$185+ Cheap flights from St. Louis (STL) to Montana
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 12/30. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BZN
Dec 7 — Dec 141
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Montana 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 St. Louis to MontanaExplore the most affordable flight options available from St. Louis to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 7, 2026.
Explore the most affordable flight options available from St. Louis to Montana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 7, 2026.
This United Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/58:40 am -
1 stop5h 44m
Sat 12/127:00 am -
1 stop4h 53m
Deal found 11/4![United Airlines logo]()
$349
This United Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:30 am -
2 stops7h 54m
Mon 12/72:33 pm -
1 stop5h 24m
Deal found 11/4![United Airlines logo]()
$354
This American Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/52:54 pm -
1 stop6h 55m
Sat 12/127:00 am -
2 stops11h 57m
Deal found 11/5![American Airlines logo]()
$364
This Delta deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:00 am -
2 stops12h 41m
Sat 12/126:21 pm -
2 stops13h 40m
Deal found 11/5![Delta logo]()
$369
This United Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/146:30 am -
1 stop6h 03m
Sat 12/194:20 pm -
1 stop6h 18m
Deal found 11/4![United Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/95:25 am -
1 stop7h 08m
Sat 12/126:30 am -
2 stops9h 35m
Deal found 11/2![United Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/175:45 pm -
1 stop28h 44m
Mon 12/2110:09 pm -
1 stop17h 33m
Deal found 11/3![Multiple Airlines logo]()
$377
This American Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/155:50 am -
1 stop8h 12m
Wed 12/233:06 pm -
1 stop8h 10m
Deal found 11/7![American Airlines logo]()
$393
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/189:45 am -
1 stop5h 55m
Sun 11/223:35 pm -
1 stop6h 47m
Deal found 11/3![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/194:39 pm -
1 stop5h 35m
Mon 11/232:42 pm -
1 stop5h 17m
Deal found 11/4![United Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:30 am -
2 stops9h 53m
Wed 12/97:00 am -
1 stop4h 53m
Deal found 11/4![United Airlines logo]()
$400
This American Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/178:22 pm -
1 stop17h 28m
Mon 12/213:06 pm -
1 stop8h 10m
Deal found 11/3![American Airlines logo]()
$407
Best flights from St. Louis to MontanaDiscover carefully curated flight deals from St. Louis to Montana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 7, 2026.
Discover carefully curated flight deals from St. Louis to Montana that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 7, 2026.
This United Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/58:40 am -
1 stop5h 44m
Sat 12/127:00 am -
1 stop4h 53m
Deal found 11/4![United Airlines logo]()
$349
This American Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/52:54 pm -
1 stop6h 55m
Sat 12/127:00 am -
2 stops11h 57m
Deal found 11/5![American Airlines logo]()
$364
This Delta deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:00 am -
2 stops12h 41m
Sat 12/126:21 pm -
2 stops13h 40m
Deal found 11/5![Delta logo]()
$369
This Alaska Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/66:04 am -
1 stop9h 09m
Sun 12/131:50 pm -
1 stop9h 09m
Deal found 11/5![Alaska Airlines logo]()
$445
This Southwest deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/172:45 pm -
2 stops9h 05m
Mon 12/2111:05 am -
2 stops9h 10m
Deal found 11/3![Southwest logo]()
$455
This United Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:30 am -
2 stops7h 54m
Mon 12/72:33 pm -
1 stop5h 24m
Deal found 11/4![United Airlines logo]()
$354
This Delta deal was found by Cheapflights users on 11/2. 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.
Sat 2/134:30 pm -
1 stop5h 08m
Thu 2/186:00 am -
1 stop7h 33m
Deal found 11/2![Delta logo]()
$369
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/98:40 am -
1 stop5h 47m
Sat 12/127:20 am -
1 stop6h 21m
Deal found 11/2![United Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/187:00 am -
1 stop6h 39m
Sun 2/211:20 pm -
1 stop7h 09m
Deal found 11/3![Delta logo]()
$379
This United Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/28:52 am -
1 stop5h 33m
Thu 2/46:30 am -
2 stops9h 43m
Deal found 11/5![United Airlines logo]()
$374
This American Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:00 am -
1 stop7h 48m
Mon 11/236:50 am -
1 stop6h 08m
Deal found 11/4![American Airlines logo]()
$459
This Southwest deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/98:25 am -
2 stops7h 50m
Tue 4/1311:25 am -
1 stop5h 55m
Deal found 11/6![Southwest logo]()
$464
This Delta deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/157:05 am -
1 stop6h 29m
Fri 1/221:33 pm -
1 stop7h 09m
Deal found 11/7![Delta logo]()
$389
This American Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/157:21 am -
2 stops13h 52m
Fri 1/227:42 am -
2 stops11h 47m
Deal found 11/7![American Airlines logo]()
$471
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/97:05 am -
1 stop6h 09m
Sun 1/175:05 am -
1 stop7h 21m
Deal found 11/3![Delta logo]()
$407
This United Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/203:10 pm -
1 stop7h 42m
Wed 1/276:10 am -
2 stops10h 40m
Deal found 11/5![United Airlines logo]()
$414
This Delta deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:03 am -
1 stop8h 03m
Sat 12/125:10 am -
1 stop7h 11m
Deal found 11/6![Delta logo]()
$409
This United Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/198:50 am -
1 stop5h 59m
Mon 11/236:30 am -
1 stop5h 08m
Deal found 11/4![United Airlines logo]()
$438
This Delta deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/223:30 pm -
1 stop5h 12m
Thu 11/266:34 am -
2 stops8h 49m
Deal found 11/7![Delta logo]()
$414
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/194:39 pm -
1 stop5h 59m
Sat 11/212:45 pm -
1 stop5h 14m
Deal found 11/3![United Airlines logo]()
$438
This United Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/204:39 pm -
1 stop5h 59m
Tue 11/246:30 am -
1 stop5h 08m
Deal found 11/5![United Airlines logo]()
$448
This Delta deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:08 am -
1 stop6h 33m
Sat 11/216:19 pm -
2 stops13h 41m
Deal found 11/6![Delta logo]()
$454
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/181:08 pm -
2 stops9h 30m
Sun 11/226:30 am -
2 stops8h 13m
Deal found 11/2![United Airlines logo]()
$449
This Delta deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:00 pm -
1 stop6h 20m
Mon 11/236:18 pm -
1 stop5h 22m
Deal found 11/5![Delta logo]()
$459
This United Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/98:52 am -
2 stops15h 09m
Sun 1/249:35 am -
1 stop6h 19m
Deal found 11/5![United Airlines logo]()
$450
This Delta deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/199:45 am -
1 stop5h 55m
Mon 11/2312:25 pm -
2 stops10h 31m
Deal found 11/4![Delta logo]()
$474
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/278:52 am -
1 stop7h 40m
Sat 1/302:38 pm -
1 stop5h 00m
Deal found 11/2![United Airlines logo]()
$459
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2511:51 am -
2 stops12h 16m
Sat 5/15:25 am -
2 stops8h 06m
Deal found 11/3![Delta logo]()
$499
This United Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/156:15 am -
1 stop6h 49m
Thu 2/189:40 am -
2 stops10h 43m
Deal found 11/4![United Airlines logo]()
$466
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/33:10 pm -
1 stop7h 32m
Sat 2/66:25 am -
1 stop6h 38m
Deal found 11/2![United Airlines logo]()
$478
Last-minute flights from St. Louis to MontanaDiscover last-minute flight deals from St. Louis to Montana. Data last updated November 7, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Montana. Data last updated November 7, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/189:45 am -
1 stop5h 55m
Sun 11/223:35 pm -
1 stop6h 47m
Deal found 11/3![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/194:39 pm -
1 stop5h 35m
Mon 11/232:42 pm -
1 stop5h 17m
Deal found 11/4![United Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:30 am -
2 stops9h 53m
Wed 12/97:00 am -
1 stop4h 53m
Deal found 11/4![United Airlines logo]()
$400
This United Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/58:40 am -
1 stop5h 44m
Sat 12/127:00 am -
1 stop4h 53m
Deal found 11/4![United Airlines logo]()
$349
This American Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/52:54 pm -
1 stop6h 55m
Sat 12/127:00 am -
2 stops11h 57m
Deal found 11/5![American Airlines logo]()
$364
This Delta deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:00 am -
2 stops12h 41m
Sat 12/126:21 pm -
2 stops13h 40m
Deal found 11/5![Delta logo]()
$369
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/95:25 am -
1 stop7h 08m
Sat 12/126:30 am -
2 stops9h 35m
Deal found 11/2![United Airlines logo]()
$374
This United Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/146:30 am -
1 stop6h 03m
Sat 12/194:20 pm -
1 stop6h 18m
Deal found 11/4![United Airlines logo]()
$369
This Delta deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/146:03 am -
1 stop7h 21m
Sat 12/196:39 pm -
1 stop5h 07m
Deal found 11/6![Delta logo]()
$408
This American Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/155:50 am -
1 stop8h 12m
Wed 12/233:06 pm -
1 stop8h 10m
Deal found 11/7![American Airlines logo]()
$393
This Kiwi.com deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/175:45 pm -
1 stop28h 44m
Mon 12/2110:09 pm -
1 stop17h 33m
Deal found 11/3![Multiple Airlines logo]()
$377
This American Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/178:22 pm -
1 stop17h 28m
Mon 12/213:06 pm -
1 stop8h 10m
Deal found 11/3![American Airlines logo]()
$407
One-way flights from St. Louis to MontanaSearch for one-way flight options from St. Louis to Montana. Find affordable one-way fares based on user searches. Data last updated November 7, 2026.
Search for one-way flight options from St. Louis to Montana. Find affordable one-way fares based on user searches. Data last updated November 7, 2026.
This Delta deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/307:46 pm -
1 stop5h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Delta logo]()
$185
This Delta deal was found by Cheapflights users on 11/2. 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.
Sat 1/27:05 am -
1 stop6h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Delta logo]()
$190
This Delta deal was found by Cheapflights users on 11/2. 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.
Sat 1/307:00 am -
1 stop7h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Delta logo]()
$200
This Delta deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/239:45 am -
1 stop5h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Delta logo]()
$205
This Delta deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/226:40 am -
2 stops11h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Delta logo]()
$210
This United Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/214:39 pm -
1 stop6h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![United Airlines logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/184:18 pm -
2 stops18h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Multiple Airlines logo]()
$223
This American Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/298:22 pm -
1 stop17h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![American Airlines logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/213:04 pm -
2 stops19h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Multiple Airlines logo]()
$233
This Alaska Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:00 am -
1 stop7h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Alaska Airlines logo]()
$235
This Alaska Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/216:00 am -
1 stop7h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Alaska Airlines logo]()
$240
This United Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/910:30 am -
2 stops12h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![United Airlines logo]()
$249
Find flight deals from St. Louis to Montana
Keep the following information in mind while searching for St. Louis to Montana flight deals. Data was last updated November 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $349 (United Airlines) |
One-way from | $185 (Delta) |
Popular in | March |
Cheapest in | January |
Average price | $486 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Montana 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 7, 2026.
Use the filters below to find and compare flights from St. Louis to Montana that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisBozeman
STL Lambert-St Louis - BZN Bozeman Gallatin Field
STLBZN
Lambert-St Louis
Wed 12/30
7:46 pm-12:30 am
1 stop5h 44m
Bozeman Gallatin Field
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$185
St. LouisMissoula
STL Lambert-St Louis - MSO Missoula Johnson-Bell Field
STLMSO
Lambert-St Louis
Sat 1/2
7:05 am-12:37 pm
1 stop6h 32m
Missoula Johnson-Bell Field
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$190
St. LouisKalispell
STL Lambert-St Louis - FCA Kalispell Glacier Park
STLFCA
Lambert-St Louis
Sat 1/30
7:00 am-1:01 pm
1 stop7h 01m
Kalispell Glacier Park
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$200
St. LouisKalispell
STL Lambert-St Louis - FCA Kalispell Glacier Park
STLFCA
Lambert-St Louis
Sat 1/30
10:45 am-11:01 pm
2 stops13h 16m
Kalispell Glacier Park
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$205
St. LouisKalispell
STL Lambert-St Louis - FCA Kalispell Glacier Park
STLFCA
Lambert-St Louis
Thu 11/19
6:00 am-12:15 pm
1 stop7h 15m
Kalispell Glacier Park
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$205
St. LouisKalispell
STL Lambert-St Louis - FCA Kalispell Glacier Park
STLFCA
Lambert-St Louis
Tue 3/9
6:30 am-12:29 pm
1 stop6h 59m
Kalispell Glacier Park
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$205
St. LouisKalispell
STL Lambert-St Louis - FCA Kalispell Glacier Park
STLFCA
Lambert-St Louis
Wed 11/25
9:45 am-2:40 pm
1 stop5h 55m
Kalispell Glacier Park
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$205
St. LouisKalispell
STL Lambert-St Louis - FCA Kalispell Glacier Park
STLFCA
Lambert-St Louis
Sun 11/22
9:59 am-5:37 pm
2 stops8h 38m
Kalispell Glacier Park
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$210
St. LouisKalispell
STL Lambert-St Louis - FCA Kalispell Glacier Park
STLFCA
Lambert-St Louis
Tue 11/24
9:45 am-2:40 pm
1 stop5h 55m
Kalispell Glacier Park
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$250
St. LouisKalispell
STL Lambert-St Louis - FCA Kalispell Glacier Park
STLFCA
Lambert-St Louis
Sat 11/21
5:00 pm-10:45 pm
1 stop6h 45m
Kalispell Glacier Park
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$265
Showing 1-10 of 49 resultsSorted by cheapest first
Best time to book a flight from St. Louis to Montana
Have a flexible travel schedule? Discover the best time to fly to Montana from St. Louis with our price prediction graph.
STL-BIL
STL-BZN
STL-MSO
STL-FCA
STL-GTF
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 St. Louis to Montana
STL-USMT
STL-BIL
STL-BZN
STL-MSO
STL-FCA
What is the cheapest month to book a flight from St. Louis to Montana?
Currently, April is the cheapest month in which you can book a flight from St. Louis to Montana (average of $369). Flying from St. Louis to Montana in July is currently the most expensive (average of $633). 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 far ahead should I book a flight from St. Louis to Montana?
The price you pay for your flight from St. Louis to Montana may vary depending on when you book. For the best chance of a lower fare, look to book 25 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing Montana
Get insights into the airlines that provide service to Montana. 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 Montana. Reviews last updated November 7, 2026.
Peruse reviews from past customers who have flown with Southwest,Alaska Airlines, andDelta from St. Louis to Montana to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Comfort
8.0
Overall
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
8.0
ExcellentPatricia,Oct 2026
DAL - TPA
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Montana. 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 St. Louis to Montana
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Complete your trip
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St. Louis and Montana flights
Browse other St. Louis and Montana flight options. Last updated on November 7, 2026.
Popular flight searches
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St. Louis to Montana flights
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Top 5 airlines flying from St. Louis to Montana
Discover the top 5 airlines that operate flights from St. Louis to Montana. 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 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$179 | Average$426 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$192 | Average$383 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$210 | Average$501 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$245 | Average$466 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$287 | Average$447 | FlexibilityNo cancel fee | On-time75% |