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Cheap flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport from C$ 80

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 15/2. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — YUL
14 Jan — 21 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Chicago to Montreal Pierre Elliott Trudeau Intl are usually found in October or September, booked 76 days in advance, depart on a Monday or Friday and return on a Thursday

Cheap flight deals from Chicago to Pierre Elliott Trudeau Intl

Enter your travel dates to find the best prices.

Cheapest flights from Chicago to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Chicago to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 December 2025.

Wed 31/128:30 p.m.ORD - YUL
1 stop4h 23mAir Canada
Tue 6/111:10 a.m.YUL - ORD
1 stop5h 00mAir Canada
Deal found 13/12C$ 416
Mon 29/125:52 p.m.ORD - YUL
Nonstop2h 25mAir Canada
Mon 2/24:45 p.m.YUL - ORD
Nonstop3h 06mAir Canada
Deal found 15/12C$ 420
Mon 29/125:30 a.m.ORD - YUL
1 stop10h 45mDelta
Mon 2/26:02 p.m.YUL - ORD
1 stop6h 54mDelta
Deal found 15/12C$ 453
Tue 30/124:15 p.m.MDW - YUL
1 stop5h 30mPorter Airlines
Mon 5/111:25 a.m.YUL - MDW
1 stop4h 55mPorter Airlines
Deal found 15/12C$ 460
Sat 27/1211:00 a.m.MDW - YUL
1 stop4h 30mPorter Airlines
Fri 2/16:45 a.m.YUL - MDW
1 stop4h 25mPorter Airlines
Deal found 13/12C$ 461
Mon 29/1211:00 a.m.MDW - YUL
1 stop5h 45mPorter Airlines
Mon 2/26:45 a.m.YUL - MDW
1 stop4h 25mPorter Airlines
Deal found 15/12C$ 483
Mon 29/1211:00 a.m.MDW - YUL
1 stop4h 30mMultiple Airlines
Mon 19/16:45 a.m.YUL - MDW
1 stop28h 25mMultiple Airlines
Deal found 15/12C$ 518
Mon 29/122:00 p.m.ORD - YUL
1 stop4h 22mAir Canada
Mon 19/19:10 a.m.YUL - ORD
1 stop4h 51mAir Canada
Deal found 15/12C$ 518
Tue 30/124:15 p.m.MDW - YUL
1 stop5h 30mPorter Airlines
Sun 4/16:45 a.m.YUL - MDW
1 stop4h 25mPorter Airlines
Deal found 15/12C$ 559
Wed 24/1211:00 a.m.MDW - YUL
1 stop4h 30mPorter Airlines
Sat 27/126:45 a.m.YUL - MDW
1 stop4h 20mPorter Airlines
Deal found 13/12C$ 567
Tue 30/128:30 p.m.ORD - YUL
1 stop11h 52mAir Canada
Mon 5/110:10 a.m.YUL - ORD
1 stop6h 00mAir Canada
Deal found 15/12C$ 567
Wed 31/128:30 p.m.ORD - YUL
1 stop4h 23mAir Canada
Thu 1/110:10 a.m.YUL - ORD
1 stop6h 00mAir Canada
Deal found 14/12C$ 584

Find flight deals from Chicago to Pierre Elliott Trudeau Intl

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Pierre Elliott Trudeau Intl (YUL). 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 15 December 2025.

Round-trip from

C$ 273

One-way from

C$ 80

Popular in

December

Cheapest in

October

Average price

C$ 626

Good round-trip deal

C$ 384 or less

Good one-way deal

C$ 107 or less
American Airlines
  • American Airlines
  • 9/2-13/2
  • 1 total stop
  • 16h 50m total
  • Chicago to Montreal
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Porter Airlines
  • Porter Airlines
  • 15/2
  • 1 total stop
  • 4h 25m total
  • Chicago to Montreal
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 17 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Price to beat on a round-trip flight from Chicago (CHI) to Montreal Pierre Elliott Trudeau Intl.
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Price to beat on a one-way flight from Chicago (CHI) to Montreal Pierre Elliott Trudeau Intl.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago 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 15 December 2025.
Use the filters below to find and compare flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Chicago

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 14/2

11:50 a.m.-3:09 p.m.

Nonstop2h 19m

Montreal Pierre Elliott Trudeau Intl

Sat 21/2

7:12 a.m.-12:10 a.m.

1 stop17h 58m

C$ 280

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Wed 4/2

11:00 a.m.-5:45 p.m.

1 stop5h 45m

Montreal Pierre Elliott Trudeau Intl

Mon 9/2

6:45 a.m.-10:10 a.m.

1 stop4h 25m

C$ 317

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Sat 14/2

1:28 p.m.-11:10 p.m.

1 stop8h 42m

Montreal Pierre Elliott Trudeau Intl

Sat 21/2

7:00 a.m.-3:21 p.m.

1 stop9h 21m

C$ 325

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 12/2

6:45 a.m.-4:53 p.m.

1 stop9h 08m

Montreal Pierre Elliott Trudeau Intl

Tue 17/2

6:00 a.m.-1:22 p.m.

1 stop8h 22m

C$ 325

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Sat 7/2

1:26 p.m.-11:12 p.m.

1 stop8h 46m

Montreal Pierre Elliott Trudeau Intl

Sun 8/2

6:00 a.m.-12:46 p.m.

1 stop7h 46m

C$ 326

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Sun 1/2

1:26 p.m.-11:12 p.m.

1 stop8h 46m

Montreal Pierre Elliott Trudeau Intl

Sat 7/2

6:00 a.m.-12:46 p.m.

1 stop7h 46m

C$ 326

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Wed 4/2

9:35 a.m.-6:37 p.m.

1 stop8h 02m

Montreal Pierre Elliott Trudeau Intl

Mon 9/2

2:15 p.m.-10:34 p.m.

1 stop9h 19m

C$ 326

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 14/2

6:15 a.m.-1:40 p.m.

1 stop6h 25m

Montreal Pierre Elliott Trudeau Intl

Sat 21/2

6:00 a.m.-9:41 a.m.

1 stop4h 41m

C$ 326

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 21/2

6:30 a.m.-12:02 p.m.

1 stop4h 32m

Montreal Pierre Elliott Trudeau Intl

Thu 26/2

2:29 p.m.-10:05 p.m.

1 stop8h 36m

C$ 326

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Wed 8/4

11:00 a.m.-6:15 p.m.

1 stop6h 15m

Montreal Pierre Elliott Trudeau Intl

Sun 12/4

11:25 a.m.-3:20 p.m.

1 stop4h 55m

C$ 366

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/12

Showing 1-10 of 31 results
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Best time to book a flight from Chicago to Pierre Elliott Trudeau Intl

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

How far ahead should I book a flight from Chicago to Montreal Pierre Elliott Trudeau Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Pierre Elliott Trudeau Intl. Price data was last updated on 12 December 2025.

Booking 76 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, April is the cheapest month in which you can book a flight from Chicago to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 142). Flying from Chicago to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of C$ 390). 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 CHI to YUL?

Find hourly flight availability from Chicago 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 15 December 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport as you normally would.

Weekly flight availability from Chicago to Montreal Pierre Elliott Trudeau Intl Airport

Explore weekly flight availability from Chicago to Pierre Elliott Trudeau Intl. 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 15 December 2025.

The most flights from CHI to YUL are scheduled on a Tuesday (22 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (6 on average).

How much does it cost to fly round-trip from Chicago to Montreal Pierre Elliott Trudeau Intl Airport?

How often are flights from Chicago to Montreal delayed?

About 15% of weekly flights between Chicago and Montreal have experienced delays in the past year, with the average delay time being 135 minutes.

What is the most punctual flight time for Chicago to Montreal flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Monday 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 past year, American Airlines has had the lowest number of delays on this route, with just 12% of flights being delayed.

Related info for your journey

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

    There are many flights that can get you from Chicago to Montreal Pierre Elliott Trudeau Intl Airport in 2h 19m. Fly via American Airlines, Porter Airlines, or Delta to get the fastest option. Airlines will cover a distance of 1199 km. Both multi-stop and direct flights can be found to your destination and back.

  • What is the cheapest airline to fly from Chicago to Montreal Pierre Elliott Trudeau Intl Airport round-trip?

    Cheapflights users have booked flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport round-trip from C$ 304. This flight start at 38% lower than the current average price 3 months from now.

  • What are the most reliable airlines from Chicago 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 Chicago to Montreal Pierre Elliott Trudeau Intl Airport on time: Republic Airways (85%), Porter Airlines (82%), Japan Airlines (81%).

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

    Looking at all options, your cheapest flight can be booked for C$ 107. While the most popular route (Chicago O'Hare Intl - Montreal Pierre Elliott Trudeau Intl) can be booked for C$ 271 on average, our data indicates C$ 555 when flying from Chicago to Montreal Pierre Elliott Trudeau Intl Airport.

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

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

  • How can I find direct flights from Chicago 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 Chicago to Pierre Elliott Trudeau Intl.

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

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

    Currently, April is the cheapest month in which you can book a flight from Chicago to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 142). Flying from Chicago to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of C$ 390). 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
Sherbrooke
Cornwall
Trois-Rivières
Brossard
Montebello
Boucherville
Longueuil
Drummondville
Magog
Saint-Jean-sur-Richelieu
Bromont
North Hatley
Louiseville

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Chicago to Pierre Elliott Trudeau Intl

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Pierre Elliott Trudeau Intl flights
Midway to Pierre Elliott Trudeau Intl flights
St. Louis to Pierre Elliott Trudeau Intl flights

Top airline flying from Chicago to Pierre Elliott Trudeau Intl

Discover the top airline that operate flights from Chicago 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 15 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 339AverageC$ 664FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Chicago to Pierre Elliott Trudeau Intl?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Chicago to Pierre Elliott Trudeau Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Chicago to Pierre Elliott Trudeau Intl?

Cheapflights helps you find that perfect flight to Pierre Elliott Trudeau Intl from Chicago by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Chicago to Pierre Elliott Trudeau Intl with no change fees?

Yes! Cheapflights helps users easily find flights from Chicago to Pierre Elliott Trudeau Intl with no change fees.

Can Cheapflights notify me if prices for flights from Chicago to Pierre Elliott Trudeau Intl become cheaper?

Not ready to book yet? You can track prices for flights from Chicago to Pierre Elliott Trudeau Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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