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$120+ 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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YMQ
May 11 — May 181
Mon 5/11
Mon 5/18
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Montreal are usually found in November or October, booked 88 days in advance, depart on a Thursday or Friday and return on a Friday

Cheap flight deals from O'Hare Intl to Montreal

Cheapest flights from O'Hare Intl to Montreal
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 April 11, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3112:45 pm
ORD
-
YUL
1 stop5h 00m
Porter Airlines
Thu 11/56:45 am
YUL
-
ORD
1 stop4h 20m
Porter Airlines
Deal found 4/6$266
This Air Canada deal was found by Cheapflights users on 4/9. 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 9/218:45 am
ORD
-
YUL
Nonstop2h 15m
Air Canada
Mon 9/212:30 pm
YUL
-
ORD
1 stop6h 46m
Air Canada
Deal found 4/9$267
This Flightnetwork deal was found by Cheapflights users on 4/6. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/78:45 am
ORD
-
YUL
Nonstop2h 15m
Air Canada
Sun 5/1011:10 am
YUL
-
ORD
1 stop4h 45m
Air Canada
Deal found 4/6$268
This Kiwi.com deal was found by Cheapflights users on 4/8. 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.
Wed 4/221:27 pm
ORD
-
YUL
2 stops27h 58m
Multiple Airlines
Sat 4/258:00 am
YUL
-
ORD
1 stop14h 17m
Multiple Airlines
Deal found 4/8$269
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:45 am
ORD
-
YUL
1 stop5h 25m
Porter Airlines
Fri 10/1610:35 am
YUL
-
ORD
1 stop5h 00m
Porter Airlines
Deal found 4/6$270
This Mytrip deal was found by Cheapflights users on 4/7. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/83:40 pm
ORD
-
YUL
Nonstop2h 24m
Air Canada
Sun 5/108:40 am
YUL
-
ORD
Nonstop2h 38m
Air Canada
Deal found 4/7$275
This Kiwi.com deal was found by Cheapflights users on 4/8. 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.
Fri 10/23:20 pm
ORD
-
YUL
1 stop3h 50m
Porter Airlines
Mon 10/510:35 am
YUL
-
ORD
1 stop5h 00m
Porter Airlines
Deal found 4/8$286

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 April 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$267
(Air Canada)

One-way from

$120
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$301

Good round-trip deal

$406 or less

Good one-way deal

$227 or less
Provider with most accurate pricing for Chicago O'Hare Intl-Montreal (YMQ) flight deals.
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Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Montreal (YMQ) flights.
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From Chicago O'Hare Intl to Montreal (YMQ)
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One-way flight from Chicago O'Hare Intl to Montreal (YMQ)
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Highest demand for flights based on searches. 0% potential increase in price ($1 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in April 2026
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Price to beat on a round-trip flight from Chicago O'Hare Intl to Montreal (YMQ).
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Price to beat on a one-way flight from Chicago O'Hare Intl to Montreal (YMQ).
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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 April 11, 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

Price

Cheapest round-trip
Quickest round-trip

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Wed 6/10

7:10 am-10:40 am

Nonstop2h 30m

Montreal Pierre Elliott Trudeau Intl

Sat 6/13

9:45 am-11:20 am

Nonstop2h 35m

$321

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Fri 5/29

3:47 pm-11:41 pm

1 stop6h 54m

Montreal Pierre Elliott Trudeau Intl

Sun 5/31

7:00 am-4:56 pm

1 stop10h 56m

$325

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Tue 5/5

6:03 pm-9:26 pm

Nonstop2h 23m

Montreal Pierre Elliott Trudeau Intl

Mon 5/11

9:15 am-4:30 pm

1 stop8h 15m

$336

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Wed 4/29

7:10 am-5:40 pm

1 stop9h 30m

Montreal Pierre Elliott Trudeau Intl

Mon 5/4

9:30 am-6:39 pm

1 stop10h 09m

$346

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Wed 5/6

11:00 am-7:45 pm

1 stop7h 45m

Montreal Pierre Elliott Trudeau Intl

Wed 5/13

6:35 pm-11:44 pm

1 stop6h 09m

$346

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Tue 4/21

7:00 am-11:59 am

1 stop3h 59m

Montreal Pierre Elliott Trudeau Intl

Thu 4/30

7:00 am-4:42 pm

1 stop10h 42m

$346

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sun 5/3

5:00 am-1:09 pm

1 stop7h 09m

Montreal Pierre Elliott Trudeau Intl

Sun 5/10

6:00 am-10:53 am

1 stop5h 53m

$346

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 4/23

7:10 am-5:40 pm

1 stop9h 30m

Montreal Pierre Elliott Trudeau Intl

Sun 4/26

12:42 pm-9:25 pm

1 stop9h 43m

$346

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 6/11

2:07 pm-11:28 pm

1 stop8h 21m

Montreal Pierre Elliott Trudeau Intl

Sun 6/14

12:48 pm-10:13 pm

1 stop10h 25m

$346

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Wed 5/27

6:30 am-2:40 pm

1 stop7h 10m

Montreal Pierre Elliott Trudeau Intl

Sat 5/30

6:00 am-11:04 am

1 stop6h 04m

$346

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/6

Showing 1-10 of 22 resultsSorted by cheapest first
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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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Montreal?

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Montreal. Price data was last updated on April 10, 2026.

The best time to book flights from Chicago O'Hare Intl Airport to Montreal is 88 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.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Montreal?

Currently, April is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Montreal (average of $99). Flying from Chicago O'Hare Intl Airport to Montreal in July is currently the most expensive (average of $283). 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 April 11, 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 29% 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 April 11, 2026.

The most flights from ORD to YMQ are scheduled on a Wednesday (25 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (21 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 18% 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 evening 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 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, United Airlines have had the lowest number of delays on this route, with just 14% of flights being delayed.

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 April 11, 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.
Delta
7.9
Good
8,404 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.9

Food

7.2

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,404 reviews
Delta
7.9
Good
8,404 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.9

Food

7.2

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,567 reviews
Delta
7.9
Good
8,404 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.9

Food

7.2

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.1
Good
11,568 reviews
Delta
7.9
Good
8,404 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.9

Food

7.2

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air Canada
7.1
Good
10,915 reviews
Delta
7.9
Good
8,404 reviews

Entertainment

7.8

Crew

8.5

Comfort

7.9

Food

7.2

Boarding

8.1

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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.

  • How long is the flight from Chicago O'Hare Intl Airport to Montreal?

    There are many flights that can get you from Chicago O'Hare Intl Airport to Montreal in 2h 30m. Fly via United Airlines or Delta to get the fastest option. The distance between Chicago O'Hare Intl Airport and Montreal is about 745 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Montreal round-trip?

    Flying on Delta is currently your cheapest option to Montreal, with prices starting at $111. Additional round-trip tickets that might be worth considering are offered by Air Canada and United Airlines, with the lowest prices starting at $148 and $170, respectively. You may be able to fly from Chicago O'Hare Intl Airport to Montreal for 66% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Montreal one-way?

    The cheapest airlines for a one-way flight from Chicago O'Hare Intl Airport to Montreal are Air Canada ($64), American Airlines ($74), and United Airlines ($74).

  • What are the most reliable airlines from Chicago O'Hare Intl Airport to Montreal?

    Before booking your flight to Montreal from Chicago O'Hare Intl Airport, check out the most reliable airlines to get you to your destination on time: Alaska Airlines (81%), American Airlines (80%), Envoy Air( 80%).

  • What are the cheapest flights from Chicago O'Hare Intl Airport to Montreal?

    While on average a flight from Chicago O'Hare Intl Airport to Montreal is generally $1,074, our data shows the cheapest flight currently is $91. When looking at the most popular route, (Chicago O'Hare Intl - Montreal Pierre Elliott Trudeau Intl), you can expect to pay $299 for that flight.

  • Can I find deals for flights from O'Hare Intl to Montreal that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Montreal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Montreal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Montreal.

  • Can I find deals for business class flights from O'Hare Intl to Montreal?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Montreal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Montreal?

    Currently, April is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Montreal (average of $99). Flying from Chicago O'Hare Intl Airport to Montreal in July is currently the most expensive (average of $283). 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.

See more FAQs

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Alternative routes for O'Hare Intl to Montreal

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Pierre Elliott Trudeau Intl flights
O'Hare Intl to Québec City flights
O'Hare Intl to Ottawa flights
Midway to Québec City flights
Midway to Ottawa flights

Top 4 airlines flying from O'Hare Intl to Montreal

Discover the top 4 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 April 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$111Average$236FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$148Average$366FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$170Average$363FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$213Average$405FlexibilityNo cancel feeOn-time71%

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