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$101+ 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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YMQ
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$232
(Kiwi.com)

One-way from

$101
(iWofly)

Popular in

December

Cheapest in

September

Average price

$310

Good round-trip deal

$453 or less

Good one-way deal

$177 or less
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. 3% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 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 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 September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/235:20 pmMDW - YUL
1 stop3h 55mPorter Airlines
Mon 10/276:45 amYUL - MDW
1 stop4h 20mPorter Airlines
Deal found 9/9$232
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/245:20 pmMDW - YUL
1 stop3h 55mPorter Airlines
Sun 10/266:45 amYUL - MDW
1 stop4h 20mPorter Airlines
Deal found 9/9$235
This Trip.com deal was found by Cheapflights users on 9/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/75:20 pmMDW - YUL
1 stop3h 55mPorter Airlines
Tue 10/1410:45 amYUL - MDW
1 stop6h 39mPorter Airlines
Deal found 9/9$238
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/44:15 pmMDW - YUL
1 stop5h 30mPorter Airlines
Tue 12/96:45 amYUL - MDW
1 stop4h 20mPorter Airlines
Deal found 9/9$240
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/209:35 amMDW - YUL
1 stop5h 25mPorter Airlines
Thu 10/231:10 pmYUL - MDW
1 stop4h 14mPorter Airlines
Deal found 9/9$242
This Flightnetwork deal was found by Cheapflights users on 9/9. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2310:40 amORD - YUL
Nonstop2h 14mAir Canada
Mon 10/279:25 amYUL - ORD
Nonstop2h 53mAir Canada
Deal found 9/9$247
This Trip.com deal was found by Cheapflights users on 9/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/95:20 pmMDW - YUL
1 stop3h 55mPorter Airlines
Tue 10/1410:45 amYUL - MDW
1 stop6h 39mPorter Airlines
Deal found 9/9$253
This Mytrip deal was found by Cheapflights users on 9/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/248:40 amORD - YUL
Nonstop2h 14mAir Canada
Fri 10/319:25 amYUL - ORD
Nonstop2h 53mAir Canada
Deal found 9/9$253
This Mytrip deal was found by Cheapflights users on 9/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1311:00 amMDW - YUL
1 stop6h 45mPorter Airlines
Mon 11/1710:15 amYUL - MDW
1 stop6h 05mPorter Airlines
Deal found 9/9$256
This Trip.com deal was found by Cheapflights users on 9/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/189:35 amMDW - YUL
1 stop7h 20mPorter Airlines
Tue 10/211:10 pmYUL - MDW
1 stop4h 14mPorter Airlines
Deal found 9/9$259
This Trip.com deal was found by Cheapflights users on 9/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/119:35 amMDW - YUL
1 stop7h 20mPorter Airlines
Wed 10/151:10 pmYUL - MDW
1 stop4h 14mPorter Airlines
Deal found 9/9$260
This Air Canada deal was found by Cheapflights users on 9/9. 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.
Fri 12/57:15 amORD - YUL
Nonstop2h 05mAir Canada
Fri 12/51:10 pmYUL - ORD
1 stop7h 20mAir Canada
Deal found 9/9$261

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 September 11, 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

Thu 10/23

5:20 pm-10:15 pm

1 stop3h 55m

Montreal Pierre Elliott Trudeau Intl

Mon 10/27

11:25 am-3:20 pm

1 stop4h 55m

$234

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Tue 10/7

5:20 pm-10:15 pm

1 stop3h 55m

Montreal Pierre Elliott Trudeau Intl

Tue 10/14

10:45 am-4:24 pm

1 stop6h 39m

$238

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Sat 10/18

9:35 am-5:55 pm

1 stop7h 20m

Montreal Pierre Elliott Trudeau Intl

Tue 10/21

1:10 pm-4:24 pm

1 stop4h 14m

$259

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Sat 10/18

9:35 am-5:55 pm

1 stop7h 20m

Montreal Pierre Elliott Trudeau Intl

Wed 10/22

10:45 am-4:24 pm

1 stop6h 39m

$260

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Sat 10/11

9:35 am-5:55 pm

1 stop7h 20m

Montreal Pierre Elliott Trudeau Intl

Tue 10/14

10:45 am-4:24 pm

1 stop6h 39m

$260

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Thu 10/23

9:35 am-4:00 pm

1 stop5h 25m

Montreal Pierre Elliott Trudeau Intl

Sun 10/26

6:45 am-10:05 am

1 stop4h 20m

$264

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Sun 10/12

5:20 pm-10:15 pm

1 stop3h 55m

Montreal Pierre Elliott Trudeau Intl

Wed 10/15

1:10 pm-4:24 pm

1 stop4h 14m

$264

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Thu 10/30

4:15 pm-10:45 pm

1 stop5h 30m

Montreal Pierre Elliott Trudeau Intl

Sun 11/2

5:45 am-9:05 am

1 stop4h 20m

$265

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Mon 10/20

5:20 pm-10:15 pm

1 stop3h 55m

Montreal Pierre Elliott Trudeau Intl

Thu 10/23

10:45 am-4:24 pm

1 stop6h 39m

$265

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Wed 12/3

11:00 am-5:45 pm

1 stop5h 45m

Montreal Pierre Elliott Trudeau Intl

Thu 12/11

6:45 am-10:05 am

1 stop4h 20m

$266

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 60 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, January is the cheapest month in which you can book a flight from Illinois to Montreal (average of $270). Flying from Illinois 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 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 September 11, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Montreal as you normally would.

Weekly flight availability from Illinois to Montreal

Explore weekly flight availability from Illinois 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 11, 2025.

The most flights from USIL to YMQ are scheduled on a Wednesday (28 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (26 on average).

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 2h 29m. Porter Airlines provides one of the quickest options available for as low as $299. The distance from Illinois to Montreal is about 745 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 $101. However, be on the lookout for offers from Air Canada and American 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 Republic Airways (82%), Alaska Airlines (82%) or Copa Airlines (77%) 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 $773 for a flight from Illinois to Montreal. The cheapest flight overall is $74 while the most popular route, (Chicago O'Hare Intl - Montreal Pierre Elliott Trudeau Intl) is currently priced at $274.

  • 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, January is the cheapest month in which you can book a flight from Illinois to Montreal (average of $270). Flying from Illinois 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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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$162Average$396FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$192Average$405FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$215Average$379FlexibilityNo cancel feeOn-time69%
Porter AirlinesCheapest$245Average$391FlexibilityNo cancel feeOn-time52%

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