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$152+ Cheap flights from Pierre Elliott Trudeau Intl (YUL) to Chicago (CHI)

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 5/22. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — CHI
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to Chicago are usually found in September or June, booked 42 days in advance, depart on a Thursday or Wednesday 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 April 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$232
(American Airlines)

One-way from

$152
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$328

Good round-trip deal

$299 or less

Good one-way deal

$130 or less
Provider with most accurate pricing for Montreal Pierre Elliott Trudeau Intl-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Montreal Pierre Elliott Trudeau Intl-Chicago (CHI) flights.
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From Montreal Pierre Elliott Trudeau Intl to Chicago (CHI)
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One-way flight from Montreal Pierre Elliott Trudeau Intl to Chicago (CHI)
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Highest demand for flights based on searches. 4% potential increase in price ($14 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 30, 2025.

This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2212:30 pmYUL - ORD
Nonstop2h 35mAmerican Airlines
Mon 5/268:24 amORD - YUL
Nonstop2h 20mAmerican Airlines
Deal found 4/29$232
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/236:15 amYUL - ORD
Nonstop2h 44mUnited Airlines
Mon 5/267:19 amORD - YUL
Nonstop2h 21mUnited Airlines
Deal found 4/29$252
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/271:10 pmYUL - MDW
1 stop4h 14mPorter Airlines
Tue 6/35:20 pmMDW - YUL
1 stop3h 55mPorter Airlines
Deal found 4/29$256
This Air Canada deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/296:15 amYUL - ORD
Nonstop2h 44mAir Canada
Wed 6/47:19 amORD - YUL
Nonstop2h 21mAir Canada
Deal found 4/29$269
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/296:45 pmYUL - ORD
1 stop6h 13mDelta
Wed 6/47:00 amORD - YUL
1 stop8h 04mDelta
Deal found 4/29$274
This United deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/219:15 amYUL - ORD
1 stop8h 29mMultiple Airlines
Mon 5/263:50 pmORD - YUL
1 stop4h 50mMultiple Airlines
Deal found 4/28$303
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/236:00 amYUL - MDW
1 stop3h 40mDelta
Sun 5/251:55 pmMDW - YUL
1 stop8h 24mDelta
Deal found 4/29$306
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/301:10 pmYUL - MDW
1 stop4h 44mMultiple Airlines
Sun 6/19:40 amMDW - YUL
1 stop13h 57mMultiple Airlines
Deal found 4/29$317
This iWofly deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/36:00 amYUL - ORD
1 stop7h 55mWestJet
Sun 7/611:00 amORD - YUL
1 stop4h 25mWestJet
Deal found 4/29$343
This Trip.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/156:15 amYUL - MDW
1 stop12h 30mWestJet
Tue 5/2012:48 pmMDW - YUL
1 stop10h 06mWestJet
Deal found 4/29$364

Cheapflights Fare Finder

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 2,558,603 searches. Data last updated April 30, 2025.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago that are best for you.

Fly from

Pierre Elliott Trudeau Intl

Fly to

Chicago

Route

Depart

Return

Price

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 5/22

12:30 pm-2:05 pm

Nonstop2h 35m

Chicago O'Hare Intl

Mon 5/26

8:24 am-11:44 am

Nonstop2h 20m

$232

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Fri 5/23

6:15 am-7:59 am

Nonstop2h 44m

Chicago O'Hare Intl

Mon 5/26

7:19 am-10:40 am

Nonstop2h 21m

$252

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Tue 5/27

1:10 pm-4:24 pm

1 stop4h 14m

Chicago Midway

Tue 6/3

5:20 pm-10:15 pm

1 stop3h 55m

$256

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 5/29

6:15 am-7:59 am

Nonstop2h 44m

Chicago O'Hare Intl

Wed 6/4

7:19 am-10:40 am

Nonstop2h 21m

$269

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 5/29

6:45 pm-11:58 pm

1 stop6h 13m

Chicago O'Hare Intl

Wed 6/4

7:00 am-4:04 pm

1 stop8h 04m

$274

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Wed 5/21

9:15 am-4:44 pm

1 stop8h 29m

Chicago O'Hare Intl

Mon 5/26

3:50 pm-9:40 pm

1 stop4h 50m

$303

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Fri 5/23

6:00 am-8:40 am

1 stop3h 40m

Chicago Midway

Sun 5/25

1:55 pm-11:19 pm

1 stop8h 24m

$306

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Fri 5/30

1:10 pm-4:54 pm

1 stop4h 44m

Chicago Midway

Sun 6/1

9:40 am-12:37 am

1 stop13h 57m

$317

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 7/3

6:00 am-12:55 pm

1 stop7h 55m

Chicago O'Hare Intl

Sun 7/6

11:00 am-4:25 pm

1 stop4h 25m

$343

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Thu 5/15

6:15 am-5:45 pm

1 stop12h 30m

Chicago Midway

Tue 5/20

12:48 pm-11:54 pm

1 stop10h 06m

$364

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 20 results
1
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Compare providers for flights from Pierre Elliott Trudeau Intl to Chicago

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Pierre Elliott Trudeau Intl to Chicago in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Montreal Pierre Elliott Trudeau Intl Airport-Chicago flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Montreal Pierre Elliott Trudeau Intl Airport-Chicago flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Montreal Pierre Elliott Trudeau Intl Airport-Chicago flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Montreal Pierre Elliott Trudeau Intl Airport-Chicago flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Montreal Pierre Elliott Trudeau Intl Airport-Chicago flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for Montreal Pierre Elliott Trudeau Intl Airport to Chicago flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Montreal Pierre Elliott Trudeau Intl Airport to Chicago trip
Airports
YUL

Use YULExpress to pre-book security fast track up to 72 hours before departure for a smoother experience.

Read more about YULby John Walton
ORD

For a quick city transfer, take the “L” train from ORD to downtown Chicago, avoiding traffic delays.

Read more about ORDby Ramsey Qubein
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on ORD

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
John Walton

John Walton

Expert on YUL

John Walton

John Walton

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read more

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.

Cheapflights Insights

Everything you need to know about your flight from Montreal Pierre Elliott Trudeau Intl Airport to Chicago

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 April 25, 2025.

The best time to book flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago is 42 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Chicago?

Currently, August is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Chicago (average of $245). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Chicago in March is currently the most expensive (average of $321). 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 April 30, 2025.

It’s optimal to fly from Montreal Pierre Elliott Trudeau Intl Airport to Chicago at noon. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight in the evening.

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 December 16, 2024.

Travelers seeking maximum savings on their Montreal Pierre Elliott Trudeau Intl Airport to Chicago flight should consider departing on Thursday afternoons when fares are most often at their lowest. Sunday afternoons 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 April 30, 2025.

The most flights from YUL to CHI are scheduled on a Tuesday (26 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 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 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago when rainfall is around 1.7 in.

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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 April 30, 2025.
Get a feel of what it's like to fly with Porter Airlines, Delta and United Airlines from Montreal to Chicago by reading reviews from past customers. 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.
Porter Airlines
8.0
Very good
285 reviews

Entertainment

7.0

Comfort

8.1

Crew

8.8

Overall

8.0

Boarding

8.2

Food

7.6

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
Porter Airlines
8.0
Very good
285 reviews
Porter Airlines
8.0
Very good
285 reviews

Entertainment

7.0

Comfort

8.1

Crew

8.8

Overall

8.0

Boarding

8.2

Food

7.6

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
Delta
8.0
Very good
7,929 reviews
Porter Airlines
8.0
Very good
285 reviews

Entertainment

7.0

Comfort

8.1

Crew

8.8

Overall

8.0

Boarding

8.2

Food

7.6

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
United Airlines
7.4
Good
8,696 reviews
Porter Airlines
8.0
Very good
285 reviews

Entertainment

7.0

Comfort

8.1

Crew

8.8

Overall

8.0

Boarding

8.2

Food

7.6

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very good
285 reviews

Entertainment

7.0

Comfort

8.1

Crew

8.8

Overall

8.0

Boarding

8.2

Food

7.6

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
WestJet
7.2
Good
2,826 reviews
Porter Airlines
8.0
Very good
285 reviews

Entertainment

7.0

Comfort

8.1

Crew

8.8

Overall

8.0

Boarding

8.2

Food

7.6

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you

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?

    American Airlines, at $232, was found to be the cheapest airline from Montreal Pierre Elliott Trudeau Intl Airport to Chicago.Alternate airlines to your destination round-trip include United Airlines and Porter Airlines. American Airlines is 29% cheaper than the average price of flights available within the next 90 days to this destination.

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

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $152. Users have also found prices from $158 and $161 on Porter Airlines and Air Canada, respectively.

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

    Before booking your flight to Chicago from Montreal Pierre Elliott Trudeau Intl Airport, check out the most reliable airlines to get you to your destination on time: Sun Country Air (100%), Emirates (93%), ANA( 91%).

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

    The cheapest flight price from Montreal Pierre Elliott Trudeau Intl Airport to Chicago is $123. On average you can expect to pay $767. The most popular route, (Montreal Pierre Elliott Trudeau Intl - Chicago O'Hare Intl), can usually be booked for $252.

  • 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, August is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Chicago (average of $245). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Chicago in March is currently the most expensive (average of $321). 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

Traveling 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
Merrillville
Hammond
Benton Harbor
Porter
Lansing
Valparaiso
Chesterton

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Alternative routes for Pierre Elliott Trudeau Intl to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
Pierre Elliott Trudeau Intl to O'Hare Intl flights
Pierre Elliott Trudeau Intl to Midway flights
Pierre Elliott Trudeau Intl to St. Louis flights

Top 5 airlines flying from Pierre Elliott Trudeau Intl to Chicago

Discover the top 5 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 2,558,603 searches. Data last updated April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$112Average$495FlexibilityNo cancel feeOn-time69%
Porter AirlinesCheapest$226Average$325FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$249Average$464FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$282Average$387FlexibilityNo cancel feeOn-time71%
WestJetCheapest$334Average$354FlexibilityNo cancel feeOn-time60%

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