$102+ Cheap flights from Boise (BOI) to Missouri
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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — MCI
Aug 17 — Aug 241
Round-trip
1 adult, Economy
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Find cheap flights from Boise to Missouri with Cheapflights
1. Tell us where you want to go
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Cheapest flights from Boise to MissouriExplore the most affordable flight options available from Boise to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 18, 2026.
Explore the most affordable flight options available from Boise to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2712:24 pm
BOI
- STL
1 stop5h 49m
Frontier
Mon 8/317:58 pm
STL
- BOI
1 stop17h 31m
Frontier
Deal found 7/16![Frontier logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 10/93:52 pm
BOI
- MCI
2 stops20h 30m
Frontier
Mon 10/122:17 pm
MCI
- BOI
1 stop22h 11m
Frontier
Deal found 7/13![Frontier logo]()
$240
This Frontier deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/61:24 pm
BOI
- STL
1 stop4h 59m
Frontier
Wed 8/128:08 pm
STL
- BOI
1 stop17h 21m
Frontier
Deal found 7/14![Frontier logo]()
$244
This CheapOair deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/131:24 pm
BOI
- STL
1 stop4h 59m
Frontier
Mon 8/178:08 pm
STL
- BOI
1 stop17h 21m
Frontier
Deal found 7/15![Frontier logo]()
$254
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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.
Sun 9/273:52 pm
BOI
- MCI
2 stops20h 30m
Frontier
Wed 9/302:17 pm
MCI
- BOI
1 stop22h 47m
Frontier
Deal found 7/15![Frontier logo]()
$254
This CheapOair deal was found by Cheapflights users on 7/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/233:52 pm
BOI
- STL
1 stop8h 25m
Frontier
Sun 10/255:19 pm
STL
- BOI
1 stop22h 38m
Frontier
Deal found 7/17![Frontier logo]()
$279
This CheapOair deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:59 pm
BOI
- STL
1 stop5h 16m
Frontier
Sun 9/2012:46 pm
STL
- BOI
1 stop27h 11m
Frontier
Deal found 7/14![Frontier logo]()
$286
This Kiwi.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” 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.
Tue 9/11:24 pm
BOI
- MCI
2 stops20h 17m
Frontier
Sat 9/51:38 pm
MCI
- BOI
1 stop22h 51m
Frontier
Deal found 7/14![Frontier logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 7/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:52 pm
BOI
- MCI
2 stops20h 30m
Frontier
Wed 9/162:17 pm
MCI
- BOI
1 stop22h 47m
Frontier
Deal found 7/17![Frontier logo]()
$322
This United Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 8/205:44 pm
BOI
- SGF
1 stop4h 58m
United Airlines
Mon 8/245:30 am
SGF
- BOI
1 stop5h 05m
United Airlines
Deal found 7/13![United Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” 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 8/113:19 pm
BOI
- SGF
1 stop6h 24m
American Airlines
Tue 8/181:13 pm
SGF
- BOI
2 stops10h 27m
American Airlines
Deal found 7/12![American Airlines logo]()
$334
This Expedia deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” 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.
Thu 9/32:17 pm
BOI
- MCI
1 stop8h 42m
Alaska Airlines
Tue 9/87:00 am
MCI
- BOI
2 stops14h 20m
Alaska Airlines
Deal found 7/14![Alaska Airlines logo]()
$335
Best flights from Boise to MissouriDiscover carefully curated flight deals from Boise to Missouri that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 18, 2026.
Discover carefully curated flight deals from Boise to Missouri that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 18, 2026.
This United Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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 8/205:44 pm
BOI
- SGF
1 stop4h 58m
United Airlines
Mon 8/245:30 am
SGF
- BOI
1 stop5h 05m
United Airlines
Deal found 7/15![United Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” 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 9/52:25 pm
BOI
- MCI
1 stop4h 35m
Southwest
Thu 9/104:55 pm
MCI
- BOI
1 stop6h 40m
Southwest
Deal found 7/14![Southwest logo]()
$344
This Alaska Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” 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 9/196:00 am
BOI
- MCI
1 stop5h 38m
Alaska Airlines
Wed 9/237:00 am
MCI
- BOI
1 stop6h 35m
Alaska Airlines
Deal found 7/14![Alaska Airlines logo]()
$347
This American Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/201:55 pm
BOI
- SGF
2 stops9h 00m
American Airlines
Mon 8/242:26 pm
SGF
- BOI
2 stops9h 14m
American Airlines
Deal found 7/14![American Airlines logo]()
$389
This Travelocity deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:59 pm
BOI
- STL
1 stop5h 16m
Multiple Airlines
Sun 9/205:00 am
STL
- BOI
2 stops11h 30m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$411
This United Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/315:44 pm
BOI
- MCI
1 stop4h 46m
United Airlines
Sat 9/55:13 pm
MCI
- BOI
1 stop5h 24m
United Airlines
Deal found 7/14![United Airlines logo]()
$344
This Southwest deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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 8/67:30 am
BOI
- MCI
1 stop6h 00m
Southwest
Thu 8/134:55 pm
MCI
- BOI
2 stops8h 00m
Southwest
Deal found 7/15![Southwest logo]()
$352
This Alaska Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” 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 10/274:19 pm
BOI
- STL
1 stop6h 40m
Alaska Airlines
Wed 10/287:00 am
STL
- BOI
1 stop9h 23m
Alaska Airlines
Deal found 7/14![Alaska Airlines logo]()
$363
This United Airlines deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” 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 8/115:44 pm
BOI
- SGF
1 stop4h 58m
United Airlines
Tue 8/185:30 am
SGF
- BOI
1 stop5h 05m
United Airlines
Deal found 7/12![United Airlines logo]()
$360
This Alaska Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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 9/96:00 am
BOI
- STL
1 stop10h 10m
Alaska Airlines
Tue 9/156:29 am
STL
- BOI
1 stop7h 06m
Alaska Airlines
Deal found 7/15![Alaska Airlines logo]()
$363
This Southwest deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” 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 9/197:45 am
BOI
- MCI
2 stops8h 30m
Southwest
Mon 9/214:55 pm
MCI
- BOI
2 stops7h 40m
Southwest
Deal found 7/14![Southwest logo]()
$371
This United Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/135:44 pm
BOI
- SGF
1 stop4h 58m
United Airlines
Mon 8/175:30 am
SGF
- BOI
1 stop5h 05m
United Airlines
Deal found 7/15![United Airlines logo]()
$364
This Southwest deal was found by Cheapflights users on 7/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/174:55 pm
BOI
- MCI
1 stop5h 50m
Southwest
Thu 9/247:00 pm
MCI
- BOI
1 stop5h 35m
Southwest
Deal found 7/17![Southwest logo]()
$375
This Alaska Airlines deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 9/236:00 am
BOI
- MCI
1 stop5h 38m
Alaska Airlines
Sat 9/261:34 pm
MCI
- BOI
1 stop7h 50m
Alaska Airlines
Deal found 7/16![Alaska Airlines logo]()
$382
This Southwest deal was found by Cheapflights users on 7/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/83:40 pm
BOI
- MCI
1 stop5h 50m
Southwest
Tue 9/156:55 am
MCI
- BOI
1 stop7h 45m
Southwest
Deal found 7/17![Southwest logo]()
$375
This American Airlines deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 7/283:54 pm
BOI
- SGF
1 stop6h 40m
American Airlines
Tue 8/412:46 pm
SGF
- BOI
2 stops11h 25m
American Airlines
Deal found 7/16![American Airlines logo]()
$500
This Alaska Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 9/16:23 am
BOI
- STL
1 stop6h 41m
Alaska Airlines
Sat 9/56:08 pm
STL
- BOI
1 stop6h 47m
Alaska Airlines
Deal found 7/13![Alaska Airlines logo]()
$388
This United Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 11/75:00 am
BOI
- COU
2 stops8h 29m
United Airlines
Wed 11/119:00 am
COU
- BOI
1 stop5h 24m
United Airlines
Deal found 7/13![United Airlines logo]()
$414
This Alaska Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” 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 10/144:19 pm
BOI
- MCI
1 stop6h 40m
Alaska Airlines
Sun 10/186:13 am
MCI
- BOI
1 stop7h 22m
Alaska Airlines
Deal found 7/14![Alaska Airlines logo]()
$397
This Southwest deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:45 pm
BOI
- MCI
2 stops10h 40m
Southwest
Sun 10/188:45 pm
MCI
- BOI
1 stop5h 35m
Southwest
Deal found 7/13![Southwest logo]()
$402
This Southwest deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 8/1311:30 am
BOI
- STL
2 stops9h 35m
Southwest
Mon 8/172:20 pm
STL
- BOI
2 stops10h 35m
Southwest
Deal found 7/13![Southwest logo]()
$404
This United Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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 10/2712:32 pm
BOI
- STL
1 stop7h 41m
United Airlines
Wed 10/285:00 am
STL
- BOI
2 stops9h 24m
United Airlines
Deal found 7/15![United Airlines logo]()
$458
This United Airlines deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/110:31 am
BOI
- STL
1 stop5h 03m
United Airlines
Sat 9/58:00 am
STL
- BOI
2 stops10h 58m
United Airlines
Deal found 7/12![United Airlines logo]()
$458
This Southwest deal was found by Cheapflights users on 7/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2212:55 pm
BOI
- STL
1 stop7h 40m
Southwest
Sat 8/297:10 am
STL
- BOI
2 stops9h 20m
Southwest
Deal found 7/17![Southwest logo]()
$418
This United Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” 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 8/285:44 pm
BOI
- SGF
1 stop4h 58m
United Airlines
Fri 9/44:58 pm
SGF
- BOI
2 stops23h 33m
United Airlines
Deal found 7/14![United Airlines logo]()
$567
This United Airlines deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 1/129:40 am
BOI
- JLN
1 stop6h 31m
United Airlines
Sat 1/166:02 pm
JLN
- BOI
1 stop16h 41m
United Airlines
Deal found 7/16![United Airlines logo]()
$631
Last-minute flights from Boise to MissouriDiscover last-minute flight deals from Boise to Missouri. Data last updated July 18, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Missouri. Data last updated July 18, 2026 and is based on user searches.
This Frontier deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/61:24 pm
BOI
- STL
1 stop4h 59m
Frontier
Wed 8/128:08 pm
STL
- BOI
1 stop17h 21m
Frontier
Deal found 7/14![Frontier logo]()
$244
This Southwest deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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 8/67:30 am
BOI
- MCI
1 stop6h 00m
Southwest
Thu 8/134:55 pm
MCI
- BOI
2 stops8h 00m
Southwest
Deal found 7/15![Southwest logo]()
$352
This American Airlines deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” 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 8/113:19 pm
BOI
- SGF
1 stop6h 24m
American Airlines
Tue 8/181:13 pm
SGF
- BOI
2 stops10h 27m
American Airlines
Deal found 7/12![American Airlines logo]()
$334
This United Airlines deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” 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 8/115:44 pm
BOI
- SGF
1 stop4h 58m
United Airlines
Tue 8/185:30 am
SGF
- BOI
1 stop5h 05m
United Airlines
Deal found 7/12![United Airlines logo]()
$360
This CheapOair deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/131:24 pm
BOI
- STL
1 stop4h 59m
Frontier
Mon 8/178:08 pm
STL
- BOI
1 stop17h 21m
Frontier
Deal found 7/15![Frontier logo]()
$254
This Delta deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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 8/176:45 pm
BOI
- MCI
1 stop4h 28m
Delta
Thu 8/206:01 pm
MCI
- BOI
1 stop6h 58m
Delta
Deal found 7/16![Delta logo]()
$347
This United Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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 8/205:44 pm
BOI
- SGF
1 stop4h 58m
United Airlines
Mon 8/245:30 am
SGF
- BOI
1 stop5h 05m
United Airlines
Deal found 7/13![United Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:49 pm
BOI
- SGF
1 stop8h 06m
American Airlines
Mon 8/246:00 am
SGF
- BOI
1 stop6h 16m
American Airlines
Deal found 7/14![American Airlines logo]()
$354
This Priceline deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2312:24 pm
BOI
- STL
1 stop5h 49m
Multiple Airlines
Tue 8/256:35 am
STL
- BOI
1 stop7h 01m
Multiple Airlines
Deal found 7/14![Multiple Airlines logo]()
$336
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2712:24 pm
BOI
- STL
1 stop5h 49m
Frontier
Mon 8/317:58 pm
STL
- BOI
1 stop17h 31m
Frontier
Deal found 7/16![Frontier logo]()
$218
This United Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/315:44 pm
BOI
- MCI
1 stop4h 46m
United Airlines
Sat 9/55:13 pm
MCI
- BOI
1 stop5h 24m
United Airlines
Deal found 7/14![United Airlines logo]()
$344
This Southwest deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” 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 8/312:55 pm
BOI
- MCI
2 stops7h 50m
Southwest
Sat 9/512:40 pm
MCI
- BOI
1 stop8h 00m
Southwest
Deal found 7/14![Southwest logo]()
$349
One-way flights from Boise to MissouriSearch for one-way flight options from Boise to Missouri. Find affordable one-way fares based on user searches. Data last updated July 18, 2026.
Search for one-way flight options from Boise to Missouri. Find affordable one-way fares based on user searches. Data last updated July 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” 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.
Tue 8/111:24 pm
BOI
- MCI
1 stop22h 36m
Frontier
Deal found 7/16![Frontier logo]()
$102
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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.
Tue 9/81:24 pm
BOI
- MCI
1 stop22h 58m
Frontier
Deal found 7/13![Frontier logo]()
$106
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” 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.
Tue 9/1512:59 pm
BOI
- MCI
1 stop23h 23m
Frontier
Deal found 7/13![Frontier logo]()
$107
This Frontier deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/131:24 pm
BOI
- STL
1 stop4h 59m
Frontier
Deal found 7/14![Frontier logo]()
$122
This Expedia deal was found by Cheapflights users on 7/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/273:52 pm
BOI
- STL
1 stop18h 59m
Frontier
Deal found 7/17![Frontier logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2712:24 pm
BOI
- MCI
1 stop23h 29m
Frontier
Deal found 7/14![Frontier logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/131:24 pm
BOI
- MCI
1 stop22h 36m
Frontier
Deal found 7/14![Frontier logo]()
$160
This Kiwi.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” 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.
Sun 8/161:24 pm
BOI
- MCI
1 stop22h 36m
Frontier
Deal found 7/14![Frontier logo]()
$162
This Trip.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/301:24 pm
BOI
- MCI
1 stop22h 36m
Frontier
Deal found 7/16![Frontier logo]()
$166
This Expedia deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” 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.
Thu 7/301:24 pm
BOI
- STL
1 stop4h 59m
Frontier
Deal found 7/15![Frontier logo]()
$174
This American Airlines deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” 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 9/73:19 pm
BOI
- MCI
1 stop8h 16m
American Airlines
Deal found 7/12![American Airlines logo]()
$174
This American Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/271:55 pm
BOI
- MCI
2 stops7h 55m
American Airlines
Deal found 7/14![American Airlines logo]()
$179
Find flight deals from Boise to Missouri
Keep the following information in mind while searching for Boise to Missouri flight deals. Data was last updated July 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $218 (Kiwi.com) |
One-way from | $102 (Kiwi.com) |
Popular in | March |
Cheapest in | February |
Average price | $506 |
Cheapflights Fare Finder
Customize your flight search to find flights from Boise to Missouri 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 18, 2026.
Use the filters below to find and compare flights from Boise to Missouri that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
BoiseSpringfield
BOI - SGF
BOISGF
Boise Air Term. Gowen Fld
Thu 8/20
5:44 pm-11:42 pm
1 stop4h 58m
Springfield-Branson
Mon 8/24
5:30 am-9:35 am
1 stop5h 05m
$329
BoiseKansas City
BOI - MCI
BOIMCI
Boise Air Term. Gowen Fld
Sat 9/5
2:25 pm-8:00 pm
1 stop4h 35m
Kansas City
Thu 9/10
4:55 pm-10:35 pm
1 stop6h 40m
$344
BoiseKansas City
BOI - MCI
BOIMCI
Boise Air Term. Gowen Fld
Mon 8/31
5:44 pm-11:30 pm
1 stop4h 46m
Kansas City
Sat 9/5
5:13 pm-9:37 pm
1 stop5h 24m
$344
BoiseKansas City
BOI - MCI
BOIMCI
Boise Air Term. Gowen Fld
Sat 9/19
6:00 am-12:38 pm
1 stop5h 38m
Kansas City
Wed 9/23
7:00 am-12:35 pm
1 stop6h 35m
$347
BoiseKansas City
BOI - MCI
BOIMCI
Boise Air Term. Gowen Fld
Thu 8/6
7:30 am-2:30 pm
1 stop6h 00m
Kansas City
Thu 8/13
4:55 pm-11:55 pm
2 stops8h 00m
$352
BoiseSpringfield
BOI - SGF
BOISGF
Boise Air Term. Gowen Fld
Tue 8/11
5:44 pm-11:42 pm
1 stop4h 58m
Springfield-Branson
Tue 8/18
5:30 am-9:35 am
1 stop5h 05m
$360
BoiseSt. Louis
BOI - STL
BOISTL
Boise Air Term. Gowen Fld
Tue 10/27
4:19 pm-11:59 pm
1 stop6h 40m
Lambert-St Louis
Wed 10/28
7:00 am-3:23 pm
1 stop9h 23m
$363
BoiseSt. Louis
BOI - STL
BOISTL
Boise Air Term. Gowen Fld
Wed 9/9
6:00 am-5:10 pm
1 stop10h 10m
Lambert-St Louis
Tue 9/15
6:29 am-12:35 pm
1 stop7h 06m
$363
BoiseSpringfield
BOI - SGF
BOISGF
Boise Air Term. Gowen Fld
Thu 8/13
5:44 pm-11:42 pm
1 stop4h 58m
Springfield-Branson
Mon 8/17
5:30 am-9:35 am
1 stop5h 05m
$364
BoiseKansas City
BOI - MCI
BOIMCI
Boise Air Term. Gowen Fld
Sat 9/19
7:45 am-5:15 pm
2 stops8h 30m
Kansas City
Mon 9/21
4:55 pm-11:35 pm
2 stops7h 40m
$371
Showing 1-10 of 54 resultsSorted by cheapest first
Best time to book a flight from Boise to Missouri
Have a flexible travel schedule? Discover the best time to fly to Missouri from Boise with our price prediction graph.
BOI-STL
BOI-MCI
BOI-SGF
BOI-COU
BOI-JLN
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 Boise to Missouri
BOI-USMO
BOI-STL
BOI-MCI
BOI-SGF
BOI-COU
What is the cheapest month to book a flight from Boise to Missouri?
Currently, February is the cheapest month in which you can book a flight from Boise to Missouri (average of $348). Flying from Boise to Missouri in July is currently the most expensive (average of $559). 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 Boise to Missouri?
How far ahead should I book a flight from Boise to Missouri?
Booking 69 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boise to Missouri. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Reviews of airlines servicing Missouri
Get insights into the airlines that provide service to Missouri. 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 Missouri. Reviews last updated July 18, 2026.
See what other customers who have flown with Southwest,Alaska Airlines, andDelta from Boise to Missouri 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
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Crew
8.6
Overall
8.0
Food
7.0
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
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Complete your trip
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Boise and Missouri flights
Browse other Boise and Missouri flight options. Last updated on July 18, 2026.
Popular flight searches
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Boise to Missouri flights
Consider these flights traveling from Boise to Missouri.
Top 5 airlines flying from Boise to Missouri
Discover the top 5 airlines that operate flights from Boise to Missouri. 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 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$196 | Average$463 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$260 | Average$416 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$262 | Average$447 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$283 | Average$442 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$331 | Average$494 | FlexibilityNo cancel fee | On-time71% |