$150+ Cheap flights from O'Hare Intl (ORD) to Pierre Elliott Trudeau Intl (YUL)
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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YUL
Nov 21 — Nov 281
Round-trip
1 adult, Economy
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Find cheap flights from O'Hare Intl to Pierre Elliott Trudeau Intl 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
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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 Pierre Elliott Trudeau Intl are usually found in February or April, booked 57 days in advance, depart on a Thursday or Friday and return on a Thursday
Cheap flight deals from O'Hare Intl to Pierre Elliott Trudeau Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from O'Hare Intl to Pierre Elliott Trudeau IntlExplore the most affordable flight options available from O'Hare Intl to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 22, 2026.
Explore the most affordable flight options available from O'Hare Intl to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 22, 2026.
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 12/35:05 pm -
1 stop5h 28m
Tue 12/87:10 am -
1 stop5h 34m
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 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.
Mon 12/72:30 pm -
1 stop6h 12m
Fri 12/113:00 pm -
2 stops6h 55m
Deal found 10/22![Multiple 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
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
Best flights from O'Hare Intl to Pierre Elliott Trudeau IntlDiscover carefully curated flight deals from O'Hare Intl to Pierre Elliott Trudeau Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 22, 2026.
Discover carefully curated flight deals from O'Hare Intl to Pierre Elliott Trudeau Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 22, 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 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 10/20. 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 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.
Wed 11/257:05 am -
1 stop7h 53m
Mon 11/302:30 pm -
1 stop8h 48m
Deal found 10/22![Delta logo]()
$344
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 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.
Wed 12/25:54 pm -
Nonstop2h 23m
Sat 1/96:00 am -
Nonstop3h 07m
Deal found 10/22![United Airlines logo]()
$460
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 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 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.
Fri 11/272:44 pm -
1 stop4h 03m
Tue 12/16:00 am -
1 stop5h 59m
Deal found 10/19![Delta logo]()
$421
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 11/147:00 am -
1 stop5h 40m
Mon 11/1612:50 pm -
1 stop8h 27m
Deal found 10/18![Delta logo]()
$421
Last-minute flights from O'Hare Intl to Pierre Elliott Trudeau IntlDiscover last-minute flight deals from O'Hare Intl to Pierre Elliott Trudeau Intl. Data last updated October 22, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Pierre Elliott Trudeau Intl. Data last updated October 22, 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
Fri 11/1311:10 am -
1 stop5h 28m
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 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1310:15 am -
1 stop7h 45m
Sat 11/1410:10 am -
1 stop6h 28m
Deal found 10/21![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.
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
One-way flights from O'Hare Intl to Pierre Elliott Trudeau IntlSearch for one-way flight options from O'Hare Intl to Pierre Elliott Trudeau Intl. Find affordable one-way fares based on user searches. Data last updated October 22, 2026.
Search for one-way flight options from O'Hare Intl to Pierre Elliott Trudeau Intl. Find affordable one-way fares based on user searches. Data last updated October 22, 2026.
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 Super.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 Super.com 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 10/20![Porter Airlines logo]()
$152
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1112:15 pm -
1 stop5h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Porter Airlines logo]()
$154
This 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1512:15 pm -
1 stop5h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Porter Airlines logo]()
$158
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 10/19. 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.
Sat 11/211:55 pm -
1 stop6h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![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 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
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/312:15 pm -
1 stop5h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/19![Porter Airlines logo]()
$167
Find flight deals from O'Hare Intl to Pierre Elliott Trudeau Intl
Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Pierre Elliott Trudeau Intl (YUL). 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 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $327 (United Airlines) |
One-way from | $150 (Air Canada) |
Popular in | November |
Cheapest in | February |
Average price | $460 |
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 Pierre Elliott Trudeau Intl 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 22, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport 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
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 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
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 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
Wed 12/30
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
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
Thu 12/10
2:41 pm-11:33 pm
1 stop7h 52m
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 11/3
5:54 pm-9:17 pm
Nonstop2h 23m
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
Sat 1/30
8:04 am-11:30 am
Nonstop2h 26m
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 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
Showing 1-10 of 21 resultsSorted by cheapest first
Compare providers for flights from O'Hare Intl to Pierre Elliott Trudeau Intl
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 Pierre Elliott Trudeau Intl in October.
| 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 O'Hare Intl Airport-Montreal Pierre Elliott Trudeau Intl Airport 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 Pierre Elliott Trudeau Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Montreal Pierre Elliott Trudeau Intl Airport 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 Pierre Elliott Trudeau Intl Airport 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 Pierre Elliott Trudeau Intl Airport 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 Pierre Elliott Trudeau Intl
Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau Intl from O'Hare Intl with our price prediction graph.
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 Pierre Elliott Trudeau Intl Airport
Prices
Airlines
Delays
How far ahead should I book a flight from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?
Booking 55 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport?
Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport (average of $256). Flying from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport in November is currently the most expensive (average of $504). 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 YUL?
Find hourly flight availability from O'Hare Intl to Pierre Elliott Trudeau Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 22, 2026.
It’s optimal to fly from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport in the morning. By choosing this option you can save up to 19% on the cost of your flight, compared to a flight in the evening.
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.
The best insider tips for Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport trip
Our travel experts
Reviews of airlines servicing Pierre Elliott Trudeau Intl
Get insights into the airlines that provide service to Pierre Elliott Trudeau Intl. 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 Pierre Elliott Trudeau Intl. Reviews last updated October 22, 2026.
Read reviews from past customers who have flown Porter Airlines,Delta, andUnited Airlines from Chicago O'Hare Intl Airport to Montreal Pierre Elliott Trudeau Intl Airport. 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.
Comfort
8.0
Entertainment
6.9
Overall
8.0
Food
7.6
Boarding
8.2
Crew
8.6
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Comfort
8.0
Entertainment
6.9
Overall
8.0
Food
7.6
Boarding
8.2
Crew
8.6
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Comfort
8.0
Entertainment
6.9
Overall
8.0
Food
7.6
Boarding
8.2
Crew
8.6
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Comfort
8.0
Entertainment
6.9
Overall
8.0
Food
7.6
Boarding
8.2
Crew
8.6
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Comfort
8.0
Entertainment
6.9
Overall
8.0
Food
7.6
Boarding
8.2
Crew
8.6
Reviews
1 / 20
8.0
ExcellentD,Sep 2026
YHM - YVR
Comfort
8.0
Entertainment
6.9
Overall
8.0
Food
7.6
Boarding
8.2
Crew
8.6
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 Pierre Elliott Trudeau Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Montreal Pierre Elliott Trudeau Intl Airport?
Book flights to Montreal Pierre Elliott Trudeau Intl Airport if you plan to visit one of these locationsCornwall
Longueuil
Laval
Dorval
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O'Hare Intl and Pierre Elliott Trudeau Intl flights
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Top 5 airlines flying from O'Hare Intl to Pierre Elliott Trudeau Intl
Discover the top 5 airlines that operate flights from O'Hare Intl to Pierre Elliott Trudeau Intl. 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 22, 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% |