$121+ 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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — DEN
Aug 1 — Aug 81
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Montana to Colorado 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Montana to Colorado
Cheapest
Best
Last-minute
One-way
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 July 2, 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 July 2, 2026.
This United Airlines deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 7/259:48 am
BTM
- DEN
Nonstop2h 02m
United Airlines
Sat 8/18:29 pm
DEN
- BTM
Nonstop2h 01m
United Airlines
Deal found 6/27![United Airlines logo]()
$225
This United Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” 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 7/1710:15 am
BTM
- DEN
Nonstop2h 02m
United Airlines
Fri 7/248:29 pm
DEN
- BTM
Nonstop2h 01m
United Airlines
Deal found 6/28![United Airlines logo]()
$235
This United Airlines deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 7/255:15 am
COD
- DEN
Nonstop1h 37m
United Airlines
Sat 8/17:50 am
DEN
- COD
Nonstop1h 38m
United Airlines
Deal found 6/27![United Airlines logo]()
$238
This United Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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 9/179:48 am
BTM
- DEN
Nonstop2h 07m
United Airlines
Sun 9/208:25 pm
DEN
- BTM
Nonstop2h 01m
United Airlines
Deal found 6/30![United Airlines logo]()
$241
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/66:10 pm
BTM
- DEN
1 stop4h 45m
Delta
Tue 8/1112:54 pm
DEN
- BTM
1 stop4h 02m
Delta
Deal found 7/1![Delta logo]()
$244
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 7/296:00 pm
BIL
- DEN
Nonstop1h 52m
United Airlines
Wed 8/57:40 pm
DEN
- BIL
Nonstop1h 37m
United Airlines
Deal found 7/1![United Airlines logo]()
$249
This Kiwi.com deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 8/610:24 am
MSO
- DEN
1 stop13h 41m
Multiple Airlines
Sat 8/810:29 pm
DEN
- MSO
1 stop11h 05m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$252
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 7/156:10 pm
BTM
- DEN
1 stop3h 51m
Delta
Tue 7/2812:45 pm
DEN
- BTM
1 stop4h 10m
Delta
Deal found 7/1![Delta logo]()
$254
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 9/25:53 pm
COD
- DEN
Nonstop1h 45m
United Airlines
Sun 9/67:50 am
DEN
- COD
Nonstop1h 40m
United Airlines
Deal found 7/1![United Airlines logo]()
$258
This United Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” 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 7/226:15 am
GTF
- DEN
Nonstop2h 00m
United Airlines
Sun 7/267:38 pm
DEN
- GTF
Nonstop1h 56m
United Airlines
Deal found 6/29![United Airlines logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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 9/285:22 pm
BIL
- DEN
1 stop25h 18m
Multiple Airlines
Fri 10/236:23 am
DEN
- BIL
1 stop10h 38m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 8/610:24 am
MSO
- DEN
1 stop13h 41m
Multiple Airlines
Wed 8/124:25 pm
DEN
- MSO
1 stop17h 09m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$260
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 July 2, 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 July 2, 2026.
This United Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” 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 7/1710:15 am
BTM
- DEN
Nonstop2h 02m
United Airlines
Fri 7/248:29 pm
DEN
- BTM
Nonstop2h 01m
United Airlines
Deal found 6/28![United Airlines logo]()
$235
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 7/166:10 pm
BTM
- DEN
1 stop4h 30m
Delta
Tue 7/2812:45 pm
DEN
- BTM
1 stop4h 10m
Delta
Deal found 7/1![Delta logo]()
$254
This Southwest deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/158:35 am
BZN
- DEN
Nonstop1h 40m
Southwest
Mon 8/1712:15 pm
DEN
- BZN
Nonstop1h 40m
Southwest
Deal found 7/1![Southwest logo]()
$342
This Alaska Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” 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 10/292:03 pm
FCA
- DEN
1 stop8h 18m
Alaska Airlines
Sun 11/17:50 am
DEN
- FCA
1 stop5h 35m
Alaska Airlines
Deal found 6/29![Alaska Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 7/1710:15 am
BTM
- DEN
Nonstop2h 02m
United Airlines
Mon 7/208:29 pm
DEN
- BTM
Nonstop2h 01m
United Airlines
Deal found 6/27![United Airlines logo]()
$235
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/85:15 am
COD
- DEN
Nonstop1h 37m
United Airlines
Sun 8/97:50 am
DEN
- COD
Nonstop1h 38m
United Airlines
Deal found 7/1![United Airlines logo]()
$238
This Delta deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 7/235:20 am
BIL
- DEN
1 stop3h 52m
Delta
Sat 7/253:55 pm
DEN
- BIL
1 stop6h 58m
Delta
Deal found 6/27![Delta logo]()
$269
This United Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” 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 8/910:10 am
COD
- DEN
Nonstop1h 45m
United Airlines
Sun 8/169:09 pm
DEN
- COD
Nonstop1h 36m
United Airlines
Deal found 6/29![United Airlines logo]()
$238
This Delta deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 9/256:33 pm
BIL
- DEN
1 stop4h 07m
Delta
Wed 9/306:06 pm
DEN
- BIL
1 stop4h 28m
Delta
Deal found 6/27![Delta logo]()
$269
This United Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/510:00 am
BTM
- DEN
Nonstop2h 05m
United Airlines
Mon 12/78:25 pm
DEN
- BTM
Nonstop2h 02m
United Airlines
Deal found 6/28![United Airlines logo]()
$241
This Delta deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 8/125:20 am
BIL
- DEN
1 stop3h 54m
Delta
Tue 8/185:35 am
DEN
- BIL
1 stop5h 32m
Delta
Deal found 6/27![Delta logo]()
$269
This Southwest deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/75:05 pm
BZN
- COS
1 stop6h 30m
Southwest
Mon 8/106:45 pm
COS
- BZN
1 stop4h 55m
Southwest
Deal found 7/1![Southwest logo]()
$353
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 7/305:20 am
BIL
- DEN
1 stop3h 52m
Delta
Thu 8/63:56 pm
DEN
- BIL
1 stop6h 29m
Delta
Deal found 7/1![Delta logo]()
$269
This United Airlines deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 8/145:57 pm
BIL
- DEN
Nonstop1h 56m
United Airlines
Sun 8/168:00 am
DEN
- BIL
Nonstop1h 41m
United Airlines
Deal found 6/27![United Airlines logo]()
$249
This Alaska Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 9/265:19 pm
GTF
- DEN
2 stops25h 13m
Alaska Airlines
Wed 9/308:22 am
DEN
- GTF
1 stop8h 17m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$382
This Southwest deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” 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 7/297:00 pm
BZN
- DEN
1 stop5h 10m
Southwest
Thu 7/306:50 pm
DEN
- BZN
2 stops6h 25m
Southwest
Deal found 6/29![Southwest logo]()
$355
This United Airlines deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 7/295:00 am
BIL
- DEN
Nonstop1h 53m
United Airlines
Sun 8/27:40 pm
DEN
- BIL
Nonstop1h 37m
United Airlines
Deal found 6/27![United Airlines logo]()
$249
This Delta deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 9/46:18 pm
GTF
- DEN
1 stop4h 37m
Delta
Thu 9/107:05 am
DEN
- GTF
1 stop5h 30m
Delta
Deal found 6/27![Delta logo]()
$278
This United Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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 7/317:00 am
BIL
- DEN
Nonstop1h 50m
United Airlines
Fri 8/77:40 pm
DEN
- BIL
Nonstop1h 37m
United Airlines
Deal found 6/30![United Airlines logo]()
$249
This Delta deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” 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 9/186:21 pm
GTF
- DEN
1 stop4h 19m
Delta
Sun 9/205:30 am
DEN
- GTF
1 stop7h 05m
Delta
Deal found 6/28![Delta logo]()
$278
This Alaska Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/185:09 pm
GTF
- DEN
1 stop5h 36m
Alaska Airlines
Tue 8/258:06 pm
DEN
- GTF
2 stops44h 32m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$409
This Southwest deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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 7/1510:25 am
BZN
- DEN
Nonstop1h 40m
Southwest
Wed 7/225:05 pm
DEN
- BZN
1 stop7h 45m
Southwest
Deal found 6/30![Southwest logo]()
$380
This United Airlines deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 7/235:00 am
BIL
- DEN
Nonstop1h 53m
United Airlines
Sun 7/267:40 pm
DEN
- BIL
Nonstop1h 37m
United Airlines
Deal found 6/27![United Airlines logo]()
$249
This Southwest deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 7/171:50 pm
BZN
- DEN
1 stop6h 50m
Southwest
Sat 7/259:05 pm
DEN
- BZN
Nonstop1h 50m
Southwest
Deal found 7/1![Southwest logo]()
$380
This Delta deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 8/275:30 am
MSO
- DEN
1 stop3h 44m
Delta
Sat 8/297:05 am
DEN
- MSO
1 stop5h 31m
Delta
Deal found 6/27![Delta logo]()
$289
This United Airlines deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 7/307:00 am
BIL
- DEN
Nonstop1h 50m
United Airlines
Sun 8/28:26 pm
DEN
- BIL
Nonstop1h 44m
United Airlines
Deal found 6/27![United Airlines logo]()
$249
This Delta deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” 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 10/97:15 am
HLN
- DEN
1 stop4h 50m
Delta
Mon 10/128:06 am
DEN
- HLN
1 stop4h 17m
Delta
Deal found 6/28![Delta logo]()
$289
This Southwest deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” 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 7/2410:15 am
BZN
- DEN
1 stop5h 20m
Southwest
Sat 7/257:45 am
DEN
- BZN
2 stops8h 35m
Southwest
Deal found 6/29![Southwest logo]()
$404
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 9/25:53 pm
COD
- DEN
Nonstop1h 45m
United Airlines
Sun 9/67:50 am
DEN
- COD
Nonstop1h 40m
United Airlines
Deal found 7/1![United Airlines logo]()
$258
This Delta deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” 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 9/256:00 pm
FCA
- DEN
1 stop4h 40m
Delta
Tue 9/295:30 am
DEN
- FCA
1 stop6h 17m
Delta
Deal found 6/28![Delta logo]()
$289
Last-minute flights from Montana to ColoradoDiscover last-minute flight deals from Montana to Colorado. Data last updated July 2, 2026 and is based on user searches.
Discover last-minute flight deals from Montana to Colorado. Data last updated July 2, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 7/156:10 pm
BTM
- DEN
1 stop3h 51m
Delta
Sat 7/2512:45 pm
DEN
- BTM
1 stop4h 10m
Delta
Deal found 7/1![Delta logo]()
$254
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 7/156:10 pm
BTM
- DEN
1 stop3h 51m
Delta
Mon 7/2712:45 pm
DEN
- BTM
1 stop4h 10m
Delta
Deal found 7/1![Delta logo]()
$264
This United Airlines deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 7/165:00 am
BIL
- DEN
Nonstop1h 53m
United Airlines
Sat 7/187:05 pm
DEN
- BIL
Nonstop1h 37m
United Airlines
Deal found 6/27![United Airlines logo]()
$264
This United Airlines deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” 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 7/1710:15 am
BTM
- DEN
Nonstop2h 02m
United Airlines
Fri 7/248:29 pm
DEN
- BTM
Nonstop2h 01m
United Airlines
Deal found 6/28![United Airlines logo]()
$235
This United Airlines deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” 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 7/226:15 am
GTF
- DEN
Nonstop2h 00m
United Airlines
Sun 7/267:38 pm
DEN
- GTF
Nonstop1h 56m
United Airlines
Deal found 6/29![United Airlines logo]()
$259
This United Airlines deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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 7/226:00 pm
BIL
- DEN
Nonstop1h 52m
United Airlines
Wed 7/297:40 pm
DEN
- BIL
Nonstop1h 37m
United Airlines
Deal found 6/30![United Airlines logo]()
$261
This United Airlines deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 7/259:48 am
BTM
- DEN
Nonstop2h 02m
United Airlines
Sat 8/18:29 pm
DEN
- BTM
Nonstop2h 01m
United Airlines
Deal found 6/27![United Airlines logo]()
$225
This United Airlines deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 7/255:15 am
COD
- DEN
Nonstop1h 37m
United Airlines
Sat 8/17:50 am
DEN
- COD
Nonstop1h 38m
United Airlines
Deal found 6/27![United Airlines logo]()
$238
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 7/296:00 pm
BIL
- DEN
Nonstop1h 52m
United Airlines
Wed 8/57:40 pm
DEN
- BIL
Nonstop1h 37m
United Airlines
Deal found 7/1![United Airlines logo]()
$249
This Delta deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/66:10 pm
BTM
- DEN
1 stop4h 45m
Delta
Tue 8/1112:54 pm
DEN
- BTM
1 stop4h 02m
Delta
Deal found 7/1![Delta logo]()
$244
This Kiwi.com deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 8/610:24 am
MSO
- DEN
1 stop13h 41m
Multiple Airlines
Sat 8/810:29 pm
DEN
- MSO
1 stop11h 05m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 6/27. Clicking the “Pick Dates” 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 8/610:24 am
MSO
- DEN
1 stop13h 41m
Multiple Airlines
Wed 8/124:25 pm
DEN
- MSO
1 stop17h 09m
Multiple Airlines
Deal found 6/27![Multiple Airlines logo]()
$260
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 July 2, 2026.
Search for one-way flight options from Montana to Colorado. Find affordable one-way fares based on user searches. Data last updated July 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” 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 8/239:06 pm
BZN
- DEN
1 stop6h 42m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 6/28. Clicking the “Pick Dates” 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 9/279:42 pm
BZN
- DEN
1 stop16h 07m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$132
This Kiwi.com deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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 8/1410:19 am
GTF
- DEN
1 stop22h 46m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$134
This Kiwi.com deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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 8/173:46 pm
BZN
- DEN
1 stop25h 24m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$135
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 42m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$137
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 7/256:30 am
BZN
- DEN
Nonstop1h 54m
United Airlines
Deal found 7/1![United Airlines logo]()
$141
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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 8/134:51 pm
BZN
- DEN
1 stop7h 14m
Multiple Airlines
Deal found 7/1![Multiple Airlines logo]()
$143
This Priceline deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” 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.
Tue 8/185:09 pm
HLN
- DEN
1 stop5h 36m
Alaska Airlines
Deal found 7/1![Alaska Airlines logo]()
$145
This Kiwi.com deal was found by Cheapflights users on 6/26. Clicking the “Pick Dates” 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 9/288:46 pm
FCA
- DEN
1 stop7h 06m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$146
This Delta deal was found by Cheapflights users on 6/29. Clicking the “Pick Dates” 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 7/256:00 pm
BZN
- DEN
1 stop4h 01m
Delta
Deal found 6/29![Delta logo]()
$150
This Southwest deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” 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 7/287:00 pm
BZN
- DEN
1 stop5h 10m
Southwest
Deal found 6/30![Southwest logo]()
$151
This Southwest deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1311:25 am
BZN
- DEN
Nonstop1h 40m
Southwest
Deal found 7/1![Southwest logo]()
$153
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 July 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $225 (United Airlines) |
One-way from | $121 (Kiwi.com) |
Popular in | July |
Cheapest in | December |
Average price | $390 |
Good round-trip deal | $328 or less |
Good one-way deal | $222 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 July 2, 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
Fri 7/17
10:15 am-12:17 pm
Nonstop2h 02m
Denver Intl
Fri 7/24
8:29 pm-10:30 pm
Nonstop2h 01m
$235
ButteDenver
BTM - DEN
BTMDEN
Butte Silver Bow Co
Fri 7/17
10:15 am-12:17 pm
Nonstop2h 02m
Denver Intl
Mon 7/20
8:29 pm-10:30 pm
Nonstop2h 01m
$235
Quickest round-trip
CodyDenver
COD - DEN
CODDEN
Cody E.E. Faust
Sat 8/8
5:15 am-6:52 am
Nonstop1h 37m
Denver Intl
Sun 8/9
7:50 am-9:28 am
Nonstop1h 38m
$238
CodyDenver
COD - DEN
CODDEN
Cody E.E. Faust
Sun 8/9
10:10 am-11:55 am
Nonstop1h 45m
Denver Intl
Sun 8/16
9:09 pm-10:45 pm
Nonstop1h 36m
$238
ButteDenver
BTM - DEN
BTMDEN
Butte Silver Bow Co
Sat 12/5
10:00 am-12:05 pm
Nonstop2h 05m
Denver Intl
Mon 12/7
8:25 pm-10:27 pm
Nonstop2h 02m
$241
BillingsDenver
BIL - DEN
BILDEN
Billings Logan Intl
Fri 8/14
5:57 pm-7:53 pm
Nonstop1h 56m
Denver Intl
Sun 8/16
8:00 am-9:41 am
Nonstop1h 41m
$249
BillingsDenver
BIL - DEN
BILDEN
Billings Logan Intl
Wed 7/29
5:00 am-6:53 am
Nonstop1h 53m
Denver Intl
Sun 8/2
7:40 pm-9:17 pm
Nonstop1h 37m
$249
BillingsDenver
BIL - DEN
BILDEN
Billings Logan Intl
Fri 7/31
7:00 am-8:50 am
Nonstop1h 50m
Denver Intl
Fri 8/7
7:40 pm-9:17 pm
Nonstop1h 37m
$249
BillingsDenver
BIL - DEN
BILDEN
Billings Logan Intl
Thu 7/23
5:00 am-6:53 am
Nonstop1h 53m
Denver Intl
Sun 7/26
7:40 pm-9:17 pm
Nonstop1h 37m
$249
BillingsDenver
BIL - DEN
BILDEN
Billings Logan Intl
Thu 7/30
7:00 am-8:50 am
Nonstop1h 50m
Denver Intl
Sun 8/2
8:26 pm-10:10 pm
Nonstop1h 44m
$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.
BTM-DEN
BZN-DEN
FCA-DEN
COD-DEN
BIL-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
BTM-DEN
BZN-DEN
FCA-DEN
COD-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 July 2, 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.
Weekly flight availability from Montana to Colorado
Explore weekly flight availability from Montana to Colorado. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 2, 2026.
The most flights from USMT to USCO are scheduled on a Monday (13 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).
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 58 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 July 2, 2026.
Read through reviews of airlines operating flights from Montana to Colorado, such as Southwest,Delta, andUnited Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Overall
7.9
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Overall
7.9
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Overall
7.9
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Overall
7.9
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Overall
7.9
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Crew
8.6
Overall
7.9
Food
7.0
Boarding
8.1
Entertainment
7.5
Comfort
8.0
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
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 July 2, 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 July 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$58 | Average$158 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$171 | Average$333 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$173 | Average$394 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$199 | Average$349 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$209 | Average$330 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$248 | Average$308 | FlexibilityNo cancel fee | On-time75% |