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Pierre Elliott Trudeau Intl

$55+ Cheap flights from Illinois to Pierre Elliott Trudeau Intl (YUL)

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 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YUL
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Illinois to Pierre Elliott Trudeau Intl

Cheapest flights from Illinois to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Illinois to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/315:52 pmORD - YUL
Nonstop2h 25mUnited Airlines
Tue 1/64:45 pmYUL - ORD
Nonstop3h 06mUnited Airlines
Deal found 12/16$278
This Air Canada deal was found by Cheapflights users on 12/16. 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.
Wed 12/318:30 pmORD - YUL
1 stop4h 23mAir Canada
Tue 1/69:10 amYUL - ORD
1 stop4h 51mAir Canada
Deal found 12/16$302
This Air Canada deal was found by Cheapflights users on 12/16. 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.
Tue 12/308:30 pmORD - YUL
1 stop10h 18mAir Canada
Mon 1/510:10 amYUL - ORD
1 stop6h 00mAir Canada
Deal found 12/16$415
This Delta deal was found by Cheapflights users on 12/16. 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.
Tue 12/306:08 pmMDW - YUL
1 stop4h 11mDelta
Mon 1/57:00 amYUL - MDW
1 stop10h 29mDelta
Deal found 12/16$422
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/3011:00 amMDW - YUL
1 stop6h 45mMultiple Airlines
Sun 1/46:15 pmYUL - MDW
1 stop17h 12mMultiple Airlines
Deal found 12/16$447
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Thu 12/256:12 amMDW - YUL
2 stops17h 18mMultiple Airlines
Tue 12/306:45 amYUL - MDW
1 stop4h 20mMultiple Airlines
Deal found 12/15$467
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Mon 12/294:15 pmMDW - YUL
1 stop5h 30mMultiple Airlines
Wed 1/712:54 pmYUL - MDW
1 stop5h 40mMultiple Airlines
Deal found 12/16$477
This Air Canada deal was found by Cheapflights users on 12/16. 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.
Mon 12/298:15 pmORD - YUL
1 stop4h 38mAir Canada
Wed 1/710:10 amYUL - ORD
1 stop6h 00mAir Canada
Deal found 12/16$477
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Mon 12/295:52 pmORD - YUL
Nonstop2h 25mUnited Airlines
Wed 1/74:45 pmYUL - ORD
Nonstop3h 06mUnited Airlines
Deal found 12/16$479
This Air Canada deal was found by Cheapflights users on 12/17. 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.
Wed 12/318:30 pmORD - YUL
1 stop4h 23mAir Canada
Thu 1/19:10 amYUL - ORD
1 stop4h 51mAir Canada
Deal found 12/17$491
This FlightHub deal was found by Cheapflights users on 12/17. 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 12/3111:00 amMDW - YUL
1 stop5h 15mPorter Airlines
Thu 1/111:25 amYUL - MDW
1 stop4h 55mPorter Airlines
Deal found 12/17$497
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 12/3010:48 amSTL - YUL
2 stops36h 42mMultiple Airlines
Wed 1/74:35 pmYUL - STL
1 stop30h 58mMultiple Airlines
Deal found 12/16$514

Find flight deals from Illinois to Pierre Elliott Trudeau Intl

Keep the following information in mind while searching for Illinois to Pierre Elliott Trudeau Intl flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$198
(American Airlines)

One-way from

$55
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$412

Good round-trip deal

$553 or less

Good one-way deal

$322 or less
Provider with most accurate pricing for Chicago (CHI)-Montreal (YMQ) flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Montreal (YMQ) flights.
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From Illinois to Montreal Pierre Elliott Trudeau Intl
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One-way flight from Illinois to Montreal Pierre Elliott Trudeau Intl
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High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Illinois to Montreal Pierre Elliott Trudeau Intl.
Search Deals
Price to beat on a one-way flight from Illinois to Montreal Pierre Elliott Trudeau Intl.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Pierre Elliott Trudeau Intl 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 18, 2025.
Use the filters below to find and compare flights from Illinois to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Illinois

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Wed 2/18

6:00 am-1:28 pm

1 stop6h 28m

Montreal Pierre Elliott Trudeau Intl

Fri 2/20

4:45 pm-6:45 pm

Nonstop3h 00m

$202

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Fri 2/20

11:46 am-3:05 pm

Nonstop2h 19m

Montreal Pierre Elliott Trudeau Intl

Mon 2/23

2:25 pm-12:29 pm

1 stop23h 04m

$203

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 2/14

1:02 pm-7:48 pm

1 stop5h 46m

Montreal Pierre Elliott Trudeau Intl

Sat 2/21

2:13 pm-6:41 pm

1 stop5h 28m

$207

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 2/7

1:00 pm-7:48 pm

1 stop5h 48m

Montreal Pierre Elliott Trudeau Intl

Sun 2/8

3:00 pm-8:13 pm

1 stop6h 13m

$207

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 2/5

7:10 am-1:28 pm

1 stop5h 18m

Montreal Pierre Elliott Trudeau Intl

Thu 2/12

9:15 am-2:20 pm

1 stop6h 05m

$207

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Sat 2/14

1:28 pm-11:10 pm

1 stop8h 42m

Montreal Pierre Elliott Trudeau Intl

Sat 2/21

6:00 am-12:46 pm

1 stop7h 46m

$237

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Sat 2/7

1:26 pm-11:12 pm

1 stop8h 46m

Montreal Pierre Elliott Trudeau Intl

Sun 2/8

6:00 am-12:46 pm

1 stop7h 46m

$237

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Thu 2/12

6:00 am-4:53 pm

1 stop9h 53m

Montreal Pierre Elliott Trudeau Intl

Sat 2/14

6:00 am-12:46 pm

1 stop7h 46m

$237

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Thu 2/12

6:00 am-4:53 pm

1 stop9h 53m

Montreal Pierre Elliott Trudeau Intl

Tue 2/17

6:00 am-12:46 pm

1 stop7h 46m

$237

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Thu 2/12

6:00 am-4:53 pm

1 stop9h 53m

Montreal Pierre Elliott Trudeau Intl

Sun 2/15

6:00 am-12:46 pm

1 stop7h 46m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 49 results
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Best time to book a flight from Illinois to Pierre Elliott Trudeau Intl

Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau Intl from Illinois 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 Illinois to Montreal Pierre Elliott Trudeau Intl Airport

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

Currently, April is the cheapest month in which you can book a flight from Illinois to Montreal Pierre Elliott Trudeau Intl Airport (average of $103). Flying from Illinois to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of $283). 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 IL to YUL?

Find hourly flight availability from Illinois to Pierre Elliott Trudeau Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

One of the essential ways to save on airfare from Illinois to Montreal Pierre Elliott Trudeau Intl Airport is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 24% on airfare.

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

Explore weekly flight availability from Illinois to Pierre Elliott Trudeau Intl. 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 18, 2025.

The most flights from USIL to YUL are scheduled on a Tuesday (22 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (4 on average).

Related info for your journey

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

    There are many flights that can get you from Illinois to Montreal Pierre Elliott Trudeau Intl Airport in 2h 19m. Fly via United Airlines, American Airlines, or Delta to get the fastest option. There are 745 mi between Illinois and Montreal Pierre Elliott Trudeau Intl Airport. Both multi-stop and nonstop flights can be found to your destination and back.

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

    One-way options have recently been found by users for as low as $64 on Air Canada. Other airlines that offer cheap prices include American Airlines from $74 and United Airlines from $74 one-way.

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

    When deciding which route to take from Illinois to Montreal Pierre Elliott Trudeau Intl Airport consider Chicago O'Hare Intl - Montreal Pierre Elliott Trudeau Intl, Chicago Midway - Montreal Pierre Elliott Trudeau Intl or Lambert-St Louis - Montreal Pierre Elliott Trudeau Intl as they are the most popular.

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

    The top 3 most reliable airlines when flying from Illinois to Montreal Pierre Elliott Trudeau Intl Airport are Republic Airways (80%), Porter Airlines (79%) and Japan Airlines (76%).

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

    Looking at all options, your cheapest flight can be booked for $142. While the most popular route (Chicago O'Hare Intl - Montreal Pierre Elliott Trudeau Intl) can be booked for $182 on average, our data indicates $1,042 when flying from Illinois to Montreal Pierre Elliott Trudeau Intl Airport.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Illinois to Montreal Pierre Elliott Trudeau Intl Airport (average of $103). Flying from Illinois to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of $283). 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
Laval
Longueuil
Brossard
Dorval

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Alternative routes for Illinois to Pierre Elliott Trudeau Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Illinois to Pierre Elliott Trudeau Intl

Discover the top 4 airlines that operate flights from Illinois to Pierre Elliott Trudeau Intl. 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 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$148Average$367FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$163Average$398FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$192Average$405FlexibilityNo cancel feeOn-time71%
Porter AirlinesCheapest$249Average$457FlexibilityNo cancel feeOn-time52%

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