Illinois

$164+ Cheap flights from Pierre Elliott Trudeau Intl (YUL) to Illinois

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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — ORD
Jan 11 — Jan 181
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Cheap flight deals from Pierre Elliott Trudeau Intl to Illinois

Cheapest flights from Pierre Elliott Trudeau Intl to Illinois
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This FlightHub deal was found by Cheapflights users on 12/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/276:45 amYUL - MDW
1 stop4h 20mPorter Airlines
Mon 2/2311:00 amMDW - YUL
1 stop4h 30mPorter Airlines
Deal found 12/11$238
This Mytrip deal was found by Cheapflights users on 12/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:00 amYUL - ORD
1 stop6h 01mAir Canada
Tue 12/308:30 pmORD - YUL
1 stop12h 16mAir Canada
Deal found 12/11$266
This Booking.com deal was found by Cheapflights users on 12/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:10 amYUL - ORD
1 stop4h 51mAir Canada
Sun 12/288:30 pmORD - YUL
1 stop4h 23mAir Canada
Deal found 12/11$273
This Air Canada deal was found by Cheapflights users on 12/11. 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.
Sat 12/276:00 amYUL - ORD
1 stop5h 05mAir Canada
Mon 2/2310:35 amORD - YUL
Nonstop2h 25mAir Canada
Deal found 12/11$282
This Air Canada deal was found by Cheapflights users on 12/9. 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 12/2510:10 amYUL - ORD
1 stop6h 00mAir Canada
Sat 1/38:40 pmORD - YUL
1 stop4h 13mAir Canada
Deal found 12/9$291
This Trip.com deal was found by Cheapflights users on 12/10. 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.
Tue 12/306:45 amYUL - MDW
1 stop4h 20mPorter Airlines
Mon 1/54:15 pmMDW - YUL
1 stop5h 30mPorter Airlines
Deal found 12/10$313
This Flightnetwork deal was found by Cheapflights users on 12/11. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:50 amYUL - ORD
2 stops7h 20mAir Canada
Mon 12/292:00 pmORD - YUL
1 stop4h 22mAir Canada
Deal found 12/11$315
This Air Canada deal was found by Cheapflights users on 12/11. 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.
Fri 12/268:00 amYUL - ORD
1 stop6h 01mAir Canada
Tue 12/308:30 pmORD - YUL
1 stop4h 23mAir Canada
Deal found 12/11$317
This United Airlines deal was found by Cheapflights users on 12/9. 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.
Tue 12/305:25 pmYUL - ORD
1 stop17h 19mUnited Airlines
Sun 1/119:00 amORD - YUL
1 stop7h 55mUnited Airlines
Deal found 12/9$322
This FlightHub deal was found by Cheapflights users on 12/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:45 amYUL - MDW
1 stop4h 20mPorter Airlines
Tue 1/611:00 amMDW - YUL
1 stop4h 30mPorter Airlines
Deal found 12/11$326
This FlightHub deal was found by Cheapflights users on 12/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:45 amYUL - MDW
1 stop4h 20mPorter Airlines
Sat 1/311:00 amMDW - YUL
1 stop4h 30mPorter Airlines
Deal found 12/11$328
This Flightnetwork deal was found by Cheapflights users on 12/9. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:45 amYUL - MDW
1 stop4h 20mPorter Airlines
Sun 1/1111:00 amMDW - YUL
1 stop4h 30mPorter Airlines
Deal found 12/9$348

Find flight deals from Pierre Elliott Trudeau Intl to Illinois

Keep the following information in mind while searching for Pierre Elliott Trudeau Intl to Illinois flight deals. Data was last updated December 12, 2025.

Round-trip from

$188
(Air Canada)

One-way from

$164
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$357

Good round-trip deal

$358 or less

Good one-way deal

$214 or less
From Montreal Pierre Elliott Trudeau Intl to Illinois
One-way flight from Montreal Pierre Elliott Trudeau Intl to Illinois
Highest demand for flights based on searches. 4% potential increase in price ($14 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from Montreal Pierre Elliott Trudeau Intl to Illinois.
Price to beat on a one-way flight from Montreal Pierre Elliott Trudeau Intl to Illinois.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre Elliott Trudeau Intl to Illinois 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 December 12, 2025.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Illinois that are best for you.

Fly from

Pierre Elliott Trudeau Intl

Fly to

Illinois

Route

Depart

Return

Price

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Sat 2/14

8:55 am-11:50 am

1 stop3h 55m

Chicago Midway

Tue 2/17

11:00 am-6:45 pm

1 stop6h 45m

$188

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 2/12

6:00 am-9:41 am

1 stop4h 41m

Chicago O'Hare Intl

Sun 2/15

6:30 am-12:02 pm

1 stop4h 32m

$215

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Sun 2/15

6:00 am-9:41 am

1 stop4h 41m

Chicago O'Hare Intl

Thu 2/19

7:10 am-1:36 pm

1 stop5h 26m

$215

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Fri 2/20

6:00 pm-11:57 pm

1 stop6h 57m

Chicago O'Hare Intl

Mon 2/23

12:05 pm-6:35 pm

1 stop5h 30m

$215

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 2/14

6:00 am-9:41 am

1 stop4h 41m

Chicago O'Hare Intl

Tue 2/17

6:15 am-1:40 pm

1 stop6h 25m

$215

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Tue 2/17

7:00 am-11:59 am

1 stop5h 59m

Chicago Midway

Wed 2/18

1:28 pm-11:10 pm

1 stop8h 42m

$215

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Fri 2/13

8:50 am-3:10 pm

2 stops7h 20m

Chicago O'Hare Intl

Sun 2/15

12:50 pm-4:01 pm

Nonstop2h 11m

$224

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 2/12

11:10 am-3:10 pm

1 stop5h 00m

Chicago O'Hare Intl

Sun 2/15

7:15 am-10:20 am

Nonstop2h 05m

$250

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 1/29

4:46 pm-9:05 pm

1 stop5h 19m

Chicago O'Hare Intl

Sun 2/1

7:05 am-4:55 pm

1 stop8h 50m

$260

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Sat 3/14

8:55 am-11:50 am

1 stop3h 55m

Chicago Midway

Tue 3/17

11:00 am-6:45 pm

1 stop6h 45m

$268

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 53 results
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Best time to book a flight from Pierre Elliott Trudeau Intl to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois 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 Illinois

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

Currently, September is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Illinois (average of $131). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Illinois in December is currently the most expensive (average of $270). 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 IL?

Find hourly flight availability from Pierre Elliott Trudeau Intl to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Montreal Pierre Elliott Trudeau Intl Airport to Illinois in the afternoon. If you’re flexible enough to do this you can expect to save up to 53% on your trip compared to booking a flight in the evening.

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

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

Travelers seeking maximum savings on their Montreal Pierre Elliott Trudeau Intl Airport to Illinois flight should consider departing on Thursday evenings when fares are most often at their lowest. Saturday 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 Illinois

Explore weekly flight availability from Pierre Elliott Trudeau Intl to Illinois. 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 December 12, 2025.

The most flights from YUL to USIL are scheduled on a Tuesday (20 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 on average).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated December 12, 2025.
Read through reviews of airlines operating flights from Montreal Pierre Elliott Trudeau Intl Airport to Illinois, such as Porter Airlines, United Airlines, and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.9

Boarding

8.2

Food

7.6

Crew

8.6

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Comfort

7.9

Boarding

8.2

Food

7.6

Crew

8.6

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Comfort

7.9

Boarding

8.2

Food

7.6

Crew

8.6

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Comfort

7.9

Boarding

8.2

Food

7.6

Crew

8.6

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Comfort

7.9

Boarding

8.2

Food

7.6

Crew

8.6

Entertainment

7.0

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl to Illinois. 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 Montreal Pierre Elliott Trudeau Intl Airport to Illinois?

    Porter Airlines, Delta, and American Airlines can get you from Montreal Pierre Elliott Trudeau Intl Airport to Illinois in just under 3h 55m. Your travel time can differ by up to 15h 35m. Montreal Pierre Elliott Trudeau Intl Airport and Illinois are separated by a distance of 743 mi. This flight may include one or multiple stops.

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

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $104. Users have also found prices from $113 and $134 on American Airlines and Porter Airlines, respectively.

  • What are the most popular routes from Montreal Pierre Elliott Trudeau Intl Airport to Illinois?

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

    Before booking your flight to Illinois from Montreal Pierre Elliott Trudeau Intl Airport, check out the most reliable airlines to get you to your destination on time: Qatar Airways (94%), ANA (90%), Emirates( 89%).

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

    Looking for the cheapest flight from Montreal Pierre Elliott Trudeau Intl Airport to Illinois? While on average our users pay $1,039, our data indicates the cheapest price to be $163. The most popular route (Montreal Pierre Elliott Trudeau Intl - Chicago O'Hare Intl), is priced around $187.

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

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

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

    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 Illinois.

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

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to Illinois 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 Illinois?

    Currently, September is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Illinois (average of $131). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Illinois in December is currently the most expensive (average of $270). 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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Alternative routes for Pierre Elliott Trudeau Intl to Illinois

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Pierre Elliott Trudeau Intl to Illinois

Discover the top 4 airlines that operate flights from Pierre Elliott Trudeau Intl to Illinois. 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$156Average$338FlexibilityNo cancel feeOn-time67%
Porter AirlinesCheapest$217Average$300FlexibilityNo cancel feeOn-time52%
American AirlinesCheapest$251Average$414FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$267Average$402FlexibilityNo cancel feeOn-time69%

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