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Cheap flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport from C$ 83

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 27/3. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — YUL
3 Mar — 10 Mar1
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 Thursday 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 1 February 2026.

Thu 16/411:00 a.m.
MDW
-
YUL
1 stop5h 45m
Porter Airlines
Sun 19/410:15 a.m.
YUL
-
MDW
1 stop6h 05m
Porter Airlines
Deal found 1/2C$ 270
Sun 24/510:25 a.m.
MDW
-
YUL
1 stop5h 50m
Porter Airlines
Wed 27/510:35 a.m.
YUL
-
MDW
1 stop7h 15m
Porter Airlines
Deal found 31/1C$ 275
Fri 27/312:50 p.m.
ORD
-
YUL
Nonstop2h 05m
Air Canada
Mon 30/31:20 p.m.
YUL
-
ORD
Nonstop2h 35m
Air Canada
Deal found 1/2C$ 278
Thu 4/610:25 a.m.
MDW
-
YUL
1 stop6h 50m
Porter Airlines
Sun 7/610:35 a.m.
YUL
-
MDW
1 stop7h 15m
Porter Airlines
Deal found 1/2C$ 279
Sun 10/510:25 a.m.
MDW
-
YUL
1 stop5h 50m
Porter Airlines
Wed 20/51:00 p.m.
YUL
-
MDW
1 stop4h 50m
Porter Airlines
Deal found 1/2C$ 293
Wed 8/411:00 a.m.
MDW
-
YUL
1 stop6h 15m
Porter Airlines
Sun 12/48:55 a.m.
YUL
-
MDW
1 stop7h 25m
Porter Airlines
Deal found 31/1C$ 294
Tue 14/48:19 a.m.
ORD
-
YUL
Nonstop2h 25m
American Airlines
Sat 18/47:45 a.m.
YUL
-
ORD
1 stop17h 08m
American Airlines
Deal found 31/1C$ 300
Thu 9/411:00 a.m.
MDW
-
YUL
1 stop5h 45m
Porter Airlines
Sun 12/48:55 a.m.
YUL
-
MDW
1 stop7h 25m
Porter Airlines
Deal found 31/1C$ 308
Fri 29/510:25 a.m.
MDW
-
YUL
1 stop5h 50m
Porter Airlines
Mon 8/66:30 a.m.
YUL
-
MDW
1 stop4h 10m
Porter Airlines
Deal found 1/2C$ 309
Fri 29/510:25 a.m.
MDW
-
YUL
1 stop5h 50m
Porter Airlines
Sun 7/61:00 p.m.
YUL
-
MDW
1 stop4h 50m
Porter Airlines
Deal found 1/2C$ 310
Wed 1/46:40 a.m.
ORD
-
YUL
1 stop7h 40m
American Airlines
Tue 14/47:45 a.m.
YUL
-
ORD
1 stop16h 49m
American Airlines
Deal found 1/2C$ 312
Tue 24/37:15 a.m.
ORD
-
YUL
Nonstop2h 05m
Air Canada
Thu 26/31:10 p.m.
YUL
-
ORD
Nonstop2h 45m
Air Canada
Deal found 1/2C$ 313

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 1 February 2026.

Round-trip from

C$ 270

One-way from

C$ 83

Popular in

January

Cheapest in

October

Average price

C$ 468

Good one-way deal

C$ 245 or less
Porter Airlines
  • Porter Airlines
  • 16/4-19/4
  • 2 total stops
  • 11h 50m total
  • Chicago to Montreal
Search Deals
Porter Airlines
  • Porter Airlines
  • 27/3
  • 1 total stop
  • 5h 45m total
  • Chicago to Montreal
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 108 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (C$ 32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a one-way flight from Chicago (CHI) to Montreal Pierre Elliott Trudeau Intl.
Search Deals

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 1 February 2026.
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

Wed 1/4

3:45 p.m.-6:55 p.m.

Nonstop2h 10m

Montreal Pierre Elliott Trudeau Intl

Tue 14/4

6:30 p.m.-8:05 p.m.

Nonstop2h 35m

C$ 278

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 23/4

5:10 a.m.-11:38 a.m.

1 stop5h 28m

Montreal Pierre Elliott Trudeau Intl

Mon 27/4

7:00 a.m.-4:42 p.m.

1 stop10h 42m

C$ 323

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 12/3

1:57 p.m.-11:13 p.m.

1 stop8h 16m

Montreal Pierre Elliott Trudeau Intl

Sun 15/3

7:00 a.m.-11:35 a.m.

1 stop5h 35m

C$ 323

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Tue 2/6

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

1 stop8h 57m

Montreal Pierre Elliott Trudeau Intl

Thu 11/6

3:00 p.m.-7:43 p.m.

1 stop5h 43m

C$ 323

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 6/6

1:35 p.m.-11:10 p.m.

1 stop8h 35m

Montreal Pierre Elliott Trudeau Intl

Thu 11/6

3:00 p.m.-7:43 p.m.

1 stop5h 43m

C$ 323

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 6/6

3:50 p.m.-11:34 p.m.

1 stop6h 44m

Montreal Pierre Elliott Trudeau Intl

Sat 13/6

6:00 a.m.-12:39 p.m.

1 stop7h 39m

C$ 323

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 19/2

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

1 stop9h 08m

Montreal Pierre Elliott Trudeau Intl

Sat 21/2

12:52 p.m.-8:44 p.m.

1 stop8h 52m

C$ 323

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Sat 23/5

1:22 p.m.-11:13 p.m.

1 stop8h 51m

Montreal Pierre Elliott Trudeau Intl

Fri 29/5

12:40 p.m.-9:09 p.m.

1 stop9h 29m

C$ 324

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Sat 23/5

1:22 p.m.-11:13 p.m.

1 stop8h 51m

Montreal Pierre Elliott Trudeau Intl

Thu 28/5

6:00 a.m.-8:43 a.m.

1 stop3h 43m

C$ 324

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Tue 14/4

1:23 p.m.-11:08 p.m.

1 stop8h 45m

Montreal Pierre Elliott Trudeau Intl

Sat 18/4

7:00 a.m.-4:25 p.m.

1 stop10h 25m

C$ 324

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/2

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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 30 January 2026.

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$ 148). Flying from Chicago to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of C$ 366). 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 1 February 2026.

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 1 February 2026.

The most flights from CHI to YUL are scheduled on a Monday (21 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (16 on average).

How often are flights from Chicago to Montreal delayed?

About 17% of weekly flights between Chicago and Montreal have experienced delays in the past year, with the average delay time being 142 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?

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 past year, American Airlines has had the lowest number of delays on this route, with just 11% 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 10m. Fly via Air Canada 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$ 301. This flight start at 41% 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: Japan Airlines (75%), Porter Airlines (75%), Qantas Airways (75%).

  • 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$ 138. While the most popular route (Chicago O'Hare Intl - Montreal Pierre Elliott Trudeau Intl) can be booked for C$ 283 on average, our data indicates C$ 360 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$ 148). Flying from Chicago to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of C$ 366). 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
Trois-Rivières
Sherbrooke
Cornwall
Brossard
Montebello
Boucherville
Longueuil
Drummondville
Magog
Saint-Jean-sur-Richelieu
Bromont
North Hatley
Saint-Sauveur
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 1 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 301AverageC$ 656FlexibilityNo 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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