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Cheap flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport from C$ 131

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 14/6. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — YUL
17 Apr — 24 Apr1
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 Thursday 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 18 March 2026.

Sun 26/48:40 a.m.
ORD
-
YUL
Nonstop2h 11m
Air Canada
Sun 24/56:30 p.m.
YUL
-
ORD
Nonstop2h 38m
Air Canada
Deal found 18/3C$ 277
Fri 17/44:05 p.m.
MDW
-
YUL
1 stop5h 40m
Porter Airlines
Mon 20/46:50 a.m.
YUL
-
MDW
1 stop4h 25m
Porter Airlines
Deal found 17/3C$ 279
Fri 17/44:05 p.m.
MDW
-
YUL
1 stop5h 40m
Porter Airlines
Sun 19/410:55 a.m.
YUL
-
MDW
1 stop5h 25m
Porter Airlines
Deal found 16/3C$ 281
Fri 1/58:45 a.m.
ORD
-
YUL
Nonstop2h 11m
Air Canada
Fri 8/56:30 p.m.
YUL
-
ORD
Nonstop2h 38m
Air Canada
Deal found 17/3C$ 285
Fri 24/44:05 p.m.
MDW
-
YUL
1 stop5h 40m
Porter Airlines
Mon 27/46:50 a.m.
YUL
-
MDW
1 stop4h 25m
Porter Airlines
Deal found 17/3C$ 286
Thu 9/43:45 p.m.
ORD
-
YUL
Nonstop2h 11m
Air Canada
Sun 12/46:30 p.m.
YUL
-
ORD
Nonstop2h 35m
Air Canada
Deal found 18/3C$ 286
Thu 7/53:40 p.m.
ORD
-
YUL
Nonstop2h 24m
Air Canada
Sun 10/56:30 p.m.
YUL
-
ORD
Nonstop2h 38m
Air Canada
Deal found 16/3C$ 294
Mon 11/510:25 a.m.
MDW
-
YUL
1 stop5h 50m
Porter Airlines
Mon 18/56:30 a.m.
YUL
-
MDW
1 stop4h 10m
Porter Airlines
Deal found 16/3C$ 296
Fri 10/412:50 p.m.
ORD
-
YUL
Nonstop2h 15m
Air Canada
Sun 12/46:30 p.m.
YUL
-
ORD
Nonstop2h 35m
Air Canada
Deal found 18/3C$ 297
Wed 13/53:20 p.m.
MDW
-
YUL
1 stop5h 50m
Porter Airlines
Wed 20/56:30 a.m.
YUL
-
MDW
1 stop4h 10m
Porter Airlines
Deal found 13/3C$ 299
Thu 23/411:00 a.m.
MDW
-
YUL
1 stop7h 15m
Porter Airlines
Sun 26/49:50 a.m.
YUL
-
MDW
1 stop6h 30m
Porter Airlines
Deal found 17/3C$ 307
Fri 5/610:25 a.m.
MDW
-
YUL
1 stop5h 50m
Porter Airlines
Mon 8/66:30 a.m.
YUL
-
MDW
1 stop4h 10m
Porter Airlines
Deal found 15/3C$ 309

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 18 March 2026.

Round-trip from

C$ 277

One-way from

C$ 131

Popular in

January

Cheapest in

October

Average price

C$ 501

Good round-trip deal

C$ 122 or less

Good one-way deal

C$ 142 or less
Air Canada
  • Air Canada
  • 26/4-24/5
  • Nonstop
  • 4h 49m total
  • Chicago to Montreal
Search Deals
Air Canada
  • Air Canada
  • 14/6
  • 1 total stop
  • 6h 45m total
  • Chicago to Montreal
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 147 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (C$ 47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 18 March 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

Wed 15/4

2:12 p.m.-11:26 p.m.

1 stop8h 14m

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

6:00 a.m.-12:43 p.m.

1 stop7h 43m

C$ 357

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sun 12/4

7:10 a.m.-3:53 p.m.

1 stop7h 43m

Montreal Pierre Elliott Trudeau Intl

Sun 19/4

6:00 a.m.-12:45 p.m.

1 stop7h 45m

C$ 357

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 9/4

7:10 a.m.-5:41 p.m.

1 stop9h 31m

Montreal Pierre Elliott Trudeau Intl

Sat 11/4

7:00 a.m.-4:49 p.m.

1 stop10h 49m

C$ 357

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Wed 13/5

2:59 p.m.-11:57 p.m.

1 stop7h 58m

Montreal Pierre Elliott Trudeau Intl

Mon 18/5

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

1 stop8h 00m

C$ 357

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Fri 17/4

7:00 a.m.-4:15 p.m.

1 stop8h 15m

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

6:00 a.m.-12:45 p.m.

1 stop7h 45m

C$ 357

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Wed 13/5

1:59 p.m.-11:41 p.m.

1 stop8h 42m

Montreal Pierre Elliott Trudeau Intl

Wed 20/5

12:49 p.m.-6:33 p.m.

1 stop6h 44m

C$ 388

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Thu 23/4

1:24 p.m.-11:08 p.m.

1 stop8h 44m

Montreal Pierre Elliott Trudeau Intl

Mon 27/4

12:50 p.m.-10:28 p.m.

1 stop10h 38m

C$ 388

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Fri 15/5

5:10 p.m.-11:57 p.m.

1 stop5h 47m

Montreal Pierre Elliott Trudeau Intl

Mon 18/5

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

1 stop7h 42m

C$ 388

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 23/4

7:10 a.m.-5:40 p.m.

1 stop9h 30m

Montreal Pierre Elliott Trudeau Intl

Mon 27/4

12:50 p.m.-9:25 p.m.

1 stop9h 35m

C$ 388

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Mon 13/4

1:36 p.m.-11:08 p.m.

1 stop8h 32m

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

6:00 a.m.-12:45 p.m.

1 stop7h 45m

C$ 388

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/3

Showing 1-10 of 41 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?

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 13 March 2026.

Booking 45 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$ 136). Flying from Chicago to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of C$ 388). 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 18 March 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 18 March 2026.

The most flights from CHI to YUL are scheduled on a Monday (21 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (15 on average).

How often are flights from Chicago to Montreal delayed?

About 18% of weekly flights between Chicago and Montreal have experienced delays in the past year, with the average delay time being 140 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?

Tuesday 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 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 8h 14m. Fly via Delta to get the fastest option. Airlines will cover a distance of 1196 km.

  • 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$ 337. This flight start at 33% 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: Alaska Airlines (71%), American Airlines (67%), Envoy Air (67%).

  • 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$ 121. While the most popular route (Chicago O'Hare Intl - Montreal Pierre Elliott Trudeau Intl) can be booked for C$ 319 on average, our data indicates C$ 249 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$ 136). Flying from Chicago to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of C$ 388). 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
Trois-Rivières
Dorval
Sherbrooke
Cornwall
Montebello
Brossard
Boucherville
Longueuil
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

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 18 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 337AverageC$ 766FlexibilityNo cancel feeOn-time67%
Search Air Canada 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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