
2 stops8h 05m
Southwest
Deal found 7/10![Southwest logo]()
$320
This Delta deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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 9/26:28 am
MCI
- BOI
1 stop8h 14m
Delta
Sun 9/66:00 am
BOI
- MCI
1 stop7h 08m
Delta
Deal found 7/9![Delta logo]()
$296
This Alaska Airlines deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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 7/9![Alaska Airlines logo]()
$342
This United Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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 8/136:00 am
MCI
- BOI
1 stop4h 35m
United Airlines
Sun 8/165:44 pm
BOI
- MCI
1 stop4h 46m
United Airlines
Deal found 7/10![United Airlines logo]()
$349
This Delta deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/223:03 pm
MCI
- IDA
1 stop4h 17m
Delta
Sat 8/293:17 pm
IDA
- MCI
1 stop4h 51m
Delta
Deal found 7/11![Delta logo]()
$319
This Alaska Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 10/276:13 am
MCI
- GEG
1 stop7h 26m
Alaska Airlines
Wed 10/286:00 am
GEG
- MCI
1 stop6h 17m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$351
This Southwest deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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
- GEG
1 stop7h 05m
Southwest
Mon 8/176:55 am
GEG
- MCI
2 stops9h 40m
Southwest
Deal found 7/10![Southwest logo]()
$356
This Delta deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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 10/16:05 pm
MCI
- IDA
1 stop5h 17m
Delta
Mon 10/56:57 pm
IDA
- MCI
1 stop4h 18m
Delta
Deal found 7/10![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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 8/2210:00 am
MCI
- IDA
2 stops8h 16m
United Airlines
Sat 8/292:25 pm
IDA
- MCI
1 stop5h 14m
United Airlines
Deal found 7/10![United Airlines logo]()
$366
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 10/163:40 pm
MCI
- GEG
2 stops10h 00m
Southwest
Wed 10/217:35 am
GEG
- MCI
2 stops8h 40m
Southwest
Deal found 7/7![Southwest logo]()
$370
This Delta deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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 10/27:00 am
MCI
- IDA
1 stop6h 15m
Delta
Mon 10/56:57 pm
IDA
- MCI
1 stop4h 18m
Delta
Deal found 7/10![Delta logo]()
$319
This Alaska Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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
1 stop6h 36m
Alaska Airlines
Tue 9/12:17 pm
BOI
- MCI
1 stop8h 42m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$387
This Southwest deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:15 pm
MCI
- BOI
1 stop6h 05m
Southwest
Tue 8/116:00 am
BOI
- MCI
2 stops8h 25m
Southwest
Deal found 7/11![Southwest logo]()
$372
This United Airlines deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/215:45 am
MCI
- IDA
1 stop5h 08m
United Airlines
Thu 11/262:32 pm
IDA
- MCI
1 stop5h 02m
United Airlines
Deal found 7/11![United Airlines logo]()
$373
This United Airlines deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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 8/86:16 am
MCI
- GEG
1 stop7h 31m
United Airlines
Fri 8/145:00 am
GEG
- MCI
1 stop5h 37m
United Airlines
Deal found 7/9![United Airlines logo]()
$386
This Southwest deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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 9/44:55 pm
MCI
- GEG
2 stops8h 20m
Southwest
Wed 9/167:30 am
GEG
- MCI
1 stop5h 55m
Southwest
Deal found 7/10![Southwest logo]()
$386
This Delta deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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 8/2212:18 pm
MCI
- PIH
2 stops7h 05m
Delta
Sat 8/297:00 pm
PIH
- MCI
2 stops13h 19m
Delta
Deal found 7/10![Delta logo]()
$361
This United Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:00 am
MCI
- SUN
1 stop5h 53m
United Airlines
Tue 10/207:00 am
SUN
- MCI
1 stop4h 42m
United Airlines
Deal found 7/10![United Airlines logo]()
$387
This Southwest deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/117:05 am
MCI
- GEG
1 stop6h 45m
Southwest
Sat 8/158:00 am
GEG
- MCI
1 stop5h 45m
Southwest
Deal found 7/6![Southwest logo]()
$398
This Delta deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:00 am
MCI
- GEG
1 stop7h 14m
Delta
Sun 9/135:15 pm
GEG
- MCI
1 stop5h 00m
Delta
Deal found 7/9![Delta logo]()
$365
This United Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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 8/221:08 pm
MCI
- GEG
2 stops9h 38m
United Airlines
Wed 8/261:37 pm
GEG
- MCI
1 stop4h 57m
United Airlines
Deal found 7/10![United Airlines logo]()
$391
This Delta deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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 10/2012:53 pm
SUN
- MCI
2 stops10h 05m
Delta
Deal found 7/10![Delta logo]()
$392
This United Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/11:40 pm
MCI
- BOI
1 stop5h 16m
United Airlines
Sat 8/82:40 pm
BOI
- MCI
1 stop5h 38m
United Airlines
Deal found 7/8![United Airlines logo]()
$393
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” 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 8/17:20 pm
MCI
- BOI
1 stop5h 35m
Southwest
Sat 8/87:45 am
BOI
- MCI
1 stop5h 45m
Southwest
Deal found 7/7![Southwest logo]()
$439
Last-minute flights from Kansas City to IdahoDiscover last-minute flight deals from Kansas City to Idaho. Data last updated July 11, 2026 and is based on user searches.
Discover last-minute flight deals from Kansas City to Idaho. Data last updated July 11, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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 8/46:19 pm
MCI
- BOI
1 stop6h 02m
American Airlines
Thu 8/63:19 pm
BOI
- MCI
1 stop8h 16m
American Airlines
Deal found 7/10![American Airlines logo]()
$257
This Delta deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/63:04 pm
MCI
- GEG
1 stop5h 15m
Delta
Wed 8/125:30 am
GEG
- MCI
1 stop6h 38m
Delta
Deal found 7/7![Delta logo]()
$272
This Southwest deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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 8/67:00 pm
MCI
- GEG
1 stop6h 15m
Southwest
Thu 8/1312:20 pm
GEG
- MCI
1 stop9h 50m
Southwest
Deal found 7/9![Southwest logo]()
$284
This Southwest deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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 8/77:00 pm
MCI
- BOI
1 stop5h 35m
Southwest
Fri 8/146:00 am
BOI
- MCI
1 stop5h 50m
Southwest
Deal found 7/10![Southwest logo]()
$283
This American Airlines deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/76:20 am
MCI
- BOI
1 stop5h 56m
American Airlines
Fri 8/141:55 pm
BOI
- MCI
2 stops9h 40m
American Airlines
Deal found 7/10![American Airlines logo]()
$288
This Southwest deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:15 pm
MCI
- GEG
1 stop6h 40m
Southwest
Sat 8/158:00 am
GEG
- MCI
1 stop5h 45m
Southwest
Deal found 7/6![Southwest logo]()
$258
This American Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:29 am
MCI
- BOI
1 stop6h 47m
American Airlines
Sat 8/221:55 pm
BOI
- MCI
2 stops7h 55m
American Airlines
Deal found 7/7![American Airlines logo]()
$258
This Delta deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:28 am
MCI
- BOI
1 stop8h 14m
Delta
Tue 9/12:53 pm
BOI
- MCI
1 stop7h 34m
Delta
Deal found 7/8![Delta logo]()
$251
This American Airlines deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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 8/255:30 am
MCI
- BOI
1 stop6h 46m
American Airlines
Tue 9/11:55 pm
BOI
- MCI
2 stops9h 40m
American Airlines
Deal found 7/9![American Airlines logo]()
$256
This Delta deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:01 pm
MCI
- GEG
1 stop7h 52m
Delta
Wed 9/22:05 pm
GEG
- MCI
1 stop7h 22m
Delta
Deal found 7/9![Delta logo]()
$262
This Delta deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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 8/286:01 pm
MCI
- BOI
1 stop4h 59m
Delta
Mon 8/316:00 am
BOI
- MCI
1 stop7h 08m
Delta
Deal found 7/9![Delta logo]()
$267
This United Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/291:43 pm
MCI
- BOI
2 stops8h 41m
United Airlines
Fri 9/45:44 pm
BOI
- MCI
1 stop4h 46m
United Airlines
Deal found 7/8![United Airlines logo]()
$272
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 11, 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 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” 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 8/51:45 pm
MCI
- BOI
1 stop23h 44m
Frontier
Deal found 7/10![Frontier logo]()
$110
This Delta deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/55:40 pm
MCI
- BOI
1 stop7h 19m
Delta
Deal found 7/8![Delta logo]()
$126
This Delta deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:40 am
MCI
- GEG
1 stop7h 25m
Delta
Deal found 7/10![Delta logo]()
$131
This United Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 8/51:40 pm
MCI
- BOI
2 stops9h 25m
United Airlines
Deal found 7/8![United Airlines logo]()
$131
This Southwest deal was found by Cheapflights users on 7/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:55 pm
MCI
- GEG
2 stops9h 10m
Southwest
Deal found 7/10![Southwest logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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 8/151:45 pm
MCI
- IDA
2 stops20h 13m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$139
This Southwest deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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 9/75:30 pm
MCI
- GEG
1 stop7h 10m
Southwest
Deal found 7/8![Southwest logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” 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 8/171:45 pm
MCI
- IDA
2 stops46h 11m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$153
This Kiwi.com deal was found by Cheapflights users on 7/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/164:32 pm
MCI
- IDA
1 stop24h 33m
Multiple Airlines
Deal found 7/9![Multiple Airlines logo]()
$159
This Priceline deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” 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.
Fri 9/117:00 am
MCI
- GEG
1 stop7h 39m
Alaska Airlines
Deal found 7/8![Alaska Airlines logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/81:45 pm
MCI
- GEG
2 stops32h 39m
Multiple Airlines
Deal found 7/11![Multiple Airlines logo]()
$179
This Southwest deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/85:00 pm
MCI
- GEG
1 stop6h 25m
Southwest
Deal found 7/11![Southwest logo]()
$182
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 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $251 (Delta) |
One-way from | $110 (Kiwi.com) |
Popular in | February |
Cheapest in | September |
Average price | $504 |
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 11, 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 CityBoise
MCI - BOI
MCIBOI
Kansas City
Tue 8/25
6:28 am-1:42 pm
1 stop8h 14m
Boise Air Term. Gowen Fld
Tue 9/1
2:53 pm-11:27 pm
1 stop7h 34m
$251
Kansas CitySpokane
MCI - GEG
MCIGEG
Kansas City
Mon 9/14
7:00 pm-11:15 pm
1 stop6h 15m
Spokane
Thu 9/17
12:20 pm-12:10 am
1 stop9h 50m
$263
Kansas CityBoise
MCI - BOI
MCIBOI
Kansas City
Sat 8/29
10:00 am-5:58 pm
2 stops8h 58m
Boise Air Term. Gowen Fld
Fri 9/4
5:44 pm-11:30 pm
1 stop4h 46m
$272
Kansas CitySpokane
MCI - GEG
MCIGEG
Kansas City
Thu 8/27
6:01 pm-11:53 pm
1 stop7h 52m
Spokane
Wed 9/2
2:05 pm-11:27 pm
1 stop7h 22m
$272
Kansas CityBoise
MCI - BOI
MCIBOI
Kansas City
Wed 9/2
6:28 am-1:42 pm
1 stop8h 14m
Boise Air Term. Gowen Fld
Sun 9/6
6:00 am-2:08 pm
1 stop7h 08m
$296
Kansas CityIdaho Falls
MCI - IDA
MCIIDA
Kansas City
Tue 8/4
6:00 am-9:50 am
1 stop4h 50m
Idaho Falls Fanning Field
Tue 8/11
4:04 pm-11:30 pm
1 stop6h 26m
$319
Quickest 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
3:17 pm-9:08 pm
1 stop4h 51m
$319
Kansas CityIdaho Falls
MCI - IDA
MCIIDA
Kansas City
Thu 10/1
6:05 pm-10:22 pm
1 stop5h 17m
Idaho Falls Fanning Field
Mon 10/5
6:57 pm-12:15 am
1 stop4h 18m
$319
Kansas CityIdaho Falls
MCI - IDA
MCIIDA
Kansas City
Fri 10/2
7:00 am-12:15 pm
1 stop6h 15m
Idaho Falls Fanning Field
Mon 10/5
6:57 pm-12:15 am
1 stop4h 18m
$319
Kansas CityBoise
MCI - BOI
MCIBOI
Kansas City
Mon 8/24
4:55 pm-11:55 pm
2 stops8h 00m
Boise Air Term. Gowen Fld
Fri 8/28
6:00 am-3:05 pm
2 stops8h 05m
$320
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-PIH
MCI-SUN
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-PIH
What is the cheapest month to book a flight from Kansas City to Idaho?
Currently, August is the cheapest month in which you can book a flight from Kansas City to Idaho (average of $154). Flying from Kansas City to Idaho in June is currently the most expensive (average of $360). 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 11, 2026.
See what other customers who have flown with Alaska Airlines,Southwest, 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.
Boarding
8.1
Comfort
7.8
Food
7.0
Crew
8.5
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Comfort
7.8
Food
7.0
Crew
8.5
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Comfort
7.8
Food
7.0
Crew
8.5
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Comfort
7.8
Food
7.0
Crew
8.5
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Comfort
7.8
Food
7.0
Crew
8.5
Overall
7.9
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
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
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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 11, 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 11, 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% |