$128+ 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — BOI
May 11 — May 181
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Kansas City to Idaho with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Kansas City to Idaho
Cheapest
Best
Last-minute
One-way
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 April 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 April 11, 2026.
This Expedia deal was found by Cheapflights users on 4/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:00 am
MCI
- BOI
1 stop9h 33m
Alaska Airlines
Wed 5/136:35 am
BOI
- MCI
1 stop6h 22m
Alaska Airlines
Deal found 4/8![Alaska Airlines logo]()
$307
This United Airlines deal was found by Cheapflights users on 4/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/131:50 pm
MCI
- BOI
2 stops9h 26m
United Airlines
Tue 5/195:00 am
BOI
- MCI
1 stop4h 33m
United Airlines
Deal found 4/6![United Airlines logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/162:34 pm
MCI
- GEG
2 stops31h 55m
Multiple Airlines
Mon 5/2512:33 pm
GEG
- MCI
1 stop23h 16m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 4/7. 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.
Wed 4/226:30 am
MCI
- JAC
1 stop7h 11m
American Airlines
Tue 4/281:25 pm
JAC
- MCI
1 stop8h 25m
American Airlines
Deal found 4/7![American Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/202:34 pm
MCI
- GEG
2 stops31h 21m
Multiple Airlines
Mon 5/2512:33 pm
GEG
- MCI
1 stop23h 16m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$337
This United Airlines deal was found by Cheapflights users on 4/8. 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 5/611:29 am
MCI
- BOI
2 stops8h 42m
United Airlines
Wed 5/136:30 am
BOI
- MCI
1 stop5h 13m
United Airlines
Deal found 4/8![United Airlines logo]()
$346
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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.
Wed 5/135:52 pm
MCI
- GEG
1 stop7h 14m
Alaska Airlines
Wed 5/275:00 am
GEG
- MCI
1 stop9h 57m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$347
This Delta deal was found by Cheapflights users on 4/7. 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.
Tue 4/212:15 pm
MCI
- JAC
1 stop5h 46m
Delta
Tue 4/285:11 pm
JAC
- MCI
1 stop6h 27m
Delta
Deal found 4/7![Delta logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/162:34 pm
MCI
- GEG
2 stops31h 55m
Multiple Airlines
Sun 5/248:45 pm
GEG
- MCI
1 stop19h 23m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$351
This Southwest deal was found by Cheapflights users on 4/9. 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.
Sat 5/306:05 pm
MCI
- GEG
1 stop5h 10m
Southwest
Wed 6/35:10 am
GEG
- MCI
1 stop5h 50m
Southwest
Deal found 4/9![Southwest logo]()
$352
This Delta deal was found by Cheapflights users on 4/10. 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 5/286:40 am
MCI
- IDA
1 stop5h 07m
Delta
Sun 6/147:07 pm
IDA
- MCI
1 stop4h 11m
Delta
Deal found 4/10![Delta logo]()
$354
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/181:45 pm
MCI
- BOI
1 stop23h 24m
Frontier
Sun 7/261:04 pm
BOI
- MCI
1 stop22h 56m
Frontier
Deal found 4/6![Frontier logo]()
$354
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 April 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 April 11, 2026.
This United Airlines deal was found by Cheapflights users on 4/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/131:50 pm
MCI
- BOI
2 stops9h 26m
United Airlines
Tue 5/195:00 am
BOI
- MCI
1 stop4h 33m
United Airlines
Deal found 4/6![United Airlines logo]()
$312
This Delta deal was found by Cheapflights users on 4/10. 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 8/72:56 pm
MCI
- JAC
1 stop7h 33m
Delta
Tue 8/115:30 pm
JAC
- MCI
1 stop5h 50m
Delta
Deal found 4/10![Delta logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/65:52 pm
MCI
- GEG
1 stop16h 36m
Alaska Airlines
Mon 6/812:46 pm
GEG
- MCI
1 stop9h 03m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$381
This Southwest deal was found by Cheapflights users on 4/6. 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.
Mon 6/15:55 pm
MCI
- BOI
2 stops7h 50m
Southwest
Sat 6/135:10 pm
BOI
- MCI
1 stop6h 30m
Southwest
Deal found 4/6![Southwest logo]()
$404
This Delta deal was found by Cheapflights users on 4/9. 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 7/22:56 pm
MCI
- JAC
1 stop7h 24m
Delta
Tue 7/76:06 pm
JAC
- MCI
1 stop5h 07m
Delta
Deal found 4/9![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 4/10. 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.
Mon 8/179:10 am
MCI
- WYS
1 stop5h 10m
United Airlines
Fri 8/212:02 pm
WYS
- MCI
1 stop5h 49m
United Airlines
Deal found 4/10![United Airlines logo]()
$355
This Delta deal was found by Cheapflights users on 4/10. 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 6/66:40 am
MCI
- GEG
1 stop7h 21m
Delta
Mon 6/81:00 pm
GEG
- MCI
1 stop8h 09m
Delta
Deal found 4/10![Delta logo]()
$362
This Southwest deal was found by Cheapflights users on 4/6. 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.
Mon 6/18:20 pm
MCI
- GEG
1 stop6h 10m
Southwest
Sat 6/135:50 am
GEG
- MCI
2 stops9h 35m
Southwest
Deal found 4/6![Southwest logo]()
$417
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/57:55 pm
MCI
- IDA
1 stop20h 31m
Alaska Airlines
Mon 6/81:54 pm
IDA
- MCI
1 stop8h 55m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 4/8. 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.
Fri 5/18:49 am
MCI
- SUN
1 stop5h 49m
United Airlines
Tue 5/52:30 pm
SUN
- MCI
1 stop5h 11m
United Airlines
Deal found 4/8![United Airlines logo]()
$391
This Delta deal was found by Cheapflights users on 4/10. 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 8/62:56 pm
MCI
- JAC
1 stop7h 33m
Delta
Tue 8/115:30 pm
JAC
- MCI
1 stop5h 50m
Delta
Deal found 4/10![Delta logo]()
$389
This United Airlines deal was found by Cheapflights users on 4/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/58:49 am
MCI
- SUN
1 stop5h 49m
United Airlines
Wed 5/62:30 pm
SUN
- MCI
1 stop5h 11m
United Airlines
Deal found 4/6![United Airlines logo]()
$391
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/27:00 am
MCI
- IDA
1 stop9h 29m
Alaska Airlines
Tue 5/56:00 am
IDA
- MCI
1 stop7h 04m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$439
This Southwest deal was found by Cheapflights users on 4/6. 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.
Sat 6/205:45 am
MCI
- GEG
1 stop6h 30m
Southwest
Fri 6/265:10 pm
GEG
- MCI
1 stop6h 30m
Southwest
Deal found 4/6![Southwest logo]()
$448
This Delta deal was found by Cheapflights users on 4/9. 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 5/207:40 pm
MCI
- GEG
1 stop5h 55m
Delta
Mon 5/251:11 pm
GEG
- MCI
1 stop7h 59m
Delta
Deal found 4/9![Delta logo]()
$393
This United Airlines deal was found by Cheapflights users on 4/9. 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.
Wed 7/224:26 pm
MCI
- BOI
1 stop6h 39m
United Airlines
Sun 7/265:46 pm
BOI
- MCI
1 stop4h 39m
United Airlines
Deal found 4/9![United Airlines logo]()
$417
This Southwest deal was found by Cheapflights users on 4/9. 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.
Sat 6/132:15 pm
MCI
- GEG
2 stops9h 45m
Southwest
Thu 6/182:15 pm
GEG
- MCI
2 stops8h 15m
Southwest
Deal found 4/9![Southwest logo]()
$467
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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.
Wed 4/227:00 am
MCI
- IDA
1 stop9h 29m
Alaska Airlines
Sun 4/266:00 am
IDA
- MCI
1 stop7h 04m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$481
This Delta deal was found by Cheapflights users on 4/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:40 am
MCI
- IDA
1 stop4h 59m
Delta
Wed 9/96:50 pm
IDA
- MCI
1 stop4h 30m
Delta
Deal found 4/6![Delta logo]()
$414
This United Airlines deal was found by Cheapflights users on 4/10. 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 5/26:00 am
MCI
- IDA
1 stop4h 55m
United Airlines
Tue 5/56:30 am
IDA
- MCI
1 stop5h 13m
United Airlines
Deal found 4/10![United Airlines logo]()
$419
This Southwest deal was found by Cheapflights users on 4/9. 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 6/187:10 pm
MCI
- GEG
2 stops8h 10m
Southwest
Mon 6/225:10 pm
GEG
- MCI
1 stop6h 30m
Southwest
Deal found 4/9![Southwest logo]()
$488
This United Airlines deal was found by Cheapflights users on 4/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2111:30 am
MCI
- JAC
2 stops10h 23m
United Airlines
Sat 4/2510:40 am
JAC
- MCI
2 stops10h 19m
United Airlines
Deal found 4/6![United Airlines logo]()
$419
This Delta deal was found by Cheapflights users on 4/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/207:02 am
MCI
- IDA
1 stop4h 41m
Delta
Wed 6/247:07 pm
IDA
- MCI
1 stop4h 11m
Delta
Deal found 4/6![Delta logo]()
$429
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/212:23 pm
MCI
- BOI
1 stop9h 34m
Alaska Airlines
Wed 4/222:57 pm
BOI
- MCI
1 stop8h 02m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$527
This United Airlines deal was found by Cheapflights users on 4/10. 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.
Sun 5/316:00 am
MCI
- IDA
1 stop4h 50m
United Airlines
Tue 6/94:10 pm
IDA
- MCI
1 stop6h 15m
United Airlines
Deal found 4/10![United Airlines logo]()
$425
This Southwest deal was found by Cheapflights users on 4/6. 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.
Sat 7/182:15 pm
MCI
- BOI
2 stops9h 20m
Southwest
Sat 7/257:25 am
BOI
- MCI
2 stops9h 00m
Southwest
Deal found 4/6![Southwest logo]()
$527
This Delta deal was found by Cheapflights users on 4/8. 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 6/36:40 am
MCI
- IDA
1 stop5h 07m
Delta
Wed 6/107:07 pm
IDA
- MCI
1 stop4h 11m
Delta
Deal found 4/8![Delta logo]()
$449
This Southwest deal was found by Cheapflights users on 4/10. 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.
Sun 5/106:55 pm
MCI
- BOI
2 stops7h 30m
Southwest
Sun 5/177:15 am
BOI
- MCI
2 stops8h 45m
Southwest
Deal found 4/10![Southwest logo]()
$527
This Delta deal was found by Cheapflights users on 4/7. 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 9/176:40 am
MCI
- JAC
1 stop5h 09m
Delta
Sun 9/205:30 pm
JAC
- MCI
1 stop5h 50m
Delta
Deal found 4/7![Delta logo]()
$449
This United Airlines deal was found by Cheapflights users on 4/8. 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.
Mon 6/11:50 pm
MCI
- JAC
1 stop5h 04m
United Airlines
Fri 6/51:42 pm
JAC
- MCI
1 stop6h 01m
United Airlines
Deal found 4/8![United Airlines logo]()
$453
Last-minute flights from Kansas City to IdahoDiscover last-minute flight deals from Kansas City to Idaho. Data last updated April 11, 2026 and is based on user searches.
Discover last-minute flight deals from Kansas City to Idaho. Data last updated April 11, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/7. 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.
Tue 4/212:15 pm
MCI
- JAC
1 stop5h 46m
Delta
Tue 4/285:11 pm
JAC
- MCI
1 stop6h 27m
Delta
Deal found 4/7![Delta logo]()
$349
This American Airlines deal was found by Cheapflights users on 4/7. 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.
Wed 4/226:30 am
MCI
- JAC
1 stop7h 11m
American Airlines
Tue 4/281:25 pm
JAC
- MCI
1 stop8h 25m
American Airlines
Deal found 4/7![American Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 4/8. 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.
Thu 4/308:20 pm
MCI
- GEG
1 stop6h 10m
Southwest
Tue 5/57:00 am
GEG
- MCI
1 stop6h 50m
Southwest
Deal found 4/8![Southwest logo]()
$357
This Expedia deal was found by Cheapflights users on 4/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:00 am
MCI
- BOI
1 stop9h 33m
Alaska Airlines
Wed 5/136:35 am
BOI
- MCI
1 stop6h 22m
Alaska Airlines
Deal found 4/8![Alaska Airlines logo]()
$307
This United Airlines deal was found by Cheapflights users on 4/8. 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 5/611:29 am
MCI
- BOI
2 stops8h 42m
United Airlines
Wed 5/136:30 am
BOI
- MCI
1 stop5h 13m
United Airlines
Deal found 4/8![United Airlines logo]()
$346
This United Airlines deal was found by Cheapflights users on 4/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/131:50 pm
MCI
- BOI
2 stops9h 26m
United Airlines
Tue 5/195:00 am
BOI
- MCI
1 stop4h 33m
United Airlines
Deal found 4/6![United Airlines logo]()
$312
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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.
Wed 5/135:52 pm
MCI
- GEG
1 stop7h 14m
Alaska Airlines
Wed 5/275:00 am
GEG
- MCI
1 stop9h 57m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/162:34 pm
MCI
- GEG
2 stops31h 55m
Multiple Airlines
Mon 5/2512:33 pm
GEG
- MCI
1 stop23h 16m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/162:34 pm
MCI
- GEG
2 stops31h 55m
Multiple Airlines
Sun 5/248:45 pm
GEG
- MCI
1 stop19h 23m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$351
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/202:34 pm
MCI
- GEG
2 stops31h 21m
Multiple Airlines
Mon 5/2512:33 pm
GEG
- MCI
1 stop23h 16m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$337
This Delta deal was found by Cheapflights users on 4/10. 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 5/286:40 am
MCI
- IDA
1 stop5h 07m
Delta
Sun 6/147:07 pm
IDA
- MCI
1 stop4h 11m
Delta
Deal found 4/10![Delta logo]()
$354
This Southwest deal was found by Cheapflights users on 4/9. 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.
Sat 5/306:05 pm
MCI
- GEG
1 stop5h 10m
Southwest
Wed 6/35:10 am
GEG
- MCI
1 stop5h 50m
Southwest
Deal found 4/9![Southwest logo]()
$352
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 April 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 April 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/92:34 pm
MCI
- BOI
1 stop22h 53m
Frontier
Deal found 4/6![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/132:34 pm
MCI
- BOI
1 stop22h 53m
Frontier
Deal found 4/8![Frontier logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/92:34 pm
MCI
- BOI
2 stops24h 49m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$149
This American Airlines deal was found by Cheapflights users on 4/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/285:33 am
MCI
- BOI
1 stop8h 16m
American Airlines
Deal found 4/6![American Airlines logo]()
$154
This United Airlines deal was found by Cheapflights users on 4/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2811:30 am
MCI
- BOI
2 stops10h 52m
United Airlines
Deal found 4/7![United Airlines logo]()
$159
This Alaska Airlines deal was found by Cheapflights users on 4/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/45:11 pm
MCI
- BOI
1 stop7h 48m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$166
This United Airlines deal was found by Cheapflights users on 4/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/41:50 pm
MCI
- BOI
2 stops9h 26m
United Airlines
Deal found 4/6![United Airlines logo]()
$171
This Southwest deal was found by Cheapflights users on 4/8. 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.
Tue 5/196:30 pm
MCI
- BOI
1 stop6h 00m
Southwest
Deal found 4/8![Southwest logo]()
$176
This United Airlines deal was found by Cheapflights users on 4/8. 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.
Mon 6/89:10 am
MCI
- GEG
1 stop8h 02m
United Airlines
Deal found 4/8![United Airlines logo]()
$184
This Kiwi.com deal was found by Cheapflights users on 4/7. 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 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 24m
Frontier
Deal found 4/7![Frontier logo]()
$186
This Southwest deal was found by Cheapflights users on 4/8. 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 6/87:10 pm
MCI
- GEG
2 stops8h 10m
Southwest
Deal found 4/8![Southwest logo]()
$189
This American Airlines deal was found by Cheapflights users on 4/7. 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.
Tue 8/45:30 am
MCI
- BOI
1 stop6h 51m
American Airlines
Deal found 4/7![American Airlines logo]()
$194
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 April 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $307 (Expedia) |
One-way from | $128 (Kiwi.com) |
Popular in | February |
Cheapest in | September |
Average price | $356 |
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 April 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
Wed 5/13
1:50 pm-10:16 pm
2 stops9h 26m
Boise Air Term. Gowen Fld
Tue 5/19
5:00 am-10:33 am
1 stop4h 33m
$312
Kansas CityJackson
MCI - JAC
MCIJAC
Kansas City
Fri 8/7
2:56 pm-9:29 pm
1 stop7h 33m
Jackson Hole
Tue 8/11
5:30 pm-12:20 am
1 stop5h 50m
$329
Kansas CityJackson
MCI - JAC
MCIJAC
Kansas City
Thu 7/2
2:56 pm-9:20 pm
1 stop7h 24m
Jackson Hole
Tue 7/7
6:06 pm-12:13 am
1 stop5h 07m
$349
Kansas CityWest Yellowstone
MCI - WYS
MCIWYS
Kansas City
Mon 8/17
9:10 am-1:20 pm
1 stop5h 10m
West Yellowstone
Fri 8/21
2:02 pm-8:51 pm
1 stop5h 49m
$355
Kansas CitySpokane
MCI - GEG
MCIGEG
Kansas City
Sat 6/6
6:40 am-12:01 pm
1 stop7h 21m
Spokane
Mon 6/8
1:00 pm-11:09 pm
1 stop8h 09m
$362
Kansas CitySpokane
MCI - GEG
MCIGEG
Kansas City
Sat 6/6
5:52 pm-8:28 am
1 stop16h 36m
Spokane
Mon 6/8
12:46 pm-11:49 pm
1 stop9h 03m
$381
Kansas CityJackson
MCI - JAC
MCIJAC
Kansas City
Thu 8/6
2:56 pm-9:29 pm
1 stop7h 33m
Jackson Hole
Tue 8/11
5:30 pm-12:20 am
1 stop5h 50m
$389
Kansas CityHailey
MCI - SUN
MCISUN
Kansas City
Fri 5/1
8:49 am-1:38 pm
1 stop5h 49m
Hailey Sun Valley-Friedman
Tue 5/5
2:30 pm-8:41 pm
1 stop5h 11m
$391
Kansas CityHailey
MCI - SUN
MCISUN
Kansas City
Tue 5/5
8:49 am-1:38 pm
1 stop5h 49m
Hailey Sun Valley-Friedman
Wed 5/6
2:30 pm-8:41 pm
1 stop5h 11m
$391
Kansas CitySpokane
MCI - GEG
MCIGEG
Kansas City
Wed 5/20
7:40 pm-11:35 pm
1 stop5h 55m
Spokane
Mon 5/25
1:11 pm-11:10 pm
1 stop7h 59m
$393
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-JAC
MCI-IDA
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-JAC
MCI-IDA
What is the cheapest month to book a flight from Kansas City to Idaho?
Currently, June is the cheapest month in which you can book a flight from Kansas City to Idaho (average of $133). Flying from Kansas City to Idaho in January is currently the most expensive (average of $311). 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 April 11, 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.
Food
7.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Food
7.0
Crew
8.6
Overall
8.0
Entertainment
7.5
Comfort
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Alternative routes for Kansas City to Idaho
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Idaho by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Kansas City to Idaho by cabin class
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 April 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 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 April 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$133 | Average$327 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$198 | Average$355 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$232 | Average$362 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$252 | Average$442 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$266 | Average$475 | FlexibilityNo cancel fee | On-time63% |