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Cheap flights from Illinois to Montreal Pierre Elliott Trudeau Intl Airport from C$ 190

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 14/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YUL
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Illinois to Pierre Elliott Trudeau Intl

Enter your travel dates to find the best prices.

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

Thu 11/126:15 a.m.ORD - YUL
1 stop9h 08mMultiple Airlines
Sun 14/128:00 a.m.YUL - ORD
1 stop16h 02mMultiple Airlines
Deal found 29/10C$ 391
Sun 28/125:52 p.m.ORD - YUL
Nonstop2h 25mUnited Airlines
Tue 6/16:00 a.m.YUL - ORD
Nonstop3h 05mUnited Airlines
Deal found 29/10C$ 402
Sat 6/1212:50 p.m.ORD - YUL
Nonstop2h 07mAir Canada
Sun 7/129:25 a.m.YUL - ORD
Nonstop2h 53mAir Canada
Deal found 28/10C$ 406
Sat 20/124:15 p.m.MDW - YUL
1 stop5h 30mPorter Airlines
Tue 23/1211:25 a.m.YUL - MDW
1 stop4h 55mPorter Airlines
Deal found 29/10C$ 409
Mon 8/124:15 p.m.MDW - YUL
1 stop5h 30mPorter Airlines
Sat 13/128:55 a.m.YUL - MDW
1 stop3h 55mPorter Airlines
Deal found 30/10C$ 411
Fri 5/123:52 p.m.MDW - YUL
2 stops26h 52mMultiple Airlines
Tue 9/126:45 a.m.YUL - MDW
1 stop4h 20mMultiple Airlines
Deal found 28/10C$ 412
Thu 18/1211:00 a.m.MDW - YUL
1 stop5h 45mPorter Airlines
Sun 21/1211:25 a.m.YUL - MDW
1 stop4h 55mPorter Airlines
Deal found 29/10C$ 413
Sat 27/128:51 a.m.ORD - YUL
1 stop5h 25mUnited Airlines
Tue 6/16:00 a.m.YUL - ORD
Nonstop3h 05mUnited Airlines
Deal found 29/10C$ 416
Mon 8/1211:00 a.m.MDW - YUL
1 stop4h 30mPorter Airlines
Thu 11/126:45 a.m.YUL - MDW
1 stop4h 20mPorter Airlines
Deal found 28/10C$ 418
Fri 12/1211:00 a.m.MDW - YUL
1 stop4h 30mPorter Airlines
Sun 14/126:45 a.m.YUL - MDW
1 stop4h 20mPorter Airlines
Deal found 28/10C$ 419
Fri 5/128:00 a.m.ORD - YUL
1 stop5h 22mAir Canada
Tue 9/129:25 a.m.YUL - ORD
Nonstop2h 53mAir Canada
Deal found 28/10C$ 419
Fri 12/1211:00 a.m.MDW - YUL
1 stop6h 45mPorter Airlines
Fri 19/1211:25 a.m.YUL - MDW
1 stop4h 55mPorter Airlines
Deal found 28/10C$ 420

Cheap flight deals from Illinois to Pierre Elliott Trudeau Intl

Keep the following information in mind while searching for Illinois to Pierre Elliott Trudeau Intl flight deals. Data was last updated 30 October 2025.

Round-trip from

C$ 296

One-way from

C$ 190

Popular in

December

Cheapest in

September

Average price

C$ 503

Good round-trip deal

C$ 540 or less

Good one-way deal

C$ 197 or less
American Airlines
  • American Airlines
  • 16/1-18/1
  • 2 total stops
  • 15h 07m total
  • Illinois to Montreal
Search Deals
Porter Airlines
  • Porter Airlines
  • 14/12
  • 1 total stop
  • 6h 45m total
  • Illinois to Montreal
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Illinois to Montreal Pierre Elliott Trudeau Intl.
Search Deals
Price to beat on a one-way flight from Illinois to Montreal Pierre Elliott Trudeau Intl.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Pierre Elliott Trudeau Intl 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 629,999 searches. Data last updated 30 October 2025.
Use the filters below to find and compare flights from Illinois to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Illinois

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Sat 14/2

5:59 p.m.-11:12 p.m.

1 stop4h 13m

Montreal Pierre Elliott Trudeau Intl

Sat 21/2

7:00 a.m.-3:25 p.m.

1 stop9h 25m

C$ 330

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Fri 6/2

6:00 a.m.-4:57 p.m.

1 stop9h 57m

Montreal Pierre Elliott Trudeau Intl

Tue 10/2

7:00 a.m.-12:01 p.m.

1 stop6h 01m

C$ 330

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Thu 2/4

10:35 a.m.-5:04 p.m.

1 stop5h 29m

Montreal Pierre Elliott Trudeau Intl

Sat 4/4

6:00 a.m.-12:35 p.m.

1 stop7h 35m

C$ 330

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Thu 29/1

6:00 a.m.-4:57 p.m.

1 stop9h 57m

Montreal Pierre Elliott Trudeau Intl

Mon 2/2

12:50 p.m.-10:26 p.m.

1 stop10h 36m

C$ 330

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Wed 1/4

7:00 a.m.-12:20 p.m.

1 stop4h 20m

Montreal Pierre Elliott Trudeau Intl

Tue 14/4

4:55 p.m.-8:35 p.m.

1 stop4h 40m

C$ 330

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Fri 24/4

7:10 a.m.-5:07 p.m.

1 stop8h 57m

Montreal Pierre Elliott Trudeau Intl

Sun 26/4

6:15 p.m.-11:55 p.m.

1 stop6h 40m

C$ 330

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Fri 24/4

1:15 p.m.-11:58 p.m.

1 stop9h 43m

Montreal Pierre Elliott Trudeau Intl

Thu 30/4

12:45 p.m.-4:36 p.m.

1 stop4h 51m

C$ 330

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 12/2

5:50 a.m.-5:04 p.m.

1 stop10h 14m

Montreal Pierre Elliott Trudeau Intl

Sun 15/2

6:00 a.m.-9:35 a.m.

1 stop4h 35m

C$ 330

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Mon 27/4

9:30 a.m.-5:07 p.m.

1 stop6h 37m

Montreal Pierre Elliott Trudeau Intl

Wed 29/4

7:00 a.m.-2:18 p.m.

1 stop8h 18m

C$ 330

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 14/2

1:35 p.m.-11:12 p.m.

1 stop8h 37m

Montreal Pierre Elliott Trudeau Intl

Sat 21/2

7:00 a.m.-4:39 p.m.

1 stop10h 39m

C$ 330

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/10

Showing 1-10 of 46 results
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Best time to book a flight from Illinois to Pierre Elliott Trudeau Intl

Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl Airport

What is the cheapest month to book a flight from Illinois to Montreal Pierre Elliott Trudeau Intl Airport?

Currently, November is the cheapest month in which you can book a flight from Illinois to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 183). Flying from Illinois to Montreal Pierre Elliott Trudeau Intl Airport in December is currently the most expensive (average of C$ 411). 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 YUL?

Find hourly flight availability from Illinois to Pierre Elliott Trudeau Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 October 2025.

When flying from Illinois to Montreal Pierre Elliott Trudeau Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Pierre Elliott Trudeau Intl. 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 Pierre Elliott Trudeau Intl Airport?

    There are many flights that can get you from Illinois to Montreal Pierre Elliott Trudeau Intl Airport in 4h 13m. Fly via Delta, American Airlines, or United Airlines to get the fastest option. There are 1196 km between Illinois and Montreal Pierre Elliott Trudeau Intl Airport. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Illinois to Montreal Pierre Elliott Trudeau Intl Airport one-way?

    To fly one-way, consider booking your trip with Porter Airlines, which is currently one of the cheapest options available, starting at C$ 193. Air Canada flights start at C$ 194 while deals on United Airlines start at C$ 200 one-way.

  • What are the most popular routes from Illinois to Montreal Pierre Elliott Trudeau Intl Airport?

    The most popular route from Illinois to Montreal Pierre Elliott Trudeau Intl Airport is Chicago O'Hare Intl - Montreal Pierre Elliott Trudeau Intl. You may also consider Chicago Midway - Montreal Pierre Elliott Trudeau Intl or Lambert-St Louis - Montreal Pierre Elliott Trudeau Intl.

  • What are the most reliable airlines from Illinois to Montreal Pierre Elliott Trudeau Intl Airport?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Illinois to Montreal Pierre Elliott Trudeau Intl Airport on time: Alaska Airlines (88%), Republic Airways (88%), American Airlines (85%).

  • What are the cheapest flights from Illinois to Montreal Pierre Elliott Trudeau Intl Airport?

    Looking at all options, your cheapest flight can be booked for C$ 169. While the most popular route (Chicago O'Hare Intl - Montreal Pierre Elliott Trudeau Intl) can be booked for C$ 236 on average, our data indicates C$ 591 when flying from Illinois to Montreal Pierre Elliott Trudeau Intl Airport.

  • Can I find deals for flights from Illinois to Pierre Elliott Trudeau Intl that include hotel bookings?

    Yes. In addition to deals on Illinois to Pierre Elliott Trudeau Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Pierre Elliott Trudeau Intl?

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

  • Can I find deals for business class flights from Illinois to Pierre Elliott Trudeau Intl?

    Yes. Cheapflights offers flight deals from Illinois to Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl Airport?

    Currently, November is the cheapest month in which you can book a flight from Illinois to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 183). Flying from Illinois to Montreal Pierre Elliott Trudeau Intl Airport in December is currently the most expensive (average of C$ 411). 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

Travelling to a place near Montreal Pierre Elliott Trudeau Intl Airport?

Book flights to Montreal Pierre Elliott Trudeau Intl Airport if you plan to visit one of these locations
Laval
Dorval
Cornwall
Sherbrooke
Brossard
Longueuil
Montebello
Trois-Rivières
Drummondville
Saint-Jean-sur-Richelieu
Boucherville
Bromont
North Hatley
Louiseville

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Alternative routes for Illinois to Pierre Elliott Trudeau Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Illinois to Pierre Elliott Trudeau Intl

Discover the top airline that operate flights from Illinois to Pierre Elliott Trudeau Intl. 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 629,999 searches. Data last updated 30 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 344AverageC$ 666FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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