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Cheap flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport from C$ 169

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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — YUL
29 Apr — 6 May1
1 adult

Cheapflights Tip: The best prices from Chicago to Montreal Pierre Elliott Trudeau Intl are usually found in September or November, booked 51 days in advance, depart on a Sunday or Monday and return on a Thursday

Cheap flight deals from Chicago to Pierre Elliott Trudeau Intl

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Pierre Elliott Trudeau Intl (YUL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 24 April 2025.

Round-trip from

C$ 330

One-way from

C$ 169

Popular in

December

Cheapest in

September

Average price

C$ 647

Good round-trip deal

C$ 369 or less

Good one-way deal

C$ 244 or less
Porter Airlines
  • Porter Airlines
  • 11/6-15/6
  • 2 total stops
  • 14h 24m total
  • Chicago to Montreal
Air Canada
  • Air Canada
  • 6/5
  • Nonstop
  • 2h 31m total
  • Chicago to Montreal
Highest demand for flights based on searches. 3% potential increase in price (C$ 27 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease (C$ 14 potential savings vs. average RT price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from Chicago (CHI) to Montreal Pierre Elliott Trudeau Intl.
Price to beat on a one-way flight from Chicago (CHI) to Montreal Pierre Elliott Trudeau Intl.

Find flight deals from Chicago to Pierre Elliott Trudeau Intl

Cheapest flights from Chicago to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Chicago to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 April 2025.

Sat 14/67:19 a.m.ORD - YUL
Nonstop2h 21mAir Canada
Wed 18/61:00 p.m.YUL - ORD
1 stop6h 53mAir Canada
Deal found 23/4C$ 345
Sun 18/59:40 a.m.MDW - YUL
1 stop5h 20mPorter Airlines
Thu 22/51:10 p.m.YUL - MDW
1 stop4h 14mPorter Airlines
Deal found 24/4C$ 352
Wed 21/59:40 a.m.MDW - YUL
1 stop13h 57mMultiple Airlines
Wed 28/51:10 p.m.YUL - MDW
1 stop4h 44mMultiple Airlines
Deal found 23/4C$ 356
Sat 7/65:25 p.m.MDW - YUL
1 stop4h 51mDelta
Sat 14/66:00 a.m.YUL - MDW
1 stop3h 41mDelta
Deal found 23/4C$ 371
Thu 25/97:00 a.m.ORD - YUL
1 stop8h 00mDelta
Thu 2/106:00 a.m.YUL - ORD
1 stop4h 25mDelta
Deal found 24/4C$ 381
Tue 1/78:10 a.m.ORD - YUL
Nonstop2h 20mAmerican Airlines
Sat 5/75:29 p.m.YUL - ORD
Nonstop2h 35mAmerican Airlines
Deal found 23/4C$ 389
Sat 7/61:29 p.m.ORD - YUL
Nonstop2h 15mBritish Airways
Sat 14/612:30 p.m.YUL - ORD
Nonstop2h 35mBritish Airways
Deal found 23/4C$ 403
Tue 1/79:31 p.m.ORD - YUL
1 stop13h 09mMultiple Airlines
Sat 5/78:20 a.m.YUL - ORD
Nonstop2h 32mMultiple Airlines
Deal found 23/4C$ 427
Wed 21/55:05 a.m.ORD - YUL
1 stop17h 21mUnited Airlines
Sat 24/58:20 a.m.YUL - ORD
Nonstop2h 32mUnited Airlines
Deal found 22/4C$ 436
Wed 28/512:48 p.m.MDW - YUL
1 stop10h 06mWestJet
Sat 31/56:10 a.m.YUL - MDW
1 stop8h 05mWestJet
Deal found 23/4C$ 546
Sat 24/53:43 p.m.ORD - YUL
2 stops17h 07mWestJet
Mon 26/56:00 a.m.YUL - ORD
1 stop4h 51mWestJet
Deal found 23/4C$ 586

Cheapflights Fare Finder

Customize your flight search to find flights from Chicago 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 24 April 2025.
Use the filters below to find and compare flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Chicago

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 14/6

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

Nonstop2h 21m

Montreal Pierre Elliott Trudeau Intl

Wed 18/6

1:00 p.m.-6:53 p.m.

1 stop6h 53m

C$ 345

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Sun 8/6

9:40 a.m.-4:00 p.m.

1 stop5h 20m

Montreal Pierre Elliott Trudeau Intl

Sun 15/6

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

1 stop7h 09m

C$ 352

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Wed 21/5

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

1 stop13h 57m

Montreal Pierre Elliott Trudeau Intl

Wed 28/5

1:10 p.m.-4:54 p.m.

1 stop4h 44m

C$ 356

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Sat 7/6

5:25 p.m.-11:16 p.m.

1 stop4h 51m

Montreal Pierre Elliott Trudeau Intl

Sat 14/6

6:00 a.m.-8:41 a.m.

1 stop3h 41m

C$ 371

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Fri 9/5

8:24 a.m.-11:44 a.m.

Nonstop2h 20m

Montreal Pierre Elliott Trudeau Intl

Wed 28/5

12:30 p.m.-2:05 p.m.

Nonstop2h 35m

C$ 374

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 25/9

6:00 a.m.-5:04 p.m.

1 stop10h 04m

Montreal Pierre Elliott Trudeau Intl

Sun 28/9

6:00 a.m.-9:25 a.m.

1 stop4h 25m

C$ 381

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 21/6

7:00 a.m.-6:25 p.m.

1 stop10h 25m

Montreal Pierre Elliott Trudeau Intl

Sat 21/6

9:50 p.m.-9:09 a.m.

1 stop12h 19m

C$ 397

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 7/6

1:29 p.m.-4:44 p.m.

Nonstop2h 15m

Montreal Pierre Elliott Trudeau Intl

Sat 14/6

12:30 p.m.-2:05 p.m.

Nonstop2h 35m

C$ 403

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Wed 21/5

5:05 a.m.-11:26 p.m.

1 stop17h 21m

Montreal Pierre Elliott Trudeau Intl

Sat 24/5

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

Nonstop2h 32m

C$ 436

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Wed 28/5

12:48 p.m.-11:54 p.m.

1 stop10h 06m

Montreal Pierre Elliott Trudeau Intl

Sat 31/5

6:10 a.m.-1:15 p.m.

1 stop8h 05m

C$ 546

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/4

Showing 1-10 of 22 results
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Best time to book a flight from Chicago to Pierre Elliott Trudeau Intl

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

How far ahead should I book a flight from Chicago to Montreal Pierre Elliott Trudeau Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Pierre Elliott Trudeau Intl. Price data was last updated on 18 April 2025.

Booking 51 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, October is the cheapest month in which you can book a flight from Chicago to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 241). Flying from Chicago to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of C$ 312). 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 CHI to YUL?

Find hourly flight availability from Chicago 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 24 April 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 50% on flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport by exploring options for tickets at noon.

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

Explore weekly flight availability from Chicago 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 24 April 2025.

The most flights from CHI to YUL are scheduled on a Monday (23 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (18 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 24 April 2025.
See what other customers who have flown with Porter Airlines, Delta and Air Transat from Chicago to Montreal have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Boarding

8.2

Comfort

8.1

Crew

8.8

Entertainment

7.0

Food

7.6

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

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

Overall

8.0

Boarding

8.2

Comfort

8.1

Crew

8.8

Entertainment

7.0

Food

7.6

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

Overall

8.0

Boarding

8.2

Comfort

8.1

Crew

8.8

Entertainment

7.0

Food

7.6

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

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

Overall

8.0

Boarding

8.2

Comfort

8.1

Crew

8.8

Entertainment

7.0

Food

7.6

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

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

Overall

8.0

Boarding

8.2

Comfort

8.1

Crew

8.8

Entertainment

7.0

Food

7.6

Reviews

1 / 18
10.0
Excellent

Anonymous,Apr 2025

MCO - YHZ

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

Overall

8.0

Boarding

8.2

Comfort

8.1

Crew

8.8

Entertainment

7.0

Food

7.6

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 Chicago 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 flying from Chicago to Montreal Pierre Elliott Trudeau Intl Airport round-trip?

    Cheapflights users have booked flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport round-trip from C$ 330. Other airlines that can offer you cheap pricing are Air Canada, from C$ 345, and Delta, from C$ 371. These flights start at 40% lower than the current average price 3 months from now.

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

    The cheapest airlines for a one-way flight from Chicago to Montreal Pierre Elliott Trudeau Intl Airport are Air Canada (C$ 169), Delta (C$ 173), and United Airlines (C$ 188).

  • What are the most reliable airlines from Chicago 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 Chicago to Montreal Pierre Elliott Trudeau Intl Airport on time: Avianca (91%), Copa Airlines (88%), Air New Zealand (88%).

  • What are the cheapest flights from Chicago 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$ 319 on average our data indicates C$ 381 when flying from Chicago to Montreal Pierre Elliott Trudeau Intl Airport.

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

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

  • How can I find direct flights from Chicago 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 Chicago to Pierre Elliott Trudeau Intl.

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

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

    Currently, October is the cheapest month in which you can book a flight from Chicago to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 241). Flying from Chicago to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of C$ 312). 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 Chicago 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 Chicago to Pierre Elliott Trudeau Intl

Discover the top 2 airlines that operate flights from Chicago 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 24 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 245AverageC$ 621FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 364AverageC$ 400FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights

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Can Cheapflights find flights from Chicago to Pierre Elliott Trudeau Intl with no change fees?

Yes! Cheapflights helps users easily find flights from Chicago to Pierre Elliott Trudeau Intl with no change fees.

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Not ready to book yet? You can track prices for flights from Chicago to Pierre Elliott Trudeau Intl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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