$114+ Cheap flights from Montana to Colorado
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — DEN
Jun 19 — Jun 261
Round-trip
1 adult, Economy
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Cheapest flights from Montana to ColoradoExplore the most affordable flight options available from Montana to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 20, 2026.
Explore the most affordable flight options available from Montana to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 20, 2026.
This United Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/910:15 am
BTM
- DEN
Nonstop2h 02m
United Airlines
Tue 6/168:29 pm
DEN
- BTM
Nonstop2h 01m
United Airlines
Deal found 5/18![United Airlines logo]()
$205
This Delta deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 8/76:10 pm
BTM
- DEN
1 stop4h 40m
Delta
Sun 8/912:54 pm
DEN
- BTM
1 stop4h 02m
Delta
Deal found 5/15![Delta logo]()
$224
This United Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3010:15 am
BTM
- DEN
Nonstop2h 02m
United Airlines
Wed 6/38:29 pm
DEN
- BTM
Nonstop2h 01m
United Airlines
Deal found 5/15![United Airlines logo]()
$225
This United Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 11/1210:00 am
BTM
- DEN
Nonstop2h 05m
United Airlines
Sun 11/158:25 pm
DEN
- BTM
Nonstop2h 02m
United Airlines
Deal found 5/18![United Airlines logo]()
$226
This United Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 10/2410:00 am
BTM
- DEN
Nonstop2h 05m
United Airlines
Wed 10/288:25 pm
DEN
- BTM
Nonstop2h 02m
United Airlines
Deal found 5/17![United Airlines logo]()
$245
This United Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 6/126:00 pm
BIL
- DEN
Nonstop1h 52m
United Airlines
Fri 6/191:45 pm
DEN
- BIL
Nonstop1h 44m
United Airlines
Deal found 5/15![United Airlines logo]()
$249
This United Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/146:00 pm
BIL
- DEN
Nonstop1h 52m
United Airlines
Sun 6/217:55 am
DEN
- BIL
Nonstop1h 40m
United Airlines
Deal found 5/15![United Airlines logo]()
$258
This United Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/266:15 am
GTF
- DEN
Nonstop2h 00m
United Airlines
Sun 6/287:38 pm
DEN
- GTF
Nonstop1h 56m
United Airlines
Deal found 5/18![United Airlines logo]()
$259
This United Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:00 pm
BIL
- DEN
Nonstop1h 52m
United Airlines
Sat 6/67:55 am
DEN
- BIL
Nonstop1h 40m
United Airlines
Deal found 5/15![United Airlines logo]()
$264
This Kiwi.com deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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 7/2010:19 am
GTF
- DEN
1 stop17h 37m
Multiple Airlines
Sun 7/2610:29 pm
DEN
- GTF
1 stop11h 00m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$268
This United Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 6/135:20 pm
MSO
- DEN
Nonstop2h 20m
United Airlines
Mon 6/157:25 pm
DEN
- MSO
Nonstop2h 09m
United Airlines
Deal found 5/17![United Airlines logo]()
$269
This United Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/156:15 am
HLN
- DEN
Nonstop1h 58m
United Airlines
Sun 6/2111:30 am
DEN
- HLN
Nonstop2h 03m
United Airlines
Deal found 5/18![United Airlines logo]()
$269
Best flights from Montana to ColoradoDiscover carefully curated flight deals from Montana to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 20, 2026.
Discover carefully curated flight deals from Montana to Colorado that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 20, 2026.
This United Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/910:15 am
BTM
- DEN
Nonstop2h 02m
United Airlines
Tue 6/168:29 pm
DEN
- BTM
Nonstop2h 01m
United Airlines
Deal found 5/18![United Airlines logo]()
$205
This Delta deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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 8/76:10 pm
BTM
- DEN
1 stop4h 40m
Delta
Sun 8/912:54 pm
DEN
- BTM
1 stop4h 02m
Delta
Deal found 5/16![Delta logo]()
$224
This Southwest deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 8/213:30 pm
BZN
- COS
1 stop6h 15m
Southwest
Sun 8/234:50 pm
COS
- BZN
1 stop5h 50m
Southwest
Deal found 5/17![Southwest logo]()
$349
This Alaska Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 7/15:09 pm
HLN
- DEN
1 stop5h 36m
Alaska Airlines
Wed 7/86:02 am
DEN
- HLN
1 stop10h 30m
Alaska Airlines
Deal found 5/17![Alaska Airlines logo]()
$352
This Delta deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 6/126:10 pm
BTM
- DEN
1 stop4h 31m
Delta
Fri 6/1912:45 pm
DEN
- BTM
1 stop4h 12m
Delta
Deal found 5/15![Delta logo]()
$224
This United Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3010:15 am
BTM
- DEN
Nonstop2h 02m
United Airlines
Wed 6/38:29 pm
DEN
- BTM
Nonstop2h 01m
United Airlines
Deal found 5/15![United Airlines logo]()
$225
This United Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 11/1210:00 am
BTM
- DEN
Nonstop2h 05m
United Airlines
Sun 11/158:25 pm
DEN
- BTM
Nonstop2h 02m
United Airlines
Deal found 5/18![United Airlines logo]()
$226
This Delta deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 7/166:34 pm
BIL
- DEN
1 stop4h 06m
Delta
Mon 7/207:05 am
DEN
- BIL
1 stop4h 04m
Delta
Deal found 5/17![Delta logo]()
$269
This United Airlines deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 10/2410:00 am
BTM
- DEN
Nonstop2h 05m
United Airlines
Wed 10/288:25 pm
DEN
- BTM
Nonstop2h 02m
United Airlines
Deal found 5/19![United Airlines logo]()
$245
This Delta deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 8/206:34 pm
BIL
- DEN
1 stop4h 16m
Delta
Sun 8/236:48 am
DEN
- BIL
1 stop4h 19m
Delta
Deal found 5/19![Delta logo]()
$269
This United Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 6/126:00 pm
BIL
- DEN
Nonstop1h 52m
United Airlines
Fri 6/191:45 pm
DEN
- BIL
Nonstop1h 44m
United Airlines
Deal found 5/15![United Airlines logo]()
$249
This Alaska Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 10/313:35 pm
BZN
- DEN
1 stop6h 01m
Alaska Airlines
Mon 11/26:31 pm
DEN
- BZN
1 stop15h 16m
Alaska Airlines
Deal found 5/17![Alaska Airlines logo]()
$353
This Southwest deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/302:55 pm
BZN
- COS
1 stop5h 50m
Southwest
Wed 6/36:50 pm
COS
- BZN
1 stop5h 25m
Southwest
Deal found 5/15![Southwest logo]()
$359
This Delta deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 7/36:40 pm
BIL
- GJT
1 stop3h 14m
Delta
Mon 7/67:33 am
GJT
- BIL
1 stop3h 26m
Delta
Deal found 5/19![Delta logo]()
$271
This United Airlines deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 8/207:00 am
BIL
- DEN
Nonstop1h 47m
United Airlines
Mon 8/248:00 am
DEN
- BIL
Nonstop1h 41m
United Airlines
Deal found 5/19![United Airlines logo]()
$249
This Southwest deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/157:15 pm
BZN
- COS
1 stop6h 00m
Southwest
Sun 6/217:05 pm
COS
- BZN
1 stop5h 05m
Southwest
Deal found 5/17![Southwest logo]()
$363
This Alaska Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/112:10 pm
FCA
- DEN
1 stop9h 20m
Alaska Airlines
Mon 6/156:00 am
DEN
- FCA
1 stop6h 30m
Alaska Airlines
Deal found 5/18![Alaska Airlines logo]()
$364
This United Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 8/125:00 am
BIL
- DEN
Nonstop1h 53m
United Airlines
Tue 8/258:00 am
DEN
- BIL
Nonstop1h 41m
United Airlines
Deal found 5/15![United Airlines logo]()
$249
This Delta deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 9/186:20 pm
GTF
- DEN
1 stop4h 11m
Delta
Sun 9/207:05 am
DEN
- GTF
1 stop5h 18m
Delta
Deal found 5/18![Delta logo]()
$278
This United Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 10/307:00 am
BIL
- DEN
Nonstop1h 39m
United Airlines
Mon 11/27:18 pm
DEN
- BIL
Nonstop1h 33m
United Airlines
Deal found 5/15![United Airlines logo]()
$249
This Alaska Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 8/165:09 pm
GTF
- DEN
1 stop6h 50m
Alaska Airlines
Wed 8/197:28 pm
DEN
- GTF
1 stop21h 10m
Alaska Airlines
Deal found 5/15![Alaska Airlines logo]()
$368
This Southwest deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/177:45 am
BZN
- DEN
Nonstop1h 40m
Southwest
Fri 6/196:50 pm
DEN
- BZN
2 stops6h 20m
Southwest
Deal found 5/18![Southwest logo]()
$375
This Delta deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 6/175:31 am
MSO
- DEN
1 stop3h 47m
Delta
Sat 6/276:21 pm
DEN
- MSO
1 stop4h 51m
Delta
Deal found 5/19![Delta logo]()
$289
This Alaska Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 8/165:09 pm
HLN
- DEN
1 stop6h 50m
Alaska Airlines
Wed 8/198:22 am
DEN
- HLN
1 stop8h 12m
Alaska Airlines
Deal found 5/17![Alaska Airlines logo]()
$377
This United Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 6/196:00 pm
BIL
- DEN
Nonstop1h 52m
United Airlines
Sun 6/217:55 am
DEN
- BIL
Nonstop1h 40m
United Airlines
Deal found 5/15![United Airlines logo]()
$258
This Delta deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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 9/25:40 am
MSO
- DEN
1 stop3h 57m
Delta
Sat 9/56:25 pm
DEN
- MSO
1 stop4h 49m
Delta
Deal found 5/16![Delta logo]()
$289
This Southwest deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/167:10 pm
BZN
- DEN
1 stop4h 55m
Southwest
Fri 6/196:50 pm
DEN
- BZN
2 stops6h 20m
Southwest
Deal found 5/18![Southwest logo]()
$385
This Alaska Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/304:43 pm
HLN
- DEN
1 stop7h 16m
Alaska Airlines
Wed 6/39:00 am
DEN
- HLN
1 stop7h 06m
Alaska Airlines
Deal found 5/15![Alaska Airlines logo]()
$379
This Delta deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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 10/35:45 am
HLN
- DEN
1 stop6h 09m
Delta
Mon 10/55:40 am
DEN
- HLN
1 stop6h 43m
Delta
Deal found 5/16![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 6/66:00 pm
BIL
- DEN
Nonstop1h 52m
United Airlines
Sat 6/137:55 am
DEN
- BIL
Nonstop1h 40m
United Airlines
Deal found 5/17![United Airlines logo]()
$264
Last-minute flights from Montana to ColoradoDiscover last-minute flight deals from Montana to Colorado. Data last updated May 20, 2026 and is based on user searches.
Discover last-minute flight deals from Montana to Colorado. Data last updated May 20, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/3010:15 am
BTM
- DEN
Nonstop2h 02m
United Airlines
Wed 6/38:29 pm
DEN
- BTM
Nonstop2h 01m
United Airlines
Deal found 5/15![United Airlines logo]()
$225
This United Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/306:00 pm
BIL
- DEN
Nonstop1h 52m
United Airlines
Sat 6/67:55 am
DEN
- BIL
Nonstop1h 40m
United Airlines
Deal found 5/15![United Airlines logo]()
$264
This Delta deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 5/303:15 pm
BTM
- DEN
1 stop4h 00m
Delta
Wed 6/312:35 pm
DEN
- BTM
1 stop4h 23m
Delta
Deal found 5/15![Delta logo]()
$279
This United Airlines deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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 6/36:15 am
GTF
- DEN
Nonstop2h 00m
United Airlines
Wed 6/107:38 pm
DEN
- GTF
Nonstop1h 56m
United Airlines
Deal found 5/16![United Airlines logo]()
$279
This United Airlines deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 6/45:00 am
BIL
- DEN
Nonstop1h 50m
United Airlines
Mon 6/87:40 pm
DEN
- BIL
Nonstop1h 37m
United Airlines
Deal found 5/19![United Airlines logo]()
$279
This Delta deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 6/105:20 am
BIL
- DEN
1 stop3h 58m
Delta
Sat 6/136:21 pm
DEN
- BIL
1 stop4h 30m
Delta
Deal found 5/15![Delta logo]()
$269
This United Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 6/126:00 pm
BIL
- DEN
Nonstop1h 52m
United Airlines
Fri 6/191:45 pm
DEN
- BIL
Nonstop1h 44m
United Airlines
Deal found 5/15![United Airlines logo]()
$249
This United Airlines deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 6/135:20 pm
MSO
- DEN
Nonstop2h 20m
United Airlines
Mon 6/157:25 pm
DEN
- MSO
Nonstop2h 09m
United Airlines
Deal found 5/17![United Airlines logo]()
$269
This United Airlines deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/146:00 pm
BIL
- DEN
Nonstop1h 52m
United Airlines
Sun 6/217:55 am
DEN
- BIL
Nonstop1h 40m
United Airlines
Deal found 5/15![United Airlines logo]()
$258
This United Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/156:15 am
HLN
- DEN
Nonstop1h 58m
United Airlines
Sun 6/2111:30 am
DEN
- HLN
Nonstop2h 03m
United Airlines
Deal found 5/18![United Airlines logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 6/2011:15 am
MSO
- DEN
1 stop10h 31m
Multiple Airlines
Wed 6/2410:29 pm
DEN
- MSO
1 stop11h 06m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$271
This United Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 6/266:15 am
GTF
- DEN
Nonstop2h 00m
United Airlines
Sun 6/287:38 pm
DEN
- GTF
Nonstop1h 56m
United Airlines
Deal found 5/18![United Airlines logo]()
$259
One-way flights from Montana to ColoradoSearch for one-way flight options from Montana to Colorado. Find affordable one-way fares based on user searches. Data last updated May 20, 2026.
Search for one-way flight options from Montana to Colorado. Find affordable one-way fares based on user searches. Data last updated May 20, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/15. Clicking the “Pick Dates” 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 5/278:18 pm
BZN
- DEN
1 stop11h 50m
Multiple Airlines
Deal found 5/15![Multiple Airlines logo]()
$114
This Kiwi.com deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” 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 6/1910:04 am
BZN
- DEN
1 stop23h 33m
Multiple Airlines
Deal found 5/17![Multiple Airlines logo]()
$116
This Kiwi.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 9/145:22 pm
BIL
- DEN
1 stop10h 30m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/309:06 pm
BZN
- DEN
1 stop6h 52m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 6/2910:31 am
FCA
- DEN
1 stop22h 59m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$122
This Kiwi.com deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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 7/103:43 pm
BZN
- DEN
1 stop17h 56m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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 7/411:15 am
MSO
- DEN
1 stop10h 31m
Multiple Airlines
Deal found 5/18![Multiple Airlines logo]()
$129
This Expedia deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” 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.
Thu 6/112:10 pm
FCA
- DEN
1 stop9h 20m
Alaska Airlines
Deal found 5/18![Alaska Airlines logo]()
$130
This Kiwi.com deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/94:51 pm
BZN
- DEN
2 stops41h 10m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” 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 6/2510:25 am
MSO
- DEN
1 stop11h 17m
Multiple Airlines
Deal found 5/19![Multiple Airlines logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/144:47 pm
BZN
- DEN
1 stop11h 11m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 5/16. Clicking the “Pick Dates” 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.
Tue 5/262:41 pm
BIL
- DEN
1 stop23h 19m
Multiple Airlines
Deal found 5/16![Multiple Airlines logo]()
$137
Find flight deals from Montana to Colorado
Keep the following information in mind while searching for Montana to Colorado flight deals. Data was last updated May 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $205 (United Airlines) |
One-way from | $114 (Kiwi.com) |
Popular in | July |
Cheapest in | December |
Average price | $365 |
Good round-trip deal | $359 or less |
Good one-way deal | $199 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Montana to Colorado 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 May 20, 2026.
Use the filters below to find and compare flights from Montana to Colorado that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ButteDenver
BTM - DEN
BTMDEN
Butte Silver Bow Co
Tue 6/9
10:15 am-12:17 pm
Nonstop2h 02m
Denver Intl
Tue 6/16
8:29 pm-10:30 pm
Nonstop2h 01m
$205
ButteDenver
BTM - DEN
BTMDEN
Butte Silver Bow Co
Fri 8/7
6:10 pm-10:50 pm
1 stop4h 40m
Denver Intl
Sun 8/9
12:54 pm-4:56 pm
1 stop4h 02m
$224
ButteDenver
BTM - DEN
BTMDEN
Butte Silver Bow Co
Fri 6/12
6:10 pm-10:41 pm
1 stop4h 31m
Denver Intl
Fri 6/19
12:45 pm-4:57 pm
1 stop4h 12m
$224
ButteDenver
BTM - DEN
BTMDEN
Butte Silver Bow Co
Sat 5/30
10:15 am-12:17 pm
Nonstop2h 02m
Denver Intl
Wed 6/3
8:29 pm-10:30 pm
Nonstop2h 01m
$225
ButteDenver
BTM - DEN
BTMDEN
Butte Silver Bow Co
Thu 11/12
10:00 am-12:05 pm
Nonstop2h 05m
Denver Intl
Sun 11/15
8:25 pm-10:27 pm
Nonstop2h 02m
$226
ButteDenver
BTM - DEN
BTMDEN
Butte Silver Bow Co
Sat 10/24
10:00 am-12:05 pm
Nonstop2h 05m
Denver Intl
Wed 10/28
8:25 pm-10:27 pm
Nonstop2h 02m
$245
BillingsDenver
BIL - DEN
BILDEN
Billings Logan Intl
Fri 6/12
6:00 pm-7:52 pm
Nonstop1h 52m
Denver Intl
Fri 6/19
1:45 pm-3:29 pm
Nonstop1h 44m
$249
BillingsDenver
BIL - DEN
BILDEN
Billings Logan Intl
Thu 8/20
7:00 am-8:47 am
Nonstop1h 47m
Denver Intl
Mon 8/24
8:00 am-9:41 am
Nonstop1h 41m
$249
BillingsDenver
BIL - DEN
BILDEN
Billings Logan Intl
Wed 8/12
5:00 am-6:53 am
Nonstop1h 53m
Denver Intl
Tue 8/25
8:00 am-9:41 am
Nonstop1h 41m
$249
Quickest round-trip
BillingsDenver
BIL - DEN
BILDEN
Billings Logan Intl
Fri 10/30
7:00 am-8:39 am
Nonstop1h 39m
Denver Intl
Mon 11/2
7:18 pm-8:51 pm
Nonstop1h 33m
$249
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Montana to Colorado
Have a flexible travel schedule? Discover the best time to fly to Colorado from Montana with our price prediction graph.
BZN-DEN
BIL-DEN
FCA-DEN
MSO-DEN
GTF-DEN
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 Montana to Colorado
USMT-USCO
BZN-DEN
BIL-DEN
FCA-DEN
MSO-DEN
What is the cheapest month to book a flight from Montana to Colorado?
Currently, October is the cheapest month in which you can book a flight from Montana to Colorado (average of $58). Flying from Montana to Colorado in February is currently the most expensive (average of $198). 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.
What is the cheapest time of day to fly from MT to CO?
Find hourly flight availability from Montana to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 20, 2026.
One of the essential ways to save on airfare from Montana to Colorado is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 42% on airfare.
How much does it cost to fly round-trip from Montana to Colorado?
How far ahead should I book a flight from Montana to Colorado?
The price you pay for your flight from Montana to Colorado may vary depending on when you book. For the best chance of a lower fare, look to book 44 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing Colorado
Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated May 20, 2026.
Read through reviews of airlines operating flights from Montana to Colorado, such as Alaska Airlines,Southwest, andDelta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Boarding
8.1
Overall
7.9
Comfort
7.8
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Food
7.0
Boarding
8.1
Overall
7.9
Comfort
7.8
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Food
7.0
Boarding
8.1
Overall
7.9
Comfort
7.8
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Food
7.0
Boarding
8.1
Overall
7.9
Comfort
7.8
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Food
7.0
Boarding
8.1
Overall
7.9
Comfort
7.8
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Food
7.0
Boarding
8.1
Overall
7.9
Comfort
7.8
Entertainment
7.0
Crew
8.5
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Related info for your journey
Find useful and relevant information for your journey from Montana to Colorado. 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 Montana to Colorado
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Colorado by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Montana to Colorado by cabin class
Find flights from Montana to Colorado, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Montana and Colorado flights
Browse other Montana and Colorado flight options. Last updated on May 20, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Colorado
Find the right flight back to Montana after your stay in Colorado
Montana to Colorado flights
Consider these flights traveling from Montana to Colorado.
Top 6 airlines flying from Montana to Colorado
Discover the top 6 airlines that operate flights from Montana to Colorado. 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 May 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$63 | Average$160 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$170 | Average$406 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$171 | Average$320 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$184 | Average$268 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$199 | Average$349 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$216 | Average$322 | FlexibilityNo cancel fee | On-time63% |