Illinois

$118+ 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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — ORD
Apr 29 — May 61
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Cheap 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 April 24, 2025.

Round-trip from

$228
(Trip.com)

One-way from

$118
(Kiwi.com)

Popular in

November

Cheapest in

March

Average price

$368

Good round-trip deal

$300 or less

Good one-way deal

$178 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. 5% potential increase in price ($21 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Average for round-trip flights in April 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.

Find 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 April 24, 2025.

This Trip.com deal was found by Cheapflights users on 4/22. 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 5/810:45 amYUL - MDW
1 stop6h 39mPorter Airlines
Mon 5/129:40 amMDW - YUL
1 stop5h 20mPorter Airlines
Deal found 4/22$228
This Air Canada deal was found by Cheapflights users on 4/23. 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 5/2210:15 amYUL - ORD
1 stop4h 46mAir Canada
Mon 5/268:25 pmORD - YUL
1 stop4h 26mAir Canada
Deal found 4/23$229
This American Airlines deal was found by Cheapflights users on 4/23. 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 4/23$231
This Delta deal was found by Cheapflights users on 4/23. 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.
Mon 6/212:56 pmYUL - ORD
1 stop4h 34mDelta
Fri 6/61:45 pmORD - YUL
1 stop8h 31mDelta
Deal found 4/23$238
This Delta deal was found by Cheapflights users on 4/22. 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 6/56:00 amYUL - MDW
1 stop3h 40mDelta
Fri 6/64:15 pmMDW - YUL
1 stop6h 39mDelta
Deal found 4/22$238
This United deal was found by Cheapflights users on 4/22. 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.
Mon 6/28:20 amYUL - ORD
Nonstop2h 32mMultiple Airlines
Fri 6/610:00 amORD - YUL
1 stop5h 21mMultiple Airlines
Deal found 4/22$261
This United Airlines deal was found by Cheapflights users on 4/23. 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.
Thu 5/226:40 pmYUL - ORD
Nonstop2h 32mUnited Airlines
Mon 5/267:19 amORD - YUL
Nonstop2h 21mUnited Airlines
Deal found 4/23$276
This Trip.com deal was found by Cheapflights users on 4/23. 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.
Sat 5/177:00 amYUL - MDW
1 stop15h 14mMultiple Airlines
Sun 5/259:40 amMDW - YUL
1 stop5h 20mMultiple Airlines
Deal found 4/23$287
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 5/136:45 amYUL - STL
2 stops18h 21mMultiple Airlines
Wed 5/145:45 pmSTL - YUL
1 stop19h 35mMultiple Airlines
Deal found 4/22$314
This WestJet deal was found by Cheapflights users on 4/23. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/216:00 amYUL - ORD
1 stop7h 41mWestJet
Mon 5/266:24 amORD - YUL
2 stops17h 19mWestJet
Deal found 4/23$335
This SmartFares deal was found by Cheapflights users on 4/23. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/316:10 amYUL - MDW
1 stop8h 05mWestJet
Sat 9/62:00 pmMDW - YUL
1 stop8h 18mWestJet
Deal found 4/23$340
This Delta deal was found by Cheapflights users on 4/23. 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 6/57:00 amYUL - STL
1 stop6h 04mDelta
Sun 6/85:23 pmSTL - YUL
1 stop5h 31mDelta
Deal found 4/23$389

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 April 24, 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

Thu 5/8

10:45 am-4:24 pm

1 stop6h 39m

Chicago Midway

Mon 5/12

9:40 am-4:00 pm

1 stop5h 20m

$228

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 5/22

10:15 am-2:01 pm

1 stop4h 46m

Chicago O'Hare Intl

Mon 5/26

8:25 pm-1:51 am

1 stop4h 26m

$229

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

$231

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Mon 6/2

12:56 pm-4:30 pm

1 stop4h 34m

Chicago O'Hare Intl

Fri 6/6

1:45 pm-11:16 pm

1 stop8h 31m

$238

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Thu 6/5

6:00 am-8:40 am

1 stop3h 40m

Chicago Midway

Fri 6/6

4:15 pm-11:54 pm

1 stop6h 39m

$238

MontrealChicago

YUL - MDW

YULMDW

Montreal Pierre Elliott Trudeau Intl

Sun 6/8

6:45 am-4:54 pm

1 stop11h 09m

Chicago Midway

Wed 6/11

9:40 am-4:00 pm

1 stop5h 20m

$257

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Mon 6/2

8:20 am-9:52 am

Nonstop2h 32m

Chicago O'Hare Intl

Fri 6/6

10:00 am-4:21 pm

1 stop5h 21m

$261

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 5/22

6:40 pm-8:12 pm

Nonstop2h 32m

Chicago O'Hare Intl

Mon 5/26

7:19 am-10:40 am

Nonstop2h 21m

$276

MontrealSt. Louis

YUL - STL

YULSTL

Montreal Pierre Elliott Trudeau Intl

Tue 5/13

6:45 am-12:06 am

2 stops18h 21m

Lambert-St Louis

Wed 5/14

5:45 pm-2:20 pm

1 stop19h 35m

$314

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 6/7

7:00 am-12:20 pm

1 stop6h 20m

Chicago O'Hare Intl

Sat 6/7

3:45 pm-11:19 pm

1 stop6h 34m

$329

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 30 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, August is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Illinois (average of $245). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Illinois 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 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 April 24, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Montreal Pierre Elliott Trudeau Intl Airport to Illinois as you normally would.

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 April 24, 2025.

The most flights from YUL to USIL 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 (17 on average).

Rainfall in Illinois by month

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

In terms of precipitation, rainfall in Illinois 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 Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, 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 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 April 24, 2025.
Get a feel of what it's like to fly with Porter Airlines, Delta and United Airlines from Montreal to Illinois by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.8

Food

7.6

Boarding

8.2

Entertainment

7.0

Overall

8.0

Comfort

8.1

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

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

Crew

8.8

Food

7.6

Boarding

8.2

Entertainment

7.0

Overall

8.0

Comfort

8.1

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

A good flight and the crew was very nice. Thank you
8.0
Very good

Crew

8.8

Food

7.6

Boarding

8.2

Entertainment

7.0

Overall

8.0

Comfort

8.1

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

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

Crew

8.8

Food

7.6

Boarding

8.2

Entertainment

7.0

Overall

8.0

Comfort

8.1

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

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

Crew

8.8

Food

7.6

Boarding

8.2

Entertainment

7.0

Overall

8.0

Comfort

8.1

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

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

Crew

8.8

Food

7.6

Boarding

8.2

Entertainment

7.0

Overall

8.0

Comfort

8.1

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 Illinois. 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 to fly from Montreal Pierre Elliott Trudeau Intl Airport to Illinois one-way?

    For one-way options, check prices for Porter Airlines. According to our data, you can fly for as low as $118. Users have also found prices from $129 and $130 on Air Canada and American 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: Sun Country Air (100%), Emirates (93%), ANA( 91%).

  • 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 $985, our data indicates the cheapest price to be $148. The most popular route (Montreal Pierre Elliott Trudeau Intl - Chicago O'Hare Intl), is priced around $219.

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

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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 5 airlines flying from Pierre Elliott Trudeau Intl to Illinois

Discover the top 5 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$112Average$495FlexibilityNo cancel feeOn-time69%
Porter AirlinesCheapest$226Average$325FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$251Average$463FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$282Average$386FlexibilityNo cancel feeOn-time71%
WestJetCheapest$334Average$354FlexibilityNo cancel feeOn-time60%

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