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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago from C$ 207

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 18/3. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — CHI
25 Feb — 4 Mar1
1 adult

The best prices from Montreal Pierre Elliott Trudeau Intl to Chicago are usually found in March or September, booked 56 days in advance, depart on a Thursday or Friday and return on a Thursday

Cheap flight deals from Pierre Elliott Trudeau Intl to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to Chicago (CHI). 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 20 February 2025.

Round-trip from

C$ 368

One-way from

C$ 207

Popular in

February

Cheapest in

March

Average price

C$ 518

Good round-trip deal

C$ 503 or less

Good one-way deal

C$ 266 or less
Air Canada
  • Air Canada
  • 17/4-20/4
  • 1 total stop
  • 7h 16m total
  • Montreal to Chicago
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18/3
  • 18/3
  • 2 total stops
  • 17h 34m total
  • Montreal to Chicago
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Highest demand for flights based on searches. 0% potential increase in price (C$ 4 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 7 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Montreal Pierre Elliott Trudeau Intl to Chicago (CHI).
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Price to beat on a one-way flight from Montreal Pierre Elliott Trudeau Intl to Chicago (CHI).
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Find flight deals from Pierre Elliott Trudeau Intl to Chicago

Cheapest flights from Pierre Elliott Trudeau Intl to Chicago
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 February 2025.

Sat 15/33:30 p.m.YUL - ORD
1 stop9h 26mMultiple Airlines
Wed 19/35:55 a.m.ORD - YUL
3 stops33h 50mMultiple Airlines
Deal found 19/2C$ 368
Sun 6/46:50 a.m.YUL - MDW
1 stop4h 30mPorter Airlines
Sun 13/411:15 a.m.MDW - YUL
1 stop4h 37mPorter Airlines
Deal found 20/2C$ 368
Fri 21/38:50 a.m.YUL - ORD
1 stop5h 06mAir Canada
Mon 24/38:30 p.m.ORD - YUL
1 stop4h 23mAir Canada
Deal found 19/2C$ 369
Thu 24/49:45 a.m.YUL - ORD
Nonstop2h 47mLufthansa
Sun 27/47:20 a.m.ORD - YUL
Nonstop2h 16mLufthansa
Deal found 19/2C$ 371
Thu 24/48:30 a.m.YUL - ORD
1 stop5h 45mUnited Airlines
Sun 27/47:20 a.m.ORD - YUL
Nonstop2h 16mUnited Airlines
Deal found 19/2C$ 372
Fri 25/412:50 p.m.YUL - MDW
1 stop6h 30mDelta
Tue 29/412:48 p.m.MDW - YUL
1 stop10h 11mDelta
Deal found 20/2C$ 392
Sat 5/412:30 p.m.YUL - ORD
Nonstop2h 35mAmerican Airlines
Mon 7/48:30 p.m.ORD - YUL
1 stop12h 20mAmerican Airlines
Deal found 19/2C$ 415
Sat 17/56:00 a.m.YUL - ORD
1 stop4h 24mDelta
Wed 21/55:50 a.m.ORD - YUL
1 stop10h 19mDelta
Deal found 19/2C$ 432
Sat 8/37:14 a.m.YUL - ORD
1 stop6h 01mBritish Airways
Sat 29/35:11 p.m.ORD - YUL
1 stop4h 34mBritish Airways
Deal found 20/2C$ 452
Thu 10/411:50 a.m.YUL - MDW
1 stop5h 50mMultiple Airlines
Sat 12/412:58 p.m.MDW - YUL
1 stop10h 17mMultiple Airlines
Deal found 19/2C$ 460
Sun 15/67:30 a.m.YUL - MDW
1 stop11h 33mWestJet
Sat 21/66:45 p.m.MDW - YUL
1 stop18h 13mWestJet
Deal found 19/2C$ 487
Fri 21/31:30 p.m.YUL - ORD
2 stops9h 17mWestJet
Mon 24/36:15 p.m.ORD - YUL
1 stop4h 11mWestJet
Deal found 19/2C$ 490

Find flights from Pierre Elliott Trudeau Intl to Chicago within your budget

Customize your flight search to find flights from Pierre Elliott Trudeau Intl to Chicago 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 20 February 2025.

Fly from

Pierre Elliott Trudeau Intl

Fly to

Chicago

Route

Depart

Return

Price

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 15/3

3:30 p.m.-11:56 p.m.

1 stop9h 26m

Chicago O'Hare Intl

Wed 19/3

5:55 a.m.-4:45 p.m.

3 stops33h 50m

C$ 368

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Sun 6/4

6:50 a.m.-10:20 a.m.

1 stop4h 30m

Chicago Midway

Sun 13/4

11:15 a.m.-4:52 p.m.

1 stop4h 37m

C$ 368

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Fri 21/3

8:50 a.m.-12:56 p.m.

1 stop5h 06m

Chicago O'Hare Intl

Mon 24/3

8:30 p.m.-1:53 a.m.

1 stop4h 23m

C$ 369

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 24/4

9:45 a.m.-11:32 a.m.

Nonstop2h 47m

Chicago O'Hare Intl

Sun 27/4

7:20 a.m.-10:36 a.m.

Nonstop2h 16m

C$ 371

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 24/4

8:30 a.m.-1:15 p.m.

1 stop5h 45m

Chicago O'Hare Intl

Sun 27/4

7:20 a.m.-10:36 a.m.

Nonstop2h 16m

C$ 372

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Fri 25/4

12:50 p.m.-6:20 p.m.

1 stop6h 30m

Chicago Midway

Tue 29/4

12:48 p.m.-11:59 p.m.

1 stop10h 11m

C$ 392

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 5/4

12:30 p.m.-2:05 p.m.

Nonstop2h 35m

Chicago O'Hare Intl

Mon 7/4

8:30 p.m.-9:50 a.m.

1 stop12h 20m

C$ 415

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 17/5

6:00 a.m.-9:24 a.m.

1 stop4h 24m

Chicago O'Hare Intl

Wed 21/5

5:50 a.m.-5:09 p.m.

1 stop10h 19m

C$ 432

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 8/3

7:14 a.m.-12:15 p.m.

1 stop6h 01m

Chicago O'Hare Intl

Sat 29/3

5:11 p.m.-10:45 p.m.

1 stop4h 34m

C$ 452

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Thu 10/4

11:50 a.m.-4:40 p.m.

1 stop5h 50m

Chicago Midway

Sat 12/4

12:58 p.m.-12:15 a.m.

1 stop10h 17m

C$ 460

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/2

Showing 1-10 of 22 results
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Best time to book a flight from Pierre Elliott Trudeau Intl to Chicago

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

Travel insights for flights from Pierre Elliott Trudeau Intl to Chicago

Get recent, data-driven insights about flights from Pierre Elliott Trudeau Intl to Chicago including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Pierre Elliott Trudeau Intl to Chicago. Price data was last updated on 14 February 2025.

Booking 56 days in advance of your planned departure date is, on average, the best time to get cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago. 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 Montreal Pierre Elliott Trudeau Intl Airport to Chicago?

Currently, January is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Chicago (average of C$ 261). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Chicago in March is currently the most expensive (average of C$ 355). 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 YUL to CHI?

Find hourly flight availability from Pierre Elliott Trudeau Intl to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 February 2025.

When flying from Montreal Pierre Elliott Trudeau Intl Airport to Chicago, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 40% versus a flight in the morning.

What is the cheapest day to fly from Montreal Pierre Elliott Trudeau Intl Airport to Chicago?

Use this chart to determine the cheapest time to fly round-trip from Pierre Elliott Trudeau Intl to Chicago. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Montreal Pierre Elliott Trudeau Intl Airport to Chicago flight should consider departing on Tuesday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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

Explore weekly flight availability from Pierre Elliott Trudeau Intl to Chicago. 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 20 February 2025.

The most flights from YUL to CHI are scheduled on a Wednesday (16 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).

Rainfall in Chicago by month

Plan your trip to Chicago by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago ranges from 43.0 - 125.0 mm per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago when rainfall is around 43.0 mm.

Temperature in Chicago by month

Plan your trip to Chicago by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated 20 February 2025.
Peruse reviews from past customers who have flown with Delta, Porter Airlines and United Airlines from Montreal to Chicago to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,220 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,220 reviews
Delta
8.0
Very good
8,220 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Porter Airlines
7.9
Good
276 reviews
Delta
8.0
Very good
8,220 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,766 reviews
Delta
8.0
Very good
8,220 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,220 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

WestJet
7.2
Good
2,801 reviews
Delta
8.0
Very good
8,220 reviews
Check prices

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

8.0

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to Chicago round-trip?

    Currently priced at C$ 368, Air Canada will fly you from Montreal Pierre Elliott Trudeau Intl Airport to Chicago and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Porter Airlines and American Airlines - these airlines can fly you to your destination from C$ 368 and C$ 385, respectively. These flights start at 22% lower than the current average price 3 months from now.

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

    The cheapest airline one-way is Porter Airlines, with whom users have recently found tickets for as low as C$ 210. However, be on the lookout for offers from United Airlines and Air Canada, as they are both options that can get you from Montreal Pierre Elliott Trudeau Intl Airport to Chicago for a low price.

  • What are the most reliable airlines from Montreal Pierre Elliott Trudeau Intl Airport to Chicago?

    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 Montreal Pierre Elliott Trudeau Intl Airport to Chicago on time: ANA (87%), Avianca (86%), Copa Airlines (79%).

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

    Looking at all options, your cheapest flight can be booked for C$ 185. While the most popular route (Montreal Pierre Elliott Trudeau Intl - Chicago O'Hare Intl) can be booked for C$ 349 on average our data indicates C$ 1,765 when flying from Montreal Pierre Elliott Trudeau Intl Airport to Chicago.

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to Chicago.

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

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

    Currently, January is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Chicago (average of C$ 261). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Chicago in March is currently the most expensive (average of C$ 355). 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

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Fly from Pierre Elliott Trudeau Intl to Chicago on these airlines

Choose from the following airlines for your flight from Pierre Elliott Trudeau Intl to Chicago. Flights are based on user searches made on Cheapflights and were last updated on 20 February 2025.
Air Canada flights from Montreal Pierre Elliott Trudeau Intl to Chicago
Porter Airlines flights from Montreal Pierre Elliott Trudeau Intl to Chicago
United Airlines flights from Montreal Pierre Elliott Trudeau Intl to Chicago

Top 6 airlines flying from Pierre Elliott Trudeau Intl to Chicago

Discover the top 6 airlines that operate flights from Pierre Elliott Trudeau Intl to Chicago. 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 20 February 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 338AverageC$ 468FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
United AirlinesCheapestC$ 366AverageC$ 489FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 368AverageC$ 513FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 372AverageC$ 589FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 390AverageC$ 515FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 453AverageC$ 613FlexibilityNo cancel feeOn-time60%
Search WestJet flights

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Users can book flights with no change fees policies with our dedicated filters. Book flights from Pierre Elliott Trudeau Intl to Chicago flexibly with Cheapflights today.

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

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