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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago from C$ 221

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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — CHI
22 Jan — 29 Jan1
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 Wednesday or Tuesday and return on a Saturday

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 17 January 2025.

Round-trip from

C$ 435

One-way from

C$ 221

Popular in

February

Cheapest in

March

Average price

C$ 493
Porter Airlines
  • Porter Airlines
  • 10/4-14/4
  • 2 total stops
  • 10h 15m total
  • Montreal to Chicago
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11/2
  • 11/2
  • 1 total stop
  • 8h 37m total
  • Montreal to Chicago
Search Deals
High demand for flights, 3% potential price rise
Search Deals
Best time to find cheap flights, 1% potential price drop
Search Deals
Average for round-trip flights in January 2025
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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 17 January 2025.

Thu 10/46:50 a.m.YUL - MDW
1 stop4h 30mPorter Airlines
Mon 14/411:15 a.m.MDW - YUL
1 stop5h 45mPorter Airlines
Deal found 16/1C$ 435
Wed 19/23:55 p.m.YUL - ORD
1 stop9h 03mMultiple Airlines
Tue 25/27:10 a.m.ORD - YUL
1 stop9h 25mMultiple Airlines
Deal found 15/1C$ 441
Thu 3/49:45 a.m.YUL - ORD
Nonstop2h 47mUnited Airlines
Mon 7/41:55 p.m.ORD - YUL
Nonstop2h 31mUnited Airlines
Deal found 16/1C$ 523
Tue 18/26:20 p.m.YUL - ORD
Nonstop2h 35mAir Canada
Tue 25/27:20 a.m.ORD - YUL
Nonstop2h 12mAir Canada
Deal found 16/1C$ 532
Mon 24/25:35 p.m.YUL - ORD
1 stop16h 13mAmerican Airlines
Thu 27/210:37 a.m.ORD - YUL
1 stop5h 18mAmerican Airlines
Deal found 16/1C$ 552
Thu 6/28:55 a.m.YUL - MDW
1 stop4h 15mMultiple Airlines
Sun 9/21:05 p.m.MDW - YUL
1 stop10h 34mMultiple Airlines
Deal found 16/1C$ 559
Fri 18/46:00 p.m.YUL - ORD
1 stop7h 06mDelta
Sun 20/47:00 a.m.ORD - YUL
1 stop8h 02mDelta
Deal found 16/1C$ 578
Mon 10/27:05 a.m.YUL - MDW
1 stop7h 00mDelta
Tue 11/25:05 p.m.MDW - YUL
1 stop5h 47mDelta
Deal found 16/1C$ 578
Thu 20/26:45 a.m.YUL - ORD
2 stops16h 51mWestJet
Mon 24/24:45 p.m.ORD - YUL
2 stops18h 45mWestJet
Deal found 15/1C$ 598
Fri 29/86:15 p.m.YUL - MDW
1 stop24h 48mWestJet
Tue 2/92:00 p.m.MDW - YUL
1 stop8h 18mWestJet
Deal found 16/1C$ 644

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 17 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Thu 10/4

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

1 stop4h 30m

Chicago Midway

Mon 14/4

11:15 a.m.-6:00 p.m.

1 stop5h 45m

C$ 435

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Wed 19/2

3:55 p.m.-11:58 p.m.

1 stop9h 03m

Chicago O'Hare Intl

Tue 25/2

7:10 a.m.-5:35 p.m.

1 stop9h 25m

C$ 441

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 3/4

6:15 a.m.-8:02 a.m.

Nonstop2h 47m

Chicago O'Hare Intl

Sun 6/4

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

Nonstop2h 16m

C$ 523

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Tue 18/2

6:20 p.m.-7:55 p.m.

Nonstop2h 35m

Chicago O'Hare Intl

Tue 25/2

7:20 a.m.-10:32 a.m.

Nonstop2h 12m

C$ 532

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Mon 24/2

5:35 p.m.-8:48 a.m.

1 stop16h 13m

Chicago O'Hare Intl

Thu 27/2

10:37 a.m.-4:55 p.m.

1 stop5h 18m

C$ 552

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Thu 6/2

8:55 a.m.-12:10 p.m.

1 stop4h 15m

Chicago Midway

Sun 9/2

1:05 p.m.-12:39 a.m.

1 stop10h 34m

C$ 559

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 20/2

11:20 a.m.-4:09 p.m.

1 stop5h 49m

Chicago O'Hare Intl

Mon 24/2

4:45 p.m.-3:36 p.m.

1 stop21h 51m

C$ 562

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Fri 18/4

6:00 p.m.-12:06 a.m.

1 stop7h 06m

Chicago O'Hare Intl

Sun 20/4

7:00 a.m.-4:02 p.m.

1 stop8h 02m

C$ 578

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Mon 10/2

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

1 stop7h 00m

Chicago Midway

Tue 11/2

5:05 p.m.-11:52 p.m.

1 stop5h 47m

C$ 578

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Mon 10/2

6:45 a.m.-10:12 a.m.

2 stops28h 27m

Chicago Midway

Tue 11/2

12:44 p.m.-11:52 p.m.

1 stop10h 08m

C$ 691

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/1

Showing 1-10 of 20 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 10 January 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 17 January 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 afternoon, which can drop the price by up to 28% versus a flight at noon.

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 Monday afternoons when fares are most often at their lowest. Sunday evenings 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 17 January 2025.

The most flights from YUL to CHI are scheduled on a Wednesday (16 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (13 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 17 January 2025.
Peruse reviews from past customers who have flown with WestJet, United Airlines and Delta 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
8,511 reviews
Check prices

Food

7.3

Crew

8.6

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

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

Delta
8.0
Very good
8,511 reviews
Delta
8.0
Very good
8,511 reviews
Check prices

Food

7.3

Crew

8.6

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

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
8,511 reviews
Check prices

Food

7.3

Crew

8.6

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

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

United Airlines
7.4
Good
8,965 reviews
Delta
8.0
Very good
8,511 reviews
Check prices

Food

7.3

Crew

8.6

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

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
8,511 reviews
Check prices

Food

7.3

Crew

8.6

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

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

WestJet
7.2
Good
2,824 reviews
Delta
8.0
Very good
8,511 reviews
Check prices

Food

7.3

Crew

8.6

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Overall

8.0

Reviews

1 / 10

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$ 435, Porter Airlines will fly you from Montreal Pierre Elliott Trudeau Intl Airport to Chicago and back. In addition to Porter Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from C$ 446 and C$ 523, respectively. These flights start at 9% 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$ 223. 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: Alaska Airlines (91%), Avianca (87%), ANA (87%).

  • 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$ 230. While the most popular route (Montreal Pierre Elliott Trudeau Intl - Chicago O'Hare Intl) can be booked for C$ 400 on average our data indicates C$ 1,462 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.

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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 17 January 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 17 January 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapestC$ 330AverageC$ 472FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 370AverageC$ 596FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 371AverageC$ 419FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 372AverageC$ 520FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapestC$ 395AverageC$ 521FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 459AverageC$ 620FlexibilityNo cancel feeOn-time60%
Search WestJet flights

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