$139+ 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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — BOI
Aug 28 — Sep 41
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 29, 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 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Sat 9/51:38 pm
MCI
- BOI
1 stop22h 51m
Frontier
Mon 9/142:50 pm
BOI
- MCI
2 stops27h 47m
Frontier
Deal found 7/28![Frontier logo]()
$232
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 8/213:45 pm
MCI
- GEG
1 stop8h 55m
Southwest
Fri 8/281:50 pm
GEG
- MCI
1 stop5h 35m
Southwest
Deal found 7/24![Southwest logo]()
$277
This United Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/166:00 am
MCI
- BOI
1 stop4h 35m
United Airlines
Fri 8/215:44 pm
BOI
- MCI
1 stop4h 46m
United Airlines
Deal found 7/24![United Airlines logo]()
$277
This United Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 8/211:43 pm
MCI
- GEG
2 stops10h 53m
United Airlines
Fri 8/285:00 am
GEG
- MCI
1 stop5h 37m
United Airlines
Deal found 7/24![United Airlines logo]()
$282
This American Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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.
Sun 8/165:30 am
MCI
- BOI
1 stop6h 46m
American Airlines
Fri 8/211:55 pm
BOI
- MCI
2 stops9h 40m
American Airlines
Deal found 7/24![American Airlines logo]()
$282
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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.
Tue 8/257:00 am
MCI
- BOI
1 stop6h 36m
Alaska Airlines
Tue 9/17:20 am
BOI
- MCI
2 stops15h 39m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$300
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Tue 8/255:30 am
MCI
- BOI
1 stop6h 46m
American Airlines
Tue 9/16:44 am
BOI
- MCI
1 stop5h 54m
American Airlines
Deal found 7/26![American Airlines logo]()
$316
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Mon 8/173:29 pm
MCI
- GEG
1 stop9h 07m
United Airlines
Mon 8/315:00 am
GEG
- MCI
1 stop5h 37m
United Airlines
Deal found 7/26![United Airlines logo]()
$323
This Expedia deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/37:01 am
MCI
- BOI
2 stops15h 59m
Alaska Airlines
Tue 11/106:33 am
BOI
- MCI
1 stop6h 26m
Alaska Airlines
Deal found 7/25![Alaska Airlines logo]()
$326
This Southwest deal was found by Cheapflights users on 7/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:30 pm
MCI
- GEG
1 stop7h 10m
Southwest
Wed 9/27:30 am
GEG
- MCI
2 stops7h 55m
Southwest
Deal found 7/27![Southwest logo]()
$328
This American Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:00 am
MCI
- IDA
1 stop9h 09m
American Airlines
Tue 8/2512:06 pm
IDA
- MCI
1 stop5h 28m
American Airlines
Deal found 7/24![American Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 7/26. 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.
Fri 8/2812:18 pm
MCI
- IDA
2 stops7h 02m
Delta
Tue 9/16:00 am
IDA
- MCI
1 stop7h 08m
Delta
Deal found 7/26![Delta logo]()
$334
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 29, 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 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Sat 9/51:38 pm
MCI
- BOI
1 stop22h 51m
Frontier
Mon 9/142:50 pm
BOI
- MCI
2 stops27h 47m
Frontier
Deal found 7/28![Frontier logo]()
$232
This Southwest deal was found by Cheapflights users on 7/29. 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.
Thu 8/277:00 pm
MCI
- GEG
1 stop6h 15m
Southwest
Fri 8/286:30 am
GEG
- MCI
1 stop6h 35m
Southwest
Deal found 7/29![Southwest logo]()
$277
This United Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 8/211:43 pm
MCI
- GEG
2 stops10h 53m
United Airlines
Fri 8/285:00 am
GEG
- MCI
1 stop5h 37m
United Airlines
Deal found 7/24![United Airlines logo]()
$282
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 9/17:20 am
BOI
- MCI
2 stops15h 39m
Alaska Airlines
Deal found 7/25![Alaska Airlines logo]()
$300
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Tue 8/255:30 am
MCI
- BOI
1 stop6h 46m
American Airlines
Tue 9/16:44 am
BOI
- MCI
1 stop5h 54m
American Airlines
Deal found 7/26![American Airlines logo]()
$316
This Delta deal was found by Cheapflights users on 7/26. 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.
Fri 8/2812:18 pm
MCI
- IDA
2 stops7h 02m
Delta
Tue 9/16:00 am
IDA
- MCI
1 stop7h 08m
Delta
Deal found 7/26![Delta logo]()
$334
This Alaska Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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
- BOI
1 stop6h 36m
Alaska Airlines
Wed 8/262:17 pm
BOI
- MCI
1 stop8h 42m
Alaska Airlines
Deal found 7/24![Alaska Airlines logo]()
$316
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Fri 8/286:00 am
MCI
- IDA
1 stop4h 51m
United Airlines
Tue 9/14:04 pm
IDA
- MCI
1 stop6h 26m
United Airlines
Deal found 7/26![United Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 7/28. 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.
Thu 8/205:00 am
MCI
- IDA
1 stop9h 09m
American Airlines
Tue 8/2512:06 pm
IDA
- MCI
1 stop5h 28m
American Airlines
Deal found 7/28![American Airlines logo]()
$350
This Southwest deal was found by Cheapflights users on 7/28. 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.
Thu 8/273:45 pm
MCI
- GEG
1 stop8h 55m
Southwest
Mon 8/316:55 am
GEG
- MCI
1 stop8h 00m
Southwest
Deal found 7/28![Southwest logo]()
$350
This United Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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
- IDA
1 stop7h 09m
United Airlines
Sat 8/292:25 pm
IDA
- MCI
1 stop5h 14m
United Airlines
Deal found 7/25![United Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/224:45 pm
MCI
- BOI
1 stop7h 40m
Southwest
Tue 9/296:00 am
BOI
- MCI
1 stop7h 45m
Southwest
Deal found 7/24![Southwest logo]()
$355
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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.
Fri 8/287:00 am
MCI
- GEG
1 stop7h 31m
Alaska Airlines
Wed 9/25:52 am
GEG
- MCI
1 stop6h 00m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$368
This United Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 9/206:00 am
MCI
- IDA
1 stop4h 51m
United Airlines
Sat 9/265:51 pm
IDA
- MCI
1 stop4h 24m
United Airlines
Deal found 7/25![United Airlines logo]()
$355
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 9/147:15 pm
MCI
- BOI
1 stop5h 40m
Southwest
Tue 9/153:40 pm
BOI
- MCI
1 stop5h 55m
Southwest
Deal found 7/24![Southwest logo]()
$355
This Alaska Airlines deal was found by Cheapflights users on 7/26. 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.
Tue 11/37:01 am
MCI
- GEG
1 stop6h 31m
Alaska Airlines
Wed 11/41:41 pm
GEG
- MCI
1 stop8h 18m
Alaska Airlines
Deal found 7/26![Alaska Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 7/28. 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.
Thu 11/192:59 pm
MCI
- JAC
1 stop5h 32m
Delta
Tue 11/245:30 pm
JAC
- MCI
1 stop5h 37m
Delta
Deal found 7/28![Delta logo]()
$471
This Southwest deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 15m
Southwest
Sat 9/128:00 am
GEG
- MCI
1 stop5h 45m
Southwest
Deal found 7/25![Southwest logo]()
$364
This United Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 7/25![United Airlines logo]()
$394
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 11/32:55 pm
MCI
- BOI
2 stops7h 35m
Southwest
Tue 11/107:20 am
BOI
- MCI
2 stops7h 10m
Southwest
Deal found 7/24![Southwest logo]()
$366
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/154:45 pm
MCI
- GEG
2 stops7h 45m
Southwest
Wed 9/237:30 am
GEG
- MCI
2 stops7h 55m
Southwest
Deal found 7/24![Southwest logo]()
$379
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Sat 8/156:00 am
MCI
- IDA
1 stop4h 51m
United Airlines
Wed 8/194:04 pm
IDA
- MCI
1 stop6h 26m
United Airlines
Deal found 7/28![United Airlines logo]()
$454
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 8/214:55 pm
MCI
- GEG
2 stops8h 20m
Southwest
Fri 8/2810:55 am
GEG
- MCI
2 stops8h 55m
Southwest
Deal found 7/24![Southwest logo]()
$382
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/287:00 am
MCI
- WYS
1 stop6h 27m
Delta
Mon 8/311:09 pm
WYS
- MCI
2 stops9h 18m
Delta
Deal found 7/29![Delta logo]()
$622
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/119:14 am
MCI
- IDA
1 stop5h 15m
United Airlines
Sat 8/154:04 pm
IDA
- MCI
1 stop6h 26m
United Airlines
Deal found 7/27![United Airlines logo]()
$459
This United Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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.
Mon 9/146:00 am
MCI
- JAC
2 stops8h 45m
United Airlines
Tue 9/224:25 pm
JAC
- MCI
1 stop6h 05m
United Airlines
Deal found 7/25![United Airlines logo]()
$468
This Alaska Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:01 am
MCI
- SUN
1 stop28h 50m
Alaska Airlines
Wed 11/411:33 am
SUN
- MCI
1 stop11h 26m
Alaska Airlines
Deal found 7/24![Alaska Airlines logo]()
$643
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Thu 8/135:13 pm
MCI
- IDA
1 stop5h 05m
United Airlines
Mon 8/175:53 pm
IDA
- MCI
1 stop4h 37m
United Airlines
Deal found 7/28![United Airlines logo]()
$479
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Thu 8/206:00 am
MCI
- IDA
1 stop4h 51m
United Airlines
Tue 8/2510:35 am
IDA
- MCI
2 stops10h 09m
United Airlines
Deal found 7/28![United Airlines logo]()
$484
This Delta deal was found by Cheapflights users on 7/26. 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.
Wed 12/3010:35 am
MCI
- PIH
2 stops12h 11m
Delta
Fri 1/111:44 am
PIH
- MCI
1 stop4h 38m
Delta
Deal found 7/26![Delta logo]()
$923
Last-minute flights from Kansas City to IdahoDiscover last-minute flight deals from Kansas City to Idaho. Data last updated July 29, 2026 and is based on user searches.
Discover last-minute flight deals from Kansas City to Idaho. Data last updated July 29, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/27. 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.
Sat 8/152:09 pm
MCI
- GEG
1 stop8h 33m
American Airlines
Thu 8/275:40 am
GEG
- MCI
1 stop8h 49m
American Airlines
Deal found 7/27![American Airlines logo]()
$347
This United Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/166:00 am
MCI
- BOI
1 stop4h 35m
United Airlines
Fri 8/215:44 pm
BOI
- MCI
1 stop4h 46m
United Airlines
Deal found 7/24![United Airlines logo]()
$277
This American Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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.
Sun 8/165:30 am
MCI
- BOI
1 stop6h 46m
American Airlines
Fri 8/211:55 pm
BOI
- MCI
2 stops9h 40m
American Airlines
Deal found 7/24![American Airlines logo]()
$282
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Mon 8/173:29 pm
MCI
- GEG
1 stop9h 07m
United Airlines
Mon 8/315:00 am
GEG
- MCI
1 stop5h 37m
United Airlines
Deal found 7/26![United Airlines logo]()
$323
This American Airlines deal was found by Cheapflights users on 7/29. 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.
Mon 8/176:00 am
MCI
- BOI
1 stop8h 24m
American Airlines
Wed 8/193:19 pm
BOI
- MCI
1 stop8h 16m
American Airlines
Deal found 7/29![American Airlines logo]()
$347
This American Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:00 am
MCI
- IDA
1 stop9h 09m
American Airlines
Tue 8/2512:06 pm
IDA
- MCI
1 stop5h 28m
American Airlines
Deal found 7/24![American Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 8/213:45 pm
MCI
- GEG
1 stop8h 55m
Southwest
Fri 8/281:50 pm
GEG
- MCI
1 stop5h 35m
Southwest
Deal found 7/24![Southwest logo]()
$277
This United Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 8/211:43 pm
MCI
- GEG
2 stops10h 53m
United Airlines
Fri 8/285:00 am
GEG
- MCI
1 stop5h 37m
United Airlines
Deal found 7/24![United Airlines logo]()
$282
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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.
Tue 8/257:00 am
MCI
- BOI
1 stop6h 36m
Alaska Airlines
Tue 9/17:20 am
BOI
- MCI
2 stops15h 39m
Alaska Airlines
Deal found 7/28![Alaska Airlines logo]()
$300
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Tue 8/255:30 am
MCI
- BOI
1 stop6h 46m
American Airlines
Tue 9/16:44 am
BOI
- MCI
1 stop5h 54m
American Airlines
Deal found 7/26![American Airlines logo]()
$316
This Southwest deal was found by Cheapflights users on 7/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/275:30 pm
MCI
- GEG
1 stop7h 10m
Southwest
Wed 9/27:30 am
GEG
- MCI
2 stops7h 55m
Southwest
Deal found 7/27![Southwest logo]()
$328
This Delta deal was found by Cheapflights users on 7/26. 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.
Fri 8/2812:18 pm
MCI
- IDA
2 stops7h 02m
Delta
Tue 9/16:00 am
IDA
- MCI
1 stop7h 08m
Delta
Deal found 7/26![Delta logo]()
$334
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 29, 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 29, 2026.
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Tue 8/185:13 pm
MCI
- GEG
1 stop5h 33m
United Airlines
Deal found 7/26![United Airlines logo]()
$139
This Southwest deal was found by Cheapflights users on 7/26. 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.
Mon 8/174:55 pm
MCI
- GEG
2 stops8h 20m
Southwest
Deal found 7/26![Southwest logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/271:38 pm
MCI
- IDA
2 stops21h 44m
Multiple Airlines
Deal found 7/27![Multiple Airlines logo]()
$161
This Trip.com deal was found by Cheapflights users on 7/27. 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.
Thu 10/226:14 pm
MCI
- BOI
1 stop6h 40m
Alaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$171
This Kiwi.com deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” 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 7/25![Multiple Airlines logo]()
$175
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:00 am
MCI
- BOI
1 stop4h 35m
United Airlines
Deal found 7/27![United Airlines logo]()
$178
This Southwest deal was found by Cheapflights users on 7/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/14:30 pm
MCI
- GEG
1 stop7h 55m
Southwest
Deal found 7/27![Southwest logo]()
$185
This Delta deal was found by Cheapflights users on 7/28. 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.
Tue 10/65:59 pm
MCI
- IDA
1 stop5h 11m
Delta
Deal found 7/28![Delta logo]()
$186
This Priceline deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/67:00 am
MCI
- GEG
1 stop6h 03m
Alaska Airlines
Deal found 7/25![Alaska Airlines logo]()
$187
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” 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 8/182:30 pm
MCI
- GEG
2 stops9h 10m
Southwest
Deal found 7/24![Southwest logo]()
$189
This Southwest deal was found by Cheapflights users on 7/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/228:40 pm
MCI
- BOI
2 stops15h 40m
Southwest
Deal found 7/27![Southwest logo]()
$189
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:00 am
MCI
- GEG
2 stops12h 46m
United Airlines
Deal found 7/27![United Airlines logo]()
$190
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 29, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $232 (Kiwi.com) |
One-way from | $139 (United Airlines) |
Popular in | February |
Cheapest in | September |
Average price | $442 |
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 29, 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
Sat 9/5
1:38 pm-11:29 am
1 stop22h 51m
Boise Air Term. Gowen Fld
Mon 9/14
2:50 pm-7:37 pm
2 stops27h 47m
$232
Kansas CitySpokane
MCI - GEG
MCIGEG
Kansas City
Thu 8/27
7:00 pm-11:15 pm
1 stop6h 15m
Spokane
Fri 8/28
6:30 am-3:05 pm
1 stop6h 35m
$277
Kansas CitySpokane
MCI - GEG
MCIGEG
Kansas City
Fri 8/21
1:43 pm-10:36 pm
2 stops10h 53m
Spokane
Fri 8/28
5:00 am-12:37 pm
1 stop5h 37m
$282
Kansas CityBoise
MCI - BOI
MCIBOI
Kansas City
Tue 8/25
7:00 am-12:36 pm
1 stop6h 36m
Boise Air Term. Gowen Fld
Tue 9/1
7:20 am-11:59 pm
2 stops15h 39m
$300
Kansas CityBoise
MCI - BOI
MCIBOI
Kansas City
Tue 8/25
5:30 am-11:16 am
1 stop6h 46m
Boise Air Term. Gowen Fld
Tue 9/1
6:44 am-1:38 pm
1 stop5h 54m
$316
Kansas CityBoise
MCI - BOI
MCIBOI
Kansas City
Sat 8/22
7:00 am-12:36 pm
1 stop6h 36m
Boise Air Term. Gowen Fld
Wed 8/26
2:17 pm-11:59 pm
1 stop8h 42m
$316
Kansas CityIdaho Falls
MCI - IDA
MCIIDA
Kansas City
Fri 8/28
6:00 am-9:51 am
1 stop4h 51m
Idaho Falls Fanning Field
Tue 9/1
4:04 pm-11:30 pm
1 stop6h 26m
$329
Kansas CityIdaho Falls
MCI - IDA
MCIIDA
Kansas City
Fri 8/21
9:14 am-3:23 pm
1 stop7h 09m
Idaho Falls Fanning Field
Sat 8/29
2:25 pm-8:39 pm
1 stop5h 14m
$329
Kansas CityIdaho Falls
MCI - IDA
MCIIDA
Kansas City
Fri 8/28
12:18 pm-6:20 pm
2 stops7h 02m
Idaho Falls Fanning Field
Tue 9/1
6:00 am-2:08 pm
1 stop7h 08m
$334
Kansas CityIdaho Falls
MCI - IDA
MCIIDA
Kansas City
Thu 8/20
5:00 am-1:09 pm
1 stop9h 09m
Idaho Falls Fanning Field
Tue 8/25
12:06 pm-6:34 pm
1 stop5h 28m
$350
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-GEG
MCI-BOI
MCI-IDA
MCI-JAC
MCI-WYS
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-GEG
MCI-BOI
MCI-IDA
MCI-JAC
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?
Airfare is below average for this route at the moment.
Kansas City to Idaho flights typically cost between $352 and $494 in September.The cheapest round-trip price found within the last 5 days was $232 on Frontier (Sep 5-Sep 14).
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 29, 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.
Overall
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Overall
8.0
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
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 29, 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 5 airlines flying from Kansas City to Idaho
Discover the top 5 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 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$186 | Average$366 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$198 | Average$352 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$232 | Average$475 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$267 | Average$428 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$320 | Average$494 | FlexibilityNo cancel fee | On-time63% |