$191+ Cheap flights from Colorado to Montreal (YMQ)
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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YMQ
Jul 14 — Jul 211
Round-trip
1 adult, Economy
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Find cheap flights from Colorado to Montreal with Cheapflights
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Cheapest flights from Colorado to MontrealExplore the most affordable flight options available from Colorado to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 14, 2026.
Explore the most affordable flight options available from Colorado to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 9/112:15 pm
DEN
- YUL
1 stop9h 30m
Multiple Airlines
Tue 9/810:35 am
YUL
- DEN
2 stops28h 25m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$425
This Justfly.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/412:15 pm
DEN
- YUL
1 stop9h 30m
WestJet
Sun 9/68:00 pm
YUL
- DEN
1 stop17h 20m
WestJet
Deal found 6/12![WestJet logo]()
$429
This Kiwi.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 8/2712:15 pm
DEN
- YUL
1 stop9h 30m
WestJet
Thu 9/38:00 pm
YUL
- DEN
1 stop17h 20m
WestJet
Deal found 6/9![WestJet logo]()
$436
This Trip.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 7/2212:15 pm
DEN
- YUL
1 stop9h 30m
WestJet
Tue 7/287:15 am
YUL
- DEN
1 stop30h 05m
WestJet
Deal found 6/13![WestJet logo]()
$437
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/2812:15 pm
DEN
- YUL
1 stop9h 30m
WestJet
Tue 8/48:00 pm
YUL
- DEN
1 stop17h 20m
WestJet
Deal found 6/10![WestJet logo]()
$438
This Trip.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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.
Tue 8/1112:15 pm
DEN
- YUL
1 stop9h 30m
WestJet
Mon 8/178:00 pm
YUL
- DEN
1 stop17h 20m
WestJet
Deal found 6/13![WestJet logo]()
$439
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/2212:15 pm
DEN
- YUL
1 stop9h 30m
WestJet
Mon 7/278:00 pm
YUL
- DEN
1 stop17h 20m
WestJet
Deal found 6/10![WestJet logo]()
$440
This Kiwi.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 9/412:15 pm
DEN
- YUL
1 stop16h 50m
Multiple Airlines
Tue 9/810:35 am
YUL
- DEN
2 stops28h 25m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$444
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 8/2012:15 pm
DEN
- YUL
1 stop9h 30m
Multiple Airlines
Mon 8/248:00 pm
YUL
- DEN
2 stops29h 53m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$445
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/1812:15 pm
DEN
- YUL
1 stop9h 30m
WestJet
Wed 7/228:00 pm
YUL
- DEN
1 stop17h 20m
WestJet
Deal found 6/10![WestJet logo]()
$446
This American Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/203:51 pm
COS
- YUL
1 stop20h 53m
American Airlines
Tue 8/2510:31 am
YUL
- COS
2 stops14h 22m
American Airlines
Deal found 6/9![American Airlines logo]()
$585
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/2211:10 am
COS
- YUL
1 stop10h 30m
Delta
Wed 7/2912:44 pm
YUL
- COS
1 stop10h 23m
Delta
Deal found 6/10![Delta logo]()
$587
Best flights from Colorado to MontrealDiscover carefully curated flight deals from Colorado to Montreal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 14, 2026.
Discover carefully curated flight deals from Colorado to Montreal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 14, 2026.
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/203:51 pm
COS
- YUL
1 stop20h 53m
American Airlines
Tue 8/2510:31 am
YUL
- COS
2 stops14h 22m
American Airlines
Deal found 6/10![American Airlines logo]()
$585
This Delta deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 7/2211:10 am
COS
- YUL
1 stop10h 30m
Delta
Wed 7/2912:44 pm
YUL
- COS
1 stop10h 23m
Delta
Deal found 6/13![Delta logo]()
$587
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 9/287:10 pm
DEN
- YUL
1 stop14h 50m
United Airlines
Thu 10/89:45 am
YUL
- DEN
1 stop16h 09m
United Airlines
Deal found 6/11![United Airlines logo]()
$642
This United deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:00 am
DEN
- YUL
1 stop6h 40m
Multiple Airlines
Tue 10/138:15 am
YUL
- DEN
Nonstop4h 16m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$662
This American Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/62:12 pm
DEN
- YUL
1 stop19h 08m
American Airlines
Sat 10/101:01 pm
YUL
- DEN
1 stop9h 45m
American Airlines
Deal found 6/14![American Airlines logo]()
$600
This Delta deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/229:30 am
DEN
- YUL
2 stops12h 27m
Delta
Sat 9/266:00 am
YUL
- DEN
2 stops13h 16m
Delta
Deal found 6/13![Delta logo]()
$604
This United deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/78:51 am
DEN
- YUL
1 stop6h 39m
Multiple Airlines
Wed 10/214:30 pm
YUL
- DEN
Nonstop4h 16m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$662
This Delta deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:30 am
DEN
- YUL
2 stops12h 27m
Delta
Sat 9/196:00 am
YUL
- DEN
2 stops13h 16m
Delta
Deal found 6/13![Delta logo]()
$604
This United Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/912:16 pm
COS
- YUL
1 stop20h 04m
United Airlines
Fri 12/114:45 pm
YUL
- COS
1 stop20h 33m
United Airlines
Deal found 6/11![United Airlines logo]()
$698
This American Airlines deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” 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 9/45:13 pm
COS
- YUL
2 stops17h 14m
American Airlines
Fri 9/115:34 pm
YUL
- COS
1 stop21h 14m
American Airlines
Deal found 6/14![American Airlines logo]()
$655
This United deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/911:52 pm
DEN
- YUL
1 stop12h 48m
Multiple Airlines
Tue 10/138:15 am
YUL
- DEN
Nonstop4h 16m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$662
This Delta deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 7/910:52 am
DEN
- YUL
1 stop11h 00m
Delta
Tue 7/147:00 am
YUL
- DEN
2 stops13h 14m
Delta
Deal found 6/13![Delta logo]()
$640
This United deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/121:25 pm
DEN
- YUL
1 stop6h 01m
Multiple Airlines
Sat 9/198:15 am
YUL
- DEN
Nonstop4h 16m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$662
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/215:20 pm
DEN
- YUL
1 stop13h 12m
Delta
Fri 7/246:47 pm
YUL
- DEN
1 stop7h 36m
Delta
Deal found 6/10![Delta logo]()
$646
This United deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/511:52 pm
DEN
- YUL
1 stop12h 48m
Multiple Airlines
Fri 10/93:30 pm
YUL
- DEN
1 stop6h 47m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$675
This Delta deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” 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 7/66:00 am
COS
- YUL
1 stop9h 45m
Delta
Sat 7/119:30 am
YUL
- COS
2 stops13h 37m
Delta
Deal found 6/14![Delta logo]()
$648
This Delta deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” 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 9/176:00 am
COS
- YUL
2 stops15h 22m
Delta
Mon 9/2112:47 pm
YUL
- COS
2 stops12h 07m
Delta
Deal found 6/14![Delta logo]()
$692
Last-minute flights from Colorado to MontrealDiscover last-minute flight deals from Colorado to Montreal. Data last updated June 14, 2026 and is based on user searches.
Discover last-minute flight deals from Colorado to Montreal. Data last updated June 14, 2026 and is based on user searches.
This FlightHub deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/612:15 pm
DEN
- YUL
1 stop16h 50m
WestJet
Wed 7/87:15 am
YUL
- DEN
1 stop30h 05m
WestJet
Deal found 6/9![WestJet logo]()
$479
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 7/66:00 am
COS
- YUL
1 stop9h 45m
Delta
Sat 7/119:30 am
YUL
- COS
2 stops13h 37m
Delta
Deal found 6/11![Delta logo]()
$648
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 7/1112:15 pm
DEN
- YUL
1 stop16h 50m
WestJet
Sat 7/185:45 pm
YUL
- DEN
2 stops19h 35m
WestJet
Deal found 6/12![WestJet logo]()
$484
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/1812:15 pm
DEN
- YUL
1 stop9h 30m
WestJet
Wed 7/228:00 pm
YUL
- DEN
1 stop17h 20m
WestJet
Deal found 6/10![WestJet logo]()
$446
This Trip.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” 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.
Mon 7/2012:15 pm
DEN
- YUL
1 stop9h 30m
WestJet
Thu 7/238:00 pm
YUL
- DEN
1 stop17h 20m
WestJet
Deal found 6/9![WestJet logo]()
$482
This Trip.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 7/2212:15 pm
DEN
- YUL
1 stop9h 30m
WestJet
Tue 7/287:15 am
YUL
- DEN
1 stop30h 05m
WestJet
Deal found 6/13![WestJet logo]()
$437
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/2212:15 pm
DEN
- YUL
1 stop9h 30m
WestJet
Mon 7/278:00 pm
YUL
- DEN
1 stop17h 20m
WestJet
Deal found 6/10![WestJet logo]()
$440
This Kiwi.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” 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 7/228:52 pm
DEN
- YUL
2 stops25h 45m
Multiple Airlines
Tue 7/288:00 pm
YUL
- DEN
1 stop17h 20m
Multiple Airlines
Deal found 6/13![Multiple Airlines logo]()
$475
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/2211:10 am
COS
- YUL
1 stop10h 30m
Delta
Wed 7/2912:44 pm
YUL
- COS
1 stop10h 23m
Delta
Deal found 6/10![Delta logo]()
$587
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/223:46 pm
COS
- YUL
2 stops17h 57m
American Airlines
Wed 7/2910:30 am
YUL
- COS
2 stops13h 53m
American Airlines
Deal found 6/10![American Airlines logo]()
$602
This FlightHub deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2312:15 pm
DEN
- YUL
1 stop9h 30m
WestJet
Mon 7/278:00 pm
YUL
- DEN
1 stop17h 20m
WestJet
Deal found 6/14![WestJet logo]()
$449
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 7/2812:15 pm
DEN
- YUL
1 stop9h 30m
WestJet
Tue 8/48:00 pm
YUL
- DEN
1 stop17h 20m
WestJet
Deal found 6/10![WestJet logo]()
$438
One-way flights from Colorado to MontrealSearch for one-way flight options from Colorado to Montreal. Find affordable one-way fares based on user searches. Data last updated June 14, 2026.
Search for one-way flight options from Colorado to Montreal. Find affordable one-way fares based on user searches. Data last updated June 14, 2026.
This Justfly.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2012:15 pm
DEN
- YUL
1 stop9h 30m
WestJet
Deal found 6/10![WestJet logo]()
$191
This Trip.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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.
Sat 7/1812:15 pm
DEN
- YUL
1 stop9h 30m
WestJet
Deal found 6/10![WestJet logo]()
$194
This Justfly.com deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/2412:15 pm
DEN
- YUL
1 stop9h 30m
WestJet
Deal found 6/14![WestJet logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 10/166:25 am
DEN
- YUL
2 stops9h 45m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$206
This WestJet deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2812:15 pm
DEN
- YUL
1 stop9h 30m
WestJet
Deal found 6/12![WestJet logo]()
$209
This Trip.com deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/412:15 pm
DEN
- YUL
1 stop9h 30m
WestJet
Deal found 6/13![WestJet logo]()
$218
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 9/255:56 pm
DEN
- YUL
2 stops22h 14m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$220
This Justfly.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/112:15 pm
DEN
- YUL
1 stop16h 50m
WestJet
Deal found 6/10![WestJet logo]()
$221
This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” 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 11/176:25 am
DEN
- YUL
2 stops32h 05m
Multiple Airlines
Deal found 6/12![Multiple Airlines logo]()
$223
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” 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 9/111:18 pm
COS
- YUL
2 stops18h 31m
American Airlines
Deal found 6/10![American Airlines logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” 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 9/259:45 am
COS
- YUL
3 stops31h 47m
Multiple Airlines
Deal found 6/11![Multiple Airlines logo]()
$300
This Delta deal was found by Cheapflights users on 6/14. Clicking the “Pick Dates” 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 9/111:25 pm
COS
- YUL
1 stop8h 34m
Delta
Deal found 6/14![Delta logo]()
$309
Find flight deals from Colorado to Montreal
Keep the following information in mind while searching for Colorado to Montreal flight deals. Data was last updated June 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $415 (Kiwi.com) |
One-way from | $191 (Justfly.com) |
Popular in | September |
Cheapest in | November |
Average price | $647 |
Good round-trip deal | $862 or less |
Good one-way deal | $376 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Colorado to Montreal 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 June 14, 2026.
Use the filters below to find and compare flights from Colorado to Montreal that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Colorado SpringsMontreal
COS - YUL
COSYUL
Colorado Springs
Thu 8/20
3:51 pm-2:44 pm
1 stop20h 53m
Montreal Pierre Elliott Trudeau Intl
Tue 8/25
10:31 am-10:53 pm
2 stops14h 22m
$585
Colorado SpringsMontreal
COS - YUL
COSYUL
Colorado Springs
Wed 7/22
11:10 am-11:40 pm
1 stop10h 30m
Montreal Pierre Elliott Trudeau Intl
Wed 7/29
12:44 pm-9:07 pm
1 stop10h 23m
$587
DenverMontreal
DEN - YUL
DENYUL
Denver Intl
Tue 10/6
2:12 pm-11:20 am
1 stop19h 08m
Montreal Pierre Elliott Trudeau Intl
Sat 10/10
1:01 pm-8:46 pm
1 stop9h 45m
$600
DenverMontreal
DEN - YUL
DENYUL
Denver Intl
Tue 9/22
9:30 am-11:57 pm
2 stops12h 27m
Montreal Pierre Elliott Trudeau Intl
Sat 9/26
6:00 am-5:16 pm
2 stops13h 16m
$604
DenverMontreal
DEN - YUL
DENYUL
Denver Intl
Tue 9/15
9:30 am-11:57 pm
2 stops12h 27m
Montreal Pierre Elliott Trudeau Intl
Sat 9/19
6:00 am-5:16 pm
2 stops13h 16m
$604
DenverMontreal
DEN - YUL
DENYUL
Denver Intl
Thu 7/9
10:52 am-11:52 pm
1 stop11h 00m
Montreal Pierre Elliott Trudeau Intl
Tue 7/14
7:00 am-6:14 pm
2 stops13h 14m
$640
DenverMontreal
DEN - YUL
DENYUL
Denver Intl
Mon 9/28
7:10 pm-12:00 pm
1 stop14h 50m
Montreal Pierre Elliott Trudeau Intl
Thu 10/8
9:45 am-11:54 pm
1 stop16h 09m
$642
DenverMontreal
DEN - YUL
DENYUL
Denver Intl
Tue 7/21
5:20 pm-8:32 am
1 stop13h 12m
Montreal Pierre Elliott Trudeau Intl
Fri 7/24
6:47 pm-12:23 am
1 stop7h 36m
$646
Colorado SpringsMontreal
COS - YUL
COSYUL
Colorado Springs
Mon 7/6
6:00 am-5:45 pm
1 stop9h 45m
Montreal Pierre Elliott Trudeau Intl
Sat 7/11
9:30 am-9:07 pm
2 stops13h 37m
$648
Colorado SpringsMontreal
COS - YUL
COSYUL
Colorado Springs
Fri 9/4
5:13 pm-12:27 pm
2 stops17h 14m
Montreal Pierre Elliott Trudeau Intl
Fri 9/11
5:34 pm-12:48 pm
1 stop21h 14m
$655
Showing 1-10 of 33 resultsSorted by cheapest first
Best time to book a flight from Colorado to Montreal
Have a flexible travel schedule? Discover the best time to fly to Montreal from Colorado with our price prediction graph.
DEN-YUL
COS-YUL
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 Colorado to Montreal
USCO-YMQ
DEN-YUL
COS-YUL
What is the cheapest month to book a flight from Colorado to Montreal?
Currently, August is the cheapest month in which you can book a flight from Colorado to Montreal (average of $144). Flying from Colorado to Montreal in December is currently the most expensive (average of $353). 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 CO to YMQ?
Find hourly flight availability from Colorado to Montreal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 14, 2026.
When flying from Colorado to Montreal, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Weekly flight availability from Colorado to Montreal
Explore weekly flight availability from Colorado to Montreal. 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 June 14, 2026.
The most flights from USCO to YMQ are scheduled on a Monday (5 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (2 on average).
How much does it cost to fly round-trip from Colorado to Montreal?
How far ahead should I book a flight from Colorado to Montreal?
Booking 1 days in advance of your planned departure date is, on average, the best time to get cheap flights from Colorado to Montreal. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Related info for your journey
Find useful and relevant information for your journey from Colorado to Montreal. 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 Colorado to Montreal
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Complete your trip
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Search flights from Colorado to Montreal by cabin class
Find flights from Colorado to Montreal, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Montreal
Explore flights to Montreal departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 14, 2026.
Colorado and Montreal flights
Browse other Colorado and Montreal flight options. Last updated on June 14, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from Colorado to Montreal
Discover the top 2 airlines that operate flights from Colorado to Montreal. 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 June 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$203 | Average$573 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$260 | Average$686 | FlexibilityNo cancel fee | On-time69% |