$149+ Cheap flights from O'Hare Intl (ORD) 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.
ORD — YMQ
Nov 22 — Nov 291
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from O'Hare Intl 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 O'Hare Intl to Montreal are usually found in February or April, booked 44 days in advance, depart on a Thursday or Friday and return on a Thursday
Cheap flight deals from O'Hare Intl to Montreal
Cheapest
Best
Last-minute
One-way
Cheapest flights from O'Hare Intl to MontrealExplore the most affordable flight options available from O'Hare Intl to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 23, 2026.
Explore the most affordable flight options available from O'Hare Intl to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 23, 2026.
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 11/201:55 pm -
1 stop6h 50m
Fri 11/273:10 pm -
1 stop5h 48m
Deal found 10/23![Air Canada logo]()
$326
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 12/255:45 pm -
Nonstop2h 32m
Thu 12/314:45 pm -
Nonstop3h 00m
Deal found 10/22![United Airlines logo]()
$327
This Booking.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 11/77:05 am -
Nonstop2h 12m
Tue 11/106:10 pm -
Nonstop2h 42m
Deal found 10/20![Air Canada logo]()
$328
This deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:05 am -
Nonstop2h 12m
Tue 11/1711:10 am -
1 stop5h 28m
Deal found 10/20![Air Canada logo]()
$330
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 12/37:05 am -
1 stop7h 54m
Sat 12/57:10 am -
1 stop5h 42m
Deal found 10/22![Delta logo]()
$331
This Mytrip deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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.
Thu 12/108:45 am -
2 stops11h 08m
Sun 12/133:00 pm -
2 stops6h 55m
Deal found 10/20![Air Canada logo]()
$332
This American Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/118:08 am -
Nonstop2h 17m
Sat 11/1412:10 pm -
Nonstop3h 05m
Deal found 10/19![American Airlines logo]()
$333
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 12/77:00 am -
1 stop4h 46m
Mon 12/73:20 pm -
1 stop9h 08m
Deal found 10/22![United Airlines logo]()
$334
This Air Canada deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 12/107:20 am -
1 stop5h 26m
Mon 12/149:10 am -
1 stop5h 03m
Deal found 10/20![Air Canada logo]()
$335
This Air Canada deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 11/198:45 am -
1 stop4h 40m
Mon 11/239:25 am -
Nonstop2h 42m
Deal found 10/20![Air Canada logo]()
$336
This FlightHub deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 12/1412:15 pm -
1 stop5h 51m
Tue 12/299:45 am -
1 stop8h 55m
Deal found 10/21![Porter Airlines logo]()
$337
Best flights from O'Hare Intl to MontrealDiscover carefully curated flight deals from O'Hare Intl to Montreal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 23, 2026.
Discover carefully curated flight deals from O'Hare Intl to Montreal that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 23, 2026.
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/232:44 pm -
1 stop7h 43m
Sat 11/286:00 am -
1 stop9h 04m
Deal found 10/22![Delta logo]()
$331
This United Airlines deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 1/39:35 pm -
1 stop12h 13m
Sat 1/97:00 am -
1 stop5h 47m
Deal found 10/22![United Airlines logo]()
$363
This United deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 12/257:04 am -
1 stop7h 12m
Fri 12/259:35 pm -
2 stops12h 33m
Deal found 10/21![Multiple Airlines logo]()
$401
This Delta deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 11/197:05 am -
1 stop7h 53m
Mon 11/239:40 am -
1 stop9h 42m
Deal found 10/20![Delta logo]()
$342
This KAYAK deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/157:00 am -
1 stop9h 10m
Tue 11/179:15 am -
1 stop6h 23m
Deal found 10/21![United Airlines logo]()
$363
This United deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 12/224:00 pm -
1 stop14h 46m
Fri 12/2510:40 am -
2 stops11h 00m
Deal found 10/22![Multiple Airlines logo]()
$424
This Delta deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/207:05 am -
1 stop7h 53m
Mon 11/232:30 pm -
1 stop5h 55m
Deal found 10/18![Delta logo]()
$421
This United deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 11/245:54 pm -
Nonstop2h 23m
Sat 11/287:45 am -
1 stop6h 35m
Deal found 10/20![Multiple Airlines logo]()
$425
This Delta deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/217:25 am -
1 stop7h 33m
Tue 11/246:35 pm -
1 stop6h 19m
Deal found 10/18![Delta logo]()
$421
This Delta deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:49 am -
1 stop9h 44m
Thu 12/107:00 am -
1 stop6h 24m
Deal found 10/19![Delta logo]()
$421
This United deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 12/257:04 am -
1 stop7h 12m
Tue 12/2910:40 am -
2 stops10h 18m
Deal found 10/20![Multiple Airlines logo]()
$479
This Delta deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 1/212:33 pm -
1 stop10h 04m
Sun 1/1012:45 pm -
1 stop6h 47m
Deal found 10/22![Delta logo]()
$432
Last-minute flights from O'Hare Intl to MontrealDiscover last-minute flight deals from O'Hare Intl to Montreal. Data last updated October 23, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Montreal. Data last updated October 23, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/61:55 pm -
1 stop6h 50m
Wed 11/111:10 pm -
Nonstop2h 52m
Deal found 10/21![Air Canada logo]()
$339
This Booking.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 11/77:05 am -
Nonstop2h 12m
Tue 11/106:10 pm -
Nonstop2h 42m
Deal found 10/20![Air Canada logo]()
$328
This Air Canada deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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.
Sun 11/87:05 am -
Nonstop2h 12m
Wed 11/111:10 pm -
Nonstop2h 52m
Deal found 10/21![Air Canada logo]()
$334
This Air Canada deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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
Wed 11/113:10 pm -
1 stop5h 48m
Deal found 10/21![Air Canada logo]()
$331
This deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:05 am -
Nonstop2h 12m
Tue 11/1711:10 am -
1 stop5h 28m
Deal found 10/20![Air Canada logo]()
$330
This American Airlines deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/118:08 am -
Nonstop2h 17m
Sat 11/1412:10 pm -
Nonstop3h 05m
Deal found 10/19![American Airlines logo]()
$333
This Air Canada deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 11/128:45 am -
1 stop4h 40m
Mon 11/166:10 pm -
Nonstop2h 42m
Deal found 10/20![Air Canada logo]()
$338
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 Air Canada deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 11/141:55 pm -
1 stop4h 36m
Tue 11/1710:40 am -
2 stops8h 03m
Deal found 10/20![Air Canada logo]()
$340
This Air Canada deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 11/198:45 am -
1 stop4h 40m
Mon 11/239:25 am -
Nonstop2h 42m
Deal found 10/20![Air Canada logo]()
$336
This Air Canada deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Sat 11/211:10 pm -
1 stop5h 33m
Deal found 10/19![Air Canada logo]()
$335
One-way flights from O'Hare Intl to MontrealSearch for one-way flight options from O'Hare Intl to Montreal. Find affordable one-way fares based on user searches. Data last updated October 23, 2026.
Search for one-way flight options from O'Hare Intl to Montreal. Find affordable one-way fares based on user searches. Data last updated October 23, 2026.
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 12/113:45 pm -
Nonstop2h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Air Canada logo]()
$149
This Air Canada deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 11/101:55 pm -
1 stop6h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Air Canada logo]()
$150
This Kiwi.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/166:00 am -
2 stops15h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Multiple Airlines logo]()
$152
This United Airlines 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/161:00 pm -
1 stop5h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![United Airlines logo]()
$153
This Air Canada deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/223:40 pm -
Nonstop2h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Air Canada logo]()
$157
This Kiwi.com deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” 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 12/2912:15 pm -
1 stop5h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/20![Porter Airlines logo]()
$160
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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 12/2910:33 am -
Nonstop2h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![United Airlines logo]()
$161
This Air Canada deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” 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 11/71:55 pm -
Nonstop2h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Air Canada logo]()
$162
This Air Canada deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” 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.
Sun 11/87:05 am -
Nonstop2h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![Air Canada logo]()
$164
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/912:15 pm -
1 stop5h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Porter Airlines logo]()
$165
This Air Canada deal was found by Cheapflights users on 10/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/37:20 am -
1 stop5h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Air Canada logo]()
$166
Find flight deals from O'Hare Intl to Montreal
Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) 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 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $326 (Air Canada) |
One-way from | $149 (Air Canada) |
Popular in | November |
Cheapest in | February |
Average price | $421 |
Good round-trip deal | $433 or less |
Good one-way deal | $235 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from O'Hare Intl 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 23, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Montreal that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
ChicagoMontreal
ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl
ORDYUL
Chicago O'Hare Intl
Sun 1/3
9:35 pm-10:48 am
1 stop12h 13m
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
Tue 12/29
10:33 am-2:00 pm
Nonstop2h 27m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$161
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
$172
ChicagoMontreal
ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl
ORDYUL
Chicago O'Hare Intl
Wed 11/18
8:08 am-11:25 am
Nonstop2h 17m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$172
ChicagoMontreal
ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl
ORDYUL
Chicago O'Hare Intl
Sat 12/5
3:00 pm-11:48 pm
1 stop7h 48m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$182
ChicagoMontreal
ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl
ORDYUL
Chicago O'Hare Intl
Wed 11/18
6:00 am-1:40 pm
1 stop6h 40m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$182
ChicagoMontreal
ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl
ORDYUL
Chicago O'Hare Intl
Tue 12/29
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
$182
ChicagoMontreal
ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl
ORDYUL
Chicago O'Hare Intl
Wed 12/30
6:25 am-5:25 pm
1 stop10h 00m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$198
ChicagoMontreal
ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl
ORDYUL
Chicago O'Hare Intl
Wed 12/30
5:45 pm-9:17 pm
Nonstop2h 32m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$217
ChicagoMontreal
ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl
ORDYUL
Chicago O'Hare Intl
Wed 3/3
3:45 pm-9:40 pm
1 stop4h 55m
Montreal Pierre Elliott Trudeau Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$222
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from O'Hare Intl 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 O'Hare Intl to Montreal in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Montreal flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Montreal flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Montreal flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-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 O'Hare Intl Airport-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 O'Hare Intl to Montreal
Have a flexible travel schedule? Discover the best time to fly to Montreal from O'Hare Intl with our price prediction graph.
ORD-YMQ
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 O'Hare Intl Airport to Montreal
ORD-YMQ
ORD-YUL
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Montreal?
Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Montreal (average of $273). Flying from Chicago O'Hare Intl Airport to Montreal in November is currently the most expensive (average of $486). 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 ORD to YMQ?
Find hourly flight availability from O'Hare Intl 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 23, 2026.
When flying from Chicago O'Hare Intl Airport to Montreal, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 19% versus a flight in the evening.
Weekly flight availability from Chicago O'Hare Intl Airport to Montreal
Explore weekly flight availability from O'Hare Intl 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 October 23, 2026.
The most flights from ORD to YMQ are scheduled on a Thursday (31 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).
How much does it cost to fly round-trip from Chicago O'Hare Intl Airport to Montreal?
Airfare is typical for this route at the moment.
Chicago O'Hare Intl Airport to Montreal flights typically cost between $321 and $510 in December.The cheapest round-trip price found within the last 5 days was $326 on Air Canada (Dec 3-Dec 7).
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 140 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 O'Hare Intl Airport to Montreal?
The best time to book flights from Chicago O'Hare Intl Airport to Montreal is 55 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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 23, 2026.
Get a feel of what it's like to fly with Porter Airlines,United Airlines, andAir Canada from Chicago O'Hare Intl Airport to Montreal by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.6
Entertainment
6.9
Overall
8.0
Food
7.6
Comfort
8.0
Boarding
8.2
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Crew
8.6
Entertainment
6.9
Overall
8.0
Food
7.6
Comfort
8.0
Boarding
8.2
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Crew
8.6
Entertainment
6.9
Overall
8.0
Food
7.6
Comfort
8.0
Boarding
8.2
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Crew
8.6
Entertainment
6.9
Overall
8.0
Food
7.6
Comfort
8.0
Boarding
8.2
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Crew
8.6
Entertainment
6.9
Overall
8.0
Food
7.6
Comfort
8.0
Boarding
8.2
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Related info for your journey
Find useful and relevant information for your journey from O'Hare Intl 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 O'Hare Intl
Popular flights
Alternative routes for O'Hare Intl 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 O'Hare Intl to Montreal by cabin class
Find flights from O'Hare Intl 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 23, 2026.
O'Hare Intl and Montreal flights
Browse other O'Hare Intl and Montreal flight options. Last updated on October 23, 2026.
Other flights from O'Hare Intl
Browse through other flights departing from O'Hare Intl. Flights are based on user searches made on Cheapflights and were last updated on October 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from O'Hare Intl to Montreal
Discover the top 5 airlines that operate flights from O'Hare Intl 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 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$111 | Average$236 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$153 | Average$461 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$153 | Average$382 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$160 | Average$315 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$346 | Average$458 | FlexibilityNo cancel fee | On-time71% |