$200+ Cheap flights from Missoula (MSO) to Missouri
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/19. Fares are subject to change and may not be available on all flights or dates of travel.
MSO — STL
Dec 15 — Dec 221
Round-trip
1 adult, Economy
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Find cheap flights from Missoula 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 Missoula to MissouriExplore the most affordable flight options available from Missoula to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 15, 2026.
Explore the most affordable flight options available from Missoula to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 15, 2026.
This Delta deal was found by Cheapflights users on 11/13. 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.
Sat 12/196:24 pm -
1 stop5h 22m
Sat 1/27:46 pm -
1 stop6h 00m
Deal found 11/13![Delta logo]()
$399
This Delta deal was found by Cheapflights users on 11/10. 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 12/25:25 am -
1 stop7h 02m
Mon 12/76:02 pm -
1 stop7h 30m
Deal found 11/10![Delta logo]()
$411
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Mon 12/72:41 pm -
1 stop4h 52m
Wed 12/98:47 am -
1 stop5h 45m
Deal found 11/12![United Airlines logo]()
$421
This Alaska Airlines deal was found by Cheapflights users on 11/10. 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.
Mon 12/147:01 am -
1 stop7h 22m
Wed 12/166:30 am -
1 stop6h 53m
Deal found 11/10![Alaska Airlines logo]()
$475
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Sat 12/126:15 am -
1 stop5h 38m
Wed 12/168:40 am -
1 stop5h 52m
Deal found 11/10![United Airlines logo]()
$499
This Alaska Airlines deal was found by Cheapflights users on 11/13. 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.
Sun 11/154:21 pm -
1 stop6h 38m
Fri 11/206:00 am -
1 stop10h 02m
Deal found 11/13![Alaska Airlines logo]()
$569
This Alaska Airlines deal was found by Cheapflights users on 11/13. 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.
Sun 11/154:21 pm -
1 stop6h 38m
Tue 11/246:00 am -
1 stop10h 02m
Deal found 11/13![Alaska Airlines logo]()
$580
This Delta deal was found by Cheapflights users on 11/13. 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.
Mon 11/166:18 pm -
1 stop5h 22m
Sat 11/213:30 pm -
1 stop5h 27m
Deal found 11/13![Delta logo]()
$619
This Delta deal was found by Cheapflights users on 11/13. 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 11/155:30 am -
2 stops10h 01m
Fri 11/2012:28 pm -
1 stop8h 29m
Deal found 11/13![Delta logo]()
$624
This Delta deal was found by Cheapflights users on 11/13. 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 11/155:30 am -
2 stops10h 01m
Tue 11/242:21 pm -
2 stops10h 59m
Deal found 11/13![Delta logo]()
$629
This Delta deal was found by Cheapflights users on 11/13. 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.
Wed 11/181:19 pm -
2 stops9h 37m
Mon 11/2310:20 am -
2 stops10h 37m
Deal found 11/13![Delta logo]()
$671
This United Airlines deal was found by Cheapflights users on 11/13. 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 11/196:15 am -
1 stop5h 23m
Fri 11/201:08 pm -
2 stops9h 39m
Deal found 11/13![United Airlines logo]()
$684
Best flights from Missoula to MissouriDiscover carefully curated flight deals from Missoula to Missouri that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 15, 2026.
Discover carefully curated flight deals from Missoula to Missouri that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 15, 2026.
This Delta deal was found by Cheapflights users on 11/11. 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 5/115:45 am -
1 stop5h 05m
Tue 5/186:59 pm -
1 stop6h 32m
Deal found 11/11![Delta logo]()
$389
This United Airlines deal was found by Cheapflights users on 11/13. 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 12/82:41 pm -
1 stop4h 52m
Thu 12/105:19 pm -
1 stop5h 28m
Deal found 11/13![United Airlines logo]()
$421
This Alaska Airlines deal was found by Cheapflights users on 11/14. 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 1/124:12 pm -
1 stop20h 39m
Fri 1/152:47 pm -
1 stop7h 35m
Deal found 11/14![Alaska Airlines logo]()
$471
This Delta deal was found by Cheapflights users on 11/11. 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 4/912:50 pm -
2 stops9h 28m
Tue 4/137:30 am -
1 stop6h 06m
Deal found 11/11![Delta logo]()
$394
This Kiwi.com deal was found by Cheapflights users on 11/14. 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 11/297:34 pm -
1 stop22h 35m
Thu 12/311:33 am -
1 stop8h 05m
Deal found 11/14![Allegiant Air logo]()
$837
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Mon 12/72:41 pm -
1 stop4h 52m
Wed 12/98:47 am -
1 stop5h 45m
Deal found 11/12![United Airlines logo]()
$421
This Delta deal was found by Cheapflights users on 11/10. 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 12/25:25 am -
1 stop7h 02m
Mon 12/76:02 pm -
1 stop7h 30m
Deal found 11/10![Delta logo]()
$411
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Sat 12/126:15 am -
1 stop5h 38m
Wed 12/168:30 am -
2 stops14h 17m
Deal found 11/10![United Airlines logo]()
$504
This United Airlines deal was found by Cheapflights users on 11/11. 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.
Sat 2/66:10 am -
1 stop6h 53m
Tue 2/98:05 am -
2 stops11h 32m
Deal found 11/11![United Airlines logo]()
$504
This United Airlines deal was found by Cheapflights users on 11/14. 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.
Sun 11/295:24 pm -
1 stop5h 03m
Thu 12/37:30 am -
2 stops12h 05m
Deal found 11/14![United Airlines logo]()
$1,005
Last-minute flights from Missoula to MissouriDiscover last-minute flight deals from Missoula to Missouri. Data last updated November 15, 2026 and is based on user searches.
Discover last-minute flight deals from Missoula to Missouri. Data last updated November 15, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 11/13. 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.
Sun 11/154:21 pm -
1 stop6h 38m
Sun 11/226:00 am -
1 stop7h 24m
Deal found 11/13![Alaska Airlines logo]()
$569
This Alaska Airlines deal was found by Cheapflights users on 11/13. 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.
Sun 11/154:21 pm -
1 stop6h 38m
Tue 11/246:00 am -
1 stop10h 02m
Deal found 11/13![Alaska Airlines logo]()
$580
This Delta deal was found by Cheapflights users on 11/13. 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 11/155:30 am -
2 stops10h 01m
Fri 11/2012:28 pm -
1 stop8h 29m
Deal found 11/13![Delta logo]()
$624
This Delta deal was found by Cheapflights users on 11/13. 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 11/155:30 am -
2 stops10h 01m
Tue 11/242:21 pm -
2 stops10h 59m
Deal found 11/13![Delta logo]()
$629
This Delta deal was found by Cheapflights users on 11/13. 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.
Mon 11/166:18 pm -
1 stop5h 22m
Tue 11/2412:28 pm -
1 stop8h 29m
Deal found 11/13![Delta logo]()
$619
This Delta deal was found by Cheapflights users on 11/13. 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.
Wed 11/181:19 pm -
2 stops9h 37m
Mon 11/2310:20 am -
2 stops10h 37m
Deal found 11/13![Delta logo]()
$671
This United Airlines deal was found by Cheapflights users on 11/13. 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 11/196:15 am -
1 stop5h 23m
Fri 11/201:08 pm -
2 stops9h 39m
Deal found 11/13![United Airlines logo]()
$684
This Delta deal was found by Cheapflights users on 11/10. 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 12/25:25 am -
1 stop7h 02m
Mon 12/76:02 pm -
1 stop7h 30m
Deal found 11/10![Delta logo]()
$411
This United Airlines deal was found by Cheapflights users on 11/12. 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.
Mon 12/72:41 pm -
1 stop4h 52m
Wed 12/98:47 am -
1 stop5h 45m
Deal found 11/12![United Airlines logo]()
$421
This United Airlines deal was found by Cheapflights users on 11/10. 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.
Sat 12/126:15 am -
1 stop5h 38m
Wed 12/168:40 am -
1 stop5h 52m
Deal found 11/10![United Airlines logo]()
$499
This Alaska Airlines deal was found by Cheapflights users on 11/10. 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.
Mon 12/147:01 am -
1 stop7h 22m
Wed 12/166:30 am -
1 stop6h 53m
Deal found 11/10![Alaska Airlines logo]()
$475
This Delta deal was found by Cheapflights users on 11/13. 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.
Sat 12/196:24 pm -
1 stop5h 22m
Sat 1/27:46 pm -
1 stop6h 00m
Deal found 11/13![Delta logo]()
$399
One-way flights from Missoula to MissouriSearch for one-way flight options from Missoula to Missouri. Find affordable one-way fares based on user searches. Data last updated November 15, 2026.
Search for one-way flight options from Missoula to Missouri. Find affordable one-way fares based on user searches. Data last updated November 15, 2026.
This Alaska Airlines deal was found by Cheapflights users on 11/11. 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.
Thu 12/244:07 pm -
1 stop6h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/11![Alaska Airlines logo]()
$200
This Delta deal was found by Cheapflights users on 11/12. 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.
Sat 11/285:30 am -
1 stop7h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/12![Delta logo]()
$310
This United Airlines deal was found by Cheapflights users on 11/11. 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.
Thu 12/242:39 pm -
1 stop5h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/11![United Airlines logo]()
$311
This United Airlines deal was found by Cheapflights users on 11/11. 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.
Sat 11/212:37 pm -
1 stop5h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/11![United Airlines logo]()
$325
This United Airlines deal was found by Cheapflights users on 11/12. 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 11/286:15 am -
1 stop5h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/12![United Airlines logo]()
$326
This United Airlines deal was found by Cheapflights users on 11/12. 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 3/132:27 pm -
2 stops7h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/12![United Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 11/12. 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.
Sat 3/131:18 pm -
1 stop6h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/12![American Airlines logo]()
$335
This Kiwi.com deal was found by Cheapflights users on 11/14. 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.
Sat 12/197:13 pm -
3 stops52h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/14![Multiple Airlines logo]()
$345
This American Airlines deal was found by Cheapflights users on 11/11. 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.
Sat 11/216:50 am -
2 stops11h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/11![American Airlines logo]()
$407
This Kiwi.com deal was found by Cheapflights users on 11/12. 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.
Sat 11/289:55 pm -
2 stops35h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/12![Multiple Airlines logo]()
$420
This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Sat 11/2112:05 pm -
3 stops47h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/11![Multiple Airlines logo]()
$492
This Kiwi.com deal was found by Cheapflights users on 11/11. 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.
Sun 11/297:34 pm -
1 stop22h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/11![Allegiant Air logo]()
$512
Find flight deals from Missoula to Missouri
Keep the following information in mind while searching for Missoula to Missouri flight deals. Data was last updated November 15, 2026.
Round-trip from | $389 (Delta) |
|---|---|
One-way from | $200 (Alaska Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from Missoula 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 7,457,451 searches. Data last updated November 15, 2026.
Use the filters below to find and compare flights from Missoula to Missouri that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
MissoulaSt. Louis
MSO Missoula Johnson-Bell Field - STL Lambert-St Louis
MSOSTL
Missoula Johnson-Bell Field
Sat 12/19
6:24 pm-12:46 am
1 stop5h 22m
Lambert-St Louis
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$200
MissoulaSt. Louis
MSO Missoula Johnson-Bell Field - STL Lambert-St Louis
MSOSTL
Missoula Johnson-Bell Field
Thu 12/24
4:07 pm-11:59 pm
1 stop6h 52m
Lambert-St Louis
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$200
MissoulaSt. Louis
MSO Missoula Johnson-Bell Field - STL Lambert-St Louis
MSOSTL
Missoula Johnson-Bell Field
Thu 12/24
2:39 pm-9:08 pm
1 stop5h 29m
Lambert-St Louis
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$311
MissoulaSpringfield
MSO Missoula Johnson-Bell Field - SGF Springfield-Branson
MSOSGF
Missoula Johnson-Bell Field
Sat 11/21
2:37 pm-9:01 pm
1 stop5h 24m
Springfield-Branson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$325
Quickest round-trip
MissoulaKansas City
MSO Missoula Johnson-Bell Field - MCI Kansas City
MSOMCI
Missoula Johnson-Bell Field
Sat 11/28
6:15 am-12:28 pm
1 stop5h 13m
Kansas City
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$326
MissoulaSt. Louis
MSO Missoula Johnson-Bell Field - STL Lambert-St Louis
MSOSTL
Missoula Johnson-Bell Field
Sat 3/13
2:27 pm-11:19 pm
2 stops7h 52m
Lambert-St Louis
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$329
MissoulaSt. Louis
MSO Missoula Johnson-Bell Field - STL Lambert-St Louis
MSOSTL
Missoula Johnson-Bell Field
Sat 12/19
7:13 pm-3:26 pm
2 stops43h 13m
Lambert-St Louis
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$356
MissoulaSt. Louis
MSO Missoula Johnson-Bell Field - STL Lambert-St Louis
MSOSTL
Missoula Johnson-Bell Field
Tue 5/11
5:45 am-11:50 am
1 stop5h 05m
Lambert-St Louis
Tue 5/18
6:59 pm-12:31 am
1 stop6h 32m
$389
MissoulaSt. Louis
MSO Missoula Johnson-Bell Field - STL Lambert-St Louis
MSOSTL
Missoula Johnson-Bell Field
Fri 4/9
12:50 pm-11:18 pm
2 stops9h 28m
Lambert-St Louis
Tue 4/13
7:30 am-12:36 pm
1 stop6h 06m
$394
MissoulaSpringfield
MSO Missoula Johnson-Bell Field - SGF Springfield-Branson
MSOSGF
Missoula Johnson-Bell Field
Sat 11/21
6:50 am-7:28 pm
2 stops11h 38m
Springfield-Branson
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$407
Showing 1-10 of 23 resultsSorted by cheapest first
Best time to book a flight from Missoula to Missouri
Have a flexible travel schedule? Discover the best time to fly to Missouri from Missoula with our price prediction graph.
MSO-STL
MSO-SGF
MSO-MCI
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 Missoula to Missouri
MSO-USMO
MSO-STL
MSO-SGF
MSO-MCI
What is the cheapest month to book a flight from Missoula to Missouri?
Currently, January is the cheapest month in which you can book a flight from Missoula to Missouri (average of $370). Flying from Missoula to Missouri in December is currently the most expensive (average of $690). 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 November 15, 2026.
Get a feel of what it's like to fly with Delta and United Airlines from Missoula to Missouri by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.8
Crew
8.5
Food
7.2
Overall
7.8
Comfort
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Boarding
8.1
Entertainment
7.8
Crew
8.5
Food
7.2
Overall
7.8
Comfort
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Boarding
8.1
Entertainment
7.8
Crew
8.5
Food
7.2
Overall
7.8
Comfort
7.8
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Related info for your journey
Find useful and relevant information for your journey from Missoula 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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Missoula and Missouri flights
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Top 2 airlines flying from Missoula to Missouri
Discover the top 2 airlines that operate flights from Missoula 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 7,457,451 searches. Data last updated November 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$164 | Average$449 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$288 | Average$528 | FlexibilityNo cancel fee | On-time69% |