$133+ 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — BOI
Apr 21 — Apr 281
Round-trip
1 adult, Economy
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Cheapest flights from Kansas City to IdahoExplore the most affordable flight options available from Kansas City to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 22, 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 March 22, 2026.
This American Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 4/146:30 am
MCI
- BOI
1 stop7h 21m
American Airlines
Tue 4/211:29 pm
BOI
- MCI
1 stop9h 30m
American Airlines
Deal found 3/18![American Airlines logo]()
$277
This Southwest deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:45 am
MCI
- BOI
2 stops8h 40m
Southwest
Wed 4/224:05 pm
BOI
- MCI
1 stop5h 20m
Southwest
Deal found 3/18![Southwest logo]()
$282
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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
- BOI
1 stop22h 56m
Frontier
Sun 5/241:25 pm
BOI
- MCI
1 stop23h 24m
Frontier
Deal found 3/18![Frontier logo]()
$290
This United Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 4/155:18 pm
MCI
- BOI
1 stop6h 17m
United Airlines
Sat 4/182:37 pm
BOI
- MCI
1 stop4h 57m
United Airlines
Deal found 3/18![United Airlines logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” 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 6/12:34 pm
MCI
- BOI
1 stop22h 56m
Frontier
Tue 6/91:04 pm
BOI
- MCI
1 stop22h 56m
Frontier
Deal found 3/20![Frontier logo]()
$293
This Southwest deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:45 am
MCI
- BOI
2 stops8h 40m
Southwest
Sat 4/1811:00 am
BOI
- MCI
2 stops8h 35m
Southwest
Deal found 3/18![Southwest logo]()
$302
This United Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 4/96:00 am
MCI
- BOI
1 stop4h 54m
United Airlines
Tue 4/146:15 am
BOI
- MCI
1 stop5h 37m
United Airlines
Deal found 3/18![United Airlines logo]()
$304
This Delta deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 4/287:42 am
MCI
- GEG
1 stop9h 07m
Delta
Sat 5/21:07 pm
GEG
- MCI
1 stop8h 36m
Delta
Deal found 3/18![Delta logo]()
$307
This United Airlines deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” 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 4/146:00 am
MCI
- BOI
1 stop4h 54m
United Airlines
Sat 4/185:29 pm
BOI
- MCI
1 stop5h 03m
United Airlines
Deal found 3/21![United Airlines logo]()
$307
This Southwest deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 4/95:55 pm
MCI
- BOI
2 stops8h 05m
Southwest
Tue 4/146:40 am
BOI
- MCI
1 stop5h 40m
Southwest
Deal found 3/18![Southwest logo]()
$309
This Alaska Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 4/287:00 am
MCI
- GEG
1 stop8h 23m
Alaska Airlines
Tue 4/282:45 pm
GEG
- MCI
1 stop7h 14m
Alaska Airlines
Deal found 3/18![Alaska Airlines logo]()
$311
This Alaska Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:45 am
MCI
- SUN
1 stop27h 53m
Alaska Airlines
Tue 10/2010:20 am
SUN
- MCI
1 stop12h 16m
Alaska Airlines
Deal found 3/18![Alaska Airlines logo]()
$311
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 March 22, 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 March 22, 2026.
This United Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 4/155:18 pm
MCI
- BOI
1 stop5h 04m
United Airlines
Sat 4/1812:30 pm
BOI
- MCI
2 stops10h 02m
United Airlines
Deal found 3/18![United Airlines logo]()
$297
This Southwest deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:45 am
MCI
- BOI
2 stops8h 40m
Southwest
Sat 4/1811:00 am
BOI
- MCI
2 stops8h 35m
Southwest
Deal found 3/18![Southwest logo]()
$302
This Alaska Airlines deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” 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 4/297:00 am
MCI
- BOI
1 stop9h 33m
Alaska Airlines
Sat 5/22:57 pm
BOI
- MCI
1 stop8h 02m
Alaska Airlines
Deal found 3/22![Alaska Airlines logo]()
$307
This Delta deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 4/287:42 am
MCI
- GEG
1 stop6h 45m
Delta
Sat 5/26:15 am
GEG
- MCI
2 stops12h 41m
Delta
Deal found 3/18![Delta logo]()
$312
This Alaska Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 4/287:00 am
MCI
- GEG
1 stop8h 23m
Alaska Airlines
Sat 5/25:00 am
GEG
- MCI
1 stop7h 04m
Alaska Airlines
Deal found 3/18![Alaska Airlines logo]()
$317
This Southwest deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” 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 5/58:45 am
MCI
- GEG
1 stop7h 00m
Southwest
Sat 5/910:45 am
GEG
- MCI
2 stops7h 50m
Southwest
Deal found 3/20![Southwest logo]()
$322
This United Airlines deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” 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 4/188:00 am
MCI
- GEG
2 stops9h 15m
United Airlines
Sat 4/251:46 pm
GEG
- MCI
1 stop4h 48m
United Airlines
Deal found 3/21![United Airlines logo]()
$322
This Delta deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” 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 7/286:40 am
MCI
- JAC
1 stop5h 09m
Delta
Wed 8/55:30 pm
JAC
- MCI
1 stop5h 50m
Delta
Deal found 3/19![Delta logo]()
$357
This Alaska Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:15 am
MCI
- BOI
1 stop7h 07m
Alaska Airlines
Fri 4/176:00 am
BOI
- MCI
1 stop16h 59m
Alaska Airlines
Deal found 3/17![Alaska Airlines logo]()
$332
This Southwest deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” 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 5/196:55 pm
MCI
- BOI
1 stop6h 30m
Southwest
Thu 5/282:00 pm
BOI
- MCI
2 stops7h 50m
Southwest
Deal found 3/19![Southwest logo]()
$349
This Delta deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 4/167:42 am
MCI
- GEG
1 stop9h 07m
Delta
Thu 4/239:30 am
GEG
- MCI
2 stops12h 27m
Delta
Deal found 3/18![Delta logo]()
$361
This Alaska Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 4/152:23 pm
MCI
- BOI
1 stop6h 25m
Alaska Airlines
Sat 4/186:00 am
BOI
- MCI
1 stop6h 29m
Alaska Airlines
Deal found 3/18![Alaska Airlines logo]()
$343
This United Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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
- IDA
1 stop5h 36m
United Airlines
Sat 5/910:40 am
IDA
- MCI
1 stop4h 35m
United Airlines
Deal found 3/18![United Airlines logo]()
$399
This Delta deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” 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 4/157:59 pm
MCI
- BOI
1 stop4h 58m
Delta
Wed 4/225:40 am
BOI
- MCI
2 stops12h 26m
Delta
Deal found 3/19![Delta logo]()
$366
This Alaska Airlines deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” 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 4/32:23 pm
MCI
- IDA
1 stop9h 29m
Alaska Airlines
Tue 4/76:00 am
IDA
- MCI
1 stop6h 29m
Alaska Airlines
Deal found 3/19![Alaska Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” 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 4/205:35 pm
MCI
- BOI
1 stop8h 25m
Southwest
Mon 4/274:20 pm
BOI
- MCI
1 stop4h 20m
Southwest
Deal found 3/21![Southwest logo]()
$403
This United Airlines deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” 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 4/299:58 am
MCI
- GEG
2 stops13h 13m
United Airlines
Sat 5/28:55 am
GEG
- MCI
2 stops12h 57m
United Airlines
Deal found 3/22![United Airlines logo]()
$417
This Delta deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” 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 5/142:57 pm
MCI
- JAC
1 stop7h 32m
Delta
Sun 5/175:59 pm
JAC
- MCI
1 stop5h 26m
Delta
Deal found 3/21![Delta logo]()
$415
This Alaska Airlines deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” 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 4/172:23 pm
MCI
- BOI
1 stop6h 25m
Alaska Airlines
Sat 4/186:00 am
BOI
- MCI
1 stop6h 29m
Alaska Airlines
Deal found 3/21![Alaska Airlines logo]()
$387
This Southwest deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” 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 4/147:10 am
MCI
- GEG
2 stops7h 55m
Southwest
Tue 4/142:25 pm
GEG
- MCI
1 stop6h 00m
Southwest
Deal found 3/22![Southwest logo]()
$427
This United Airlines deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” 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 8/2211:40 am
MCI
- WYS
1 stop5h 27m
United Airlines
Wed 8/262:02 pm
WYS
- MCI
1 stop5h 49m
United Airlines
Deal found 3/19![United Airlines logo]()
$436
This Delta deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” 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 7/157:38 pm
MCI
- GEG
1 stop6h 17m
Delta
Mon 7/201:01 pm
GEG
- MCI
1 stop8h 01m
Delta
Deal found 3/21![Delta logo]()
$439
This United Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 4/306:00 am
MCI
- IDA
1 stop4h 55m
United Airlines
Fri 5/15:26 pm
IDA
- MCI
1 stop5h 25m
United Airlines
Deal found 3/18![United Airlines logo]()
$441
This Alaska Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 6/87:25 pm
GEG
- MCI
1 stop19h 32m
Alaska Airlines
Deal found 3/18![Alaska Airlines logo]()
$422
This Delta deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 3/18![Delta logo]()
$446
This United Airlines deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” 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 4/219:00 am
MCI
- JAC
1 stop5h 21m
United Airlines
Fri 4/242:35 pm
JAC
- MCI
1 stop4h 59m
United Airlines
Deal found 3/22![United Airlines logo]()
$453
This Alaska Airlines deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/65:50 pm
MCI
- GEG
1 stop7h 12m
Alaska Airlines
Wed 8/125:00 am
GEG
- MCI
1 stop9h 56m
Alaska Airlines
Deal found 3/21![Alaska Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/56:00 am
MCI
- IDA
1 stop4h 50m
United Airlines
Mon 6/84:10 pm
IDA
- MCI
1 stop6h 15m
United Airlines
Deal found 3/17![United Airlines logo]()
$474
This Delta deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” 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.
Mon 5/46:40 am
MCI
- JAC
1 stop6h 24m
Delta
Fri 5/85:59 pm
JAC
- MCI
1 stop5h 26m
Delta
Deal found 3/20![Delta logo]()
$493
This Alaska Airlines deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” 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 4/42:23 pm
MCI
- IDA
1 stop9h 29m
Alaska Airlines
Wed 4/86:00 am
IDA
- MCI
1 stop6h 29m
Alaska Airlines
Deal found 3/20![Alaska Airlines logo]()
$454
Last-minute flights from Kansas City to IdahoDiscover last-minute flight deals from Kansas City to Idaho. Data last updated March 22, 2026 and is based on user searches.
Discover last-minute flight deals from Kansas City to Idaho. Data last updated March 22, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 4/96:00 am
MCI
- BOI
1 stop4h 54m
United Airlines
Tue 4/146:15 am
BOI
- MCI
1 stop5h 37m
United Airlines
Deal found 3/18![United Airlines logo]()
$304
This Southwest deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 4/95:55 pm
MCI
- BOI
2 stops8h 05m
Southwest
Tue 4/146:40 am
BOI
- MCI
1 stop5h 40m
Southwest
Deal found 3/18![Southwest logo]()
$309
This American Airlines deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” 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 4/115:00 am
MCI
- BOI
1 stop9h 03m
American Airlines
Sat 4/186:00 am
BOI
- MCI
1 stop6h 43m
American Airlines
Deal found 3/20![American Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 4/146:30 am
MCI
- BOI
1 stop7h 21m
American Airlines
Tue 4/211:29 pm
BOI
- MCI
1 stop9h 30m
American Airlines
Deal found 3/18![American Airlines logo]()
$277
This United Airlines deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” 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 4/146:00 am
MCI
- BOI
1 stop4h 54m
United Airlines
Sat 4/185:29 pm
BOI
- MCI
1 stop5h 03m
United Airlines
Deal found 3/21![United Airlines logo]()
$307
This Southwest deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” 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 4/147:10 am
MCI
- BOI
1 stop4h 45m
Southwest
Sat 4/1811:00 am
BOI
- MCI
2 stops8h 35m
Southwest
Deal found 3/21![Southwest logo]()
$312
This Southwest deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:45 am
MCI
- BOI
2 stops8h 40m
Southwest
Wed 4/224:05 pm
BOI
- MCI
1 stop5h 20m
Southwest
Deal found 3/18![Southwest logo]()
$282
This United Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 4/155:18 pm
MCI
- BOI
1 stop6h 17m
United Airlines
Sat 4/182:37 pm
BOI
- MCI
1 stop4h 57m
United Airlines
Deal found 3/18![United Airlines logo]()
$292
This Southwest deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/157:45 am
MCI
- BOI
2 stops8h 40m
Southwest
Sat 4/1811:00 am
BOI
- MCI
2 stops8h 35m
Southwest
Deal found 3/18![Southwest logo]()
$302
This Delta deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 4/287:42 am
MCI
- GEG
1 stop9h 07m
Delta
Sat 5/21:07 pm
GEG
- MCI
1 stop8h 36m
Delta
Deal found 3/18![Delta logo]()
$307
This Alaska Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 4/287:00 am
MCI
- GEG
1 stop8h 23m
Alaska Airlines
Tue 4/282:45 pm
GEG
- MCI
1 stop7h 14m
Alaska Airlines
Deal found 3/18![Alaska Airlines logo]()
$311
This Alaska Airlines deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” 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 4/282:58 pm
MCI
- GEG
1 stop8h 33m
Alaska Airlines
Sat 5/28:34 am
GEG
- MCI
1 stop5h 43m
Alaska Airlines
Deal found 3/19![Alaska Airlines logo]()
$317
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 March 22, 2026.
Search for one-way flight options from Kansas City to Idaho. Find affordable one-way fares based on user searches. Data last updated March 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 5/272:34 pm
MCI
- BOI
1 stop22h 56m
Frontier
Deal found 3/18![Frontier logo]()
$133
This United Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 4/87:00 am
MCI
- BOI
1 stop9h 24m
United Airlines
Deal found 3/18![United Airlines logo]()
$139
This United Airlines deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” 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 5/136:00 am
MCI
- BOI
1 stop4h 54m
United Airlines
Deal found 3/21![United Airlines logo]()
$154
This Delta deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” 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.
Mon 8/316:40 am
MCI
- WYS
1 stop6h 41m
Delta
Deal found 3/20![Delta logo]()
$156
This Delta deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” 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 4/256:40 am
MCI
- GEG
1 stop7h 33m
Delta
Deal found 3/19![Delta logo]()
$159
This Alaska Airlines deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” 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 4/152:23 pm
MCI
- IDA
1 stop9h 29m
Alaska Airlines
Deal found 3/19![Alaska Airlines logo]()
$170
This Alaska Airlines deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” 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 7/257:58 pm
MCI
- SUN
1 stop14h 40m
Alaska Airlines
Deal found 3/20![Alaska Airlines logo]()
$176
This United Airlines deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” 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 7/286:00 am
MCI
- IDA
1 stop4h 50m
United Airlines
Deal found 3/21![United Airlines logo]()
$191
This United Airlines deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 8/257:45 am
MCI
- IDA
2 stops8h 44m
United Airlines
Deal found 3/18![United Airlines logo]()
$196
This United Airlines deal was found by Cheapflights users on 3/22. Clicking the “Pick Dates” 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 7/254:26 pm
MCI
- SUN
1 stop6h 35m
United Airlines
Deal found 3/22![United Airlines logo]()
$196
This Southwest deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/137:05 am
MCI
- BOI
2 stops8h 35m
Southwest
Deal found 3/21![Southwest logo]()
$199
This Alaska Airlines deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” 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 4/112:23 pm
MCI
- IDA
1 stop9h 29m
Alaska Airlines
Deal found 3/21![Alaska Airlines logo]()
$200
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 March 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $277 (American Airlines) |
One-way from | $133 (Kiwi.com) |
Popular in | February |
Cheapest in | May |
Average price | $465 |
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 March 22, 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 4/15
5:18 pm-9:22 pm
1 stop5h 04m
Boise Air Term. Gowen Fld
Sat 4/18
12:30 pm-11:32 pm
2 stops10h 02m
$297
Kansas CityBoise
MCI - BOI
MCIBOI
Kansas City
Wed 4/15
7:45 am-3:25 pm
2 stops8h 40m
Boise Air Term. Gowen Fld
Sat 4/18
11:00 am-8:35 pm
2 stops8h 35m
$302
Kansas CityBoise
MCI - BOI
MCIBOI
Kansas City
Wed 4/29
7:00 am-3:33 pm
1 stop9h 33m
Boise Air Term. Gowen Fld
Sat 5/2
2:57 pm-11:59 pm
1 stop8h 02m
$307
Kansas CitySpokane
MCI - GEG
MCIGEG
Kansas City
Tue 4/28
7:42 am-12:27 pm
1 stop6h 45m
Spokane
Sat 5/2
6:15 am-8:56 pm
2 stops12h 41m
$312
Kansas CitySpokane
MCI - GEG
MCIGEG
Kansas City
Tue 4/28
7:00 am-1:23 pm
1 stop8h 23m
Spokane
Sat 5/2
5:00 am-2:04 pm
1 stop7h 04m
$317
Kansas CitySpokane
MCI - GEG
MCIGEG
Kansas City
Tue 5/5
8:45 am-1:45 pm
1 stop7h 00m
Spokane
Sat 5/9
10:45 am-8:35 pm
2 stops7h 50m
$322
Kansas CitySpokane
MCI - GEG
MCIGEG
Kansas City
Sat 4/18
8:00 am-3:15 pm
2 stops9h 15m
Spokane
Sat 4/25
1:46 pm-8:34 pm
1 stop4h 48m
$322
Kansas CityBoise
MCI - BOI
MCIBOI
Kansas City
Tue 4/14
6:15 am-12:22 pm
1 stop7h 07m
Boise Air Term. Gowen Fld
Fri 4/17
6:00 am-11:59 pm
1 stop16h 59m
$332
Kansas CityBoise
MCI - BOI
MCIBOI
Kansas City
Wed 4/15
2:23 pm-7:48 pm
1 stop6h 25m
Boise Air Term. Gowen Fld
Sat 4/18
6:00 am-1:29 pm
1 stop6h 29m
$343
Kansas CityBoise
MCI - BOI
MCIBOI
Kansas City
Tue 5/19
6:55 pm-12:25 am
1 stop6h 30m
Boise Air Term. Gowen Fld
Thu 5/28
2:00 pm-10:50 pm
2 stops7h 50m
$349
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-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-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.
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 March 22, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines 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
8.0
Overall
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Boarding
8.1
Comfort
8.0
Overall
8.0
Food
7.0
Crew
8.6
Entertainment
7.5
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.
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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.
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 March 22, 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 March 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$133 | Average$337 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$171 | Average$355 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$252 | Average$442 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$266 | Average$456 | FlexibilityNo cancel fee | On-time63% |