$112+ 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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — STL
Mar 16 — Mar 231
1 adult, Economy
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Find cheap flights from Boise to Missouri 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
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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 February 14, 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 February 14, 2026.
This CheapOair deal was found by Cheapflights users on 2/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/111:56 am
BOI
- STL
1 stop24h 13m
Frontier
Sat 3/78:12 pm
STL
- BOI
1 stop15h 08m
Frontier
Deal found 2/12![Frontier logo]()
$236
This Delta deal was found by Cheapflights users on 2/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/163:44 pm
BOI
- MCI
1 stop6h 59m
Delta
Mon 4/207:45 am
MCI
- BOI
1 stop9h 29m
Delta
Deal found 2/13![Delta logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 2/13. 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.
Thu 4/212:03 pm
BOI
- STL
1 stop20h 45m
Frontier
Tue 4/711:21 am
STL
- BOI
2 stops48h 47m
Frontier
Deal found 2/13![Frontier logo]()
$273
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 3/253:00 pm
BOI
- MCI
1 stop7h 03m
Delta
Sat 3/284:02 pm
MCI
- BOI
1 stop6h 07m
Delta
Deal found 2/11![Delta logo]()
$277
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1012:59 pm
BOI
- STL
2 stops9h 35m
United Airlines
Tue 3/176:25 am
STL
- BOI
1 stop6h 48m
United Airlines
Deal found 2/10![United Airlines logo]()
$282
This Delta deal was found by Cheapflights users on 2/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/210:35 am
BOI
- STL
2 stops12h 46m
Delta
Tue 4/73:05 pm
STL
- BOI
2 stops9h 40m
Delta
Deal found 2/13![Delta logo]()
$286
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1011:30 pm
BOI
- STL
1 stop8h 35m
Delta
Tue 3/173:05 pm
STL
- BOI
1 stop7h 04m
Delta
Deal found 2/10![Delta logo]()
$287
This United Airlines deal was found by Cheapflights users on 2/13. 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.
Wed 3/187:47 am
BOI
- STL
1 stop7h 36m
United Airlines
Tue 3/245:15 am
STL
- BOI
1 stop5h 51m
United Airlines
Deal found 2/13![United Airlines logo]()
$293
This CheapOair deal was found by Cheapflights users on 2/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/254:15 pm
BOI
- MCI
1 stop6h 44m
Alaska Airlines
Sat 3/283:52 pm
MCI
- BOI
1 stop9h 04m
Alaska Airlines
Deal found 2/13![Alaska Airlines logo]()
$296
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 9/251:43 pm
BOI
- SGF
1 stop7h 46m
Delta
Wed 9/303:30 pm
SGF
- BOI
1 stop8h 02m
Delta
Deal found 2/11![Delta logo]()
$299
This Alaska Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/101:00 pm
BOI
- MCI
1 stop23h 55m
Alaska Airlines
Mon 4/206:15 am
MCI
- BOI
1 stop7h 07m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$306
This United Airlines deal was found by Cheapflights users on 2/12. 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.
Sun 4/196:15 am
BOI
- MCI
1 stop5h 37m
United Airlines
Tue 4/213:21 pm
MCI
- BOI
2 stops8h 14m
United Airlines
Deal found 2/12![United Airlines logo]()
$311
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 February 14, 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 February 14, 2026.
This Delta deal was found by Cheapflights users on 2/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/163:44 pm
BOI
- MCI
1 stop6h 59m
Delta
Mon 4/207:45 am
MCI
- BOI
1 stop9h 29m
Delta
Deal found 2/13![Delta logo]()
$263
This Alaska Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/182:22 pm
BOI
- MCI
1 stop8h 37m
Alaska Airlines
Wed 4/16:15 am
MCI
- BOI
1 stop7h 04m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 2/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/111:56 am
BOI
- STL
2 stops32h 17m
Frontier
Sat 3/78:12 pm
STL
- BOI
1 stop15h 08m
Frontier
Deal found 2/12![Frontier logo]()
$279
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1012:59 pm
BOI
- STL
2 stops9h 35m
United Airlines
Tue 3/176:25 am
STL
- BOI
1 stop6h 48m
United Airlines
Deal found 2/10![United Airlines logo]()
$282
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/201:39 pm
BOI
- SGF
1 stop7h 50m
American Airlines
Tue 2/246:00 am
SGF
- BOI
1 stop7h 42m
American Airlines
Deal found 2/10![American Airlines logo]()
$374
This Delta deal was found by Cheapflights users on 2/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/253:00 pm
BOI
- MCI
1 stop7h 03m
Delta
Sat 3/284:02 pm
MCI
- BOI
1 stop6h 07m
Delta
Deal found 2/12![Delta logo]()
$277
This United Airlines deal was found by Cheapflights users on 2/13. 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.
Wed 3/187:47 am
BOI
- STL
1 stop7h 36m
United Airlines
Tue 3/245:15 am
STL
- BOI
1 stop5h 51m
United Airlines
Deal found 2/13![United Airlines logo]()
$293
This Alaska Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/101:00 pm
BOI
- MCI
1 stop23h 55m
Alaska Airlines
Mon 4/206:15 am
MCI
- BOI
1 stop7h 07m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$306
This Delta deal was found by Cheapflights users on 2/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/210:35 am
BOI
- STL
2 stops12h 46m
Delta
Tue 4/73:05 pm
STL
- BOI
2 stops9h 40m
Delta
Deal found 2/13![Delta logo]()
$286
This United Airlines deal was found by Cheapflights users on 2/12. 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.
Sun 4/195:29 pm
BOI
- MCI
1 stop5h 03m
United Airlines
Tue 4/215:18 pm
MCI
- BOI
1 stop6h 17m
United Airlines
Deal found 2/12![United Airlines logo]()
$306
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1011:30 pm
BOI
- STL
1 stop8h 35m
Delta
Tue 3/173:05 pm
STL
- BOI
1 stop7h 04m
Delta
Deal found 2/10![Delta logo]()
$287
This Alaska Airlines deal was found by Cheapflights users on 2/13. 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.
Thu 4/26:00 am
BOI
- STL
1 stop8h 20m
Alaska Airlines
Tue 4/73:50 pm
STL
- BOI
1 stop9h 06m
Alaska Airlines
Deal found 2/13![Alaska Airlines logo]()
$340
This American Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 2/191:39 pm
BOI
- SGF
1 stop7h 50m
American Airlines
Tue 2/246:00 am
SGF
- BOI
1 stop7h 42m
American Airlines
Deal found 2/11![American Airlines logo]()
$396
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 3/105:30 am
BOI
- MCI
1 stop5h 07m
Delta
Mon 4/207:59 pm
MCI
- BOI
1 stop4h 58m
Delta
Deal found 2/11![Delta logo]()
$306
This CheapOair deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/166:35 am
BOI
- STL
1 stop8h 15m
Alaska Airlines
Mon 5/187:56 pm
STL
- BOI
1 stop16h 06m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$348
This United Airlines deal was found by Cheapflights users on 2/12. 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.
Fri 2/2712:16 pm
BOI
- COU
1 stop8h 17m
United Airlines
Tue 3/311:15 am
COU
- BOI
1 stop8h 32m
United Airlines
Deal found 2/12![United Airlines logo]()
$351
This Delta deal was found by Cheapflights users on 2/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/196:00 am
BOI
- MCI
1 stop6h 20m
Delta
Tue 4/219:32 am
MCI
- BOI
1 stop5h 54m
Delta
Deal found 2/13![Delta logo]()
$306
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/191:39 pm
BOI
- SGF
1 stop7h 50m
American Airlines
Mon 2/234:34 pm
SGF
- BOI
1 stop6h 48m
American Airlines
Deal found 2/10![American Airlines logo]()
$409
This CheapOair deal was found by Cheapflights users on 2/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/252:22 pm
BOI
- STL
1 stop8h 37m
Alaska Airlines
Sat 3/285:30 pm
STL
- BOI
1 stop7h 26m
Alaska Airlines
Deal found 2/12![Alaska Airlines logo]()
$348
This United Airlines deal was found by Cheapflights users on 2/12. 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 4/215:29 pm
BOI
- JLN
1 stop5h 15m
United Airlines
Sat 4/251:58 pm
JLN
- BOI
1 stop5h 07m
United Airlines
Deal found 2/12![United Airlines logo]()
$364
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/45:35 am
BOI
- SGF
2 stops10h 12m
Delta
Mon 3/93:56 pm
SGF
- BOI
1 stop7h 29m
Delta
Deal found 2/10![Delta logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/81:53 pm
BOI
- SGF
1 stop7h 23m
Alaska Airlines
Sun 5/105:47 pm
SGF
- BOI
1 stop6h 07m
Alaska Airlines
Deal found 2/11![Alaska Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1910:25 am
BOI
- SGF
1 stop4h 56m
United Airlines
Tue 2/245:02 pm
SGF
- BOI
1 stop5h 30m
United Airlines
Deal found 2/10![United Airlines logo]()
$374
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/207:11 am
BOI
- SGF
2 stops12h 10m
United Airlines
Tue 2/245:02 pm
SGF
- BOI
1 stop5h 30m
United Airlines
Deal found 2/10![United Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2511:30 pm
BOI
- STL
1 stop8h 35m
Delta
Sat 3/285:00 pm
STL
- BOI
1 stop6h 11m
Delta
Deal found 2/10![Delta logo]()
$354
This American Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 5/11:29 pm
BOI
- COU
1 stop7h 01m
American Airlines
Sun 5/35:21 pm
COU
- BOI
1 stop6h 33m
American Airlines
Deal found 2/11![American Airlines logo]()
$554
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 3/2512:05 pm
BOI
- STL
1 stop8h 02m
United Airlines
Sat 3/285:15 am
STL
- BOI
1 stop5h 51m
United Airlines
Deal found 2/11![United Airlines logo]()
$388
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/15:45 pm
BOI
- STL
1 stop5h 13m
United Airlines
Sun 7/55:15 am
STL
- BOI
1 stop5h 34m
United Airlines
Deal found 2/10![United Airlines logo]()
$389
This American Airlines deal was found by Cheapflights users on 2/14. 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.
Sun 3/11:39 pm
BOI
- COU
1 stop7h 57m
American Airlines
Thu 3/56:00 am
COU
- BOI
1 stop8h 00m
American Airlines
Deal found 2/14![American Airlines logo]()
$910
This United Airlines deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/16:58 pm
BOI
- COU
2 stops18h 34m
United Airlines
Sun 5/33:10 pm
COU
- BOI
2 stops32h 06m
United Airlines
Deal found 2/11![United Airlines logo]()
$811
Last-minute flights from Boise to MissouriDiscover last-minute flight deals from Boise to Missouri. Data last updated February 14, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Missouri. Data last updated February 14, 2026 and is based on user searches.
This Travelocity deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2612:38 pm
BOI
- MCI
1 stop6h 51m
Multiple Airlines
Mon 3/22:49 pm
MCI
- BOI
1 stop8h 51m
Multiple Airlines
Deal found 2/10![Multiple Airlines logo]()
$334
This CheapOair deal was found by Cheapflights users on 2/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/111:56 am
BOI
- STL
1 stop24h 13m
Frontier
Sat 3/78:12 pm
STL
- BOI
1 stop15h 08m
Frontier
Deal found 2/12![Frontier logo]()
$236
This American Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/41:30 pm
BOI
- SGF
1 stop8h 05m
American Airlines
Mon 3/94:33 pm
SGF
- BOI
1 stop6h 50m
American Airlines
Deal found 2/10![American Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/45:35 am
BOI
- SGF
2 stops10h 12m
Delta
Mon 3/93:56 pm
SGF
- BOI
1 stop7h 29m
Delta
Deal found 2/10![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1012:59 pm
BOI
- STL
2 stops9h 35m
United Airlines
Tue 3/176:25 am
STL
- BOI
1 stop6h 48m
United Airlines
Deal found 2/10![United Airlines logo]()
$282
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1011:30 pm
BOI
- STL
1 stop8h 35m
Delta
Tue 3/173:05 pm
STL
- BOI
1 stop7h 04m
Delta
Deal found 2/10![Delta logo]()
$287
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 3/105:30 am
BOI
- MCI
1 stop5h 07m
Delta
Mon 4/207:59 pm
MCI
- BOI
1 stop4h 58m
Delta
Deal found 2/11![Delta logo]()
$306
This Alaska Airlines deal was found by Cheapflights users on 2/13. 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 3/106:28 am
BOI
- MCI
1 stop6h 27m
Alaska Airlines
Mon 4/205:50 pm
MCI
- BOI
2 stops22h 39m
Alaska Airlines
Deal found 2/13![Alaska Airlines logo]()
$335
This United Airlines deal was found by Cheapflights users on 2/13. 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.
Wed 3/187:47 am
BOI
- STL
1 stop7h 36m
United Airlines
Tue 3/245:15 am
STL
- BOI
1 stop5h 51m
United Airlines
Deal found 2/13![United Airlines logo]()
$293
This Alaska Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/184:15 pm
BOI
- MCI
1 stop6h 44m
Alaska Airlines
Wed 4/15:50 pm
MCI
- BOI
2 stops22h 39m
Alaska Airlines
Deal found 2/10![Alaska Airlines logo]()
$315
This Delta deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 3/253:00 pm
BOI
- MCI
1 stop7h 03m
Delta
Sat 3/284:02 pm
MCI
- BOI
1 stop6h 07m
Delta
Deal found 2/11![Delta logo]()
$277
This CheapOair deal was found by Cheapflights users on 2/13. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/254:15 pm
BOI
- MCI
1 stop6h 44m
Alaska Airlines
Sat 3/283:52 pm
MCI
- BOI
1 stop9h 04m
Alaska Airlines
Deal found 2/13![Alaska Airlines logo]()
$296
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 February 14, 2026.
Search for one-way flight options from Boise to Missouri. Find affordable one-way fares based on user searches. Data last updated February 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/812:15 pm
BOI
- STL
1 stop20h 34m
Frontier
Deal found 2/10![Frontier logo]()
$112
This Trip.com deal was found by Cheapflights users on 2/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/311:53 am
BOI
- MCI
1 stop24h 37m
Frontier
Deal found 2/12![Frontier logo]()
$118
This Trip.com deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/711:53 am
BOI
- MCI
1 stop24h 37m
Frontier
Deal found 2/10![Frontier logo]()
$121
This CheapOair deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 3/1212:15 pm
BOI
- STL
1 stop20h 34m
Frontier
Deal found 2/11![Frontier logo]()
$131
This Delta deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:00 am
BOI
- STL
1 stop7h 43m
Delta
Deal found 2/10![Delta logo]()
$139
This Delta deal was found by Cheapflights users on 2/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:34 am
BOI
- MCI
1 stop5h 06m
Delta
Deal found 2/12![Delta logo]()
$139
This United Airlines deal was found by Cheapflights users on 2/13. 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.
Tue 3/105:00 am
BOI
- STL
2 stops8h 49m
United Airlines
Deal found 2/13![United Airlines logo]()
$144
This United Airlines deal was found by Cheapflights users on 2/12. 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.
Sat 5/912:30 pm
BOI
- MCI
2 stops10h 22m
United Airlines
Deal found 2/12![United Airlines logo]()
$144
This Priceline deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 3/1512:15 pm
BOI
- MCI
1 stop6h 40m
Frontier
Deal found 2/11![Frontier logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” 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 3/306:03 pm
BOI
- SGF
1 stop20h 28m
Allegiant Air
Deal found 2/11![Allegiant Air logo]()
$159
This United Airlines deal was found by Cheapflights users on 2/12. 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 3/315:00 am
BOI
- MCI
2 stops8h 23m
United Airlines
Deal found 2/12![United Airlines logo]()
$159
This Delta deal was found by Cheapflights users on 2/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:16 pm
BOI
- MCI
1 stop5h 22m
Delta
Deal found 2/12![Delta logo]()
$168
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 February 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $236 (CheapOair) |
One-way from | $112 (Kiwi.com) |
Popular in | November |
Cheapest in | April |
Average price | $469 |
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 February 14, 2026.
Use the filters below to find and compare flights from Boise to Missouri that are best for you.
Fly from
Boise
Fly to
Missouri
Route
Depart
Return
Price
BoiseKansas City
BOI - MCI
BOIMCI
Boise Air Term. Gowen Fld
Thu 4/16
3:44 pm-11:43 pm
1 stop6h 59m
Kansas City
Mon 4/20
7:45 am-4:14 pm
1 stop9h 29m
$263
BoiseKansas City
BOI - MCI
BOIMCI
Boise Air Term. Gowen Fld
Wed 3/18
2:22 pm-11:59 pm
1 stop8h 37m
Kansas City
Wed 4/1
6:15 am-12:19 pm
1 stop7h 04m
$277
BoiseKansas City
BOI - MCI
BOIMCI
Boise Air Term. Gowen Fld
Wed 3/25
3:00 pm-11:03 pm
1 stop7h 03m
Kansas City
Sat 3/28
4:02 pm-9:09 pm
1 stop6h 07m
$277
BoiseSt. Louis
BOI - STL
BOISTL
Boise Air Term. Gowen Fld
Sun 3/1
11:56 am-9:13 pm
2 stops32h 17m
Lambert-St Louis
Sat 3/7
8:12 pm-10:20 am
1 stop15h 08m
$279
BoiseSt. Louis
BOI - STL
BOISTL
Boise Air Term. Gowen Fld
Tue 3/10
12:59 pm-11:34 pm
2 stops9h 35m
Lambert-St Louis
Tue 3/17
6:25 am-12:13 pm
1 stop6h 48m
$282
BoiseSt. Louis
BOI - STL
BOISTL
Boise Air Term. Gowen Fld
Thu 4/2
10:35 am-12:21 am
2 stops12h 46m
Lambert-St Louis
Tue 4/7
3:05 pm-11:45 pm
2 stops9h 40m
$286
BoiseSt. Louis
BOI - STL
BOISTL
Boise Air Term. Gowen Fld
Tue 3/10
11:30 pm-9:05 am
1 stop8h 35m
Lambert-St Louis
Tue 3/17
3:05 pm-9:09 pm
1 stop7h 04m
$287
BoiseSt. Louis
BOI - STL
BOISTL
Boise Air Term. Gowen Fld
Wed 3/18
7:47 am-4:23 pm
1 stop7h 36m
Lambert-St Louis
Tue 3/24
5:15 am-10:06 am
1 stop5h 51m
$293
BoiseKansas City
BOI - MCI
BOIMCI
Boise Air Term. Gowen Fld
Tue 3/10
1:00 pm-1:55 pm
1 stop23h 55m
Kansas City
Mon 4/20
6:15 am-12:22 pm
1 stop7h 07m
$306
BoiseKansas City
BOI - MCI
BOIMCI
Boise Air Term. Gowen Fld
Sun 4/19
5:29 pm-11:32 pm
1 stop5h 03m
Kansas City
Tue 4/21
5:18 pm-10:35 pm
1 stop6h 17m
$306
Showing 1-10 of 47 results
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, April is the cheapest month in which you can book a flight from Boise to Missouri (average of $113). Flying from Boise to Missouri in December is currently the most expensive (average of $301). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing 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 February 14, 2026.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta 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.
Overall
8.0
Crew
8.5
Comfort
7.8
Food
7.1
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
8.0
Crew
8.5
Comfort
7.8
Food
7.1
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
8.0
Crew
8.5
Comfort
7.8
Food
7.1
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
8.0
Crew
8.5
Comfort
7.8
Food
7.1
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
8.0
Crew
8.5
Comfort
7.8
Food
7.1
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Overall
8.0
Crew
8.5
Comfort
7.8
Food
7.1
Boarding
8.1
Entertainment
7.0
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Related info for your journey
Find useful and relevant information for your journey from Boise to Missouri. 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 Boise to Missouri
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Complete your trip
Complete your trip to Missouri by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Boise to Missouri, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Boise and Missouri flights
Browse other Boise and Missouri flight options. Last updated on February 14, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 February 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$133 | Average$443 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$143 | Average$314 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$196 | Average$410 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$226 | Average$385 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$286 | Average$414 | FlexibilityNo cancel fee | On-time69% |