$160+ Cheap flights from St. Louis (STL) to Montana
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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BZN
Sep 8 — Sep 151
Round-trip
1 adult, Economy
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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 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 August 9, 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 August 9, 2026.
This United Airlines deal was found by Cheapflights users on 8/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/54:40 pm -
1 stop7h 05m
Sat 9/125:00 am -
1 stop6h 40m
Deal found 8/6![United Airlines logo]()
$318
This American Airlines deal was found by Cheapflights users on 8/4. 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.
Tue 8/255:42 am -
1 stop6h 54m
Tue 9/14:50 pm -
1 stop6h 24m
Deal found 8/4![American Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 9/275:00 am -
2 stops10h 33m
Thu 10/11:34 pm -
1 stop6h 10m
Deal found 8/8![American Airlines logo]()
$324
This United Airlines deal was found by Cheapflights users on 8/4. 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 8/275:10 am -
1 stop5h 31m
Wed 9/22:29 pm -
1 stop5h 17m
Deal found 8/4![United Airlines logo]()
$329
This American Airlines deal was found by Cheapflights users on 8/7. 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 11/37:24 am -
2 stops14h 16m
Sat 11/71:23 pm -
2 stops9h 36m
Deal found 8/7![American Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 8/7. 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.
Tue 9/225:47 pm -
1 stop6h 56m
Mon 9/286:00 pm -
1 stop5h 44m
Deal found 8/7![Delta logo]()
$349
This United Airlines deal was found by Cheapflights users on 8/4. 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 8/2412:59 pm -
2 stops9h 22m
Mon 8/313:58 pm -
1 stop6h 01m
Deal found 8/4![United Airlines logo]()
$354
This Delta deal was found by Cheapflights users on 8/5. 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 12/177:10 am -
1 stop6h 08m
Mon 12/215:45 am -
1 stop6h 38m
Deal found 8/5![Delta logo]()
$354
This Southwest deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/512:20 pm -
1 stop8h 50m
Fri 9/113:30 pm -
1 stop5h 30m
Deal found 8/8![Southwest logo]()
$355
This American Airlines deal was found by Cheapflights users on 8/5. 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.
Wed 9/305:00 am -
2 stops10h 33m
Sat 10/31:02 pm -
2 stops10h 25m
Deal found 8/5![American Airlines logo]()
$359
This Delta deal was found by Cheapflights users on 8/6. 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.
Wed 9/211:00 am -
2 stops10h 12m
Wed 9/96:33 pm -
2 stops14h 01m
Deal found 8/6![Delta logo]()
$364
This Delta deal was found by Cheapflights users on 8/7. 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.
Sat 8/298:00 am -
1 stop7h 44m
Sat 9/511:27 am -
1 stop4h 17m
Deal found 8/7![Delta logo]()
$369
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 August 9, 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 August 9, 2026.
This United Airlines deal was found by Cheapflights users on 8/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/54:40 pm -
1 stop7h 05m
Sat 9/125:00 am -
1 stop6h 40m
Deal found 8/6![United Airlines logo]()
$318
This Delta deal was found by Cheapflights users on 8/6. 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 10/35:00 pm -
1 stop6h 41m
Wed 10/76:01 am -
1 stop7h 44m
Deal found 8/6![Delta logo]()
$329
This Southwest deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/512:20 pm -
1 stop8h 50m
Fri 9/113:30 pm -
1 stop5h 30m
Deal found 8/8![Southwest logo]()
$355
This Priceline deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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.
Wed 9/96:29 am -
1 stop9h 17m
Fri 9/182:21 pm -
1 stop8h 38m
Deal found 8/8![Alaska Airlines logo]()
$401
This United Airlines deal was found by Cheapflights users on 8/4. 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 8/248:42 am -
1 stop7h 39m
Mon 8/313:58 pm -
1 stop6h 01m
Deal found 8/4![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 8/7. 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.
Tue 9/221:55 pm -
2 stops9h 59m
Mon 9/286:00 pm -
1 stop5h 44m
Deal found 8/7![Delta logo]()
$354
This United Airlines deal was found by Cheapflights users on 8/4. 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 8/275:10 am -
1 stop5h 31m
Wed 9/22:29 pm -
1 stop5h 17m
Deal found 8/4![United Airlines logo]()
$329
This Southwest deal was found by Cheapflights users on 8/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/28:35 am -
1 stop7h 05m
Wed 9/96:55 am -
1 stop7h 10m
Deal found 8/5![Southwest logo]()
$392
This United Airlines deal was found by Cheapflights users on 8/7. 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 11/34:39 pm -
1 stop5h 35m
Sat 11/72:42 pm -
1 stop5h 17m
Deal found 8/7![United Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 8/5. 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.
Fri 8/215:34 pm -
1 stop7h 22m
Fri 8/285:15 am -
1 stop7h 23m
Deal found 8/5![Delta logo]()
$379
This Alaska Airlines deal was found by Cheapflights users on 8/4. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:29 am -
1 stop11h 10m
Wed 10/75:15 pm -
1 stop21h 29m
Deal found 8/4![Alaska Airlines logo]()
$428
This Southwest deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/263:00 pm -
2 stops7h 20m
Wed 9/306:55 am -
1 stop7h 10m
Deal found 8/8![Southwest logo]()
$406
This Delta deal was found by Cheapflights users on 8/7. 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.
Sat 1/97:30 am -
1 stop5h 53m
Sun 1/175:45 am -
1 stop6h 38m
Deal found 8/7![Delta logo]()
$392
This Alaska Airlines deal was found by Cheapflights users on 8/7. 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.
Tue 1/263:24 pm -
1 stop9h 35m
Sat 1/306:40 am -
1 stop6h 46m
Deal found 8/7![Alaska Airlines logo]()
$455
This United Airlines deal was found by Cheapflights users on 8/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/214:40 pm -
1 stop5h 32m
Tue 8/252:25 pm -
1 stop5h 21m
Deal found 8/6![United Airlines logo]()
$398
This Delta deal was found by Cheapflights users on 8/4. 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.
Sun 12/65:30 pm -
1 stop7h 02m
Sun 12/136:00 am -
1 stop7h 39m
Deal found 8/4![Delta logo]()
$401
This Alaska Airlines deal was found by Cheapflights users on 8/5. 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 9/186:08 pm -
1 stop20h 17m
Fri 9/254:16 pm -
1 stop6h 43m
Deal found 8/5![Alaska Airlines logo]()
$469
This United Airlines deal was found by Cheapflights users on 8/4. 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 9/94:40 pm -
1 stop5h 50m
Sun 9/136:15 am -
1 stop5h 25m
Deal found 8/4![United Airlines logo]()
$398
This Delta deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 9/56:30 am -
2 stops12h 14m
Sat 9/126:33 pm -
2 stops14h 01m
Deal found 8/8![Delta logo]()
$419
This United Airlines deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 9/269:00 am -
1 stop5h 31m
Wed 9/304:30 pm -
1 stop6h 14m
Deal found 8/8![United Airlines logo]()
$401
This Delta deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 8/235:34 pm -
1 stop7h 22m
Sat 8/293:15 pm -
1 stop5h 48m
Deal found 8/8![Delta logo]()
$430
This United Airlines deal was found by Cheapflights users on 8/7. 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.
Sat 8/299:00 am -
1 stop5h 50m
Tue 9/15:00 am -
1 stop6h 40m
Deal found 8/7![United Airlines logo]()
$408
This Delta deal was found by Cheapflights users on 8/7. 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.
Sat 9/125:00 pm -
1 stop6h 54m
Sat 9/196:35 am -
1 stop7h 37m
Deal found 8/7![Delta logo]()
$430
This United Airlines deal was found by Cheapflights users on 8/4. 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.
Tue 8/254:40 pm -
1 stop7h 05m
Tue 9/15:00 am -
1 stop6h 40m
Deal found 8/4![United Airlines logo]()
$408
This United Airlines deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/209:04 am -
2 stops13h 32m
Sat 10/2412:26 pm -
1 stop6h 15m
Deal found 8/8![United Airlines logo]()
$414
This Delta deal was found by Cheapflights users on 8/3. 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.
Fri 9/186:55 pm -
1 stop6h 23m
Fri 9/256:17 pm -
1 stop5h 27m
Deal found 8/3![Delta logo]()
$469
This United Airlines deal was found by Cheapflights users on 8/4. 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 11/78:50 am -
1 stop5h 59m
Wed 11/116:30 am -
1 stop5h 08m
Deal found 8/4![United Airlines logo]()
$418
This United Airlines deal was found by Cheapflights users on 8/4. 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 11/144:39 pm -
1 stop7h 04m
Wed 11/1810:15 am -
1 stop5h 42m
Deal found 8/4![United Airlines logo]()
$424
This United Airlines deal was found by Cheapflights users on 8/4. 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 8/294:40 pm -
1 stop5h 50m
Tue 9/12:35 pm -
1 stop5h 11m
Deal found 8/4![United Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 8/7. 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 9/14:40 pm -
1 stop5h 50m
Sat 9/56:15 am -
1 stop5h 25m
Deal found 8/7![United Airlines logo]()
$429
Last-minute flights from St. Louis to MontanaDiscover last-minute flight deals from St. Louis to Montana. Data last updated August 9, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Montana. Data last updated August 9, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/4. 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 8/2412:59 pm -
2 stops9h 22m
Mon 8/313:58 pm -
1 stop6h 01m
Deal found 8/4![United Airlines logo]()
$354
This American Airlines deal was found by Cheapflights users on 8/4. 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.
Tue 8/255:42 am -
1 stop6h 54m
Tue 9/14:50 pm -
1 stop6h 24m
Deal found 8/4![American Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 8/4. 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 8/275:10 am -
1 stop5h 31m
Wed 9/22:29 pm -
1 stop5h 17m
Deal found 8/4![United Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 8/7. 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.
Sat 8/298:00 am -
1 stop7h 44m
Sat 9/511:27 am -
1 stop4h 17m
Deal found 8/7![Delta logo]()
$369
This Delta deal was found by Cheapflights users on 8/6. 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.
Wed 9/211:00 am -
2 stops10h 12m
Wed 9/96:33 pm -
2 stops14h 01m
Deal found 8/6![Delta logo]()
$364
This United Airlines deal was found by Cheapflights users on 8/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/24:40 pm -
1 stop6h 27m
Wed 9/910:30 am -
1 stop5h 04m
Deal found 8/6![United Airlines logo]()
$372
This United Airlines deal was found by Cheapflights users on 8/6. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/54:40 pm -
1 stop7h 05m
Sat 9/125:00 am -
1 stop6h 40m
Deal found 8/6![United Airlines logo]()
$318
This Southwest deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/512:20 pm -
1 stop8h 50m
Fri 9/113:30 pm -
1 stop5h 30m
Deal found 8/8![Southwest logo]()
$355
This Kiwi.com deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 9/98:10 pm -
2 stops22h 44m
Thu 9/179:42 pm -
1 stop12h 45m
Deal found 8/8![Multiple Airlines logo]()
$370
This Delta deal was found by Cheapflights users on 8/7. 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.
Tue 9/225:47 pm -
1 stop6h 56m
Mon 9/286:00 pm -
1 stop5h 44m
Deal found 8/7![Delta logo]()
$349
This American Airlines deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 9/275:00 am -
2 stops10h 33m
Thu 10/11:34 pm -
1 stop6h 10m
Deal found 8/8![American Airlines logo]()
$324
This American Airlines deal was found by Cheapflights users on 8/5. 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.
Wed 9/305:00 am -
2 stops10h 33m
Sat 10/31:02 pm -
2 stops10h 25m
Deal found 8/5![American Airlines logo]()
$359
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 August 9, 2026.
Search for one-way flight options from St. Louis to Montana. Find affordable one-way fares based on user searches. Data last updated August 9, 2026.
This Delta deal was found by Cheapflights users on 8/7. 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.
Tue 9/85:47 pm -
1 stop6h 56m
Deal found 8/7![Delta logo]()
$160
This Southwest deal was found by Cheapflights users on 8/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/115:30 pm -
1 stop6h 00m
Deal found 8/7![Southwest logo]()
$178
This Trip.com deal was found by Cheapflights users on 8/5. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:00 am -
1 stop9h 35m
Deal found 8/5![Alaska Airlines logo]()
$184
This United Airlines deal was found by Cheapflights users on 8/5. 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 9/301:29 pm -
1 stop6h 43m
Deal found 8/5![United Airlines logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 8/8. Clicking the “Pick Dates” 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 9/172:00 pm -
2 stops27h 04m
Deal found 8/8![Multiple Airlines logo]()
$190
This Delta deal was found by Cheapflights users on 8/4. 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.
Sat 1/165:30 pm -
1 stop7h 28m
Deal found 8/4![Delta logo]()
$192
This Kiwi.com deal was found by Cheapflights users on 8/5. 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 9/302:29 pm -
2 stops19h 37m
Deal found 8/5![Multiple Airlines logo]()
$194
This Southwest deal was found by Cheapflights users on 8/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/165:20 am -
2 stops9h 15m
Deal found 8/4![Southwest logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:00 pm -
2 stops27h 00m
Deal found 8/4![Multiple Airlines logo]()
$200
This American Airlines deal was found by Cheapflights users on 8/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/288:36 am -
1 stop7h 49m
Deal found 8/6![American Airlines logo]()
$201
This United Airlines deal was found by Cheapflights users on 8/5. 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 11/66:00 am -
2 stops16h 51m
Deal found 8/5![United Airlines logo]()
$210
This Priceline deal was found by Cheapflights users on 8/4. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:04 am -
2 stops14h 01m
Deal found 8/4![Alaska Airlines logo]()
$215
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 August 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $318 (United Airlines) |
One-way from | $160 (Delta) |
Popular in | March |
Cheapest in | January |
Average price | $360 |
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 2,558,603 searches. Data last updated August 9, 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. LouisCody
STL Lambert-St Louis - COD Cody E.E. Faust
STLCOD
Lambert-St Louis
Sat 9/5
4:40 pm-10:45 pm
1 stop7h 05m
Cody E.E. Faust
Sat 9/12
5:00 am-12:40 pm
1 stop6h 40m
$318
St. LouisKalispell
STL Lambert-St Louis - FCA Kalispell Glacier Park
STLFCA
Lambert-St Louis
Mon 8/24
8:42 am-3:21 pm
1 stop7h 39m
Kalispell Glacier Park
Mon 8/31
3:58 pm-10:59 pm
1 stop6h 01m
$319
St. LouisBillings
STL Lambert-St Louis - BIL Billings Logan Intl
STLBIL
Lambert-St Louis
Sat 10/3
5:00 pm-10:41 pm
1 stop6h 41m
Billings Logan Intl
Wed 10/7
6:01 am-2:45 pm
1 stop7h 44m
$329
Quickest round-trip
St. LouisBillings
STL Lambert-St Louis - BIL Billings Logan Intl
STLBIL
Lambert-St Louis
Thu 8/27
5:10 am-9:41 am
1 stop5h 31m
Billings Logan Intl
Wed 9/2
2:29 pm-8:46 pm
1 stop5h 17m
$329
St. LouisBillings
STL Lambert-St Louis - BIL Billings Logan Intl
STLBIL
Lambert-St Louis
Tue 11/3
4:39 pm-9:14 pm
1 stop5h 35m
Billings Logan Intl
Sat 11/7
2:42 pm-8:59 pm
1 stop5h 17m
$329
St. LouisKalispell
STL Lambert-St Louis - FCA Kalispell Glacier Park
STLFCA
Lambert-St Louis
Tue 9/22
1:55 pm-10:54 pm
2 stops9h 59m
Kalispell Glacier Park
Mon 9/28
6:00 pm-12:44 am
1 stop5h 44m
$354
St. LouisBozeman
STL Lambert-St Louis - BZN Bozeman Gallatin Field
STLBZN
Lambert-St Louis
Sat 9/5
12:20 pm-8:10 pm
1 stop8h 50m
Bozeman Gallatin Field
Fri 9/11
3:30 pm-10:00 pm
1 stop5h 30m
$355
St. LouisKalispell
STL Lambert-St Louis - FCA Kalispell Glacier Park
STLFCA
Lambert-St Louis
Fri 8/21
5:34 pm-11:56 pm
1 stop7h 22m
Kalispell Glacier Park
Fri 8/28
5:15 am-1:38 pm
1 stop7h 23m
$379
St. LouisBozeman
STL Lambert-St Louis - BZN Bozeman Gallatin Field
STLBZN
Lambert-St Louis
Wed 9/2
8:35 am-2:40 pm
1 stop7h 05m
Bozeman Gallatin Field
Wed 9/9
6:55 am-3:05 pm
1 stop7h 10m
$392
St. LouisBozeman
STL Lambert-St Louis - BZN Bozeman Gallatin Field
STLBZN
Lambert-St Louis
Sat 1/9
7:30 am-12:23 pm
1 stop5h 53m
Bozeman Gallatin Field
Sun 1/17
5:45 am-1:23 pm
1 stop6h 38m
$392
Showing 1-10 of 55 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-FCA
STL-BZN
STL-MSO
STL-BIL
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-FCA
STL-BZN
STL-MSO
STL-BIL
What is the cheapest month to book a flight from St. Louis to Montana?
Currently, January is the cheapest month in which you can book a flight from St. Louis to Montana (average of $306). Flying from St. Louis to Montana in July is currently the most expensive (average of $654). 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 St. Louis to Montana?
Airfare is typical for this route at the moment.
St. Louis to Montana flights typically cost between $290 and $458 in September.The cheapest round-trip price found within the last 5 days was $355 on Southwest (Sep 5-Sep 11).
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 74 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 August 9, 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.
Entertainment
7.5
Comfort
8.0
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Comfort
8.0
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Comfort
8.0
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Comfort
8.0
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Comfort
8.0
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Entertainment
7.5
Comfort
8.0
Overall
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
8.0
ExcellentLibby,Jun 2026
TUS - LAS
Related info for your journey
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Complete your trip
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St. Louis and Montana flights
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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 2,558,603 searches. Data last updated August 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$179 | Average$419 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$192 | Average$428 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$245 | Average$453 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$262 | Average$477 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$287 | Average$447 | FlexibilityNo cancel fee | On-time75% |