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$70+ 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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YMQ
Jan 21 — Jan 281
Wed 1/21
Wed 1/28
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Montreal are usually found in November or October, booked 77 days in advance, depart on a Thursday or Saturday 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 December 22, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/19. 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.
Thu 12/256:00 amORD - YUL
2 stops17h 30mMultiple Airlines
Tue 12/305:10 pmYUL - ORD
1 stop16h 21mMultiple Airlines
Deal found 12/19$545
This Kiwi.com deal was found by Cheapflights users on 12/19. 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.
Thu 12/256:00 amORD - YUL
2 stops17h 30mMultiple Airlines
Fri 1/26:20 pmYUL - ORD
1 stop15h 30mMultiple Airlines
Deal found 12/19$549
This United Airlines deal was found by Cheapflights users on 12/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:35 amORD - YUL
Nonstop2h 25mUnited Airlines
Tue 1/64:45 pmYUL - ORD
Nonstop3h 06mUnited Airlines
Deal found 12/19$554
This Air Canada deal was found by Cheapflights users on 12/21. 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 12/288:30 pmORD - YUL
1 stop4h 23mAir Canada
Mon 1/51:10 pmYUL - ORD
1 stop7h 30mAir Canada
Deal found 12/21$577
This Kiwi.com deal was found by Cheapflights users on 12/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/287:00 amORD - YUL
1 stop3h 59mWestJet
Thu 1/12:40 pmYUL - ORD
1 stop22h 10mWestJet
Deal found 12/18$583
This Air Canada deal was found by Cheapflights users on 12/21. 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 12/302:00 pmORD - YUL
1 stop4h 22mAir Canada
Mon 1/57:00 amYUL - ORD
1 stop7h 01mAir Canada
Deal found 12/21$596
This Air Canada deal was found by Cheapflights users on 12/19. 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 12/262:00 pmORD - YUL
1 stop4h 22mAir Canada
Fri 1/27:00 amYUL - ORD
1 stop13h 45mAir Canada
Deal found 12/19$601
This United Airlines deal was found by Cheapflights users on 12/21. 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.
Mon 12/2910:35 amORD - YUL
Nonstop2h 25mUnited Airlines
Tue 1/62:13 pmYUL - ORD
1 stop5h 24mUnited Airlines
Deal found 12/21$605

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 December 22, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$202
(American Airlines)

One-way from

$70
(Air Canada)

Popular in

February

Cheapest in

November

Average price

$464

Good round-trip deal

$524 or less

Good one-way deal

$442 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. 20% potential increase in price ($89 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 22, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Montreal that are best for you.

Fly from

O'Hare Intl

Fly to

Montreal

Route

Depart

Return

Price

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Tue 2/17

6:45 am-4:53 pm

1 stop9h 08m

Montreal Pierre Elliott Trudeau Intl

Tue 2/24

6:00 pm-11:56 pm

1 stop6h 56m

$237

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 2/21

5:37 pm-11:10 pm

1 stop4h 33m

Montreal Pierre Elliott Trudeau Intl

Mon 2/23

7:00 am-4:50 pm

1 stop10h 50m

$237

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 2/14

2:03 pm-11:10 pm

1 stop8h 07m

Montreal Pierre Elliott Trudeau Intl

Sun 2/15

6:00 am-9:41 am

1 stop4h 41m

$237

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Wed 2/4

5:30 am-4:55 pm

1 stop10h 25m

Montreal Pierre Elliott Trudeau Intl

Mon 2/9

6:02 pm-11:56 pm

1 stop6h 54m

$237

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 2/12

5:25 am-4:53 pm

1 stop10h 28m

Montreal Pierre Elliott Trudeau Intl

Sun 2/15

6:00 am-1:20 pm

1 stop8h 20m

$237

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Mon 2/2

9:55 am-4:55 pm

1 stop6h 00m

Montreal Pierre Elliott Trudeau Intl

Mon 2/9

2:15 pm-10:34 pm

1 stop9h 19m

$237

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 2/21

6:30 am-11:59 am

1 stop4h 29m

Montreal Pierre Elliott Trudeau Intl

Wed 2/25

7:00 am-4:51 pm

1 stop10h 51m

$237

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sun 2/1

6:50 am-12:04 pm

1 stop4h 14m

Montreal Pierre Elliott Trudeau Intl

Wed 2/4

6:02 pm-11:56 pm

1 stop6h 54m

$237

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Fri 2/20

5:25 am-4:53 pm

1 stop10h 28m

Montreal Pierre Elliott Trudeau Intl

Mon 2/23

2:29 pm-10:05 pm

1 stop8h 36m

$237

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Wed 2/18

5:25 am-4:53 pm

1 stop10h 28m

Montreal Pierre Elliott Trudeau Intl

Wed 2/25

6:00 am-9:41 am

1 stop4h 41m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 20 results
1
2

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 December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chicago O'Hare Intl Airport-Montreal flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 December 19, 2025.

The best time to book flights from Chicago O'Hare Intl Airport to Montreal is 77 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 $103). 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 December 22, 2025.

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 22% versus a flight in the morning.

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 December 22, 2025.

The most flights from ORD to YMQ are scheduled on a Tuesday (22 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (17 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 15% of weekly flights between Chicago and Montreal have experienced delays in the past year, with the average delay time being 135 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?

Saturday 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 12% 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 December 22, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American 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
8,017 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Overall

7.9

Crew

8.5

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
8,017 reviews
Delta
7.9
Good
8,017 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Overall

7.9

Crew

8.5

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
9,100 reviews
Delta
7.9
Good
8,017 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Overall

7.9

Crew

8.5

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
7.2
Good
11,051 reviews
Delta
7.9
Good
8,017 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Overall

7.9

Crew

8.5

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
10,550 reviews
Delta
7.9
Good
8,017 reviews

Comfort

7.9

Entertainment

7.9

Food

7.3

Boarding

8.1

Overall

7.9

Crew

8.5

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 9h 08m. Fly via Delta to get the fastest option. The distance between Chicago O'Hare Intl Airport and Montreal is about 745 mi.

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

    Flying on United Airlines is currently your cheapest option to Montreal, with prices starting at $126. Additional round-trip tickets that might be worth considering are offered by Air Canada and American Airlines, with the lowest prices starting at $147 and $192, respectively. You may be able to fly from Chicago O'Hare Intl Airport to Montreal for 64% 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: Republic Airways (80%), Porter Airlines (79%), Japan Airlines( 76%).

  • 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 $185. When looking at the most popular route, (Chicago O'Hare Intl - Montreal Pierre Elliott Trudeau Intl), you can expect to pay $191 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 $103). 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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Top 3 airlines flying from O'Hare Intl to Montreal

Discover the top 3 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 December 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$148Average$367FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$164Average$398FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$192Average$405FlexibilityNo cancel feeOn-time71%

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