$92+ 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 5/26. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — STL
May 2 — May 91
Round-trip
1 adult, Economy
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Find cheap flights from Boise to Missouri with Cheapflights
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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 April 2, 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 April 2, 2026.
This CheapOair deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 5/71:22 pm
BOI
- MCI
1 stop23h 27m
Frontier
Mon 5/112:34 pm
MCI
- BOI
1 stop22h 53m
Frontier
Deal found 3/31![Frontier logo]()
$232
This Alaska Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 5/54:38 pm
BOI
- MCI
1 stop6h 21m
Alaska Airlines
Wed 5/67:00 am
MCI
- BOI
1 stop6h 35m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$307
This Southwest deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:40 am
BOI
- MCI
1 stop5h 40m
Southwest
Tue 5/53:40 pm
MCI
- BOI
2 stops8h 40m
Southwest
Deal found 3/31![Southwest logo]()
$312
This CheapOair deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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.
Tue 4/212:22 pm
BOI
- STL
1 stop8h 37m
Alaska Airlines
Wed 4/224:46 pm
STL
- BOI
1 stop8h 13m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$317
This Southwest deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/274:20 pm
BOI
- MCI
1 stop6h 15m
Southwest
Tue 4/287:00 am
MCI
- BOI
1 stop7h 20m
Southwest
Deal found 4/1![Southwest logo]()
$319
This Southwest deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/214:05 pm
BOI
- STL
1 stop6h 10m
Southwest
Wed 4/225:30 am
STL
- BOI
2 stops8h 00m
Southwest
Deal found 3/30![Southwest logo]()
$322
This Southwest deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/274:20 pm
BOI
- MCI
1 stop6h 15m
Southwest
Wed 4/297:05 am
MCI
- BOI
2 stops8h 35m
Southwest
Deal found 3/31![Southwest logo]()
$324
This Southwest deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 5/911:00 am
BOI
- STL
2 stops8h 25m
Southwest
Tue 5/125:40 pm
STL
- BOI
2 stops7h 45m
Southwest
Deal found 3/29![Southwest logo]()
$327
This Alaska Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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 5/75:50 am
BOI
- MCI
1 stop9h 27m
Alaska Airlines
Mon 5/115:11 pm
MCI
- BOI
1 stop7h 48m
Alaska Airlines
Deal found 4/1![Alaska Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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 4/303:13 pm
BOI
- STL
2 stops19h 09m
Multiple Airlines
Mon 5/48:17 pm
STL
- BOI
1 stop17h 10m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$346
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/211:29 pm
BOI
- SGF
1 stop6h 36m
American Airlines
Tue 4/285:19 am
SGF
- BOI
1 stop8h 30m
American Airlines
Deal found 3/31![American Airlines logo]()
$349
This Alaska Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 5/22:57 pm
BOI
- STL
1 stop8h 02m
Alaska Airlines
Tue 5/54:46 pm
STL
- BOI
1 stop8h 13m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$361
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 April 2, 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 April 2, 2026.
This Alaska Airlines deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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 5/52:57 pm
BOI
- MCI
1 stop8h 02m
Alaska Airlines
Wed 5/67:00 am
MCI
- BOI
1 stop9h 33m
Alaska Airlines
Deal found 3/28![Alaska Airlines logo]()
$307
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 5/116:41 pm
BOI
- STL
1 stop4h 49m
Delta
Tue 5/125:36 pm
STL
- BOI
1 stop7h 10m
Delta
Deal found 3/30![Delta logo]()
$361
This United Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:00 am
BOI
- MCI
1 stop4h 33m
United Airlines
Wed 5/61:50 pm
MCI
- BOI
2 stops9h 26m
United Airlines
Deal found 4/1![United Airlines logo]()
$402
This Southwest deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” 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 6/114:25 pm
BOI
- MCI
2 stops7h 05m
Southwest
Sun 6/145:40 am
MCI
- BOI
2 stops7h 50m
Southwest
Deal found 4/2![Southwest logo]()
$474
This American Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 4/261:29 pm
BOI
- COU
1 stop7h 01m
American Airlines
Sun 5/36:00 am
COU
- BOI
1 stop7h 49m
American Airlines
Deal found 3/29![American Airlines logo]()
$549
This Alaska Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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 5/54:38 pm
BOI
- STL
1 stop6h 21m
Alaska Airlines
Wed 5/64:46 pm
STL
- BOI
1 stop7h 16m
Alaska Airlines
Deal found 4/1![Alaska Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” 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 4/242:18 pm
BOI
- STL
1 stop8h 18m
Delta
Tue 5/192:27 pm
STL
- BOI
1 stop8h 17m
Delta
Deal found 4/2![Delta logo]()
$394
This Alaska Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 5/24:38 pm
BOI
- STL
1 stop6h 21m
Alaska Airlines
Tue 5/54:46 pm
STL
- BOI
1 stop8h 13m
Alaska Airlines
Deal found 3/29![Alaska Airlines logo]()
$361
This United Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 5/28:21 am
BOI
- STL
1 stop7h 18m
United Airlines
Tue 5/59:21 am
STL
- BOI
2 stops12h 56m
United Airlines
Deal found 3/30![United Airlines logo]()
$412
This Delta deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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 5/159:16 pm
BOI
- STL
2 stops12h 16m
Delta
Tue 5/192:27 pm
STL
- BOI
2 stops10h 28m
Delta
Deal found 4/1![Delta logo]()
$405
This Alaska Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 5/57:20 pm
BOI
- SGF
2 stops13h 04m
Alaska Airlines
Sat 5/96:00 am
SGF
- BOI
1 stop8h 03m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$406
This United Airlines deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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 5/235:46 pm
BOI
- MCI
1 stop4h 39m
United Airlines
Sat 5/306:00 am
MCI
- BOI
1 stop4h 45m
United Airlines
Deal found 3/28![United Airlines logo]()
$475
This Alaska Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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 5/122:57 pm
BOI
- MCI
1 stop8h 02m
Alaska Airlines
Tue 5/192:33 pm
MCI
- BOI
1 stop9h 05m
Alaska Airlines
Deal found 4/1![Alaska Airlines logo]()
$412
This American Airlines deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” 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 5/51:53 pm
BOI
- SGF
1 stop5h 53m
American Airlines
Sat 5/95:47 pm
SGF
- BOI
1 stop6h 07m
American Airlines
Deal found 4/2![American Airlines logo]()
$574
This Alaska Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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 5/72:57 pm
BOI
- MCI
1 stop8h 02m
Alaska Airlines
Tue 5/192:33 pm
MCI
- BOI
1 stop9h 05m
Alaska Airlines
Deal found 4/1![Alaska Airlines logo]()
$424
This American Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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 4/161:29 pm
BOI
- COU
1 stop7h 01m
American Airlines
Mon 4/205:21 pm
COU
- BOI
1 stop6h 33m
American Airlines
Deal found 4/1![American Airlines logo]()
$587
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/261:29 pm
BOI
- COU
1 stop7h 01m
American Airlines
Tue 5/1910:16 am
COU
- BOI
2 stops13h 22m
American Airlines
Deal found 3/31![American Airlines logo]()
$656
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2212:04 pm
BOI
- COU
1 stop8h 57m
United Airlines
Sat 5/165:00 am
COU
- BOI
2 stops17h 17m
United Airlines
Deal found 3/31![United Airlines logo]()
$660
This Alaska Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 8/112:14 pm
BOI
- SGF
1 stop8h 40m
Alaska Airlines
Sat 8/86:00 am
SGF
- BOI
1 stop6h 26m
Alaska Airlines
Deal found 3/31![Alaska Airlines logo]()
$519
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2212:04 pm
BOI
- COU
1 stop8h 57m
United Airlines
Tue 5/199:00 am
COU
- BOI
1 stop13h 17m
United Airlines
Deal found 3/31![United Airlines logo]()
$663
This Alaska Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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 6/1012:12 pm
BOI
- SGF
1 stop8h 32m
Alaska Airlines
Sat 7/2512:47 pm
SGF
- BOI
2 stops12h 01m
Alaska Airlines
Deal found 4/1![Alaska Airlines logo]()
$543
This United Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 4/132:37 pm
BOI
- COU
1 stop5h 26m
United Airlines
Fri 4/179:02 am
COU
- BOI
2 stops14h 01m
United Airlines
Deal found 3/29![United Airlines logo]()
$702
This Alaska Airlines deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 5/81:41 pm
BOI
- SGF
1 stop6h 05m
Alaska Airlines
Sun 5/1012:00 pm
SGF
- BOI
2 stops12h 02m
Alaska Airlines
Deal found 3/29![Alaska Airlines logo]()
$557
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/227:11 am
BOI
- COU
2 stops12h 52m
United Airlines
Wed 5/209:00 am
COU
- BOI
1 stop13h 17m
United Airlines
Deal found 3/31![United Airlines logo]()
$754
This United Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/162:37 pm
BOI
- COU
2 stops8h 56m
United Airlines
Mon 4/203:23 pm
COU
- BOI
2 stops8h 12m
United Airlines
Deal found 4/1![United Airlines logo]()
$782
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/237:11 am
BOI
- COU
2 stops12h 52m
United Airlines
Tue 5/199:00 am
COU
- BOI
2 stops14h 16m
United Airlines
Deal found 3/31![United Airlines logo]()
$783
Last-minute flights from Boise to MissouriDiscover last-minute flight deals from Boise to Missouri. Data last updated April 2, 2026 and is based on user searches.
Discover last-minute flight deals from Boise to Missouri. Data last updated April 2, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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.
Tue 4/212:22 pm
BOI
- STL
1 stop8h 37m
Alaska Airlines
Wed 4/224:46 pm
STL
- BOI
1 stop8h 13m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$317
This Southwest deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/214:05 pm
BOI
- STL
1 stop6h 10m
Southwest
Wed 4/225:30 am
STL
- BOI
2 stops8h 00m
Southwest
Deal found 3/30![Southwest logo]()
$322
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/211:29 pm
BOI
- SGF
1 stop6h 36m
American Airlines
Tue 4/285:19 am
SGF
- BOI
1 stop8h 30m
American Airlines
Deal found 3/31![American Airlines logo]()
$349
This Southwest deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/274:20 pm
BOI
- MCI
1 stop6h 15m
Southwest
Tue 4/287:00 am
MCI
- BOI
1 stop7h 20m
Southwest
Deal found 4/1![Southwest logo]()
$319
This Southwest deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/274:20 pm
BOI
- MCI
1 stop6h 15m
Southwest
Wed 4/297:05 am
MCI
- BOI
2 stops8h 35m
Southwest
Deal found 3/31![Southwest logo]()
$324
This Southwest deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:40 am
BOI
- MCI
1 stop5h 40m
Southwest
Tue 5/53:40 pm
MCI
- BOI
2 stops8h 40m
Southwest
Deal found 3/31![Southwest logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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 4/303:13 pm
BOI
- STL
2 stops19h 09m
Multiple Airlines
Mon 5/48:17 pm
STL
- BOI
1 stop17h 10m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$346
This Alaska Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 5/22:57 pm
BOI
- STL
1 stop8h 02m
Alaska Airlines
Tue 5/54:46 pm
STL
- BOI
1 stop8h 13m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$361
This Alaska Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” 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 5/54:38 pm
BOI
- MCI
1 stop6h 21m
Alaska Airlines
Wed 5/67:00 am
MCI
- BOI
1 stop6h 35m
Alaska Airlines
Deal found 3/30![Alaska Airlines logo]()
$307
This CheapOair deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 5/71:22 pm
BOI
- MCI
1 stop23h 27m
Frontier
Mon 5/112:34 pm
MCI
- BOI
1 stop22h 53m
Frontier
Deal found 3/31![Frontier logo]()
$232
This Alaska Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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 5/75:50 am
BOI
- MCI
1 stop9h 27m
Alaska Airlines
Mon 5/115:11 pm
MCI
- BOI
1 stop7h 48m
Alaska Airlines
Deal found 4/1![Alaska Airlines logo]()
$331
This Southwest deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” 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 5/911:00 am
BOI
- STL
2 stops8h 25m
Southwest
Tue 5/125:40 pm
STL
- BOI
2 stops7h 45m
Southwest
Deal found 3/29![Southwest logo]()
$327
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 April 2, 2026.
Search for one-way flight options from Boise to Missouri. Find affordable one-way fares based on user searches. Data last updated April 2, 2026.
This CheapOair deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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.
Tue 5/261:25 pm
BOI
- MCI
1 stop23h 24m
Frontier
Deal found 3/31![Frontier logo]()
$92
This Priceline deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/1911:53 am
BOI
- STL
1 stop6h 28m
Frontier
Deal found 3/31![Frontier logo]()
$126
This Delta deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/283:23 pm
BOI
- MCI
1 stop6h 38m
Delta
Deal found 4/1![Delta logo]()
$154
This CheapOair deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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.
Tue 6/231:04 pm
BOI
- MCI
1 stop22h 56m
Frontier
Deal found 3/31![Frontier logo]()
$157
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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 4/221:29 pm
BOI
- STL
1 stop7h 48m
American Airlines
Deal found 3/31![American Airlines logo]()
$159
This United Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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 4/286:15 am
BOI
- MCI
2 stops9h 01m
United Airlines
Deal found 4/1![United Airlines logo]()
$159
This Delta deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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 4/3011:35 pm
BOI
- STL
1 stop7h 55m
Delta
Deal found 4/1![Delta logo]()
$203
This Kiwi.com deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” 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 5/33:13 pm
BOI
- STL
3 stops49h 53m
Multiple Airlines
Deal found 3/28![Multiple Airlines logo]()
$206
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:58 pm
BOI
- STL
2 stops12h 27m
United Airlines
Deal found 3/31![United Airlines logo]()
$209
This United Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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 6/205:46 pm
BOI
- MCI
1 stop4h 39m
United Airlines
Deal found 4/1![United Airlines logo]()
$220
This Kiwi.com deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” 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 4/303:13 pm
BOI
- STL
3 stops27h 08m
Multiple Airlines
Deal found 4/1![Multiple Airlines logo]()
$221
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” 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
- MCI
1 stop9h 30m
American Airlines
Deal found 3/31![American Airlines logo]()
$224
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 April 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $232 (CheapOair) |
One-way from | $92 (CheapOair) |
Popular in | November |
Cheapest in | September |
Average price | $342 |
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 April 2, 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
BoiseKansas City
BOI - MCI
BOIMCI
Boise Air Term. Gowen Fld
Tue 5/5
2:57 pm-11:59 pm
1 stop8h 02m
Kansas City
Wed 5/6
7:00 am-3:33 pm
1 stop9h 33m
$307
BoiseSt. Louis
BOI - STL
BOISTL
Boise Air Term. Gowen Fld
Tue 5/5
4:38 pm-11:59 pm
1 stop6h 21m
Lambert-St Louis
Wed 5/6
4:46 pm-11:02 pm
1 stop7h 16m
$317
BoiseSt. Louis
BOI - STL
BOISTL
Boise Air Term. Gowen Fld
Mon 5/11
6:41 pm-12:30 am
1 stop4h 49m
Lambert-St Louis
Tue 5/12
5:36 pm-11:46 pm
1 stop7h 10m
$361
BoiseSt. Louis
BOI - STL
BOISTL
Boise Air Term. Gowen Fld
Sat 5/2
4:38 pm-11:59 pm
1 stop6h 21m
Lambert-St Louis
Tue 5/5
4:46 pm-11:59 pm
1 stop8h 13m
$361
BoiseSt. Louis
BOI - STL
BOISTL
Boise Air Term. Gowen Fld
Fri 4/24
2:18 pm-11:36 pm
1 stop8h 18m
Lambert-St Louis
Tue 5/19
2:27 pm-9:44 pm
1 stop8h 17m
$394
BoiseKansas City
BOI - MCI
BOIMCI
Boise Air Term. Gowen Fld
Tue 5/5
5:00 am-10:33 am
1 stop4h 33m
Kansas City
Wed 5/6
1:50 pm-10:16 pm
2 stops9h 26m
$402
BoiseSt. Louis
BOI - STL
BOISTL
Boise Air Term. Gowen Fld
Fri 5/15
9:16 pm-10:32 am
2 stops12h 16m
Lambert-St Louis
Tue 5/19
2:27 pm-11:55 pm
2 stops10h 28m
$405
BoiseSpringfield
BOI - SGF
BOISGF
Boise Air Term. Gowen Fld
Tue 5/5
7:20 pm-9:24 am
2 stops13h 04m
Springfield-Branson
Sat 5/9
6:00 am-1:03 pm
1 stop8h 03m
$406
BoiseSt. Louis
BOI - STL
BOISTL
Boise Air Term. Gowen Fld
Sat 5/2
8:21 am-4:39 pm
1 stop7h 18m
Lambert-St Louis
Tue 5/5
9:21 am-9:17 pm
2 stops12h 56m
$412
BoiseKansas City
BOI - MCI
BOIMCI
Boise Air Term. Gowen Fld
Tue 5/12
2:57 pm-11:59 pm
1 stop8h 02m
Kansas City
Tue 5/19
2:33 pm-10:38 pm
1 stop9h 05m
$412
Showing 1-10 of 46 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-MCI
BOI-STL
BOI-COU
BOI-SGF
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-MCI
BOI-STL
BOI-COU
BOI-SGF
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.
How much does it cost to fly round-trip from Boise to Missouri?
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 April 2, 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.
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Comfort
8.0
Food
7.0
Overall
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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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Complete your trip
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Boise and Missouri flights
Browse other Boise and Missouri flight options. Last updated on April 2, 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 April 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$159 | Average$359 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$237 | Average$438 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$262 | Average$394 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$278 | Average$390 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$283 | Average$417 | FlexibilityNo cancel fee | On-time69% |