$156+ Cheap flights from O'Hare Intl (ORD) 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YMQ
Jul 8 — Jul 151
Round-trip
1 adult, Economy
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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
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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 are usually found in November or October, booked 66 days in advance, depart on a Thursday or Monday 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 June 8, 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 June 8, 2026.
This Flightnetwork deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/87:25 am
ORD
- YUL
1 stop5h 22m
Air Canada
Thu 7/232:30 pm
YUL
- ORD
1 stop6h 46m
Air Canada
Deal found 6/7![Air Canada logo]()
$298
This Mytrip deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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.
Sat 8/228:45 am
ORD
- YUL
Nonstop2h 15m
Air Canada
Sat 8/222:30 pm
YUL
- ORD
1 stop6h 59m
Air Canada
Deal found 6/8![Air Canada logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 9/33:20 pm
ORD
- YUL
1 stop3h 50m
Porter Airlines
Mon 9/76:30 am
YUL
- ORD
1 stop5h 30m
Porter Airlines
Deal found 6/8![Porter Airlines logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/93:20 pm
ORD
- YUL
1 stop3h 50m
Porter Airlines
Thu 10/1510:35 am
YUL
- ORD
1 stop5h 00m
Porter Airlines
Deal found 6/7![Porter Airlines logo]()
$308
This Mytrip deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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.
Sat 8/17:25 am
ORD
- YUL
1 stop5h 22m
Air Canada
Mon 8/38:40 am
YUL
- ORD
Nonstop2h 36m
Air Canada
Deal found 6/6![Air Canada logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3011:00 am
ORD
- YUL
1 stop4h 30m
Porter Airlines
Sun 11/16:45 am
YUL
- ORD
1 stop4h 20m
Porter Airlines
Deal found 6/7![Porter Airlines logo]()
$312
This Kiwi.com deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 9/243:20 pm
ORD
- YUL
1 stop5h 50m
Porter Airlines
Sun 9/2710:35 am
YUL
- ORD
1 stop5h 00m
Porter Airlines
Deal found 6/7![Porter Airlines logo]()
$315
This Air Canada deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 7/298:45 am
ORD
- YUL
Nonstop2h 15m
Air Canada
Thu 8/136:30 pm
YUL
- ORD
Nonstop2h 35m
Air Canada
Deal found 6/7![Air Canada logo]()
$316
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 June 8, 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 June 8, 2026.
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/185:18 pm
ORD
- YUL
1 stop5h 07m
Delta
Sat 7/256:00 am
YUL
- ORD
1 stop8h 46m
Delta
Deal found 6/8![Delta logo]()
$372
This United deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 6/206:04 pm
ORD
- YUL
Nonstop2h 22m
Multiple Airlines
Wed 6/248:40 am
YUL
- ORD
Nonstop2h 36m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$397
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 9/42:01 pm
ORD
- YUL
Nonstop2h 29m
United Airlines
Fri 9/119:45 am
YUL
- ORD
Nonstop2h 36m
United Airlines
Deal found 6/8![United Airlines logo]()
$407
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 6/237:01 am
ORD
- YUL
1 stop8h 16m
Delta
Fri 7/36:00 am
YUL
- ORD
1 stop8h 00m
Delta
Deal found 6/6![Delta logo]()
$381
This United deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 6/232:21 pm
ORD
- YUL
1 stop6h 45m
Multiple Airlines
Tue 6/308:45 am
YUL
- ORD
1 stop5h 25m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$401
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/112:08 pm
ORD
- YUL
Nonstop2h 22m
United Airlines
Tue 7/149:45 am
YUL
- ORD
Nonstop2h 35m
United Airlines
Deal found 6/8![United Airlines logo]()
$407
This United deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:00 am
ORD
- YUL
1 stop9h 10m
Multiple Airlines
Sun 7/198:55 am
YUL
- ORD
1 stop5h 15m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$401
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 6/275:58 pm
ORD
- YUL
Nonstop2h 28m
United Airlines
Sun 7/56:10 am
YUL
- ORD
Nonstop2h 40m
United Airlines
Deal found 6/6![United Airlines logo]()
$407
This United deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2510:40 am
ORD
- YUL
Nonstop2h 11m
Multiple Airlines
Sun 11/298:45 am
YUL
- ORD
1 stop5h 25m
Multiple Airlines
Deal found 6/7![Multiple Airlines logo]()
$402
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 7/75:58 pm
ORD
- YUL
Nonstop2h 28m
United Airlines
Sat 7/116:10 am
YUL
- ORD
Nonstop2h 40m
United Airlines
Deal found 6/5![United Airlines logo]()
$407
This United Airlines deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” 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 6/307:10 am
ORD
- YUL
Nonstop2h 30m
United Airlines
Sun 7/56:10 am
YUL
- ORD
Nonstop2h 40m
United Airlines
Deal found 6/6![United Airlines logo]()
$407
This United Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 8/52:08 pm
ORD
- YUL
Nonstop2h 22m
United Airlines
Sat 8/89:45 am
YUL
- ORD
Nonstop2h 35m
United Airlines
Deal found 6/5![United Airlines logo]()
$407
Last-minute flights from O'Hare Intl to MontrealDiscover last-minute flight deals from O'Hare Intl to Montreal. Data last updated June 8, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Montreal. Data last updated June 8, 2026 and is based on user searches.
This Flightnetwork deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/411:05 am
ORD
- YUL
Nonstop2h 23m
Air Canada
Sun 7/55:00 am
YUL
- ORD
1 stop5h 00m
Air Canada
Deal found 6/5![Air Canada logo]()
$329
This Gotogate deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/73:40 pm
ORD
- YUL
Nonstop2h 23m
Air Canada
Thu 7/168:55 am
YUL
- ORD
1 stop5h 15m
Air Canada
Deal found 6/7![Air Canada logo]()
$318
This Flightnetwork deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/87:25 am
ORD
- YUL
1 stop5h 22m
Air Canada
Thu 7/232:30 pm
YUL
- ORD
1 stop6h 46m
Air Canada
Deal found 6/7![Air Canada logo]()
$298
This Air Canada deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 7/83:40 pm
ORD
- YUL
Nonstop2h 23m
Air Canada
Sat 7/118:55 am
YUL
- ORD
1 stop5h 24m
Air Canada
Deal found 6/8![Air Canada logo]()
$317
This Mytrip deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 7/192:00 pm
ORD
- YUL
1 stop6h 47m
Air Canada
Sun 7/267:30 am
YUL
- ORD
1 stop6h 40m
Air Canada
Deal found 6/4![Air Canada logo]()
$323
This American Airlines deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:01 pm
ORD
- YUL
1 stop14h 47m
American Airlines
Wed 7/2212:30 pm
YUL
- ORD
Nonstop2h 40m
American Airlines
Deal found 6/5![American Airlines logo]()
$327
This Air Canada deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 7/298:45 am
ORD
- YUL
Nonstop2h 15m
Air Canada
Thu 8/136:30 pm
YUL
- ORD
Nonstop2h 35m
Air Canada
Deal found 6/7![Air Canada logo]()
$316
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 June 8, 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 June 8, 2026.
This Air Canada deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 9/88:45 am
ORD
- YUL
Nonstop2h 15m
Air Canada
Deal found 6/7![Air Canada logo]()
$156
This Delta deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” 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 9/810:35 am
ORD
- YUL
1 stop7h 18m
Delta
Deal found 6/7![Delta logo]()
$157
This American Airlines deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/238:00 am
ORD
- YUL
1 stop13h 59m
American Airlines
Deal found 6/4![American Airlines logo]()
$160
This FlightHub deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:45 am
ORD
- YUL
1 stop5h 25m
Porter Airlines
Deal found 6/7![Porter Airlines logo]()
$161
This Mytrip deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 8/303:45 pm
ORD
- YUL
1 stop5h 05m
Air Canada
Deal found 6/5![Air Canada logo]()
$163
This Air Canada deal was found by Cheapflights users on 6/5. Clicking the “Pick Dates” 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 8/248:45 am
ORD
- YUL
Nonstop2h 15m
Air Canada
Deal found 6/5![Air Canada logo]()
$164
This American Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/317:59 pm
ORD
- YUL
1 stop12h 49m
American Airlines
Deal found 6/8![American Airlines logo]()
$165
This Air Canada deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” 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 9/32:00 pm
ORD
- YUL
2 stops7h 20m
Air Canada
Deal found 6/8![Air Canada logo]()
$166
This Mytrip deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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.
Tue 6/237:25 am
ORD
- YUL
2 stops7h 00m
Air Canada
Deal found 6/4![Air Canada logo]()
$167
This Air Canada deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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 7/295:35 pm
ORD
- YUL
1 stop4h 47m
Air Canada
Deal found 6/4![Air Canada logo]()
$169
This Super.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” 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.
Thu 9/173:20 pm
ORD
- YUL
1 stop3h 50m
Porter Airlines
Deal found 6/4![Porter Airlines logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 6/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2711:00 am
ORD
- YUL
1 stop6h 45m
Porter Airlines
Deal found 6/4![Porter Airlines logo]()
$171
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 June 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $298 (Flightnetwork) |
One-way from | $156 (Air Canada) |
Popular in | December |
Cheapest in | November |
Average price | $418 |
Good round-trip deal | $437 or less |
Good one-way deal | $220 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 2,558,603 searches. Data last updated June 8, 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 - YUL
ORDYUL
Chicago O'Hare Intl
Sat 7/18
5:18 pm-11:25 pm
1 stop5h 07m
Montreal Pierre Elliott Trudeau Intl
Sat 7/25
6:00 am-1:46 pm
1 stop8h 46m
$372
ChicagoMontreal
ORD - YUL
ORDYUL
Chicago O'Hare Intl
Tue 6/23
7:01 am-4:17 pm
1 stop8h 16m
Montreal Pierre Elliott Trudeau Intl
Fri 7/3
6:00 am-1:00 pm
1 stop8h 00m
$381
ChicagoMontreal
ORD - YUL
ORDYUL
Chicago O'Hare Intl
Sat 6/20
6:04 pm-9:26 pm
Nonstop2h 22m
Montreal Pierre Elliott Trudeau Intl
Wed 6/24
8:40 am-10:16 am
Nonstop2h 36m
$397
ChicagoMontreal
ORD - YUL
ORDYUL
Chicago O'Hare Intl
Tue 6/23
2:21 pm-10:06 pm
1 stop6h 45m
Montreal Pierre Elliott Trudeau Intl
Tue 6/30
8:45 am-1:10 pm
1 stop5h 25m
$401
ChicagoMontreal
ORD - YUL
ORDYUL
Chicago O'Hare Intl
Wed 7/15
6:00 am-4:10 pm
1 stop9h 10m
Montreal Pierre Elliott Trudeau Intl
Sun 7/19
8:55 am-1:10 pm
1 stop5h 15m
$401
ChicagoMontreal
ORD - YUL
ORDYUL
Chicago O'Hare Intl
Wed 11/25
10:40 am-1:51 pm
Nonstop2h 11m
Montreal Pierre Elliott Trudeau Intl
Sun 11/29
8:45 am-1:10 pm
1 stop5h 25m
$402
ChicagoMontreal
ORD - YUL
ORDYUL
Chicago O'Hare Intl
Fri 9/4
2:01 pm-5:30 pm
Nonstop2h 29m
Montreal Pierre Elliott Trudeau Intl
Fri 9/11
9:45 am-11:21 am
Nonstop2h 36m
$407
Quickest round-trip
ChicagoMontreal
ORD - YUL
ORDYUL
Chicago O'Hare Intl
Sat 7/11
2:08 pm-5:30 pm
Nonstop2h 22m
Montreal Pierre Elliott Trudeau Intl
Tue 7/14
9:45 am-11:20 am
Nonstop2h 35m
$407
ChicagoMontreal
ORD - YUL
ORDYUL
Chicago O'Hare Intl
Sat 6/27
5:58 pm-9:26 pm
Nonstop2h 28m
Montreal Pierre Elliott Trudeau Intl
Sun 7/5
6:10 am-7:50 am
Nonstop2h 40m
$407
ChicagoMontreal
ORD - YUL
ORDYUL
Chicago O'Hare Intl
Tue 7/7
5:58 pm-9:26 pm
Nonstop2h 28m
Montreal Pierre Elliott Trudeau Intl
Sat 7/11
6:10 am-7:50 am
Nonstop2h 40m
$407
Showing 1-10 of 21 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 June.
| 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, October is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Montreal (average of $56). Flying from Chicago O'Hare Intl Airport to Montreal in July is currently the most expensive (average of $132). 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 June 8, 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 at noon, which can drop the price by up to 23% 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 June 8, 2026.
The most flights from ORD to YMQ are scheduled on a Monday (31 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (26 on average).
How much does it cost to fly round-trip from Chicago O'Hare Intl Airport to Montreal?
How often are flights from Chicago to Montreal delayed?
About 19% 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 in the early afternoon 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 Monday 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 86 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 June 8, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines 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.
Overall
7.9
Entertainment
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Entertainment
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Entertainment
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Entertainment
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Entertainment
7.8
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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.
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Other flights to Montreal
Explore flights to Montreal departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 8, 2026.
O'Hare Intl and Montreal flights
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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 2,558,603 searches. Data last updated June 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$111 | Average$236 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$155 | Average$380 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$159 | Average$390 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$160 | Average$315 | FlexibilityNo cancel fee | On-time52% | |
| Cheapest$192 | Average$439 | FlexibilityNo cancel fee | On-time71% |