Montreal

$144+ 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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YMQ
Sep 14 — Sep 211
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Cheapflights Tip: The best prices from Chicago O'Hare Intl to Montreal are usually found in November or April, booked 44 days in advance, depart on a Thursday or Monday and return on a Thursday

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 August 15, 2026.

This Air Canada deal was found by Cheapflights users on 8/12. 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 9/811:05 am -
Nonstop2h 15m
Tue 9/84:30 pm -
1 stop5h 11m
Deal found 8/12$241
This iWofly deal was found by Cheapflights users on 8/14. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/222:00 pm -
1 stop6h 45m
Wed 9/238:40 am -
Nonstop2h 35m
Deal found 8/14$248
This Trip.com deal was found by Cheapflights users on 8/10. 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.
Sun 9/203:45 pm -
1 stop5h 05m
Mon 9/218:40 am -
Nonstop2h 35m
Deal found 8/10$252
This Air Canada deal was found by Cheapflights users on 8/11. 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 9/22:00 pm -
1 stop6h 47m
Thu 9/38:40 am -
Nonstop2h 36m
Deal found 8/11$270
This Gotogate deal was found by Cheapflights users on 8/13. 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.
Thu 9/1011:05 am -
Nonstop2h 15m
Sun 9/138:40 am -
Nonstop2h 35m
Deal found 8/13$302
This Air Canada deal was found by Cheapflights users on 8/13. 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 8/293:40 pm -
Nonstop2h 28m
Tue 9/16:30 pm -
Nonstop2h 35m
Deal found 8/13$312

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 August 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$241
(Air Canada)

One-way from

$144
(Delta)

Popular in

December

Cheapest in

November

Average price

$410

Good round-trip deal

$388 or less

Good one-way deal

$216 or less
Provider with most accurate pricing for Chicago O'Hare Intl-Montreal (YMQ) flight deals.
Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Montreal (YMQ) flights.
From Chicago O'Hare Intl to Montreal (YMQ)
One-way flight from Chicago O'Hare Intl to Montreal (YMQ)
High demand for flights, 1% potential price rise
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in August 2026
Price to beat on a round-trip flight from Chicago O'Hare Intl to Montreal (YMQ).
Price to beat on a one-way flight from Chicago O'Hare Intl to Montreal (YMQ).

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 August 15, 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

ChicagoMontreal

ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl

ORDYUL

Chicago O'Hare Intl

Sat 9/5

2:30 pm-11:30 pm

1 stop8h 00m

Montreal Pierre Elliott Trudeau Intl

Tue 9/8

7:00 am-4:37 pm

1 stop10h 37m

$346

ChicagoMontreal

ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl

ORDYUL

Chicago O'Hare Intl

Tue 9/8

8:45 am-2:40 pm

1 stop4h 55m

Montreal Pierre Elliott Trudeau Intl

Tue 9/8

6:30 pm-8:12 pm

Nonstop2h 42m

$346

ChicagoMontreal

ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl

ORDYUL

Chicago O'Hare Intl

Sat 9/5

5:56 pm-9:26 pm

Nonstop2h 30m

Montreal Pierre Elliott Trudeau Intl

Tue 9/8

4:55 pm-6:43 pm

Nonstop2h 48m

$368

ChicagoMontreal

ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl

ORDYUL

Chicago O'Hare Intl

Fri 9/4

1:59 pm-11:30 pm

1 stop8h 31m

Montreal Pierre Elliott Trudeau Intl

Tue 9/8

6:00 am-12:59 pm

1 stop7h 59m

$371

ChicagoMontreal

ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl

ORDYUL

Chicago O'Hare Intl

Sun 8/30

6:59 am-11:56 am

1 stop3h 57m

Montreal Pierre Elliott Trudeau Intl

Wed 9/9

9:30 am-4:30 pm

1 stop8h 00m

$371

ChicagoMontreal

ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl

ORDYUL

Chicago O'Hare Intl

Fri 10/16

2:00 pm-9:45 pm

1 stop6h 45m

Montreal Pierre Elliott Trudeau Intl

Sun 10/18

7:30 am-1:19 pm

1 stop6h 49m

$385

ChicagoMontreal

ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl

ORDYUL

Chicago O'Hare Intl

Thu 9/10

6:00 am-4:10 pm

1 stop9h 10m

Montreal Pierre Elliott Trudeau Intl

Sun 9/13

8:45 am-1:21 pm

1 stop5h 36m

$417

ChicagoMontreal

ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl

ORDYUL

Chicago O'Hare Intl

Fri 10/9

6:30 am-5:38 pm

1 stop10h 08m

Montreal Pierre Elliott Trudeau Intl

Mon 10/12

12:50 pm-8:30 pm

1 stop8h 40m

$427

ChicagoMontreal

ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl

ORDYUL

Chicago O'Hare Intl

Sun 8/23

6:40 am-5:46 pm

1 stop10h 06m

Montreal Pierre Elliott Trudeau Intl

Wed 8/26

9:30 am-7:12 pm

1 stop10h 42m

$468

ChicagoMontreal

ORD Chicago O'Hare Intl - YUL Montreal Pierre Elliott Trudeau Intl

ORDYUL

Chicago O'Hare Intl

Fri 9/4

1:59 pm-11:30 pm

1 stop8h 31m

Montreal Pierre Elliott Trudeau Intl

Mon 9/7

6:00 am-1:08 pm

1 stop8h 08m

$478

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

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 August.
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

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

Currently, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Montreal (average of $273). Flying from Chicago O'Hare Intl Airport to Montreal in December is currently the most expensive (average of $467). 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 August 15, 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 in the morning, which can drop the price by up to 17% 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 August 15, 2026.

The most flights from ORD to YMQ are scheduled on a Wednesday (31 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (24 on average).

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

Airfare is below average for this route at the moment.
Chicago O'Hare Intl Airport to Montreal flights typically cost between $364 and $537 in September.
The cheapest round-trip price found within the last 5 days was $241 on Air Canada (Sep 8-Sep 8).

How often are flights from Chicago to Montreal delayed?

About 20% of weekly flights between Chicago and Montreal have experienced delays in the past year, with the average delay time being 141 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?

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, American Airlines have had the lowest number of delays on this route, with just 13% 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 55 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 August 15, 2026.
Get a feel of what it's like to fly with Porter Airlines,Delta, andUnited 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.

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

6.9

Overall

8.0

Food

7.5

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

6.9

Overall

8.0

Food

7.5

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

6.9

Overall

8.0

Food

7.5

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

6.9

Overall

8.0

Food

7.5

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

6.9

Overall

8.0

Food

7.5

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.

Boarding

8.2

Crew

8.6

Comfort

8.0

Entertainment

6.9

Overall

8.0

Food

7.5

Reviews

1 / 20
10.0
Excellent

Regan,Aug 2026

YYZ - YVR

My first flight with an all female flight crew who were the best ever.

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 Delta or United Airlines 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 $149 and $159, respectively. You may be able to fly from Chicago O'Hare Intl Airport to Montreal for 70% 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 United Airlines ($117), Air Canada ($128), and American Airlines ($131).

  • 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: Finnair (100%), American Airlines (89%), Envoy Air( 89%).

  • 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 $1,539, our data shows the cheapest flight currently is $152. When looking at the most popular route, (Chicago O'Hare Intl - Montreal Pierre Elliott Trudeau Intl), you can expect to pay $303 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, February is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Montreal (average of $273). Flying from Chicago O'Hare Intl Airport to Montreal in December is currently the most expensive (average of $467). 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.

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 August 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$111Average$236FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$149Average$378FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$159Average$428FlexibilityNo cancel feeOn-time69%
Porter AirlinesCheapest$160Average$315FlexibilityNo cancel feeOn-time52%
American AirlinesCheapest$336Average$461FlexibilityNo cancel feeOn-time71%

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