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Cheap flights from Illinois to Montreal Pierre Elliott Trudeau Intl Airport from C$ 158

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 15/6. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YUL
5 May — 12 May1
1 adult

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 30 April 2025.

Round-trip from

C$ 343

One-way from

C$ 158

Popular in

December

Cheapest in

October

Average price

C$ 496

Good round-trip deal

C$ 297 or less

Good one-way deal

C$ 233 or less
Porter Airlines
  • Porter Airlines
  • 29/5-3/6
  • 2 total stops
  • 8h 09m total
  • Illinois to Montreal
Porter Airlines
  • Porter Airlines
  • 15/6
  • 1 total stop
  • 5h 20m total
  • Illinois to Montreal
Highest demand for flights based on searches. 2% potential increase in price (C$ 22 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease (C$ 11 potential savings vs. average RT price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from Illinois to Montreal Pierre Elliott Trudeau Intl.
Price to beat on a one-way flight from Illinois to Montreal Pierre Elliott Trudeau Intl.

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 30 April 2025.

Thu 29/55:20 p.m.MDW - YUL
1 stop3h 55mPorter Airlines
Tue 3/61:10 p.m.YUL - MDW
1 stop4h 14mPorter Airlines
Deal found 28/4C$ 343
Sat 7/68:10 a.m.ORD - YUL
Nonstop2h 20mAmerican Airlines
Sat 7/62:35 p.m.YUL - ORD
1 stop10h 22mAmerican Airlines
Deal found 29/4C$ 382
Wed 4/67:19 a.m.ORD - YUL
Nonstop2h 21mAir Canada
Tue 24/66:15 a.m.YUL - ORD
Nonstop2h 44mAir Canada
Deal found 28/4C$ 408
Wed 4/67:19 a.m.ORD - YUL
Nonstop2h 21mUnited Airlines
Wed 11/68:20 a.m.YUL - ORD
Nonstop2h 32mUnited Airlines
Deal found 29/4C$ 424
Thu 29/55:20 p.m.MDW - YUL
1 stop3h 55mMultiple Airlines
Sun 1/66:45 a.m.YUL - MDW
1 stop11h 09mMultiple Airlines
Deal found 28/4C$ 430
Wed 4/61:30 p.m.ORD - YUL
1 stop9h 24mDelta
Wed 11/66:00 a.m.YUL - ORD
1 stop5h 03mDelta
Deal found 29/4C$ 443
Sat 24/51:55 p.m.MDW - YUL
1 stop8h 24mDelta
Mon 26/56:15 a.m.YUL - MDW
1 stop8h 00mDelta
Deal found 28/4C$ 458
Wed 28/512:41 p.m.ORD - YUL
2 stops34h 56mMultiple Airlines
Mon 2/67:00 a.m.YUL - ORD
3 stops26h 50mMultiple Airlines
Deal found 29/4C$ 460
Thu 8/58:05 p.m.ORD - YUL
1 stop15h 55mSun Country Air
Sun 11/59:00 a.m.YUL - ORD
1 stop9h 15mSun Country Air
Deal found 29/4C$ 532
Thu 19/61:45 p.m.ORD - YUL
2 stops9h 52mWestJet
Sun 29/66:20 a.m.YUL - ORD
1 stop6h 43mWestJet
Deal found 29/4C$ 536
Tue 13/512:48 p.m.MDW - YUL
1 stop10h 06mWestJet
Thu 15/56:15 a.m.YUL - MDW
1 stop12h 30mWestJet
Deal found 28/4C$ 603
Thu 12/66:12 p.m.STL - YUL
3 stops29h 25mMultiple Airlines
Sun 15/66:55 a.m.YUL - STL
3 stops28h 38mMultiple Airlines
Deal found 29/4C$ 627

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 629,999 searches. Data last updated 30 April 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

Thu 29/5

2:16 p.m.-9:41 p.m.

1 stop6h 25m

Montreal Pierre Elliott Trudeau Intl

Sun 1/6

8:20 a.m.-9:52 a.m.

Nonstop2h 32m

C$ 370

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Tue 20/5

5:20 p.m.-10:15 p.m.

1 stop3h 55m

Montreal Pierre Elliott Trudeau Intl

Thu 22/5

1:10 p.m.-4:24 p.m.

1 stop4h 14m

C$ 385

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Wed 4/6

12:41 p.m.-12:37 a.m.

2 stops10h 56m

Montreal Pierre Elliott Trudeau Intl

Wed 11/6

8:20 a.m.-9:52 a.m.

Nonstop2h 32m

C$ 396

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 29/5

2:07 p.m.-5:26 p.m.

Nonstop2h 19m

Montreal Pierre Elliott Trudeau Intl

Sun 1/6

8:20 a.m.-9:52 a.m.

Nonstop2h 32m

C$ 421

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sun 15/6

7:19 a.m.-10:40 a.m.

Nonstop2h 21m

Montreal Pierre Elliott Trudeau Intl

Mon 23/6

6:15 a.m.-7:59 a.m.

Nonstop2h 44m

C$ 424

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Sun 8/6

9:40 a.m.-12:37 a.m.

1 stop13h 57m

Montreal Pierre Elliott Trudeau Intl

Sun 15/6

10:45 a.m.-4:54 p.m.

1 stop7h 09m

C$ 442

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Wed 28/5

9:39 a.m.-5:40 p.m.

1 stop7h 01m

Montreal Pierre Elliott Trudeau Intl

Wed 4/6

12:56 p.m.-8:21 p.m.

1 stop8h 25m

C$ 443

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Fri 13/6

6:07 p.m.-9:50 a.m.

1 stop14h 43m

Montreal Pierre Elliott Trudeau Intl

Fri 20/6

7:50 a.m.-10:51 p.m.

1 stop16h 01m

C$ 472

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Mon 30/6

7:07 a.m.-11:57 a.m.

1 stop3h 50m

Montreal Pierre Elliott Trudeau Intl

Sat 5/7

6:20 a.m.-12:03 p.m.

1 stop6h 43m

C$ 541

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Sat 28/6

6:20 p.m.-11:13 p.m.

1 stop3h 53m

Montreal Pierre Elliott Trudeau Intl

Sat 5/7

7:00 a.m.-3:41 p.m.

1 stop9h 41m

C$ 550

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/4

Showing 1-10 of 33 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, October is the cheapest month in which you can book a flight from Illinois to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 241). Flying from Illinois to Montreal Pierre Elliott Trudeau Intl Airport in April is currently the most expensive (average of C$ 314). 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 30 April 2025.

When flying from Illinois to Montreal Pierre Elliott Trudeau Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 30 April 2025.

The most flights from USIL to YUL are scheduled on a Monday (23 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (8 on average).

Rainfall in Pierre Elliott Trudeau Intl by month

Plan your trip to Pierre Elliott Trudeau Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Montreal Pierre Elliott Trudeau Intl Airport ranges from 64.0 - 111.0 mm per month. August is typically the wettest month, when rainfall can reach 111.0 mm. February is typically the driest time to visit Montreal Pierre Elliott Trudeau Intl Airport when rainfall is around 64.0 mm.

Temperature in Pierre Elliott Trudeau Intl by month

Plan your trip to Pierre Elliott Trudeau Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Montreal Pierre Elliott Trudeau Intl Airport, 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 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -9.0 C).

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 30 April 2025.
Read reviews from past customers who have flown Porter Airlines, Delta and United Airlines from Illinois to Montreal. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.6

Boarding

8.2

Overall

8.0

Comfort

8.1

Crew

8.8

Entertainment

7.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

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

Food

7.6

Boarding

8.2

Overall

8.0

Comfort

8.1

Crew

8.8

Entertainment

7.0

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

Food

7.6

Boarding

8.2

Overall

8.0

Comfort

8.1

Crew

8.8

Entertainment

7.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

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

Food

7.6

Boarding

8.2

Overall

8.0

Comfort

8.1

Crew

8.8

Entertainment

7.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

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

Food

7.6

Boarding

8.2

Overall

8.0

Comfort

8.1

Crew

8.8

Entertainment

7.0

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

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

Food

7.6

Boarding

8.2

Overall

8.0

Comfort

8.1

Crew

8.8

Entertainment

7.0

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 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?

    To fly one-way, consider booking your trip with Porter Airlines, which is currently one of the cheapest options available, starting at C$ 158. United Airlines flights start at C$ 176 while deals on Air Canada start at C$ 183 one-way.

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

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Illinois to Montreal Pierre Elliott Trudeau Intl Airport on time: Avianca (91%), Copa Airlines (88%), Air New Zealand (88%).

  • 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 C$ 167. While the most popular route (Chicago O'Hare Intl - Montreal Pierre Elliott Trudeau Intl) can be booked for C$ 336 on average our data indicates C$ 425 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, October is the cheapest month in which you can book a flight from Illinois to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 241). Flying from Illinois to Montreal Pierre Elliott Trudeau Intl Airport in April is currently the most expensive (average of C$ 314). 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

Travelling to a place near Illinois?

Book flights to Illinois if you plan to visit one of these locations
Laval
Dorval
Longueuil
Cornwall
Brossard
Montebello
Drummondville
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Boucherville
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Bromont
Trois-Rivières

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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.

Top 2 airlines flying from Illinois to Pierre Elliott Trudeau Intl

Discover the top 2 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 629,999 searches. Data last updated 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 244AverageC$ 620FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 364AverageC$ 400FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

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