$126+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — BOI
Aug 7 — Aug 141
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 July 8, 2026.
Explore the most affordable flight options available from Kansas City to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 8, 2026.
This United Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/44:26 pm
MCI
- BOI
1 stop6h 39m
United Airlines
Tue 8/115:44 pm
BOI
- MCI
1 stop4h 46m
United Airlines
Deal found 7/7![United Airlines logo]()
$251
This American Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/35:30 am
MCI
- BOI
1 stop6h 46m
American Airlines
Thu 9/103:21 pm
BOI
- MCI
1 stop8h 02m
American Airlines
Deal found 7/7![American Airlines logo]()
$253
This American Airlines deal was found by Cheapflights users on 7/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:30 am
MCI
- BOI
1 stop6h 46m
American Airlines
Tue 9/11:55 pm
BOI
- MCI
2 stops9h 40m
American Airlines
Deal found 7/8![American Airlines logo]()
$256
This Southwest deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:15 pm
MCI
- GEG
1 stop6h 40m
Southwest
Sat 8/158:00 am
GEG
- MCI
1 stop5h 45m
Southwest
Deal found 7/6![Southwest logo]()
$258
This American Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:29 am
MCI
- BOI
1 stop6h 47m
American Airlines
Sat 8/221:55 pm
BOI
- MCI
2 stops7h 55m
American Airlines
Deal found 7/7![American Airlines logo]()
$258
This Delta deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/63:04 pm
MCI
- GEG
1 stop5h 15m
Delta
Wed 8/125:30 am
GEG
- MCI
1 stop6h 38m
Delta
Deal found 7/7![Delta logo]()
$272
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:30 am
MCI
- GEG
2 stops9h 30m
Southwest
Thu 9/1712:20 pm
GEG
- MCI
1 stop9h 50m
Southwest
Deal found 7/7![Southwest logo]()
$278
This American Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:20 am
MCI
- BOI
1 stop5h 56m
American Airlines
Fri 8/213:19 pm
BOI
- MCI
1 stop8h 16m
American Airlines
Deal found 7/7![American Airlines logo]()
$283
This Booking.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/201:45 pm
MCI
- BOI
1 stop23h 44m
Frontier
Thu 7/301:24 pm
BOI
- MCI
1 stop22h 36m
Frontier
Deal found 7/6![Frontier logo]()
$300
This Booking.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 9/262:17 pm
MCI
- BOI
1 stop22h 47m
Multiple Airlines
Wed 9/306:00 am
BOI
- MCI
1 stop5h 38m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$313
This United Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:00 am
MCI
- IDA
1 stop4h 50m
United Airlines
Tue 8/114:04 pm
IDA
- MCI
1 stop6h 26m
United Airlines
Deal found 7/8![United Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/136:30 am
MCI
- GEG
1 stop7h 00m
Southwest
Wed 11/187:40 am
GEG
- MCI
1 stop5h 50m
Southwest
Deal found 7/7![Southwest logo]()
$319
Best flights from Kansas City to IdahoDiscover carefully curated flight deals from Kansas City to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 8, 2026.
Discover carefully curated flight deals from Kansas City to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 8, 2026.
This American Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:28 pm
MCI
- BOI
2 stops11h 12m
American Airlines
Tue 9/11:55 pm
BOI
- MCI
2 stops9h 40m
American Airlines
Deal found 7/8![American Airlines logo]()
$261
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:30 am
MCI
- GEG
2 stops9h 30m
Southwest
Thu 9/1712:20 pm
GEG
- MCI
1 stop9h 50m
Southwest
Deal found 7/7![Southwest logo]()
$278
This United Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:00 am
MCI
- IDA
1 stop4h 50m
United Airlines
Wed 8/124:04 pm
IDA
- MCI
1 stop6h 26m
United Airlines
Deal found 7/8![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/223:03 pm
MCI
- IDA
1 stop4h 17m
Delta
Sat 8/296:00 am
IDA
- MCI
1 stop7h 10m
Delta
Deal found 7/6![Delta logo]()
$319
This Alaska Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:01 am
MCI
- BOI
1 stop9h 26m
Alaska Airlines
Wed 11/114:21 pm
BOI
- MCI
1 stop6h 38m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/257:00 am
MCI
- BOI
1 stop6h 36m
Alaska Airlines
Tue 9/12:17 pm
BOI
- MCI
1 stop8h 42m
Alaska Airlines
Deal found 7/4![Alaska Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 8/46:01 pm
MCI
- BOI
1 stop6h 58m
Delta
Mon 8/106:45 pm
BOI
- MCI
1 stop4h 28m
Delta
Deal found 7/3![Delta logo]()
$341
This Southwest deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/163:40 pm
MCI
- GEG
2 stops10h 00m
Southwest
Wed 10/217:35 am
GEG
- MCI
2 stops8h 40m
Southwest
Deal found 7/7![Southwest logo]()
$370
This United Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 10/109:00 am
MCI
- WYS
1 stop5h 30m
United Airlines
Sat 10/172:05 pm
WYS
- MCI
1 stop5h 39m
United Airlines
Deal found 7/3![United Airlines logo]()
$384
This Alaska Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/276:13 am
MCI
- GEG
1 stop7h 26m
Alaska Airlines
Wed 10/286:00 am
GEG
- MCI
1 stop6h 17m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$351
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:28 am
MCI
- BOI
1 stop8h 14m
Delta
Tue 9/12:53 pm
BOI
- MCI
1 stop7h 34m
Delta
Deal found 7/6![Delta logo]()
$387
This United Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/296:00 am
MCI
- IDA
1 stop4h 51m
United Airlines
Wed 9/22:25 pm
IDA
- MCI
1 stop5h 09m
United Airlines
Deal found 7/4![United Airlines logo]()
$399
This Southwest deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 9/262:30 pm
MCI
- GEG
2 stops8h 25m
Southwest
Wed 9/306:15 am
GEG
- MCI
2 stops8h 10m
Southwest
Deal found 7/4![Southwest logo]()
$413
This Alaska Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/297:00 am
MCI
- IDA
1 stop9h 20m
Alaska Airlines
Wed 9/22:01 pm
IDA
- MCI
1 stop8h 58m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$393
This United Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” 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 7/5![United Airlines logo]()
$399
This Southwest deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/112:30 pm
MCI
- GEG
2 stops9h 10m
Southwest
Sat 8/156:15 am
GEG
- MCI
2 stops9h 00m
Southwest
Deal found 7/6![Southwest logo]()
$413
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/63:04 pm
MCI
- GEG
1 stop5h 15m
Delta
Wed 8/125:30 am
GEG
- MCI
1 stop6h 38m
Delta
Deal found 7/6![Delta logo]()
$421
This United Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 8/229:14 am
MCI
- IDA
1 stop7h 09m
United Airlines
Sat 8/292:25 pm
IDA
- MCI
1 stop5h 14m
United Airlines
Deal found 7/4![United Airlines logo]()
$399
This Alaska Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:50 pm
MCI
- BOI
1 stop6h 58m
Alaska Airlines
Tue 8/116:23 am
BOI
- MCI
1 stop5h 58m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$417
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 7/316:00 pm
MCI
- GEG
1 stop7h 55m
Delta
Fri 8/75:30 am
GEG
- MCI
1 stop6h 38m
Delta
Deal found 7/3![Delta logo]()
$430
This United Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1011:22 am
MCI
- BOI
2 stops11h 08m
United Airlines
Wed 11/112:39 pm
BOI
- MCI
1 stop4h 55m
United Airlines
Deal found 7/7![United Airlines logo]()
$404
This Alaska Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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
- BOI
1 stop6h 58m
Alaska Airlines
Tue 8/114:35 pm
BOI
- MCI
1 stop6h 24m
Alaska Airlines
Deal found 7/3![Alaska Airlines logo]()
$417
This Southwest deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/214:55 pm
MCI
- GEG
2 stops8h 20m
Southwest
Mon 8/246:55 am
GEG
- MCI
2 stops9h 40m
Southwest
Deal found 7/6![Southwest logo]()
$459
This Delta deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/312:55 pm
MCI
- GEG
1 stop5h 18m
Delta
Mon 8/35:00 pm
GEG
- MCI
1 stop5h 13m
Delta
Deal found 7/6![Delta logo]()
$448
This United Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/11:40 pm
MCI
- BOI
2 stops9h 25m
United Airlines
Sat 8/85:46 pm
BOI
- MCI
1 stop4h 39m
United Airlines
Deal found 7/3![United Airlines logo]()
$431
This Alaska Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:13 am
MCI
- GEG
1 stop7h 26m
Alaska Airlines
Mon 10/191:49 pm
GEG
- MCI
1 stop8h 10m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$453
This Delta deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:00 am
MCI
- GEG
1 stop7h 18m
Delta
Sun 10/183:30 pm
GEG
- MCI
1 stop6h 01m
Delta
Deal found 7/7![Delta logo]()
$462
This Delta deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 9/113:04 pm
MCI
- JAC
1 stop5h 17m
Delta
Mon 9/145:55 pm
JAC
- MCI
1 stop5h 20m
Delta
Deal found 7/4![Delta logo]()
$469
This United Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/316:00 am
MCI
- SUN
2 stops8h 44m
United Airlines
Tue 11/32:29 pm
SUN
- MCI
1 stop5h 05m
United Airlines
Deal found 7/7![United Airlines logo]()
$482
This Delta deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/223:03 pm
MCI
- PIH
1 stop4h 20m
Delta
Sat 8/297:00 pm
PIH
- MCI
2 stops13h 19m
Delta
Deal found 7/7![Delta logo]()
$472
Last-minute flights from Kansas City to IdahoDiscover last-minute flight deals from Kansas City to Idaho. Data last updated July 8, 2026 and is based on user searches.
Discover last-minute flight deals from Kansas City to Idaho. Data last updated July 8, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/201:45 pm
MCI
- BOI
1 stop23h 44m
Frontier
Thu 7/301:24 pm
BOI
- MCI
1 stop22h 36m
Frontier
Deal found 7/6![Frontier logo]()
$300
This American Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/296:01 am
MCI
- BOI
1 stop8h 26m
American Airlines
Tue 8/43:54 pm
BOI
- MCI
1 stop7h 29m
American Airlines
Deal found 7/7![American Airlines logo]()
$336
This United Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/44:26 pm
MCI
- BOI
1 stop6h 39m
United Airlines
Tue 8/115:44 pm
BOI
- MCI
1 stop4h 46m
United Airlines
Deal found 7/7![United Airlines logo]()
$251
This United Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:00 am
MCI
- IDA
1 stop4h 50m
United Airlines
Wed 8/125:53 pm
IDA
- MCI
1 stop4h 37m
United Airlines
Deal found 7/8![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/63:04 pm
MCI
- GEG
1 stop5h 15m
Delta
Wed 8/125:30 am
GEG
- MCI
1 stop6h 38m
Delta
Deal found 7/7![Delta logo]()
$272
This Booking.com deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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.
Thu 8/65:50 pm
MCI
- BOI
1 stop6h 58m
Multiple Airlines
Tue 8/111:24 pm
BOI
- MCI
1 stop22h 36m
Multiple Airlines
Deal found 7/3![Multiple Airlines logo]()
$328
This Southwest deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:15 pm
MCI
- GEG
1 stop6h 40m
Southwest
Sat 8/158:00 am
GEG
- MCI
1 stop5h 45m
Southwest
Deal found 7/6![Southwest logo]()
$258
This American Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:20 am
MCI
- BOI
1 stop5h 56m
American Airlines
Fri 8/213:19 pm
BOI
- MCI
1 stop8h 16m
American Airlines
Deal found 7/7![American Airlines logo]()
$283
This American Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/175:29 am
MCI
- BOI
1 stop6h 47m
American Airlines
Sat 8/221:55 pm
BOI
- MCI
2 stops7h 55m
American Airlines
Deal found 7/7![American Airlines logo]()
$258
This Delta deal was found by Cheapflights users on 7/7. 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.
Sat 8/222:07 pm
MCI
- IDA
2 stops9h 25m
Delta
Sat 8/296:00 am
IDA
- MCI
1 stop7h 10m
Delta
Deal found 7/7![Delta logo]()
$324
This Booking.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/221:38 pm
MCI
- BOI
1 stop22h 51m
Multiple Airlines
Wed 8/262:17 pm
BOI
- MCI
1 stop8h 42m
Multiple Airlines
Deal found 7/6![Multiple Airlines logo]()
$337
This American Airlines deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:30 am
MCI
- BOI
1 stop6h 46m
American Airlines
Tue 9/11:55 pm
BOI
- MCI
2 stops9h 40m
American Airlines
Deal found 7/8![American Airlines logo]()
$256
One-way flights from Kansas City to IdahoSearch for one-way flight options from Kansas City to Idaho. Find affordable one-way fares based on user searches. Data last updated July 8, 2026.
Search for one-way flight options from Kansas City to Idaho. Find affordable one-way fares based on user searches. Data last updated July 8, 2026.
This United Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/44:26 pm
MCI
- BOI
1 stop6h 39m
United Airlines
Deal found 7/7![United Airlines logo]()
$126
This Mytrip deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/11:45 pm
MCI
- BOI
1 stop23h 44m
Frontier
Deal found 7/6![Frontier logo]()
$140
This Alaska Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” 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 7/3![Alaska Airlines logo]()
$185
This Alaska Airlines deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/35:50 pm
MCI
- IDA
1 stop20h 16m
Alaska Airlines
Deal found 7/6![Alaska Airlines logo]()
$190
This Southwest deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:30 pm
MCI
- GEG
1 stop7h 10m
Southwest
Deal found 7/4![Southwest logo]()
$202
This Alaska Airlines deal was found by Cheapflights users on 7/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/46:02 am
MCI
- BOI
1 stop7h 24m
Alaska Airlines
Deal found 7/7![Alaska Airlines logo]()
$209
This Booking.com deal was found by Cheapflights users on 7/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.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
Deal found 7/6![Frontier logo]()
$217
This Delta deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/285:42 pm
MCI
- GEG
1 stop7h 24m
Delta
Deal found 7/8![Delta logo]()
$220
This United Airlines deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/66:00 am
MCI
- BOI
1 stop4h 53m
United Airlines
Deal found 7/5![United Airlines logo]()
$220
This Alaska Airlines deal was found by Cheapflights users on 7/4. Clicking the “Pick Dates” 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 9/222:53 pm
MCI
- JAC
1 stop23h 37m
Alaska Airlines
Deal found 7/4![Alaska Airlines logo]()
$223
This Southwest deal was found by Cheapflights users on 7/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/147:15 pm
MCI
- BOI
1 stop5h 40m
Southwest
Deal found 7/5![Southwest logo]()
$224
This Southwest deal was found by Cheapflights users on 7/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/37:10 pm
MCI
- GEG
2 stops8h 15m
Southwest
Deal found 7/8![Southwest logo]()
$225
Find flight deals from Kansas City to Idaho
Keep the following information in mind while searching for Kansas City to Idaho flight deals. Data was last updated July 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $251 (Delta) |
One-way from | $140 (Mytrip) |
Popular in | February |
Cheapest in | September |
Average price | $504 |
Cheapflights Fare Finder
Customize your flight search to find flights from Kansas City to Idaho that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 8, 2026.
Use the filters below to find and compare flights from Kansas City to Idaho that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Kansas CityBoise
MCI - BOI
MCIBOI
Kansas City
Tue 8/25
12:28 pm-10:40 pm
2 stops11h 12m
Boise Air Term. Gowen Fld
Tue 9/1
1:55 pm-12:35 am
2 stops9h 40m
$261
Kansas CitySpokane
MCI - GEG
MCIGEG
Kansas City
Thu 9/10
7:30 am-3:00 pm
2 stops9h 30m
Spokane
Thu 9/17
12:20 pm-12:10 am
1 stop9h 50m
$278
Kansas CityIdaho Falls
MCI - IDA
MCIIDA
Kansas City
Wed 8/5
6:00 am-9:50 am
1 stop4h 50m
Idaho Falls Fanning Field
Wed 8/12
4:04 pm-11:30 pm
1 stop6h 26m
$319
Kansas CityIdaho Falls
MCI - IDA
MCIIDA
Kansas City
Sat 8/22
3:03 pm-6:20 pm
1 stop4h 17m
Idaho Falls Fanning Field
Sat 8/29
6:00 am-2:10 pm
1 stop7h 10m
$319
Kansas CityBoise
MCI - BOI
MCIBOI
Kansas City
Tue 11/10
7:01 am-3:27 pm
1 stop9h 26m
Boise Air Term. Gowen Fld
Wed 11/11
4:21 pm-11:59 pm
1 stop6h 38m
$329
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
$341
Kansas CityBoise
MCI - BOI
MCIBOI
Kansas City
Tue 8/4
6:01 pm-11:59 pm
1 stop6h 58m
Boise Air Term. Gowen Fld
Mon 8/10
6:45 pm-12:13 am
1 stop4h 28m
$341
Kansas CitySpokane
MCI - GEG
MCIGEG
Kansas City
Tue 10/27
6:13 am-11:39 am
1 stop7h 26m
Spokane
Wed 10/28
6:00 am-2:17 pm
1 stop6h 17m
$351
Kansas CitySpokane
MCI - GEG
MCIGEG
Kansas City
Fri 10/16
3:40 pm-11:40 pm
2 stops10h 00m
Spokane
Wed 10/21
7:35 am-6:15 pm
2 stops8h 40m
$370
Kansas CityWest Yellowstone
MCI - WYS
MCIWYS
Kansas City
Sat 10/10
9:00 am-1:30 pm
1 stop5h 30m
West Yellowstone
Sat 10/17
2:05 pm-8:44 pm
1 stop5h 39m
$384
Showing 1-10 of 58 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-IDA
MCI-GEG
MCI-JAC
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-IDA
MCI-GEG
MCI-JAC
What is the cheapest month to book a flight from Kansas City to Idaho?
Currently, August is the cheapest month in which you can book a flight from Kansas City to Idaho (average of $154). Flying from Kansas City to Idaho in June is currently the most expensive (average of $360). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Kansas City to Idaho?
Reviews of airlines servicing Idaho
Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated July 8, 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.
Food
7.0
Boarding
8.1
Comfort
7.8
Overall
7.9
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Boarding
8.1
Comfort
7.8
Overall
7.9
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Boarding
8.1
Comfort
7.8
Overall
7.9
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Boarding
8.1
Comfort
7.8
Overall
7.9
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Food
7.0
Boarding
8.1
Comfort
7.8
Overall
7.9
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Related info for your journey
Find useful and relevant information for your journey from Kansas City to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Kansas City to Idaho
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Complete your trip
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 July 8, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Kansas City to Idaho flights
Consider these flights traveling from Kansas City to Idaho.
Top 4 airlines flying from Kansas City to Idaho
Discover the top 4 airlines that operate flights from Kansas City to Idaho. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$186 | Average$373 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$232 | Average$438 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$256 | Average$427 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$317 | Average$494 | FlexibilityNo cancel fee | On-time63% |