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$108+ 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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YMQ
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Montreal are usually found in September or April, booked 81 days in advance, depart on a Thursday or Monday and return on a Thursday

Cheap 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 September 17, 2025.

Round-trip from

$279
(Flightnetwork)

One-way from

$108
(Kiwi.com)

Popular in

January

Cheapest in

September

Average price

$320

Good round-trip deal

$459 or less

Good one-way deal

$174 or less
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 ($102 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in September 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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Find 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 September 17, 2025.

This Flightnetwork deal was found by Cheapflights users on 9/15. 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 10/3012:50 pmORD - YUL
Nonstop2h 07mAir Canada
Thu 11/61:10 pmYUL - ORD
Nonstop2h 45mAir Canada
Deal found 9/15$279
This Mytrip deal was found by Cheapflights users on 9/15. 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 10/238:40 amORD - YUL
Nonstop2h 14mAir Canada
Sun 10/266:15 pmYUL - ORD
Nonstop2h 45mAir Canada
Deal found 9/15$280
This Booking.com deal was found by Cheapflights users on 9/17. 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 11/112:50 pmORD - YUL
Nonstop2h 07mAir Canada
Sat 11/86:15 pmYUL - ORD
Nonstop2h 45mAir Canada
Deal found 9/17$281
This Mytrip deal was found by Cheapflights users on 9/15. 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.
Wed 10/159:55 amORD - YUL
1 stop5h 25mAir Canada
Wed 10/226:35 pmYUL - ORD
Nonstop2h 42mAir Canada
Deal found 9/15$283
This Booking.com deal was found by Cheapflights users on 9/16. 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.
Thu 10/307:15 amORD - YUL
Nonstop2h 05mAir Canada
Sun 11/29:25 amYUL - ORD
Nonstop2h 53mAir Canada
Deal found 9/16$284
This Mytrip deal was found by Cheapflights users on 9/15. 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 10/119:55 amORD - YUL
1 stop4h 25mAir Canada
Wed 10/158:20 amYUL - ORD
Nonstop2h 31mAir Canada
Deal found 9/15$288

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 September 17, 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

Wed 10/15

7:11 am-10:40 am

Nonstop2h 29m

Montreal Pierre Elliott Trudeau Intl

Wed 10/15

2:20 pm-7:58 pm

1 stop6h 38m

$299

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Wed 11/26

5:55 pm-9:17 pm

Nonstop2h 22m

Montreal Pierre Elliott Trudeau Intl

Wed 12/3

6:00 am-8:00 am

Nonstop3h 00m

$316

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Fri 10/10

2:08 pm-5:26 pm

Nonstop2h 18m

Montreal Pierre Elliott Trudeau Intl

Sun 10/12

6:15 am-8:01 am

Nonstop2h 46m

$316

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Tue 11/25

10:38 am-2:00 pm

Nonstop2h 22m

Montreal Pierre Elliott Trudeau Intl

Fri 11/28

6:00 am-8:00 am

Nonstop3h 00m

$317

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Wed 10/15

7:11 am-10:40 am

Nonstop2h 29m

Montreal Pierre Elliott Trudeau Intl

Wed 10/22

6:15 am-8:01 am

Nonstop2h 46m

$317

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 10/18

7:11 am-10:40 am

Nonstop2h 29m

Montreal Pierre Elliott Trudeau Intl

Thu 10/23

8:20 am-9:51 am

Nonstop2h 31m

$322

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 10/30

10:38 am-2:00 pm

Nonstop2h 22m

Montreal Pierre Elliott Trudeau Intl

Mon 11/3

6:15 pm-8:00 pm

Nonstop2h 45m

$322

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Fri 11/7

5:55 pm-9:17 pm

Nonstop2h 22m

Montreal Pierre Elliott Trudeau Intl

Mon 11/17

9:25 am-11:18 am

Nonstop2h 53m

$322

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 10/18

8:50 am-7:45 pm

1 stop9h 55m

Montreal Pierre Elliott Trudeau Intl

Tue 10/21

9:45 am-11:23 am

Nonstop2h 38m

$326

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Wed 10/8

7:10 am-1:09 pm

1 stop4h 59m

Montreal Pierre Elliott Trudeau Intl

Sun 10/12

6:15 am-8:01 am

Nonstop2h 46m

$326

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 20 results
1
2

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 September 12, 2025.

The best time to book flights from Chicago O'Hare Intl Airport to Montreal is 81 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, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Montreal (average of $270). Flying from Chicago O'Hare Intl Airport to Montreal in July is currently the most expensive (average of $409). 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 September 17, 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 28% 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 September 17, 2025.

The most flights from ORD to YMQ are scheduled on a Monday (30 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (27 on average).

How much does it cost to fly round-trip from Chicago O'Hare Intl Airport to Montreal?

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 September 17, 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
8.0
Very good
7,961 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,926 reviews
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
3,095 reviews
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
10,000 reviews
Delta
8.0
Very good
7,961 reviews

Overall

8.0

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 29m. Fly via United Airlines to get the fastest option. The distance between Chicago O'Hare Intl Airport and Montreal is about 745 mi. Most flights are nonstop.

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

    Flying on Air Canada is currently your cheapest option to Montreal, with prices starting at $163. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $192 and $215, respectively. You may be able to fly from Chicago O'Hare Intl Airport to Montreal for 60% less than the average price by searching for these airlines.

  • 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: American Airlines (83%), Envoy Air (83%), Republic Airways( 83%).

  • 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 $775, our data shows the cheapest flight currently is $74. When looking at the most popular route, (Chicago O'Hare Intl - Montreal Pierre Elliott Trudeau Intl), you can expect to pay $288 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, January is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Montreal (average of $270). Flying from Chicago O'Hare Intl Airport to Montreal in July is currently the most expensive (average of $409). 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$163Average$398FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$192Average$405FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$215Average$382FlexibilityNo cancel feeOn-time69%

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