$170+ Cheap flights from Kansas City (MCI) to Idaho
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — BOI
Jul 24 — Jul 311
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 June 24, 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 June 24, 2026.
This Booking.com deal was found by Cheapflights users on 6/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/251:45 pm
MCI
- BOI
1 stop23h 44m
Frontier
Thu 7/301:24 pm
BOI
- MCI
1 stop22h 36m
Frontier
Deal found 6/22![Frontier logo]()
$275
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/31:45 pm
MCI
- BOI
1 stop23h 44m
Frontier
Tue 8/111:24 pm
BOI
- MCI
1 stop22h 36m
Frontier
Deal found 6/21![Frontier logo]()
$294
This Alaska Airlines deal was found by Cheapflights users on 6/22. 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.
Tue 12/83:34 pm
MCI
- IDA
1 stop8h 05m
Alaska Airlines
Wed 12/96:15 am
IDA
- MCI
1 stop7h 28m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/51:45 pm
MCI
- BOI
1 stop23h 44m
Frontier
Tue 8/111:24 pm
BOI
- MCI
1 stop22h 36m
Frontier
Deal found 6/23![Frontier logo]()
$322
This United Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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
- WYS
2 stops11h 06m
United Airlines
Fri 8/214:44 pm
WYS
- MCI
1 stop5h 46m
United Airlines
Deal found 6/23![United Airlines logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/131:45 pm
MCI
- BOI
1 stop23h 44m
Frontier
Tue 7/211:24 pm
BOI
- MCI
1 stop22h 36m
Frontier
Deal found 6/22![Frontier logo]()
$332
This Booking.com deal was found by Cheapflights users on 6/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/221:45 pm
MCI
- BOI
1 stop23h 44m
Multiple Airlines
Wed 7/294:27 pm
BOI
- MCI
1 stop6h 32m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$338
This United Airlines deal was found by Cheapflights users on 6/22. 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 9/267:38 am
MCI
- BOI
1 stop6h 20m
United Airlines
Sat 9/265:30 pm
BOI
- MCI
1 stop5h 14m
United Airlines
Deal found 6/22![United Airlines logo]()
$342
This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/97:00 am
MCI
- IDA
1 stop4h 50m
Delta
Sat 8/156:00 am
IDA
- MCI
1 stop7h 08m
Delta
Deal found 6/22![Delta logo]()
$344
This Alaska Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 stop8h 22m
Alaska Airlines
Tue 9/14:20 pm
BOI
- MCI
1 stop6h 39m
Alaska Airlines
Deal found 6/23![Alaska Airlines logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/214:47 pm
MCI
- GEG
2 stops45h 12m
Multiple Airlines
Sun 8/3010:12 am
GEG
- MCI
1 stop27h 50m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$348
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 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 44m
Frontier
Tue 7/211:24 pm
BOI
- MCI
1 stop22h 36m
Frontier
Deal found 6/22![Frontier logo]()
$350
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 June 24, 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 June 24, 2026.
This Delta deal was found by Cheapflights users on 6/19. 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.
Mon 7/276:00 pm
MCI
- IDA
1 stop5h 32m
Delta
Sun 8/27:00 pm
IDA
- MCI
1 stop4h 13m
Delta
Deal found 6/19![Delta logo]()
$319
This Alaska Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 12/83:34 pm
MCI
- IDA
1 stop8h 05m
Alaska Airlines
Wed 12/96:15 am
IDA
- MCI
1 stop7h 28m
Alaska Airlines
Deal found 6/23![Alaska Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 6/19. 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.
Wed 10/216:00 am
MCI
- IDA
1 stop4h 53m
United Airlines
Sat 10/245:51 pm
IDA
- MCI
1 stop4h 53m
United Airlines
Deal found 6/19![United Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 6/21. 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 9/165:40 pm
MCI
- BOI
1 stop5h 45m
Southwest
Mon 9/213:45 pm
BOI
- MCI
1 stop7h 25m
Southwest
Deal found 6/21![Southwest logo]()
$361
This United Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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
- WYS
2 stops11h 06m
United Airlines
Fri 8/214:44 pm
WYS
- MCI
1 stop5h 46m
United Airlines
Deal found 6/23![United Airlines logo]()
$332
This Alaska Airlines deal was found by Cheapflights users on 6/21. 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.
Tue 8/257:00 am
MCI
- BOI
1 stop6h 36m
Alaska Airlines
Tue 9/12:17 pm
BOI
- MCI
1 stop8h 42m
Alaska Airlines
Deal found 6/21![Alaska Airlines logo]()
$347
This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:01 pm
MCI
- GEG
1 stop7h 25m
Delta
Tue 8/115:00 pm
GEG
- MCI
1 stop5h 13m
Delta
Deal found 6/22![Delta logo]()
$363
This Alaska Airlines deal was found by Cheapflights users on 6/19. 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 12/87:00 am
MCI
- GEG
1 stop7h 30m
Alaska Airlines
Wed 12/96:00 am
GEG
- MCI
1 stop6h 43m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$363
This Delta deal was found by Cheapflights users on 6/20. 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.
Tue 8/1112:18 pm
MCI
- IDA
2 stops7h 02m
Delta
Wed 8/196:00 am
IDA
- MCI
1 stop7h 08m
Delta
Deal found 6/20![Delta logo]()
$366
This United Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 8/196:00 am
MCI
- IDA
1 stop4h 51m
United Airlines
Sat 8/224:04 pm
IDA
- MCI
1 stop6h 26m
United Airlines
Deal found 6/23![United Airlines logo]()
$369
This Southwest deal was found by Cheapflights users on 6/19. 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.
Thu 8/137:30 am
MCI
- GEG
2 stops9h 30m
Southwest
Thu 8/206:55 am
GEG
- MCI
2 stops9h 40m
Southwest
Deal found 6/19![Southwest logo]()
$423
This Delta deal was found by Cheapflights users on 6/19. 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 10/213:30 pm
MCI
- IDA
2 stops7h 49m
Delta
Sat 10/246:45 pm
IDA
- MCI
1 stop4h 36m
Delta
Deal found 6/19![Delta logo]()
$366
This United Airlines deal was found by Cheapflights users on 6/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/185:24 pm
MCI
- BOI
1 stop6h 13m
United Airlines
Sat 7/255:46 pm
BOI
- MCI
1 stop4h 39m
United Airlines
Deal found 6/20![United Airlines logo]()
$373
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Fri 8/1411:32 am
MCI
- WYS
1 stop4h 54m
United Airlines
Fri 8/214:44 pm
WYS
- MCI
1 stop5h 46m
United Airlines
Deal found 6/22![United Airlines logo]()
$384
This Delta deal was found by Cheapflights users on 6/21. 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 10/146:40 am
MCI
- SUN
1 stop7h 05m
Delta
Sat 10/247:30 am
SUN
- MCI
1 stop4h 43m
Delta
Deal found 6/21![Delta logo]()
$387
This Southwest deal was found by Cheapflights users on 6/20. 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.
Mon 7/277:10 pm
MCI
- BOI
2 stops7h 40m
Southwest
Sat 8/15:40 am
BOI
- MCI
2 stops8h 30m
Southwest
Deal found 6/20![Southwest logo]()
$474
This Delta deal was found by Cheapflights users on 6/19. 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.
Thu 8/66:01 pm
MCI
- GEG
1 stop7h 52m
Delta
Wed 8/125:00 pm
GEG
- MCI
1 stop5h 13m
Delta
Deal found 6/19![Delta logo]()
$388
This United Airlines deal was found by Cheapflights users on 6/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/274:26 pm
MCI
- BOI
1 stop6h 39m
United Airlines
Sat 8/15:46 pm
BOI
- MCI
1 stop4h 39m
United Airlines
Deal found 6/20![United Airlines logo]()
$393
This Delta deal was found by Cheapflights users on 6/21. 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.
Sun 8/95:40 pm
MCI
- BOI
1 stop7h 19m
Delta
Sat 8/156:00 am
BOI
- MCI
1 stop7h 08m
Delta
Deal found 6/21![Delta logo]()
$397
This United Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 7/115:24 pm
MCI
- BOI
1 stop6h 13m
United Airlines
Sat 7/185:46 pm
BOI
- MCI
1 stop4h 39m
United Airlines
Deal found 6/23![United Airlines logo]()
$437
This Delta deal was found by Cheapflights users on 6/20. 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.
Fri 7/315:42 pm
MCI
- GEG
1 stop7h 24m
Delta
Mon 8/35:00 pm
GEG
- MCI
1 stop5h 13m
Delta
Deal found 6/20![Delta logo]()
$448
This United Airlines deal was found by Cheapflights users on 6/22. 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 12/86:00 am
MCI
- GEG
2 stops11h 19m
United Airlines
Wed 12/95:00 am
GEG
- MCI
1 stop5h 52m
United Airlines
Deal found 6/22![United Airlines logo]()
$458
This Alaska Airlines deal was found by Cheapflights users on 6/22. 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.
Mon 11/26:09 pm
MCI
- SUN
2 stops17h 42m
Alaska Airlines
Wed 11/411:33 am
SUN
- MCI
1 stop11h 26m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$671
This Delta deal was found by Cheapflights users on 6/19. 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.
Sun 8/93:04 pm
MCI
- JAC
1 stop4h 51m
Delta
Wed 8/126:01 pm
JAC
- MCI
1 stop5h 12m
Delta
Deal found 6/19![Delta logo]()
$453
This United Airlines deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/141:43 pm
MCI
- IDA
1 stop4h 33m
United Airlines
Thu 8/204:04 pm
IDA
- MCI
1 stop6h 26m
United Airlines
Deal found 6/23![United Airlines logo]()
$469
This KAYAK deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/206:00 pm
MCI
- BOI
1 stop7h 05m
Delta
Wed 7/226:42 pm
BOI
- MCI
1 stop4h 31m
Delta
Deal found 6/23![Delta logo]()
$457
This United Airlines deal was found by Cheapflights users on 6/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/179:08 am
MCI
- SUN
1 stop5h 36m
United Airlines
Wed 11/182:29 pm
SUN
- MCI
1 stop5h 05m
United Airlines
Deal found 6/20![United Airlines logo]()
$477
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 7/222:55 pm
MCI
- JAC
1 stop5h 42m
Delta
Wed 7/297:00 am
JAC
- MCI
1 stop7h 14m
Delta
Deal found 6/23![Delta logo]()
$461
This Delta deal was found by Cheapflights users on 6/21. 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.
Mon 7/204:04 pm
MCI
- JAC
1 stop5h 25m
Delta
Thu 7/306:05 pm
JAC
- MCI
1 stop5h 08m
Delta
Deal found 6/21![Delta logo]()
$461
This United Airlines deal was found by Cheapflights users on 6/21. 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 10/145:24 pm
MCI
- SUN
1 stop5h 01m
United Airlines
Mon 10/262:29 pm
SUN
- MCI
1 stop5h 05m
United Airlines
Deal found 6/21![United Airlines logo]()
$517
Last-minute flights from Kansas City to IdahoDiscover last-minute flight deals from Kansas City to Idaho. Data last updated June 24, 2026 and is based on user searches.
Discover last-minute flight deals from Kansas City to Idaho. Data last updated June 24, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/131:45 pm
MCI
- BOI
1 stop23h 44m
Frontier
Tue 7/211:24 pm
BOI
- MCI
1 stop22h 36m
Frontier
Deal found 6/22![Frontier logo]()
$332
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/131:45 pm
MCI
- BOI
1 stop23h 44m
Frontier
Thu 7/231:24 pm
BOI
- MCI
1 stop22h 36m
Frontier
Deal found 6/22![Frontier logo]()
$383
This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:00 pm
MCI
- BOI
1 stop7h 05m
Delta
Wed 7/226:42 pm
BOI
- MCI
1 stop4h 31m
Delta
Deal found 6/22![Delta logo]()
$347
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” 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 7/146:00 pm
MCI
- GEG
1 stop7h 55m
Delta
Wed 7/155:10 pm
GEG
- MCI
1 stop5h 03m
Delta
Deal found 6/23![Delta logo]()
$363
This Delta deal was found by Cheapflights users on 6/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:00 pm
MCI
- BOI
1 stop7h 05m
Delta
Thu 7/236:42 pm
BOI
- MCI
1 stop4h 31m
Delta
Deal found 6/22![Delta logo]()
$393
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/151:45 pm
MCI
- BOI
1 stop23h 44m
Frontier
Tue 7/211:24 pm
BOI
- MCI
1 stop22h 36m
Frontier
Deal found 6/22![Frontier logo]()
$356
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 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 44m
Frontier
Tue 7/211:24 pm
BOI
- MCI
1 stop22h 36m
Frontier
Deal found 6/22![Frontier logo]()
$350
This United Airlines deal was found by Cheapflights users on 6/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/185:24 pm
MCI
- BOI
1 stop6h 13m
United Airlines
Sat 7/255:46 pm
BOI
- MCI
1 stop4h 39m
United Airlines
Deal found 6/20![United Airlines logo]()
$373
This Booking.com deal was found by Cheapflights users on 6/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/221:45 pm
MCI
- BOI
1 stop23h 44m
Multiple Airlines
Wed 7/294:27 pm
BOI
- MCI
1 stop6h 32m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$338
This Southwest deal was found by Cheapflights users on 6/22. 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.
Wed 7/227:25 pm
MCI
- BOI
1 stop6h 05m
Southwest
Wed 7/2911:30 am
BOI
- MCI
2 stops8h 10m
Southwest
Deal found 6/22![Southwest logo]()
$352
This Booking.com deal was found by Cheapflights users on 6/22. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/251:45 pm
MCI
- BOI
1 stop23h 44m
Frontier
Thu 7/301:24 pm
BOI
- MCI
1 stop22h 36m
Frontier
Deal found 6/22![Frontier logo]()
$275
This Delta deal was found by Cheapflights users on 6/19. 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.
Mon 7/276:00 pm
MCI
- IDA
1 stop5h 32m
Delta
Sun 8/27:00 pm
IDA
- MCI
1 stop4h 13m
Delta
Deal found 6/19![Delta logo]()
$319
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 June 24, 2026.
Search for one-way flight options from Kansas City to Idaho. Find affordable one-way fares based on user searches. Data last updated June 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/20. 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.
Wed 8/51:45 pm
MCI
- BOI
1 stop23h 44m
Frontier
Deal found 6/20![Frontier logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 6/20. 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.
Wed 9/232:17 pm
MCI
- BOI
1 stop22h 47m
Frontier
Deal found 6/20![Frontier logo]()
$171
This Delta deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:20 am
MCI
- BOI
1 stop5h 38m
Delta
Deal found 6/23![Delta logo]()
$174
This United Airlines deal was found by Cheapflights users on 6/21. 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 7/211:40 pm
MCI
- BOI
2 stops9h 25m
United Airlines
Deal found 6/21![United Airlines logo]()
$179
This Southwest deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/195:40 pm
MCI
- GEG
1 stop6h 25m
Southwest
Deal found 6/23![Southwest logo]()
$182
This Alaska Airlines deal was found by Cheapflights users on 6/22. 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.
Tue 10/63:11 pm
MCI
- IDA
1 stop8h 43m
Alaska Airlines
Deal found 6/22![Alaska Airlines logo]()
$185
This American Airlines deal was found by Cheapflights users on 6/20. 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.
Wed 8/55:30 am
MCI
- BOI
2 stops8h 54m
American Airlines
Deal found 6/20![American Airlines logo]()
$188
This Delta deal was found by Cheapflights users on 6/21. 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.
Tue 6/302:55 pm
MCI
- GEG
1 stop5h 20m
Delta
Deal found 6/21![Delta logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 6/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/244:32 pm
MCI
- GEG
2 stops49h 21m
Multiple Airlines
Deal found 6/23![Multiple Airlines logo]()
$196
This Southwest deal was found by Cheapflights users on 6/19. 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.
Mon 8/243:45 pm
MCI
- GEG
1 stop8h 55m
Southwest
Deal found 6/19![Southwest logo]()
$207
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/256:07 pm
MCI
- IDA
2 stops46h 53m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$213
This Expedia deal was found by Cheapflights users on 6/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/112:53 pm
MCI
- GEG
2 stops11h 00m
Alaska Airlines
Deal found 6/19![Alaska Airlines logo]()
$220
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 June 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $275 (Booking.com) |
One-way from | $170 (Kiwi.com) |
Popular in | February |
Cheapest in | September |
Average price | $496 |
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 June 24, 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
Quickest round-trip
Kansas CityIdaho Falls
MCI - IDA
MCIIDA
Kansas City
Mon 7/27
6:00 pm-10:32 pm
1 stop5h 32m
Idaho Falls Fanning Field
Sun 8/2
7:00 pm-12:13 am
1 stop4h 13m
$319
Kansas CityIdaho Falls
MCI - IDA
MCIIDA
Kansas City
Tue 12/8
3:34 pm-10:39 pm
1 stop8h 05m
Idaho Falls Fanning Field
Wed 12/9
6:15 am-2:43 pm
1 stop7h 28m
$319
Kansas CityIdaho Falls
MCI - IDA
MCIIDA
Kansas City
Wed 10/21
6:00 am-9:53 am
1 stop4h 53m
Idaho Falls Fanning Field
Sat 10/24
5:51 pm-11:44 pm
1 stop4h 53m
$319
Kansas CityWest Yellowstone
MCI - WYS
MCIWYS
Kansas City
Sat 8/15
6:00 am-4:06 pm
2 stops11h 06m
West Yellowstone
Fri 8/21
4:44 pm-11:30 pm
1 stop5h 46m
$332
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
2:17 pm-11:59 pm
1 stop8h 42m
$347
Kansas CityBoise
MCI - BOI
MCIBOI
Kansas City
Wed 9/16
5:40 pm-10:25 pm
1 stop5h 45m
Boise Air Term. Gowen Fld
Mon 9/21
3:45 pm-12:10 am
1 stop7h 25m
$361
Kansas CitySpokane
MCI - GEG
MCIGEG
Kansas City
Wed 8/5
6:01 pm-11:26 pm
1 stop7h 25m
Spokane
Tue 8/11
5:00 pm-12:13 am
1 stop5h 13m
$363
Kansas CitySpokane
MCI - GEG
MCIGEG
Kansas City
Tue 12/8
7:00 am-12:30 pm
1 stop7h 30m
Spokane
Wed 12/9
6:00 am-2:43 pm
1 stop6h 43m
$363
Kansas CityIdaho Falls
MCI - IDA
MCIIDA
Kansas City
Tue 8/11
12:18 pm-6:20 pm
2 stops7h 02m
Idaho Falls Fanning Field
Wed 8/19
6:00 am-2:08 pm
1 stop7h 08m
$366
Kansas CityIdaho Falls
MCI - IDA
MCIIDA
Kansas City
Wed 10/21
3:30 pm-10:19 pm
2 stops7h 49m
Idaho Falls Fanning Field
Sat 10/24
6:45 pm-12:21 am
1 stop4h 36m
$366
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-IDA
MCI-BOI
MCI-WYS
MCI-GEG
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-IDA
MCI-BOI
MCI-WYS
MCI-GEG
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 July is currently the most expensive (average of $313). 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?
How far ahead should I book a flight from Kansas City to Idaho?
The price you pay for your flight from Kansas City to Idaho may vary depending on when you book. For the best chance of a lower fare, look to book 22 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 June 24, 2026.
See what other customers who have flown with Alaska Airlines,Southwest, andDelta from Kansas City to Idaho have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Overall
7.9
Comfort
7.8
Crew
8.5
Entertainment
7.0
Food
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Overall
7.9
Comfort
7.8
Crew
8.5
Entertainment
7.0
Food
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Overall
7.9
Comfort
7.8
Crew
8.5
Entertainment
7.0
Food
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Overall
7.9
Comfort
7.8
Crew
8.5
Entertainment
7.0
Food
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Boarding
8.1
Overall
7.9
Comfort
7.8
Crew
8.5
Entertainment
7.0
Food
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Related info for your journey
Find useful and relevant information for your journey from Kansas City to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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 June 24, 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 June 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$133 | Average$367 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$232 | Average$438 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$256 | Average$427 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$266 | Average$494 | FlexibilityNo cancel fee | On-time63% |