$147+ Cheap flights from Chicago (CHI) to Montreal (YMQ)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — YMQ
Nov 27 — Dec 41
Round-trip
1 adult, Economy
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Find cheap flights from Chicago to Montreal 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.Cheapflights Tip: The best prices from Chicago to Montreal are usually found in April or January, booked 73 days in advance, depart on a Thursday or Friday and return on a Thursday
Cheap flight deals from Chicago to Montreal
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Cheapest flights from Chicago to MontrealExplore the most affordable flight options available from Chicago to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2026.
Explore the most affordable flight options available from Chicago to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2026.
This Justfly.com deal was found by Cheapflights users on 10/27. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/412:15 pm -
1 stop8h 56m
Sat 12/59:45 am -
1 stop8h 55m
Deal found 10/27![Porter Airlines logo]()
$315
This American Airlines deal was found by Cheapflights users on 10/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:41 am -
1 stop6h 01m
Tue 12/112:10 pm -
Nonstop3h 05m
Deal found 10/27![American Airlines logo]()
$316
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Fri 12/412:15 pm -
1 stop8h 56m
Wed 1/1312:40 pm -
1 stop5h 50m
Deal found 10/27![Multiple Airlines logo]()
$317
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Wed 12/212:15 pm -
1 stop8h 56m
Sat 12/59:45 am -
1 stop8h 55m
Deal found 10/27![Porter Airlines logo]()
$318
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Wed 11/1812:15 pm -
1 stop8h 55m
Fri 11/279:45 am -
1 stop8h 55m
Deal found 10/26![Porter Airlines logo]()
$319
This Air Canada deal was found by Cheapflights users on 10/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/247:05 am -
Nonstop2h 12m
Thu 12/3110:10 am -
1 stop6h 28m
Deal found 10/27![Air Canada logo]()
$320
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Mon 12/712:15 pm -
1 stop5h 51m
Wed 12/99:45 am -
1 stop8h 55m
Deal found 10/27![Porter Airlines logo]()
$321
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Tue 12/112:15 pm -
1 stop5h 51m
Sun 12/69:45 am -
1 stop8h 55m
Deal found 10/27![Porter Airlines logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Mon 12/712:15 pm -
1 stop5h 51m
Tue 12/89:45 am -
1 stop8h 55m
Deal found 10/27![Multiple Airlines logo]()
$324
This FlightHub deal was found by Cheapflights users on 10/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3012:15 pm -
1 stop5h 51m
Wed 1/69:45 am -
1 stop8h 45m
Deal found 10/26![Porter Airlines logo]()
$327
This Mytrip deal was found by Cheapflights users on 10/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/412:15 pm -
1 stop8h 56m
Sat 12/129:45 am -
1 stop8h 55m
Deal found 10/26![Porter Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 10/27. 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 12/36:41 pm -
1 stop3h 52m
Thu 1/146:00 am -
1 stop8h 17m
Deal found 10/27![Delta logo]()
$331
Best flights from Chicago to MontrealDiscover carefully curated flight deals from Chicago to Montreal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 28, 2026.
Discover carefully curated flight deals from Chicago to Montreal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 28, 2026.
This Delta deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” 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 12/45:30 pm -
1 stop5h 11m
Thu 12/106:00 am -
1 stop4h 37m
Deal found 10/23![Delta logo]()
$331
This United Airlines deal was found by Cheapflights users on 10/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/195:55 am -
1 stop6h 33m
Fri 11/276:00 am -
Nonstop3h 00m
Deal found 10/26![United Airlines logo]()
$406
This United deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” 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.
Tue 11/103:36 pm -
1 stop5h 06m
Tue 11/2410:40 am -
2 stops8h 03m
Deal found 10/24![Multiple Airlines logo]()
$470
This Delta deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” 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 12/71:41 pm -
1 stop8h 52m
Thu 12/106:00 am -
1 stop4h 37m
Deal found 10/23![Delta logo]()
$331
This Delta deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” 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 12/46:41 pm -
1 stop3h 52m
Wed 12/97:10 am -
1 stop5h 49m
Deal found 10/23![Delta logo]()
$331
This Delta deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” 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 12/45:30 pm -
1 stop5h 11m
Tue 12/812:50 pm -
1 stop6h 11m
Deal found 10/23![Delta logo]()
$331
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Tue 12/1510:37 am -
Nonstop2h 23m
Mon 12/216:00 am -
Nonstop3h 08m
Deal found 10/27![United Airlines logo]()
$441
This Delta deal was found by Cheapflights users on 10/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1912:30 pm -
1 stop10h 00m
Wed 11/256:00 am -
1 stop4h 46m
Deal found 10/26![Delta logo]()
$344
This United deal was found by Cheapflights users on 10/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:50 am -
1 stop5h 26m
Tue 11/1710:40 am -
2 stops8h 03m
Deal found 10/27![Multiple Airlines logo]()
$495
This United deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” 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 1/228:40 am -
1 stop5h 36m
Sun 1/241:15 pm -
2 stops8h 06m
Deal found 10/23![Multiple Airlines logo]()
$504
This United Airlines deal was found by Cheapflights users on 10/27. 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 12/245:45 pm -
Nonstop2h 32m
Wed 12/306:00 am -
Nonstop3h 08m
Deal found 10/27![United Airlines logo]()
$516
This Delta deal was found by Cheapflights users on 10/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2012:30 pm -
1 stop10h 00m
Thu 11/267:00 am -
1 stop9h 15m
Deal found 10/26![Delta logo]()
$409
This United Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” 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 12/145:54 pm -
Nonstop2h 23m
Tue 1/56:00 am -
Nonstop3h 07m
Deal found 10/24![United Airlines logo]()
$516
This United deal was found by Cheapflights users on 10/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/137:05 am -
1 stop5h 23m
Wed 1/201:15 pm -
2 stops8h 06m
Deal found 10/28![Multiple Airlines logo]()
$516
This Delta deal was found by Cheapflights users on 10/27. 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.
Sat 12/51:41 pm -
1 stop8h 52m
Thu 12/106:00 am -
1 stop4h 37m
Deal found 10/27![Delta logo]()
$411
This Delta deal was found by Cheapflights users on 10/27. 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.
Tue 11/101:05 pm -
1 stop9h 43m
Fri 11/136:00 am -
1 stop7h 51m
Deal found 10/27![Delta logo]()
$411
This United Airlines deal was found by Cheapflights users on 10/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1710:33 am -
Nonstop2h 27m
Sun 12/206:00 am -
Nonstop3h 08m
Deal found 10/26![United Airlines logo]()
$558
This United deal was found by Cheapflights users on 10/26. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/235:45 pm -
Nonstop2h 32m
Wed 12/3011:10 am -
1 stop5h 28m
Deal found 10/26![Multiple Airlines logo]()
$566
This Delta deal was found by Cheapflights users on 10/28. 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.
Thu 12/36:00 am -
1 stop10h 33m
Mon 12/77:00 am -
1 stop10h 16m
Deal found 10/28![Delta logo]()
$411
This United Airlines deal was found by Cheapflights users on 10/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/255:54 pm -
Nonstop2h 23m
Sat 11/286:00 am -
Nonstop3h 00m
Deal found 10/26![United Airlines logo]()
$561
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 12/1112:39 pm -
1 stop10h 02m
Mon 12/147:00 am -
1 stop10h 16m
Deal found 10/25![Delta logo]()
$422
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” 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 11/251:31 pm -
1 stop8h 56m
Tue 12/112:50 pm -
1 stop6h 11m
Deal found 10/25![Delta logo]()
$422
This Delta deal was found by Cheapflights users on 10/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/56:00 am -
1 stop6h 47m
Mon 12/76:00 am -
1 stop8h 01m
Deal found 10/26![Delta logo]()
$422
This Delta deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” 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 11/257:05 am -
1 stop7h 53m
Mon 11/302:30 pm -
1 stop8h 48m
Deal found 10/24![Delta logo]()
$443
Last-minute flights from Chicago to MontrealDiscover last-minute flight deals from Chicago to Montreal. Data last updated October 28, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Montreal. Data last updated October 28, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/91:55 pm -
1 stop6h 50m
Mon 11/2311:10 am -
1 stop5h 38m
Deal found 10/25![Air Canada logo]()
$344
This Air Canada deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/131:55 pm -
1 stop6h 50m
Sun 11/158:45 am -
1 stop5h 35m
Deal found 10/23![Air Canada logo]()
$327
This Delta deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” 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 11/146:00 am -
1 stop6h 36m
Tue 11/177:00 am -
1 stop5h 59m
Deal found 10/23![Delta logo]()
$331
This Delta deal was found by Cheapflights users on 10/27. 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.
Sun 11/156:00 am -
1 stop10h 27m
Thu 11/197:00 am -
1 stop10h 18m
Deal found 10/27![Delta logo]()
$360
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Mon 11/1612:15 pm -
1 stop5h 50m
Thu 11/199:45 am -
1 stop8h 55m
Deal found 10/27![Porter Airlines logo]()
$332
This Delta deal was found by Cheapflights users on 10/27. 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.
Tue 11/1712:30 pm -
1 stop10h 00m
Fri 11/206:00 am -
1 stop4h 46m
Deal found 10/27![Delta logo]()
$366
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Wed 11/1812:15 pm -
1 stop8h 55m
Fri 11/279:45 am -
1 stop8h 55m
Deal found 10/26![Porter Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 10/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1912:30 pm -
1 stop10h 00m
Wed 11/256:00 am -
1 stop4h 46m
Deal found 10/26![Delta logo]()
$344
This Air Canada deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/201:55 pm -
1 stop6h 50m
Tue 11/249:25 am -
Nonstop2h 42m
Deal found 10/24![Air Canada logo]()
$336
This American Airlines deal was found by Cheapflights users on 10/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:41 am -
1 stop6h 01m
Tue 12/112:10 pm -
Nonstop3h 05m
Deal found 10/27![American Airlines logo]()
$316
This Air Canada deal was found by Cheapflights users on 10/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/271:55 pm -
Nonstop2h 12m
Tue 12/110:40 am -
2 stops10h 18m
Deal found 10/26![Air Canada logo]()
$325
This Delta deal was found by Cheapflights users on 10/27. 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.
Mon 11/306:00 am -
1 stop6h 40m
Sun 1/106:00 am -
1 stop4h 53m
Deal found 10/27![Delta logo]()
$331
One-way flights from Chicago to MontrealSearch for one-way flight options from Chicago to Montreal. Find affordable one-way fares based on user searches. Data last updated October 28, 2026.
Search for one-way flight options from Chicago to Montreal. Find affordable one-way fares based on user searches. Data last updated October 28, 2026.
This FlightHub deal was found by Cheapflights users on 10/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1112:15 pm -
1 stop8h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Air Transat logo]()
$147
This Super.com deal was found by Cheapflights users on 10/26. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1512:15 pm -
1 stop5h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Porter Airlines logo]()
$148
This Air Canada deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/11:55 pm -
1 stop6h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Air Canada logo]()
$150
This Super.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1812:15 pm -
1 stop5h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Porter Airlines logo]()
$153
This Booking.com deal was found by Cheapflights users on 10/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/301:55 pm -
Nonstop2h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Air Canada logo]()
$155
This Trip.com deal was found by Cheapflights users on 10/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/112:15 pm -
1 stop5h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Porter Airlines logo]()
$157
This Air Canada deal was found by Cheapflights users on 10/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/127:20 am -
2 stops12h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Air Canada logo]()
$161
This Jetabroad deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2212:15 pm -
1 stop5h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Porter Airlines logo]()
$162
This Booking.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:05 am -
Nonstop2h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/25![Air Canada logo]()
$164
This Ticket deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3012:15 pm -
1 stop5h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Porter Airlines logo]()
$165
This Delta deal was found by Cheapflights users on 10/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/121:31 pm -
1 stop8h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Delta logo]()
$176
This Delta deal was found by Cheapflights users on 10/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/185:13 pm -
1 stop5h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Delta logo]()
$182
Find flight deals from Chicago to Montreal
Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Montreal (YMQ). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $315 (Justfly.com) |
One-way from | $147 (FlightHub) |
Popular in | December |
Cheapest in | April |
Average price | $377 |
Good round-trip deal | $468 or less |
Good one-way deal | $218 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Chicago 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 7,457,451 searches. Data last updated October 28, 2026.
Use the filters below to find and compare flights from Chicago to Montreal that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
ChicagoMontreal
ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl
ORDYUL
Chicago O'Hare Intl
Wed 12/30
1:55 pm-5:07 pm
Nonstop2h 12m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$153
ChicagoMontreal
ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl
ORDYUL
Chicago O'Hare Intl
Mon 12/28
9:43 pm-4:40 pm
1 stop17h 57m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$153
ChicagoMontreal
ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl
ORDYUL
Chicago O'Hare Intl
Wed 12/30
12:15 pm-7:06 pm
1 stop5h 51m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$165
ChicagoMontreal
ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl
ORDYUL
Chicago O'Hare Intl
Mon 11/23
5:54 pm-9:17 pm
Nonstop2h 23m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$172
ChicagoMontreal
MDW Chicago Midway - YUL Montreal Pierre Elliott Trudeau Intl
MDWYUL
Chicago Midway
Sat 12/12
1:41 pm-11:33 pm
1 stop8h 52m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$176
ChicagoMontreal
MDW Chicago Midway - YUL Montreal Pierre Elliott Trudeau Intl
MDWYUL
Chicago Midway
Mon 11/16
12:30 pm-11:30 pm
1 stop10h 00m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$176
ChicagoMontreal
MDW Chicago Midway - YUL Montreal Pierre Elliott Trudeau Intl
MDWYUL
Chicago Midway
Thu 11/12
1:31 pm-11:27 pm
1 stop8h 56m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$176
ChicagoMontreal
ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl
ORDYUL
Chicago O'Hare Intl
Sat 1/2
12:33 pm-11:40 pm
1 stop10h 07m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$176
ChicagoMontreal
ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl
ORDYUL
Chicago O'Hare Intl
Wed 12/23
1:26 pm-11:29 pm
1 stop9h 03m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$176
ChicagoMontreal
ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl
ORDYUL
Chicago O'Hare Intl
Tue 12/1
10:05 am-6:43 pm
2 stops7h 38m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$182
Showing 1-10 of 45 resultsSorted by cheapest first
Compare providers for flights from Chicago to Montreal
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Montreal in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Chicago-Montreal flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Montreal flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Montreal flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago-Montreal flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Montreal flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Chicago to Montreal
Have a flexible travel schedule? Discover the best time to fly to Montreal from Chicago with our price prediction graph.
CHI-YMQ
ORD-YUL
MDW-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 Chicago to Montreal
CHI-YMQ
ORD-YUL
MDW-YUL
What is the cheapest month to book a flight from Chicago to Montreal?
Currently, April is the cheapest month in which you can book a flight from Chicago to Montreal (average of $303). Flying from Chicago to Montreal in December is currently the most expensive (average of $465). 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 CHI to YMQ?
Find hourly flight availability from Chicago 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 October 28, 2026.
One of the essential ways to save on airfare from Chicago to Montreal is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 20% on airfare.
How much does it cost to fly round-trip from Chicago to Montreal?
Airfare is below average for this route at the moment.
Chicago to Montreal flights typically cost between $337 and $534 in December.The cheapest round-trip price found within the last 5 days was $315 on Porter Airlines (Dec 4-Dec 5).
How often are flights from Chicago to Montreal delayed?
About 21% of weekly flights between Chicago and Montreal have experienced delays in the past year, with the average delay time being 139 minutes.
What is the most punctual flight time for Chicago to Montreal flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Chicago to Montreal flights?
Over the last year, American Airlines have had the lowest number of delays on this route, with just 14% of flights being delayed.
How far ahead should I book a flight from Chicago to Montreal?
The price you pay for your flight from Chicago to Montreal may vary depending on when you book. For the best chance of a lower fare, look to book 60 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing Montreal
Get insights into the airlines that provide service to Montreal. 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 Montreal. Reviews last updated October 28, 2026.
Read reviews from past customers who have flown Porter Airlines,Delta, andUnited Airlines from Chicago to Montreal. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.6
Entertainment
6.9
Crew
8.6
Boarding
8.2
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Food
7.6
Entertainment
6.9
Crew
8.6
Boarding
8.2
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Food
7.6
Entertainment
6.9
Crew
8.6
Boarding
8.2
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Food
7.6
Entertainment
6.9
Crew
8.6
Boarding
8.2
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Food
7.6
Entertainment
6.9
Crew
8.6
Boarding
8.2
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Food
7.6
Entertainment
6.9
Crew
8.6
Boarding
8.2
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Related info for your journey
Find useful and relevant information for your journey from Chicago 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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Complete your trip
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Search flights from Chicago to Montreal by cabin class
Find flights from Chicago 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 October 28, 2026.
Chicago and Montreal flights
Browse other Chicago and Montreal flight options. Last updated on October 28, 2026.
Other flights from Chicago
Browse through other flights departing from Chicago. Flights are based on user searches made on Cheapflights and were last updated on October 28, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Chicago to Montreal
Discover the top 5 airlines that operate flights from Chicago 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 7,457,451 searches. Data last updated October 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$111 | Average$236 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$153 | Average$462 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$153 | Average$382 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$190 | Average$335 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$346 | Average$461 | FlexibilityNo cancel fee | On-time71% |