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$136+ Cheap flights from Illinois 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 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YMQ
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Illinois to Montreal

Keep the following information in mind while searching for Illinois to Montreal flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$212
(American Airlines)

One-way from

$136
(SmartFares)

Popular in

December

Cheapest in

September

Average price

$360

Good round-trip deal

$393 or less

Good one-way deal

$234 or less
Provider with most accurate pricing for Chicago (CHI)-Montreal (YMQ) flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Montreal (YMQ) flights.
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From Illinois to Montreal (YMQ)
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One-way flight from Illinois to Montreal (YMQ)
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Highest demand for flights based on searches. 5% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Illinois to Montreal (YMQ).
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Price to beat on a one-way flight from Illinois to Montreal (YMQ).
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Find flight deals from Illinois to Montreal

Cheapest flights from Illinois to Montreal
Explore the most affordable flight options available from Illinois to Montreal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/29. 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 12/116:15 amORD - YUL
1 stop9h 08mMultiple Airlines
Sun 12/148:00 amYUL - ORD
1 stop16h 02mMultiple Airlines
Deal found 10/29$280
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Sun 12/285:52 pmORD - YUL
Nonstop2h 25mUnited Airlines
Tue 1/66:00 amYUL - ORD
Nonstop3h 05mUnited Airlines
Deal found 10/29$288
This Booking.com deal was found by Cheapflights users on 10/28. 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 12/612:50 pmORD - YUL
Nonstop2h 07mAir Canada
Sun 12/79:25 amYUL - ORD
Nonstop2h 53mAir Canada
Deal found 10/28$291
This Trip.com deal was found by Cheapflights users on 10/29. 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.
Sat 12/204:15 pmMDW - YUL
1 stop5h 30mPorter Airlines
Tue 12/2311:25 amYUL - MDW
1 stop4h 55mPorter Airlines
Deal found 10/29$293
This Trip.com deal was found by Cheapflights users on 10/30. 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.
Mon 12/84:15 pmMDW - YUL
1 stop5h 30mPorter Airlines
Sat 12/138:55 amYUL - MDW
1 stop3h 55mPorter Airlines
Deal found 10/30$294
This Trip.com deal was found by Cheapflights users on 10/30. 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.
Mon 12/154:15 pmMDW - YUL
1 stop5h 30mPorter Airlines
Mon 12/2211:25 amYUL - MDW
1 stop4h 55mPorter Airlines
Deal found 10/30$295
This Trip.com deal was found by Cheapflights users on 10/30. 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.
Fri 12/194:15 pmMDW - YUL
1 stop5h 30mPorter Airlines
Sun 12/2810:15 amYUL - MDW
1 stop6h 05mPorter Airlines
Deal found 10/30$296
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/278:51 amORD - YUL
1 stop5h 25mUnited Airlines
Tue 1/66:00 amYUL - ORD
Nonstop3h 05mUnited Airlines
Deal found 10/29$298
This Gotogate deal was found by Cheapflights users on 10/29. 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 12/1111:00 amMDW - YUL
1 stop4h 30mPorter Airlines
Sun 12/146:45 amYUL - MDW
1 stop4h 20mPorter Airlines
Deal found 10/29$299
This Flightnetwork deal was found by Cheapflights users on 10/28. 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.
Fri 12/58:00 amORD - YUL
1 stop5h 22mAir Canada
Tue 12/99:25 amYUL - ORD
Nonstop2h 53mAir Canada
Deal found 10/28$300
This Gotogate deal was found by Cheapflights users on 10/28. 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.
Sun 12/2111:00 amMDW - YUL
1 stop4h 30mPorter Airlines
Thu 12/2510:15 amYUL - MDW
1 stop6h 05mPorter Airlines
Deal found 10/28$301
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Mon 12/154:15 pmMDW - YUL
1 stop5h 30mPorter Airlines
Fri 12/1910:15 amYUL - MDW
1 stop6h 05mPorter Airlines
Deal found 10/30$302

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois 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 October 30, 2025.
Use the filters below to find and compare flights from Illinois to Montreal that are best for you.

Fly from

Illinois

Fly to

Montreal

Route

Depart

Return

Price

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Fri 1/30

6:00 am-4:57 pm

1 stop9h 57m

Montreal Pierre Elliott Trudeau Intl

Wed 2/4

12:50 pm-10:26 pm

1 stop10h 36m

$236

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Sat 2/14

5:59 pm-11:12 pm

1 stop4h 13m

Montreal Pierre Elliott Trudeau Intl

Sat 2/21

6:00 am-12:35 pm

1 stop7h 35m

$236

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Thu 4/2

10:35 am-5:04 pm

1 stop5h 29m

Montreal Pierre Elliott Trudeau Intl

Sat 4/4

6:00 am-12:35 pm

1 stop7h 35m

$236

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Thu 1/29

6:00 am-4:57 pm

1 stop9h 57m

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

12:50 pm-10:26 pm

1 stop10h 36m

$236

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Wed 4/1

7:00 am-12:20 pm

1 stop4h 20m

Montreal Pierre Elliott Trudeau Intl

Tue 4/14

4:55 pm-8:35 pm

1 stop4h 40m

$236

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Mon 4/27

9:30 am-5:07 pm

1 stop6h 37m

Montreal Pierre Elliott Trudeau Intl

Wed 4/29

7:00 am-2:18 pm

1 stop8h 18m

$236

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 2/14

1:35 pm-11:12 pm

1 stop8h 37m

Montreal Pierre Elliott Trudeau Intl

Sat 2/21

7:00 am-4:39 pm

1 stop10h 39m

$236

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Wed 4/1

11:00 am-5:45 pm

1 stop5h 45m

Montreal Pierre Elliott Trudeau Intl

Fri 4/3

6:45 am-10:05 am

1 stop4h 20m

$243

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 2/21

3:35 pm-6:40 pm

Nonstop2h 05m

Montreal Pierre Elliott Trudeau Intl

Sat 2/28

8:30 am-7:25 pm

1 stop11h 55m

$250

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Wed 3/25

10:00 am-5:55 pm

1 stop6h 55m

Montreal Pierre Elliott Trudeau Intl

Sun 3/29

6:10 pm-7:47 am

1 stop14h 37m

$260

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 53 results
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Best time to book a flight from Illinois to Montreal

Have a flexible travel schedule? Discover the best time to fly to Montreal from Illinois 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 Illinois to Montreal

What is the cheapest month to book a flight from Illinois to Montreal?

Currently, November is the cheapest month in which you can book a flight from Illinois to Montreal (average of $131). Flying from Illinois to Montreal in December is currently the most expensive (average of $294). 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 IL to YMQ?

Find hourly flight availability from Illinois 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 October 30, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 23% on flights from Illinois to Montreal by exploring options for tickets in the morning.

How much does it cost to fly round-trip from Illinois to Montreal?

Related info for your journey

Find useful and relevant information for your journey from Illinois 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 Illinois to Montreal?

    A quick flight from Illinois to Montreal can take about 9h 57m. Delta provides one of the quickest options available for as low as $236. The distance from Illinois to Montreal is about 743 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Illinois to Montreal one-way?

    The cheapest airline one-way is Porter Airlines, with whom users have recently found tickets for as low as $138. However, be on the lookout for offers from Air Canada and United Airlines, as they are both options that can get you from Illinois to Montreal for a low price.

  • What are the most popular routes from Illinois to Montreal?

    The most popular flight routes from Illinois to Montreal are Chicago O'Hare Intl - Montreal Pierre Elliott Trudeau Intl, Chicago Midway - Montreal Pierre Elliott Trudeau Intl and Lambert-St Louis - Montreal Pierre Elliott Trudeau Intl.

  • What are the most reliable airlines from Illinois to Montreal?

    No one likes to see their flight delayed. When booking a flight from Illinois to Montreal consider choosing Alaska Airlines (88%), Republic Airways (88%) or American Airlines (85%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Illinois to Montreal?

    On average you can expect to pay $855 for a flight from Illinois to Montreal. The cheapest flight overall is $131 while the most popular route, (Chicago O'Hare Intl - Montreal Pierre Elliott Trudeau Intl) is currently priced at $169.

  • Can I find deals for flights from Illinois to Montreal that include hotel bookings?

    Yes. In addition to deals on Illinois to Montreal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Montreal?

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

  • Can I find deals for business class flights from Illinois to Montreal?

    Yes. Cheapflights offers flight deals from Illinois 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 Illinois to Montreal?

    Currently, November is the cheapest month in which you can book a flight from Illinois to Montreal (average of $131). Flying from Illinois to Montreal in December is currently the most expensive (average of $294). 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 Illinois to Montreal

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Illinois to Montreal

Discover the top 4 airlines that operate flights from Illinois 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$164Average$413FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$192Average$405FlexibilityNo cancel feeOn-time71%
Porter AirlinesCheapest$249Average$457FlexibilityNo cancel feeOn-time52%
United AirlinesCheapest$256Average$414FlexibilityNo cancel feeOn-time69%

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