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Pierre Elliott Trudeau Intl

$94+ 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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YUL
ago. 4 — ago. 111
lun. 8/4
lun. 8/11
1 adult, Economy
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Cheap 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 julio 30, 2025.

Round-trip from

$196
(Kiwi.com)

One-way from

$94
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$402

Good round-trip deal

$329 or less

Good one-way deal

$134 or less
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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Highest demand for flights based on searches. 5% potential increase in price ($19 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Illinois to Montreal Pierre Elliott Trudeau Intl.
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Price to beat on a one-way flight from Illinois to Montreal Pierre Elliott Trudeau Intl.
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Find 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 julio 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/245:20 pmMDW - YUL
1 stop3h 55mPorter Airlines
vie. 9/261:10 pmYUL - MDW
1 stop4h 14mPorter Airlines
Deal found 7/28$196
This flygcity.se deal was found by Cheapflights users on 7/30. 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 flygcity.se is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/2012:33 pmORD - YUL
1 stop8h 59mMultiple Airlines
lun. 9/228:20 amYUL - ORD
Nonstop2h 31mMultiple Airlines
Deal found 7/30$199
This Air Canada deal was found by Cheapflights users on 7/30. 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.
lun. 9/228:40 amORD - YUL
Nonstop2h 17mAir Canada
vie. 9/268:20 amYUL - ORD
Nonstop2h 31mAir Canada
Deal found 7/30$203
This American Airlines deal was found by Cheapflights users on 7/29. 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.
mié. 10/299:12 pmORD - YUL
1 stop14h 12mAmerican Airlines
dom. 11/23:52 pmYUL - ORD
Nonstop3h 00mAmerican Airlines
Deal found 7/29$205
This Mytrip deal was found by Cheapflights users on 7/27. 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.
jue. 9/189:15 amMDW - YUL
1 stop7h 05mMultiple Airlines
dom. 9/2110:45 amYUL - MDW
1 stop6h 39mMultiple Airlines
Deal found 7/27$219
This Delta deal was found by Cheapflights users on 7/30. 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.
sáb. 9/207:10 amORD - YUL
1 stop3h 50mDelta
lun. 9/226:55 pmYUL - ORD
1 stop5h 59mDelta
Deal found 7/30$237
This Delta deal was found by Cheapflights users on 7/30. 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.
sáb. 9/206:15 pmMDW - YUL
1 stop4h 14mDelta
dom. 9/286:00 amYUL - MDW
1 stop3h 40mDelta
Deal found 7/30$294
This Trip.com deal was found by Cheapflights users on 7/29. 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.
sáb. 8/236:00 pmORD - YUL
Nonstop2h 29mUnited Airlines
lun. 8/256:15 amYUL - ORD
Nonstop2h 46mUnited Airlines
Deal found 7/29$296
This American Airlines deal was found by Cheapflights users on 7/30. 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.
mié. 9/106:10 amSTL - YUL
1 stop9h 23mAmerican Airlines
lun. 9/155:15 pmYUL - STL
1 stop17h 11mAmerican Airlines
Deal found 7/30$348
This American Airlines deal was found by Cheapflights users on 7/29. 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.
sáb. 9/136:15 pmPIA - YUL
1 stop21h 18mAmerican Airlines
sáb. 9/205:15 pmYUL - PIA
1 stop17h 09mAmerican Airlines
Deal found 7/29$437
This Mytrip deal was found by Cheapflights users on 7/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/612:20 pmSTL - YUL
1 stop11h 25mMultiple Airlines
dom. 11/98:00 amYUL - STL
3 stops29h 00mMultiple Airlines
Deal found 7/28$456
This Air Canada deal was found by Cheapflights users on 7/29. 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.
mié. 9/101:30 pmSTL - YUL
Nonstop2h 30mAir Canada
mié. 9/179:15 amYUL - STL
1 stop7h 03mAir Canada
Deal found 7/29$520

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 julio 30, 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

MDW - YUL

MDWYUL

Chicago Midway

mié. 9/24

5:20 pm-10:15 pm

1 stop3h 55m

Montreal Pierre Elliott Trudeau Intl

vie. 9/26

1:10 pm-4:24 pm

1 stop4h 14m

$196

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

sáb. 9/20

12:33 pm-10:32 pm

1 stop8h 59m

Montreal Pierre Elliott Trudeau Intl

lun. 9/22

8:20 am-9:51 am

Nonstop2h 31m

$199

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

lun. 9/22

8:40 am-11:57 am

Nonstop2h 17m

Montreal Pierre Elliott Trudeau Intl

vie. 9/26

8:20 am-9:51 am

Nonstop2h 31m

$203

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

lun. 9/1

9:50 am-3:20 pm

1 stop4h 30m

Montreal Pierre Elliott Trudeau Intl

vie. 9/5

12:30 pm-2:05 pm

Nonstop2h 35m

$213

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

jue. 9/18

9:15 am-5:20 pm

1 stop7h 05m

Montreal Pierre Elliott Trudeau Intl

dom. 9/21

10:45 am-4:24 pm

1 stop6h 39m

$219

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

sáb. 9/20

7:10 am-12:00 pm

1 stop3h 50m

Montreal Pierre Elliott Trudeau Intl

lun. 9/22

6:55 pm-11:54 pm

1 stop5h 59m

$237

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

sáb. 9/20

6:15 pm-11:29 pm

1 stop4h 14m

Montreal Pierre Elliott Trudeau Intl

dom. 9/28

6:00 am-8:40 am

1 stop3h 40m

$294

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

sáb. 8/23

6:00 pm-9:29 pm

Nonstop2h 29m

Montreal Pierre Elliott Trudeau Intl

lun. 8/25

6:15 am-8:01 am

Nonstop2h 46m

$296

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

mié. 9/10

6:10 am-4:33 pm

1 stop9h 23m

Montreal Pierre Elliott Trudeau Intl

lun. 9/15

5:15 pm-9:26 am

1 stop17h 11m

$348

PeoriaMontreal

PIA - YUL

PIAYUL

Greater Peoria

sáb. 9/13

6:15 pm-4:33 pm

1 stop21h 18m

Montreal Pierre Elliott Trudeau Intl

sáb. 9/20

5:15 pm-9:24 am

1 stop17h 09m

$437

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 31 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, January is the cheapest month in which you can book a flight from Illinois to Montreal Pierre Elliott Trudeau Intl Airport (average of $270). Flying from Illinois to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of $409). 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 julio 30, 2025.

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

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 julio 30, 2025.

The most flights from USIL to YUL are scheduled on a Monday (28 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (26 on average).

Reviews of airlines servicing Pierre Elliott Trudeau Intl

Get insights into the airlines that provide service to Pierre Elliott Trudeau Intl. 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 Pierre Elliott Trudeau Intl. Reviews last updated julio 30, 2025.
Read reviews from past customers who have flown Porter Airlines, Delta, and United Airlines from Illinois to Montreal Pierre Elliott Trudeau Intl Airport. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
318 reviews

Overall

8.0

Crew

8.7

Food

7.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Porter Airlines
8.0
Very good
318 reviews
Porter Airlines
8.0
Very good
318 reviews

Overall

8.0

Crew

8.7

Food

7.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Delta
8.0
Very good
7,980 reviews
Porter Airlines
8.0
Very good
318 reviews

Overall

8.0

Crew

8.7

Food

7.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
United Airlines
7.4
Good
8,896 reviews
Porter Airlines
8.0
Very good
318 reviews

Overall

8.0

Crew

8.7

Food

7.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very good
318 reviews

Overall

8.0

Crew

8.7

Food

7.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
WestJet
7.2
Good
2,975 reviews
Porter Airlines
8.0
Very good
318 reviews

Overall

8.0

Crew

8.7

Food

7.6

Boarding

8.2

Comfort

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

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.

  • 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 $94 on Porter Airlines. Other airlines that offer cheap prices include Air Canada from $115 and American Airlines from $121 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 (90%), Emirates (87%) and Alaska Airlines (87%).

  • 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 $74. While the most popular route (Chicago O'Hare Intl - Montreal Pierre Elliott Trudeau Intl) can be booked for $193 on average our data indicates $1,470 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, January is the cheapest month in which you can book a flight from Illinois to Montreal Pierre Elliott Trudeau Intl Airport (average of $270). Flying from Illinois to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of $409). 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
Longueuil
Laval
Brossard
Sherbrooke
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 julio 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$150Average$402FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$192Average$405FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$202Average$386FlexibilityNo cancel feeOn-time69%
Porter AirlinesCheapest$245Average$280FlexibilityNo cancel feeOn-time52%

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