$148+ Cheap flights from Chicago (CHI) 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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — YMQ
Sep 30 — Oct 71
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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 March, booked 73 days in advance, depart on a Thursday or Monday and return on a Thursday
Cheap flight deals from Chicago to Montreal
Cheapest
Best
Last-minute
One-way
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 August 31, 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 August 31, 2026.
This Trip.com deal was found by Cheapflights users on 8/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1011:45 am -
1 stop5h 27m
Tue 10/136:30 am -
1 stop5h 30m
Deal found 8/30![Porter Airlines logo]()
$312
This Trip.com deal was found by Cheapflights users on 8/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/283:20 pm -
1 stop4h 52m
Fri 10/29:00 am -
1 stop6h 35m
Deal found 8/30![Porter Airlines logo]()
$314
This Trip.com deal was found by Cheapflights users on 8/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2611:45 am -
1 stop5h 27m
Tue 9/296:30 am -
1 stop5h 30m
Deal found 8/26![Porter Airlines logo]()
$315
This Booking.com deal was found by Cheapflights users on 8/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1011:05 am -
Nonstop2h 15m
Tue 10/138:40 am -
Nonstop2h 37m
Deal found 8/30![Air Canada logo]()
$315
This Trip.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 9/2611:45 am -
1 stop5h 27m
Mon 9/286:30 am -
1 stop5h 30m
Deal found 8/31![Porter Airlines logo]()
$316
This Traveloka deal was found by Cheapflights users on 8/27. 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 Traveloka is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:25 am -
2 stops7h 03m
Sun 10/187:30 am -
1 stop6h 51m
Deal found 8/27![Air Canada logo]()
$316
This Trip.com deal was found by Cheapflights users on 8/28. 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.
Fri 9/183:20 pm -
1 stop4h 52m
Sun 9/2010:35 am -
1 stop5h 00m
Deal found 8/28![Porter Airlines logo]()
$317
This Booking.com deal was found by Cheapflights users on 8/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/211:05 am -
Nonstop2h 15m
Sun 10/48:40 am -
Nonstop2h 37m
Deal found 8/30![Air Canada logo]()
$317
This Kissandfly.com deal was found by Cheapflights users on 8/29. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1911:45 am -
1 stop5h 27m
Mon 9/216:30 am -
1 stop5h 30m
Deal found 8/29![Porter Airlines logo]()
$318
This Booking.com deal was found by Cheapflights users on 8/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/193:40 pm -
Nonstop2h 15m
Mon 9/218:40 am -
Nonstop2h 35m
Deal found 8/29![Air Canada logo]()
$318
This Trip.com deal was found by Cheapflights users on 8/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1911:45 am -
1 stop5h 27m
Tue 9/226:30 am -
1 stop5h 30m
Deal found 8/29![Porter Airlines logo]()
$320
This Trip.com deal was found by Cheapflights users on 8/28. 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.
Fri 9/183:20 pm -
1 stop4h 52m
Mon 9/216:30 am -
1 stop5h 30m
Deal found 8/28![Porter Airlines logo]()
$321
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 August 31, 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 August 31, 2026.
This Trip.com deal was found by Cheapflights users on 8/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/253:20 pm -
1 stop4h 52m
Thu 10/16:30 am -
1 stop5h 30m
Deal found 8/26![Porter Airlines logo]()
$317
This Air Canada deal was found by Cheapflights users on 8/26. 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.
Thu 10/87:25 am -
1 stop5h 20m
Thu 10/299:25 am -
Nonstop2h 42m
Deal found 8/26![Air Canada logo]()
$337
This United deal was found by Cheapflights users on 8/28. 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.
Tue 9/157:11 am -
Nonstop2h 29m
Tue 9/152:30 pm -
1 stop7h 11m
Deal found 8/28![Multiple Airlines logo]()
$366
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Sun 10/117:11 am -
Nonstop2h 29m
Thu 10/159:45 am -
Nonstop2h 36m
Deal found 8/28![United Airlines logo]()
$375
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 11/146:44 pm -
1 stop3h 43m
Tue 11/176:00 am -
1 stop7h 51m
Deal found 8/31![Delta logo]()
$400
This Kiwi.com deal was found by Cheapflights users on 8/26. 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.
Thu 9/173:20 pm -
1 stop18h 55m
Sun 9/2010:35 am -
1 stop5h 00m
Deal found 8/26![Porter Airlines logo]()
$365
This United Airlines deal was found by Cheapflights users on 8/29. 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.
Tue 11/2410:37 am -
Nonstop2h 23m
Tue 11/244:45 pm -
Nonstop3h 01m
Deal found 8/29![United Airlines logo]()
$375
This United deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/22:01 pm -
Nonstop2h 29m
Wed 10/78:40 am -
Nonstop2h 37m
Deal found 8/31![Multiple Airlines logo]()
$375
This Delta deal was found by Cheapflights users on 8/29. 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.
Wed 11/259:30 am -
1 stop5h 28m
Sat 11/286:00 am -
1 stop7h 51m
Deal found 8/29![Delta logo]()
$400
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 11/2710:37 am -
Nonstop2h 23m
Wed 12/26:10 am -
Nonstop2h 40m
Deal found 8/31![United Airlines logo]()
$375
This United deal was found by Cheapflights users on 8/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/222:01 pm -
Nonstop2h 29m
Sun 10/257:45 am -
1 stop6h 26m
Deal found 8/30![Multiple Airlines logo]()
$380
This Porter Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1711:45 am -
1 stop5h 27m
Tue 10/206:30 am -
1 stop5h 30m
Deal found 8/31![Porter Airlines logo]()
$386
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 11/2712:05 pm -
1 stop6h 42m
Tue 12/16:00 am -
1 stop4h 37m
Deal found 8/31![Delta logo]()
$400
This United Airlines deal was found by Cheapflights users on 8/30. 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.
Sat 12/128:55 am -
1 stop5h 06m
Thu 12/176:00 am -
Nonstop3h 07m
Deal found 8/30![United Airlines logo]()
$385
This Porter Airlines deal was found by Cheapflights users on 8/27. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2111:45 am -
1 stop5h 27m
Sat 10/246:30 am -
1 stop5h 30m
Deal found 8/27![Porter Airlines logo]()
$386
This United deal was found by Cheapflights users on 8/29. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/103:00 pm -
1 stop6h 06m
Tue 10/132:30 pm -
1 stop7h 15m
Deal found 8/29![Multiple Airlines logo]()
$390
This Delta deal was found by Cheapflights users on 8/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:27 pm -
1 stop8h 58m
Wed 11/46:00 am -
1 stop7h 47m
Deal found 8/30![Delta logo]()
$400
This Porter Airlines deal was found by Cheapflights users on 8/26. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/93:20 pm -
1 stop4h 52m
Mon 10/126:30 am -
1 stop5h 30m
Deal found 8/26![Porter Airlines logo]()
$386
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 11/2712:05 pm -
1 stop6h 42m
Wed 12/26:00 am -
1 stop8h 01m
Deal found 8/31![Delta logo]()
$400
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Sun 10/46:00 am -
1 stop6h 09m
Tue 10/62:20 pm -
1 stop5h 21m
Deal found 8/28![United Airlines logo]()
$400
This Porter Airlines deal was found by Cheapflights users on 8/29. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/163:20 pm -
1 stop4h 52m
Wed 9/236:30 am -
1 stop5h 30m
Deal found 8/29![Porter Airlines logo]()
$393
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/87:00 am -
1 stop8h 15m
Sun 10/116:00 am -
1 stop5h 29m
Deal found 8/31![Delta logo]()
$400
This Delta deal was found by Cheapflights users on 8/28. 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 10/97:00 am -
1 stop8h 15m
Fri 10/1612:50 pm -
1 stop8h 40m
Deal found 8/28![Delta logo]()
$400
Last-minute flights from Chicago to MontrealDiscover last-minute flight deals from Chicago to Montreal. Data last updated August 31, 2026 and is based on user searches.
Discover last-minute flight deals from Chicago to Montreal. Data last updated August 31, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 8/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:45 am -
1 stop5h 27m
Tue 9/86:30 am -
1 stop5h 30m
Deal found 8/27![Porter Airlines logo]()
$534
This Delta deal was found by Cheapflights users on 8/27. 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 9/55:45 pm -
1 stop4h 45m
Mon 9/76:00 am -
1 stop7h 39m
Deal found 8/27![Delta logo]()
$571
This Mytrip deal was found by Cheapflights users on 8/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/611:45 am -
1 stop5h 27m
Sun 10/410:35 am -
1 stop5h 00m
Deal found 8/29![Porter Airlines logo]()
$485
This Mytrip deal was found by Cheapflights users on 8/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/611:45 am -
1 stop5h 27m
Tue 9/86:30 am -
1 stop5h 30m
Deal found 8/28![Porter Airlines logo]()
$561
This Air Canada deal was found by Cheapflights users on 8/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/83:40 pm -
Nonstop2h 21m
Fri 9/186:30 pm -
Nonstop2h 42m
Deal found 8/28![Air Canada logo]()
$417
This Air Canada deal was found by Cheapflights users on 8/27. 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.
Tue 9/811:05 am -
Nonstop2h 15m
Sat 9/128:40 am -
Nonstop2h 35m
Deal found 8/27![Air Canada logo]()
$423
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 9/83:20 pm -
1 stop4h 52m
Fri 9/186:30 am -
1 stop5h 30m
Deal found 8/27![Porter Airlines logo]()
$443
This Air Canada deal was found by Cheapflights users on 8/26. 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.
Wed 9/93:40 pm -
Nonstop2h 21m
Sat 9/128:40 am -
Nonstop2h 35m
Deal found 8/26![Air Canada logo]()
$345
This Trip.com deal was found by Cheapflights users on 8/26. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:20 pm -
1 stop4h 52m
Sat 9/126:30 am -
1 stop5h 30m
Deal found 8/26![Porter Airlines logo]()
$358
This Air Canada deal was found by Cheapflights users on 8/26. 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.
Wed 9/98:45 am -
Nonstop2h 15m
Mon 9/146:30 pm -
Nonstop2h 42m
Deal found 8/26![Air Canada logo]()
$371
This Delta deal was found by Cheapflights users on 8/26. 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 9/98:55 am -
1 stop6h 24m
Mon 9/1412:48 pm -
1 stop8h 42m
Deal found 8/26![Delta logo]()
$418
This Trip.com deal was found by Cheapflights users on 8/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/911:45 am -
1 stop5h 27m
Tue 9/156:30 am -
1 stop5h 30m
Deal found 8/27![Porter Airlines logo]()
$419
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 August 31, 2026.
Search for one-way flight options from Chicago to Montreal. Find affordable one-way fares based on user searches. Data last updated August 31, 2026.
This Trip.com deal was found by Cheapflights users on 8/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/211:45 am -
1 stop5h 27m
Deal found 8/27![Porter Airlines logo]()
$148
This Booking.com deal was found by Cheapflights users on 8/27. 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.
Fri 10/303:45 pm -
Nonstop2h 12m
Deal found 8/27![Air Canada logo]()
$148
This Air Canada deal was found by Cheapflights users on 8/27. 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.
Fri 10/22:00 pm -
1 stop6h 45m
Deal found 8/27![Air Canada logo]()
$149
This Delta deal was found by Cheapflights users on 8/27. 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 10/316:44 pm -
1 stop3h 41m
Deal found 8/27![Delta logo]()
$150
This Delta deal was found by Cheapflights users on 8/28. 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.
Tue 9/295:10 pm -
1 stop5h 17m
Deal found 8/28![Delta logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 8/28. 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.
Wed 9/307:11 am -
2 stops32h 56m
Deal found 8/28![Multiple Airlines logo]()
$151
This Mytrip deal was found by Cheapflights users on 8/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2011:45 am -
1 stop5h 27m
Deal found 8/29![Porter Airlines logo]()
$153
This FlightHub deal was found by Cheapflights users on 8/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2811:45 am -
1 stop6h 20m
Deal found 8/28![Porter Airlines logo]()
$153
This Jetabroad deal was found by Cheapflights users on 8/27. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2711:45 am -
1 stop5h 27m
Deal found 8/27![Porter Airlines logo]()
$154
This Mytrip deal was found by Cheapflights users on 8/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/511:05 am -
Nonstop2h 15m
Deal found 8/28![Air Canada logo]()
$154
This Kiwi.com deal was found by Cheapflights users on 8/28. 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.
Tue 9/293:20 pm -
1 stop4h 52m
Deal found 8/28![Porter Airlines logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” 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 10/2712:20 pm -
1 stop5h 45m
Deal found 8/31![Porter Airlines logo]()
$155
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 August 31, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $312 (Trip.com) |
One-way from | $148 (Trip.com) |
Popular in | August |
Cheapest in | April |
Average price | $434 |
Good round-trip deal | $384 or less |
Good one-way deal | $229 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 August 31, 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
ChicagoMontreal
MDW Chicago Midway - YUL Montreal Pierre Elliott Trudeau Intl
MDWYUL
Chicago Midway
Fri 9/25
3:20 pm-9:12 pm
1 stop4h 52m
Montreal Pierre Elliott Trudeau Intl
Thu 10/1
6:30 am-11:00 am
1 stop5h 30m
$317
ChicagoMontreal
ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl
ORDYUL
Chicago O'Hare Intl
Thu 10/8
7:25 am-1:45 pm
1 stop5h 20m
Montreal Pierre Elliott Trudeau Intl
Thu 10/29
9:25 am-11:07 am
Nonstop2h 42m
$337
ChicagoMontreal
MDW Chicago Midway - YUL Montreal Pierre Elliott Trudeau Intl
MDWYUL
Chicago Midway
Thu 9/17
3:20 pm-11:15 am
1 stop18h 55m
Montreal Pierre Elliott Trudeau Intl
Sun 9/20
10:35 am-2:35 pm
1 stop5h 00m
$365
ChicagoMontreal
ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl
ORDYUL
Chicago O'Hare Intl
Tue 9/15
7:11 am-10:40 am
Nonstop2h 29m
Montreal Pierre Elliott Trudeau Intl
Tue 9/15
2:30 pm-8:41 pm
1 stop7h 11m
$366
ChicagoMontreal
ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl
ORDYUL
Chicago O'Hare Intl
Sun 10/11
7:11 am-10:40 am
Nonstop2h 29m
Montreal Pierre Elliott Trudeau Intl
Thu 10/15
9:45 am-11:21 am
Nonstop2h 36m
$375
ChicagoMontreal
ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl
ORDYUL
Chicago O'Hare Intl
Tue 11/24
10:37 am-2:00 pm
Nonstop2h 23m
Montreal Pierre Elliott Trudeau Intl
Tue 11/24
4:45 pm-6:46 pm
Nonstop3h 01m
$375
ChicagoMontreal
ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl
ORDYUL
Chicago O'Hare Intl
Fri 10/2
2:01 pm-5:30 pm
Nonstop2h 29m
Montreal Pierre Elliott Trudeau Intl
Wed 10/7
8:40 am-10:17 am
Nonstop2h 37m
$375
Quickest round-trip
ChicagoMontreal
ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl
ORDYUL
Chicago O'Hare Intl
Fri 11/27
10:37 am-2:00 pm
Nonstop2h 23m
Montreal Pierre Elliott Trudeau Intl
Wed 12/2
6:10 am-7:50 am
Nonstop2h 40m
$375
ChicagoMontreal
ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl
ORDYUL
Chicago O'Hare Intl
Thu 10/22
2:01 pm-5:30 pm
Nonstop2h 29m
Montreal Pierre Elliott Trudeau Intl
Sun 10/25
7:45 am-1:11 pm
1 stop6h 26m
$380
ChicagoMontreal
ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl
ORDYUL
Chicago O'Hare Intl
Sat 12/12
8:55 am-3:01 pm
1 stop5h 06m
Montreal Pierre Elliott Trudeau Intl
Thu 12/17
6:00 am-8:07 am
Nonstop3h 07m
$385
Showing 1-10 of 38 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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 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
MDW-YUL
ORD-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
MDW-YUL
ORD-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 $293). Flying from Chicago to Montreal in December is currently the most expensive (average of $452). 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 August 31, 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 18% on airfare.
Weekly flight availability from Chicago to Montreal
Explore weekly flight availability from Chicago 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 August 31, 2026.
The most flights from CHI to YMQ are scheduled on a Friday (33 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (27 on average).
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 $490 in October.The cheapest round-trip price found within the last 5 days was $312 on Porter Airlines (Oct 10-Oct 13).
What’s the top layover airport for flights from Chicago to Montreal?
Share of 1-stop round-trip flights from Chicago to Montreal chosen by Cheapflights users in the past 12 months, using the same layover each way.
Toronto (YYZ) – chosen by Cheapflights users on 50% of 1-stop itineraries from Chicago to Montreal on Cheapflights.
What’s the cheapest layover airport for flights from Chicago to Montreal?
Average round-trip fare for 1-stop flights from Chicago to Montreal, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Toronto (YYZ) is the most affordable 1-stop option, with an average round-trip price of $362.
What’s the fastest layover option from Chicago to Montreal?
Shortest average travel time for 1-stop one-way flights from Chicago to Montreal, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Toronto (YYZ) have the shortest average one-way travel time for 1-stop routes: 4h 22m.
Which airport typically offers the quickest layover for flights from Chicago to Montreal?
Average layover duration for 1-stop one-way flights from Chicago to Montreal, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Toronto (YTZ) offer the fastest connection on this route, with an average layover time of 1h 37m.
How often are flights from Chicago to Montreal delayed?
About 20% 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?
Thursday 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 13% 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 August 31, 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.
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
6.9
Boarding
8.2
Food
7.6
Reviews
1 / 20
10.0
ExcellentRegan,Aug 2026
YYZ - YVR
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
6.9
Boarding
8.2
Food
7.6
Reviews
1 / 20
10.0
ExcellentRegan,Aug 2026
YYZ - YVR
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
6.9
Boarding
8.2
Food
7.6
Reviews
1 / 20
10.0
ExcellentRegan,Aug 2026
YYZ - YVR
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
6.9
Boarding
8.2
Food
7.6
Reviews
1 / 20
10.0
ExcellentRegan,Aug 2026
YYZ - YVR
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
6.9
Boarding
8.2
Food
7.6
Reviews
1 / 20
10.0
ExcellentRegan,Aug 2026
YYZ - YVR
Crew
8.6
Overall
8.0
Comfort
8.0
Entertainment
6.9
Boarding
8.2
Food
7.6
Reviews
1 / 20
10.0
ExcellentRegan,Aug 2026
YYZ - 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.
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
Montreal flight routes
Other flight options
Other flights from Chicago
Popular flights
Alternative routes for Chicago to Montreal
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Montreal by adding a car rental and/or hotel reservation to your travel itinerary.
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 August 31, 2026.
Chicago and Montreal flights
Browse other Chicago and Montreal flight options. Last updated on August 31, 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 August 31, 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 August 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$111 | Average$236 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$151 | Average$379 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$159 | Average$428 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$160 | Average$315 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$336 | Average$461 | FlexibilityNo cancel fee | On-time71% |