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Cheap flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport from C$ 203

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 19/10. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — YUL
1 Sep — 8 Sep1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Chicago to Montreal Pierre Elliott Trudeau Intl are usually found in February or April, booked 45 days in advance, depart on a Tuesday 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 2 August 2026.

Sun 1/117:05 a.m.
ORD
-
YUL
Nonstop2h 12m
Air Canada
Sun 1/114:30 p.m.
YUL
-
ORD
1 stop4h 51m
Air Canada
Deal found 31/7C$ 345
Sat 24/103:40 p.m.
ORD
-
YUL
Nonstop2h 21m
Air Canada
Sun 25/106:30 a.m.
YUL
-
ORD
1 stop7h 41m
Air Canada
Deal found 31/7C$ 378
Sat 12/98:45 a.m.
ORD
-
YUL
Nonstop2h 15m
Air Canada
Mon 14/94:30 p.m.
YUL
-
ORD
1 stop5h 11m
Air Canada
Deal found 31/7C$ 392
Sat 12/911:45 a.m.
MDW
-
YUL
1 stop5h 27m
Porter Airlines
Mon 14/96:30 a.m.
YUL
-
MDW
1 stop5h 30m
Porter Airlines
Deal found 1/8C$ 394
Wed 16/911:05 a.m.
ORD
-
YUL
Nonstop2h 15m
Air Canada
Wed 23/91:15 p.m.
YUL
-
ORD
Nonstop2h 37m
Air Canada
Deal found 2/8C$ 398
Sat 22/83:40 p.m.
ORD
-
YUL
Nonstop2h 23m
Air Canada
Wed 26/87:30 a.m.
YUL
-
ORD
1 stop6h 51m
Air Canada
Deal found 1/8C$ 402
Wed 9/93:20 p.m.
MDW
-
YUL
1 stop4h 52m
Porter Airlines
Tue 29/96:30 a.m.
YUL
-
MDW
1 stop5h 30m
Porter Airlines
Deal found 1/8C$ 404
Fri 9/1011:45 a.m.
MDW
-
YUL
1 stop5h 27m
Porter Airlines
Tue 13/106:30 a.m.
YUL
-
MDW
1 stop5h 30m
Porter Airlines
Deal found 31/7C$ 408
Mon 14/911:45 a.m.
MDW
-
YUL
1 stop5h 27m
Porter Airlines
Mon 21/96:30 a.m.
YUL
-
MDW
1 stop5h 30m
Porter Airlines
Deal found 31/7C$ 409
Thu 1/103:20 p.m.
MDW
-
YUL
1 stop4h 52m
Porter Airlines
Mon 5/106:30 a.m.
YUL
-
MDW
1 stop5h 30m
Porter Airlines
Deal found 1/8C$ 410
Wed 23/93:20 p.m.
MDW
-
YUL
1 stop4h 52m
Porter Airlines
Fri 25/96:30 a.m.
YUL
-
MDW
1 stop5h 30m
Porter Airlines
Deal found 1/8C$ 412
Tue 15/911:45 a.m.
MDW
-
YUL
1 stop5h 27m
Porter Airlines
Tue 22/99:00 a.m.
YUL
-
MDW
1 stop6h 35m
Porter Airlines
Deal found 1/8C$ 413

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 2 August 2026.

Round-trip from

C$ 345

One-way from

C$ 203

Popular in

January

Cheapest in

February

Average price

C$ 510

Good round-trip deal

C$ 324 or less

Good one-way deal

C$ 209 or less
Air Canada
  • Air Canada
  • 1/11-1/11
  • 1 total stop
  • 7h 03m total
  • Chicago to Montreal
Search Deals
Air Canada
  • Air Canada
  • 19/10
  • Nonstop
  • 2h 15m total
  • Chicago to Montreal
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 109 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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 2 August 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 23/9

3:20 p.m.-9:12 p.m.

1 stop4h 52m

Montreal Pierre Elliott Trudeau Intl

Fri 25/9

9:00 a.m.-2:35 p.m.

1 stop6h 35m

C$ 441

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 22/8

11:22 a.m.-4:20 p.m.

1 stop3h 58m

Montreal Pierre Elliott Trudeau Intl

Sat 29/8

6:00 a.m.-1:50 p.m.

1 stop8h 50m

C$ 475

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Fri 2/10

3:20 p.m.-9:12 p.m.

1 stop4h 52m

Montreal Pierre Elliott Trudeau Intl

Mon 5/10

6:30 a.m.-11:00 a.m.

1 stop5h 30m

C$ 488

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Wed 16/9

3:20 p.m.-9:12 p.m.

1 stop4h 52m

Montreal Pierre Elliott Trudeau Intl

Wed 23/9

9:00 a.m.-2:35 p.m.

1 stop6h 35m

C$ 489
Quickest round-trip

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Wed 26/8

2:01 p.m.-5:30 p.m.

Nonstop2h 29m

Montreal Pierre Elliott Trudeau Intl

Tue 1/9

9:45 a.m.-11:21 a.m.

Nonstop2h 36m

C$ 500

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Fri 16/10

2:01 p.m.-5:30 p.m.

Nonstop2h 29m

Montreal Pierre Elliott Trudeau Intl

Mon 19/10

6:30 p.m.-8:12 p.m.

Nonstop2h 42m

C$ 502

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Wed 25/11

5:54 p.m.-9:17 p.m.

Nonstop2h 23m

Montreal Pierre Elliott Trudeau Intl

Sun 29/11

4:30 p.m.-8:21 p.m.

1 stop4h 51m

C$ 504

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Wed 21/10

1:27 p.m.-11:25 p.m.

1 stop8h 58m

Montreal Pierre Elliott Trudeau Intl

Sat 24/10

6:00 a.m.-12:47 p.m.

1 stop7h 47m

C$ 509

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Thu 29/10

12:27 p.m.-11:22 p.m.

1 stop9h 55m

Montreal Pierre Elliott Trudeau Intl

Tue 3/11

7:00 a.m.-11:47 a.m.

1 stop5h 47m

C$ 511

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Wed 28/10

1:27 p.m.-11:25 p.m.

1 stop8h 58m

Montreal Pierre Elliott Trudeau Intl

Thu 5/11

6:00 a.m.-12:47 p.m.

1 stop7h 47m

C$ 511

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/8

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

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$ 373). Flying from Chicago to Montreal Pierre Elliott Trudeau Intl Airport in January is currently the most expensive (average of C$ 691). 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 2 August 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 2 August 2026.

The most flights from CHI to YUL are scheduled on a Monday (31 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (22 on average).

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

Airfare is below average for this route at the moment.
Chicago to Montreal Pierre Elliott Trudeau Intl Airport flights typically cost between C$ 462 and C$ 773 in November.
The cheapest round-trip price found within the last 5 days was C$ 345 on Air Canada (1 Nov-1 Nov).

How often are flights from Chicago to Montreal delayed?

About 20% 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 morning 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 13% of flights being delayed.

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

Booking 44 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.

Reviews of airlines servicing Pierre Elliott Trudeau Intl

Get insights into the airlines that provide service to Pierre Elliott Trudeau Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Pierre Elliott Trudeau Intl. Reviews last updated 2 August 2026.
Get a feel of what it's like to fly with Air Canada from Chicago to Montreal Pierre Elliott Trudeau Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
11,419 reviews
Check prices

Comfort

7.1

Entertainment

6.8

Crew

7.8

Boarding

7.3

Overall

7.1

Food

6.3

Reviews

1 / 20
4.0
Okay

Anonymous,May 2026

YYJ - YUL

The pouch in front of my seat was never cleaned. The hospitality I requested wasn't there for me. Perhaps as looking at me you wouldn't think I needed it. I push myself then pay for it later. Like last night and today....... The flight had a generator problem, we had to debark the plane as there was no staff to repair it , therefore we had to wait for staff to come from Vancouver to repair it. The staff on hand though were very good at keeping us informed and making sure of any questions we had at that point. Once repaired all went well. Then just the hospitality wasn't there. When I did ask at the desk after the long walk from the plane the young person attending said baggage is just over there. Well just over there to a 30 year old and a 76 year old with mobility problems is quite different !
Air Canada
7.1
Good
11,419 reviews
Air Canada
7.1
Good
11,419 reviews
Check prices

Comfort

7.1

Entertainment

6.8

Crew

7.8

Boarding

7.3

Overall

7.1

Food

6.3

Reviews

1 / 20
4.0
Okay

Anonymous,May 2026

YYJ - YUL

The pouch in front of my seat was never cleaned. The hospitality I requested wasn't there for me. Perhaps as looking at me you wouldn't think I needed it. I push myself then pay for it later. Like last night and today....... The flight had a generator problem, we had to debark the plane as there was no staff to repair it , therefore we had to wait for staff to come from Vancouver to repair it. The staff on hand though were very good at keeping us informed and making sure of any questions we had at that point. Once repaired all went well. Then just the hospitality wasn't there. When I did ask at the desk after the long walk from the plane the young person attending said baggage is just over there. Well just over there to a 30 year old and a 76 year old with mobility problems is quite different !

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 29m. Fly via Delta, Porter Airlines, or United Airlines 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$ 237. This flight start at 56% lower than the current average price 3 months from now.

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

    The cheapest airlines for a one-way flight from Chicago to Montreal Pierre Elliott Trudeau Intl Airport are United Airlines (C$ 104), Air Canada (C$ 158), and American Airlines (C$ 257).

  • 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: Finnair (95%), American Airlines (90%), Envoy Air (90%).

  • 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$ 154. While the most popular route (Chicago O'Hare Intl - Montreal Pierre Elliott Trudeau Intl) can be booked for C$ 427 on average, our data indicates C$ 354 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$ 373). Flying from Chicago to Montreal Pierre Elliott Trudeau Intl Airport in January is currently the most expensive (average of C$ 691). 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
Dorval
Trois-Rivières
Laval
Brossard
Cornwall
Longueuil
Sherbrooke
Montebello
Boucherville
Magog
Bromont
Saint-Jean-sur-Richelieu
Drummondville
North Hatley
Saint-Sauveur
Louiseville

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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 2 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 237AverageC$ 491FlexibilityNo 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?

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

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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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