$129+ 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BZN
Mar 10 — Mar 171
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 February 8, 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 February 8, 2026.
This United Airlines deal was found by Cheapflights users on 2/6. 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 2/214:30 pm
STL
- BZN
1 stop5h 37m
United Airlines
Wed 2/2512:48 pm
BZN
- STL
1 stop7h 17m
United Airlines
Deal found 2/6![United Airlines logo]()
$239
This United Airlines deal was found by Cheapflights users on 2/7. 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.
Mon 3/165:15 am
STL
- BZN
1 stop5h 27m
United Airlines
Wed 3/1811:49 am
BZN
- STL
1 stop11h 02m
United Airlines
Deal found 2/7![United Airlines logo]()
$246
This Delta deal was found by Cheapflights users on 2/6. 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 5/237:00 am
STL
- FCA
1 stop5h 26m
Delta
Sat 5/3012:24 pm
FCA
- STL
1 stop7h 42m
Delta
Deal found 2/6![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 2/6. 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 5/207:59 pm
STL
- BZN
1 stop5h 00m
Delta
Wed 5/275:35 am
BZN
- STL
1 stop6h 57m
Delta
Deal found 2/6![Delta logo]()
$257
This Alaska Airlines deal was found by Cheapflights users on 2/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/237:00 am
STL
- BZN
1 stop8h 08m
Alaska Airlines
Fri 2/273:02 pm
BZN
- STL
1 stop7h 57m
Alaska Airlines
Deal found 2/8![Alaska Airlines logo]()
$279
This United Airlines deal was found by Cheapflights users on 2/5. 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 6/275:29 pm
STL
- BZN
1 stop6h 11m
United Airlines
Fri 7/34:28 pm
BZN
- STL
1 stop6h 30m
United Airlines
Deal found 2/5![United Airlines logo]()
$280
This Trip.com deal was found by Cheapflights users on 2/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/257:00 am
STL
- MSO
1 stop9h 35m
Hawaiian Airlines
Wed 4/14:23 pm
MSO
- STL
1 stop6h 36m
Hawaiian Airlines
Deal found 2/8![Hawaiian Airlines logo]()
$283
This Delta deal was found by Cheapflights users on 2/5. 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 7/32:18 pm
STL
- BIL
2 stops9h 19m
Delta
Wed 7/86:15 am
BIL
- STL
1 stop4h 15m
Delta
Deal found 2/5![Delta logo]()
$284
This United Airlines deal was found by Cheapflights users on 2/8. 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.
Mon 2/236:25 am
STL
- BZN
1 stop6h 21m
United Airlines
Fri 2/2710:50 am
BZN
- STL
2 stops9h 50m
United Airlines
Deal found 2/8![United Airlines logo]()
$284
This Delta deal was found by Cheapflights users on 2/8. 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.
Wed 3/116:32 am
STL
- GTF
2 stops12h 10m
Delta
Wed 3/186:22 pm
GTF
- STL
1 stop4h 59m
Delta
Deal found 2/8![Delta logo]()
$284
This United Airlines deal was found by Cheapflights users on 2/8. 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 6/204:50 pm
STL
- BZN
1 stop5h 23m
United Airlines
Sat 6/275:32 pm
BZN
- STL
1 stop5h 26m
United Airlines
Deal found 2/8![United Airlines logo]()
$286
This Alaska Airlines deal was found by Cheapflights users on 2/7. 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.
Thu 3/57:00 am
STL
- BZN
1 stop28h 53m
Alaska Airlines
Mon 3/93:02 pm
BZN
- STL
1 stop7h 57m
Alaska Airlines
Deal found 2/7![Alaska Airlines logo]()
$287
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 February 8, 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 February 8, 2026.
This American Airlines deal was found by Cheapflights users on 2/8. 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.
Mon 2/237:00 am
STL
- BZN
1 stop6h 57m
American Airlines
Fri 2/271:36 pm
BZN
- STL
1 stop6h 36m
American Airlines
Deal found 2/8![American Airlines logo]()
$239
This United Airlines deal was found by Cheapflights users on 2/6. 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 2/214:30 pm
STL
- BZN
1 stop5h 37m
United Airlines
Wed 2/2512:48 pm
BZN
- STL
1 stop7h 17m
United Airlines
Deal found 2/6![United Airlines logo]()
$239
This Expedia deal was found by Cheapflights users on 2/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:00 am
STL
- BZN
1 stop8h 10m
Alaska Airlines
Tue 4/217:00 am
BZN
- STL
1 stop6h 51m
Alaska Airlines
Deal found 2/7![Alaska Airlines logo]()
$239
This Delta deal was found by Cheapflights users on 2/6. 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 5/237:00 am
STL
- FCA
1 stop5h 26m
Delta
Sat 5/3012:24 pm
FCA
- STL
1 stop7h 42m
Delta
Deal found 2/6![Delta logo]()
$257
This Trip.com deal was found by Cheapflights users on 2/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/257:00 am
STL
- MSO
1 stop9h 35m
Hawaiian Airlines
Wed 4/14:23 pm
MSO
- STL
1 stop6h 36m
Hawaiian Airlines
Deal found 2/8![Hawaiian Airlines logo]()
$283
This Southwest deal was found by Cheapflights users on 2/7. 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 4/176:20 am
STL
- BZN
1 stop4h 55m
Southwest
Tue 4/218:10 am
BZN
- STL
2 stops8h 50m
Southwest
Deal found 2/7![Southwest logo]()
$290
This Alaska Airlines deal was found by Cheapflights users on 2/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/237:00 am
STL
- BZN
1 stop8h 08m
Alaska Airlines
Fri 2/273:02 pm
BZN
- STL
1 stop7h 57m
Alaska Airlines
Deal found 2/8![Alaska Airlines logo]()
$279
This Delta deal was found by Cheapflights users on 2/6. 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 3/116:32 am
STL
- GTF
2 stops12h 10m
Delta
Wed 3/186:22 pm
GTF
- STL
1 stop4h 59m
Delta
Deal found 2/6![Delta logo]()
$284
This American Airlines deal was found by Cheapflights users on 2/7. 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.
Wed 4/155:46 am
STL
- MSO
1 stop7h 52m
American Airlines
Sun 4/191:08 pm
MSO
- STL
1 stop8h 09m
American Airlines
Deal found 2/7![American Airlines logo]()
$312
This United Airlines deal was found by Cheapflights users on 2/5. 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 4/32:40 pm
STL
- HLN
1 stop7h 53m
United Airlines
Tue 4/72:25 pm
HLN
- STL
1 stop5h 29m
United Airlines
Deal found 2/5![United Airlines logo]()
$314
This Alaska Airlines deal was found by Cheapflights users on 2/7. 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.
Thu 3/57:00 am
STL
- BZN
1 stop28h 53m
Alaska Airlines
Mon 3/93:02 pm
BZN
- STL
1 stop7h 57m
Alaska Airlines
Deal found 2/7![Alaska Airlines logo]()
$287
This Delta deal was found by Cheapflights users on 2/7. 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.
Thu 4/166:45 pm
STL
- MSO
1 stop6h 31m
Delta
Sun 4/196:18 pm
MSO
- STL
1 stop5h 07m
Delta
Deal found 2/7![Delta logo]()
$289
This Alaska Airlines deal was found by Cheapflights users on 2/5. 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.
Thu 5/146:20 pm
STL
- FCA
1 stop23h 37m
Alaska Airlines
Tue 5/194:13 pm
FCA
- STL
1 stop23h 53m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$297
This United Airlines deal was found by Cheapflights users on 2/7. 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.
Mon 3/165:15 am
STL
- BZN
1 stop5h 27m
United Airlines
Wed 3/1810:38 am
BZN
- STL
2 stops9h 29m
United Airlines
Deal found 2/7![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 2/8. 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.
Fri 2/276:40 pm
STL
- MSO
1 stop5h 50m
Delta
Mon 3/26:10 pm
MSO
- STL
1 stop5h 15m
Delta
Deal found 2/8![Delta logo]()
$314
This United Airlines deal was found by Cheapflights users on 2/8. 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.
Mon 2/234:30 pm
STL
- MSO
1 stop6h 27m
United Airlines
Fri 2/272:34 pm
MSO
- STL
1 stop4h 52m
United Airlines
Deal found 2/8![United Airlines logo]()
$339
This Alaska Airlines deal was found by Cheapflights users on 2/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:00 am
STL
- BZN
1 stop8h 08m
Alaska Airlines
Mon 3/27:00 am
BZN
- STL
1 stop29h 51m
Alaska Airlines
Deal found 2/6![Alaska Airlines logo]()
$311
This Delta deal was found by Cheapflights users on 2/8. 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.
Wed 3/253:05 pm
STL
- MSO
1 stop5h 57m
Delta
Wed 4/15:20 am
MSO
- STL
2 stops8h 04m
Delta
Deal found 2/8![Delta logo]()
$317
This United Airlines deal was found by Cheapflights users on 2/6. 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 2/214:30 pm
STL
- MSO
1 stop6h 27m
United Airlines
Wed 2/252:34 pm
MSO
- STL
1 stop4h 52m
United Airlines
Deal found 2/6![United Airlines logo]()
$339
This Delta deal was found by Cheapflights users on 2/8. 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.
Mon 2/237:00 am
STL
- GTF
1 stop6h 30m
Delta
Fri 2/276:20 pm
GTF
- STL
1 stop5h 05m
Delta
Deal found 2/8![Delta logo]()
$328
This Alaska Airlines deal was found by Cheapflights users on 2/5. 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.
Thu 4/24:20 pm
STL
- HLN
1 stop26h 25m
Alaska Airlines
Mon 4/66:22 pm
HLN
- STL
1 stop28h 37m
Alaska Airlines
Deal found 2/5![Alaska Airlines logo]()
$336
This United Airlines deal was found by Cheapflights users on 2/7. 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.
Wed 4/159:10 am
STL
- MSO
2 stops13h 25m
United Airlines
Sun 4/192:38 pm
MSO
- STL
1 stop5h 16m
United Airlines
Deal found 2/7![United Airlines logo]()
$340
This Delta deal was found by Cheapflights users on 2/6. 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 2/237:00 am
STL
- GTF
1 stop6h 30m
Delta
Wed 2/256:20 pm
GTF
- STL
1 stop5h 05m
Delta
Deal found 2/6![Delta logo]()
$328
This Alaska Airlines deal was found by Cheapflights users on 2/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/237:00 am
STL
- HLN
1 stop9h 59m
Alaska Airlines
Fri 2/274:36 pm
HLN
- STL
1 stop6h 23m
Alaska Airlines
Deal found 2/8![Alaska Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 2/7. 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.
Fri 4/39:10 am
STL
- BZN
2 stops13h 22m
United Airlines
Sun 4/52:25 pm
BZN
- STL
1 stop7h 03m
United Airlines
Deal found 2/7![United Airlines logo]()
$350
This Delta deal was found by Cheapflights users on 2/8. 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 3/86:12 pm
STL
- BIL
1 stop5h 17m
Delta
Sun 3/156:21 pm
BIL
- STL
1 stop5h 00m
Delta
Deal found 2/8![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 2/6. 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 3/112:50 pm
STL
- GTF
1 stop7h 21m
United Airlines
Wed 3/182:30 pm
GTF
- STL
1 stop5h 11m
United Airlines
Deal found 2/6![United Airlines logo]()
$358
This Alaska Airlines deal was found by Cheapflights users on 2/4. 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.
Tue 4/213:50 pm
STL
- FCA
1 stop8h 57m
Alaska Airlines
Wed 4/227:28 pm
FCA
- STL
1 stop27h 31m
Alaska Airlines
Deal found 2/4![Alaska Airlines logo]()
$370
This Delta deal was found by Cheapflights users on 2/4. 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 5/146:20 am
STL
- FCA
1 stop8h 13m
Delta
Tue 5/1912:24 pm
FCA
- STL
1 stop5h 39m
Delta
Deal found 2/4![Delta logo]()
$348
This United Airlines deal was found by Cheapflights users on 2/7. 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.
Fri 5/225:15 am
STL
- FCA
1 stop5h 53m
United Airlines
Wed 5/2712:35 pm
FCA
- STL
1 stop7h 36m
United Airlines
Deal found 2/7![United Airlines logo]()
$361
Last-minute flights from St. Louis to MontanaDiscover last-minute flight deals from St. Louis to Montana. Data last updated February 8, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Montana. Data last updated February 8, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 2/6. 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 2/214:30 pm
STL
- BZN
1 stop5h 37m
United Airlines
Wed 2/2512:48 pm
BZN
- STL
1 stop7h 17m
United Airlines
Deal found 2/6![United Airlines logo]()
$239
This Alaska Airlines deal was found by Cheapflights users on 2/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/237:00 am
STL
- BZN
1 stop8h 08m
Alaska Airlines
Fri 2/273:02 pm
BZN
- STL
1 stop7h 57m
Alaska Airlines
Deal found 2/8![Alaska Airlines logo]()
$279
This United Airlines deal was found by Cheapflights users on 2/8. 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.
Mon 2/236:25 am
STL
- BZN
1 stop6h 21m
United Airlines
Fri 2/2710:50 am
BZN
- STL
2 stops9h 50m
United Airlines
Deal found 2/8![United Airlines logo]()
$284
This Alaska Airlines deal was found by Cheapflights users on 2/6. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/257:00 am
STL
- BZN
1 stop8h 08m
Alaska Airlines
Mon 3/27:00 am
BZN
- STL
1 stop29h 51m
Alaska Airlines
Deal found 2/6![Alaska Airlines logo]()
$311
This Delta deal was found by Cheapflights users on 2/8. 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.
Fri 2/276:40 pm
STL
- MSO
1 stop5h 50m
Delta
Mon 3/26:10 pm
MSO
- STL
1 stop5h 15m
Delta
Deal found 2/8![Delta logo]()
$314
This Alaska Airlines deal was found by Cheapflights users on 2/7. 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.
Thu 3/57:00 am
STL
- BZN
1 stop28h 53m
Alaska Airlines
Mon 3/93:02 pm
BZN
- STL
1 stop7h 57m
Alaska Airlines
Deal found 2/7![Alaska Airlines logo]()
$287
This Delta deal was found by Cheapflights users on 2/6. 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 3/116:32 am
STL
- GTF
2 stops12h 10m
Delta
Wed 3/186:22 pm
GTF
- STL
1 stop4h 59m
Delta
Deal found 2/6![Delta logo]()
$284
This United Airlines deal was found by Cheapflights users on 2/7. 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.
Mon 3/165:15 am
STL
- BZN
1 stop5h 27m
United Airlines
Wed 3/1811:49 am
BZN
- STL
1 stop11h 02m
United Airlines
Deal found 2/7![United Airlines logo]()
$246
This American Airlines deal was found by Cheapflights users on 2/6. 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 3/206:00 am
STL
- BZN
1 stop7h 38m
American Airlines
Tue 3/241:47 pm
BZN
- STL
1 stop8h 35m
American Airlines
Deal found 2/6![American Airlines logo]()
$309
This Trip.com deal was found by Cheapflights users on 2/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/257:00 am
STL
- MSO
1 stop9h 35m
Hawaiian Airlines
Wed 4/14:23 pm
MSO
- STL
1 stop6h 36m
Hawaiian Airlines
Deal found 2/8![Hawaiian Airlines logo]()
$283
This Delta deal was found by Cheapflights users on 2/8. 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.
Wed 3/253:05 pm
STL
- MSO
1 stop5h 57m
Delta
Wed 4/15:20 am
MSO
- STL
2 stops8h 04m
Delta
Deal found 2/8![Delta logo]()
$317
This United Airlines deal was found by Cheapflights users on 2/7. 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.
Thu 3/265:15 am
STL
- BZN
1 stop5h 27m
United Airlines
Sun 3/2912:39 pm
BZN
- STL
1 stop7h 29m
United Airlines
Deal found 2/7![United Airlines logo]()
$301
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 February 8, 2026.
Search for one-way flight options from St. Louis to Montana. Find affordable one-way fares based on user searches. Data last updated February 8, 2026.
This Delta deal was found by Cheapflights users on 2/6. 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 2/287:00 am
STL
- MSO
1 stop6h 26m
Delta
Deal found 2/6![Delta logo]()
$129
This United Airlines deal was found by Cheapflights users on 2/7. 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.
Fri 5/226:00 am
STL
- FCA
1 stop6h 41m
United Airlines
Deal found 2/7![United Airlines logo]()
$233
This United Airlines deal was found by Cheapflights users on 2/7. 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.
Mon 3/165:15 am
STL
- BIL
1 stop5h 38m
United Airlines
Deal found 2/7![United Airlines logo]()
$234
This United Airlines deal was found by Cheapflights users on 2/6. 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 2/202:45 pm
STL
- MSO
1 stop8h 12m
United Airlines
Deal found 2/6![United Airlines logo]()
$244
This deal was found by Cheapflights users on 2/7. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/65:15 am
STL
- BZN
1 stop5h 27m
United Airlines
Deal found 2/7![United Airlines logo]()
$246
This United Airlines deal was found by Cheapflights users on 2/7. 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 2/286:25 am
STL
- MSO
2 stops8h 07m
United Airlines
Deal found 2/7![United Airlines logo]()
$250
This Alaska Airlines deal was found by Cheapflights users on 2/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/227:56 pm
STL
- FCA
1 stop15h 36m
Alaska Airlines
Deal found 2/8![Alaska Airlines logo]()
$285
This Delta deal was found by Cheapflights users on 2/7. 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.
Mon 3/1610:50 am
STL
- BIL
2 stops10h 29m
Delta
Deal found 2/7![Delta logo]()
$315
This Alaska Airlines deal was found by Cheapflights users on 2/8. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:20 pm
STL
- FCA
2 stops50h 02m
Alaska Airlines
Deal found 2/8![Alaska Airlines logo]()
$442
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/168:10 pm
STL
- BIL
3 stops44h 49m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$498
This American Airlines deal was found by Cheapflights users on 2/8. 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.
Wed 7/155:00 pm
STL
- FCA
1 stop48h 04m
American Airlines
Deal found 2/8![American Airlines logo]()
$516
This Kiwi.com deal was found by Cheapflights users on 2/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/226:20 am
STL
- FCA
3 stops18h 38m
Multiple Airlines
Deal found 2/7![Multiple Airlines logo]()
$610
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 February 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $239 (United Airlines) |
One-way from | $129 (Delta) |
Popular in | March |
Cheapest in | January |
Average price | $462 |
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 February 8, 2026.
Use the filters below to find and compare flights from St. Louis to Montana that are best for you.
Fly from
St. Louis
Fly to
Montana
Route
Depart
Return
Price
St. LouisBozeman
STL - BZN
STLBZN
Lambert-St Louis
Mon 2/23
7:00 am-12:57 pm
1 stop6h 57m
Bozeman Gallatin Field
Fri 2/27
1:36 pm-9:12 pm
1 stop6h 36m
$239
St. LouisBozeman
STL - BZN
STLBZN
Lambert-St Louis
Sat 2/21
4:30 pm-9:07 pm
1 stop5h 37m
Bozeman Gallatin Field
Wed 2/25
12:48 pm-9:05 pm
1 stop7h 17m
$239
St. LouisBozeman
STL - BZN
STLBZN
Lambert-St Louis
Fri 4/17
7:00 am-2:10 pm
1 stop8h 10m
Bozeman Gallatin Field
Tue 4/21
7:00 am-2:51 pm
1 stop6h 51m
$239
St. LouisKalispell
STL - FCA
STLFCA
Lambert-St Louis
Sat 5/23
7:00 am-11:26 am
1 stop5h 26m
Kalispell Glacier Park
Sat 5/30
12:24 pm-9:06 pm
1 stop7h 42m
$257
St. LouisBozeman
STL - BZN
STLBZN
Lambert-St Louis
Mon 2/23
7:00 am-2:08 pm
1 stop8h 08m
Bozeman Gallatin Field
Fri 2/27
3:02 pm-11:59 pm
1 stop7h 57m
$279
St. LouisMissoula
STL - MSO
STLMSO
Lambert-St Louis
Wed 3/25
7:00 am-3:35 pm
1 stop9h 35m
Missoula Johnson-Bell Field
Wed 4/1
4:23 pm-11:59 pm
1 stop6h 36m
$283
St. LouisGreat Falls
STL - GTF
STLGTF
Lambert-St Louis
Wed 3/11
6:32 am-5:42 pm
2 stops12h 10m
Great Falls
Wed 3/18
6:22 pm-12:21 am
1 stop4h 59m
$284
St. LouisBozeman
STL - BZN
STLBZN
Lambert-St Louis
Thu 3/5
7:00 am-10:53 am
1 stop28h 53m
Bozeman Gallatin Field
Mon 3/9
3:02 pm-11:59 pm
1 stop7h 57m
$287
St. LouisMissoula
STL - MSO
STLMSO
Lambert-St Louis
Thu 4/16
6:45 pm-12:16 am
1 stop6h 31m
Missoula Johnson-Bell Field
Sun 4/19
6:18 pm-12:25 am
1 stop5h 07m
$289
St. LouisBozeman
STL - BZN
STLBZN
Lambert-St Louis
Fri 4/17
6:20 am-10:15 am
1 stop4h 55m
Bozeman Gallatin Field
Tue 4/21
8:10 am-6:00 pm
2 stops8h 50m
$290
Showing 1-10 of 43 results
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-BZN
STL-MSO
STL-GTF
STL-FCA
STL-BIL
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-BZN
STL-MSO
STL-GTF
STL-FCA
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 $191). Flying from St. Louis to Montana in December is currently the most expensive (average of $266). 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 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 February 8, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta 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
7.0
Comfort
7.8
Overall
8.0
Crew
8.5
Boarding
8.1
Food
7.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Entertainment
7.0
Comfort
7.8
Overall
8.0
Crew
8.5
Boarding
8.1
Food
7.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Entertainment
7.0
Comfort
7.8
Overall
8.0
Crew
8.5
Boarding
8.1
Food
7.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Entertainment
7.0
Comfort
7.8
Overall
8.0
Crew
8.5
Boarding
8.1
Food
7.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Entertainment
7.0
Comfort
7.8
Overall
8.0
Crew
8.5
Boarding
8.1
Food
7.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
Entertainment
7.0
Comfort
7.8
Overall
8.0
Crew
8.5
Boarding
8.1
Food
7.1
Reviews
1 / 20
10.0
Excellentrobert,Feb 2026
LAS - SAN
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
Complete your trip to Montana by adding a car rental and/or hotel reservation to your travel itinerary.
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St. Louis and Montana flights
Browse other St. Louis and Montana flight options. Last updated on February 8, 2026.
Popular flight searches
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St. Louis to Montana flights
Consider these flights traveling from St. Louis to Montana.
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 February 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$210 | Average$452 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$237 | Average$413 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$256 | Average$397 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$257 | Average$483 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$257 | Average$368 | FlexibilityNo cancel fee | On-time75% |