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Cheap flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport from C$ 100

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 7/6. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — YUL
31 May — 7 Jun1
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 February, booked 45 days in advance, depart on a Friday or Tuesday 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 May 2026.

Thu 9/78:45 a.m.
ORD
-
YUL
Nonstop2h 15m
Air Canada
Thu 9/72:30 p.m.
YUL
-
ORD
1 stop6h 46m
Air Canada
Deal found 27/4C$ 344
Wed 27/510:30 a.m.
MDW
-
YUL
1 stop8h 40m
Porter Airlines
Mon 1/66:30 a.m.
YUL
-
MDW
1 stop9h 05m
Porter Airlines
Deal found 29/4C$ 351
Tue 2/610:15 a.m.
MDW
-
YUL
1 stop8h 55m
Porter Airlines
Thu 4/66:30 a.m.
YUL
-
MDW
1 stop9h 05m
Porter Airlines
Deal found 30/4C$ 352
Tue 16/68:20 p.m.
ORD
-
YUL
1 stop4h 31m
Air Canada
Wed 17/68:40 a.m.
YUL
-
ORD
Nonstop2h 38m
Air Canada
Deal found 30/4C$ 352
Fri 5/610:15 a.m.
MDW
-
YUL
1 stop6h 00m
Porter Airlines
Sun 7/610:35 a.m.
YUL
-
MDW
1 stop5h 00m
Porter Airlines
Deal found 27/4C$ 353
Mon 25/510:30 a.m.
MDW
-
YUL
1 stop8h 40m
Porter Airlines
Fri 29/56:30 a.m.
YUL
-
MDW
1 stop9h 05m
Porter Airlines
Deal found 30/4C$ 356
Fri 5/610:15 a.m.
MDW
-
YUL
1 stop7h 00m
Porter Airlines
Thu 25/610:35 a.m.
YUL
-
MDW
1 stop5h 00m
Porter Airlines
Deal found 30/4C$ 360
Thu 4/610:15 a.m.
MDW
-
YUL
1 stop8h 55m
Porter Airlines
Mon 8/66:30 a.m.
YUL
-
MDW
1 stop9h 05m
Porter Airlines
Deal found 29/4C$ 361
Mon 19/108:45 a.m.
ORD
-
YUL
Nonstop2h 15m
Air Canada
Mon 19/102:30 p.m.
YUL
-
ORD
1 stop6h 46m
Air Canada
Deal found 29/4C$ 370
Fri 5/610:15 a.m.
MDW
-
YUL
1 stop6h 00m
Porter Airlines
Thu 11/610:35 a.m.
YUL
-
MDW
1 stop5h 00m
Porter Airlines
Deal found 26/4C$ 371
Fri 5/610:15 a.m.
MDW
-
YUL
1 stop6h 00m
Porter Airlines
Wed 10/66:30 a.m.
YUL
-
MDW
1 stop4h 05m
Porter Airlines
Deal found 27/4C$ 374
Fri 28/82:00 p.m.
ORD
-
YUL
1 stop6h 47m
Air Canada
Sat 29/88:40 a.m.
YUL
-
ORD
Nonstop2h 36m
Air Canada
Deal found 26/4C$ 385

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 May 2026.

Round-trip from

C$ 344

One-way from

C$ 100

Popular in

January

Cheapest in

October

Average price

C$ 520

Good round-trip deal

C$ 520 or less

Good one-way deal

C$ 277 or less
Air Canada
  • Air Canada
  • 9/7-9/7
  • 1 total stop
  • 9h 01m total
  • Chicago to Montreal
Search Deals
Porter Airlines
  • Porter Airlines
  • 7/6
  • 1 total stop
  • 6h 00m total
  • Chicago to Montreal
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 129 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 46 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Chicago (CHI) to Montreal Pierre Elliott Trudeau Intl.
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 May 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Fri 15/5

12:53 p.m.-11:57 p.m.

1 stop10h 04m

Montreal Pierre Elliott Trudeau Intl

Mon 18/5

6:00 a.m.-12:42 p.m.

1 stop7h 42m

C$ 494

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Thu 18/6

12:45 p.m.-11:55 p.m.

1 stop10h 10m

Montreal Pierre Elliott Trudeau Intl

Mon 22/6

12:48 p.m.-10:17 p.m.

1 stop10h 29m

C$ 494

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Thu 28/5

9:22 a.m.-4:15 p.m.

1 stop5h 53m

Montreal Pierre Elliott Trudeau Intl

Mon 1/6

7:10 a.m.-1:19 p.m.

1 stop7h 09m

C$ 494

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Fri 29/5

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

1 stop8h 51m

Montreal Pierre Elliott Trudeau Intl

Tue 2/6

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

1 stop3h 43m

C$ 494

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Wed 27/5

6:23 a.m.-5:43 p.m.

1 stop10h 20m

Montreal Pierre Elliott Trudeau Intl

Mon 1/6

7:00 a.m.-4:12 p.m.

1 stop10h 12m

C$ 494

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 11/6

5:22 p.m.-11:28 p.m.

1 stop5h 06m

Montreal Pierre Elliott Trudeau Intl

Tue 16/6

12:48 p.m.-8:32 p.m.

1 stop8h 44m

C$ 494
Quickest round-trip

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Tue 12/5

7:05 a.m.-1:39 p.m.

1 stop5h 34m

Montreal Pierre Elliott Trudeau Intl

Wed 13/5

6:51 p.m.-11:59 p.m.

1 stop6h 08m

C$ 494

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Fri 19/6

1:46 p.m.-11:55 p.m.

1 stop9h 09m

Montreal Pierre Elliott Trudeau Intl

Wed 24/6

5:07 p.m.-8:31 p.m.

1 stop4h 24m

C$ 494

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Wed 13/5

9:49 a.m.-5:43 p.m.

1 stop6h 54m

Montreal Pierre Elliott Trudeau Intl

Sat 16/5

7:00 a.m.-4:56 p.m.

1 stop10h 56m

C$ 494

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 18/6

1:46 p.m.-11:55 p.m.

1 stop9h 09m

Montreal Pierre Elliott Trudeau Intl

Tue 23/6

6:50 p.m.-11:59 p.m.

1 stop6h 09m

C$ 494

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/4

Showing 1-10 of 43 resultsSorted by cheapest first
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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?

Booking 80 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, February is the cheapest month in which you can book a flight from Chicago to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 87). Flying from Chicago to Montreal Pierre Elliott Trudeau Intl Airport in June is currently the most expensive (average of C$ 252). 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 May 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 May 2026.

The most flights from CHI to YUL are scheduled on a Wednesday (25 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (19 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 19% of weekly flights between Chicago and Montreal have experienced delays in the past year, with the average delay time being 139 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 Friday 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 14% 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 10h 04m. Fly via Delta to get the fastest option. Airlines will cover a distance of 1196 km.

  • 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: Avianca (89%), Qantas Airways (79%), Porter Airlines (79%).

  • 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$ 141. While the most popular route (Chicago O'Hare Intl - Montreal Pierre Elliott Trudeau Intl) can be booked for C$ 415 on average, our data indicates C$ 458 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, February is the cheapest month in which you can book a flight from Chicago to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 87). Flying from Chicago to Montreal Pierre Elliott Trudeau Intl Airport in June is currently the most expensive (average of C$ 252). 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
Brossard
Montebello
Cornwall
Longueuil
Boucherville
Magog
Saint-Jean-sur-Richelieu
Bromont
Drummondville
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

Fly with Cheapflights

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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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