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Cheap flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport from C$ 173

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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — YUL
2 Apr — 9 Apr1
1 adult

Cheapflights Tip: The best prices from Chicago to Montreal Pierre Elliott Trudeau Intl are usually found in September or October, booked 81 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 28 March 2025.

Round-trip from

C$ 333

One-way from

C$ 173

Popular in

December

Cheapest in

September

Average price

C$ 563

Good round-trip deal

C$ 385 or less

Good one-way deal

C$ 215 or less
Porter Airlines
  • Porter Airlines
  • 18/4-21/4
  • 2 total stops
  • 9h 02m total
  • Chicago to Montreal
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Air Canada
  • Air Canada
  • 4/5
  • Nonstop
  • 2h 15m total
  • Chicago to Montreal
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Highest demand for flights based on searches. 3% potential increase in price (C$ 27 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 15 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Chicago (CHI) to Montreal Pierre Elliott Trudeau Intl.
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Price to beat on a one-way flight from Chicago (CHI) to Montreal Pierre Elliott Trudeau Intl.
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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 28 March 2025.

Fri 18/411:15 a.m.MDW - YUL
1 stop4h 32mPorter Airlines
Mon 21/46:50 a.m.YUL - MDW
1 stop4h 30mPorter Airlines
Deal found 27/3C$ 333
Tue 6/56:05 p.m.ORD - YUL
Nonstop2h 24mAir Canada
Tue 27/51:00 p.m.YUL - ORD
1 stop6h 53mAir Canada
Deal found 27/3C$ 346
Wed 14/51:55 p.m.MDW - YUL
1 stop8h 24mMultiple Airlines
Wed 21/51:10 p.m.YUL - MDW
1 stop4h 44mMultiple Airlines
Deal found 28/3C$ 427
Mon 12/55:20 p.m.ORD - YUL
2 stops30h 17mMultiple Airlines
Mon 19/51:00 p.m.YUL - ORD
1 stop6h 54mMultiple Airlines
Deal found 27/3C$ 433
Sat 19/48:25 a.m.ORD - YUL
Nonstop2h 19mAmerican Airlines
Mon 21/412:30 p.m.YUL - ORD
Nonstop2h 35mAmerican Airlines
Deal found 28/3C$ 439
Sat 19/41:25 p.m.ORD - YUL
1 stop9h 03mDelta
Mon 21/46:00 p.m.YUL - ORD
1 stop6h 59mDelta
Deal found 27/3C$ 445
Fri 30/56:00 p.m.ORD - YUL
1 stop12h 48mUnited Airlines
Mon 2/66:40 p.m.YUL - ORD
Nonstop2h 40mUnited Airlines
Deal found 27/3C$ 449
Sun 11/56:25 p.m.MDW - YUL
1 stop3h 51mDelta
Sun 18/56:00 a.m.YUL - MDW
1 stop3h 40mDelta
Deal found 26/3C$ 470
Mon 7/77:00 a.m.ORD - YUL
1 stop15h 09mWestJet
Fri 11/76:00 a.m.YUL - ORD
1 stop13h 40mWestJet
Deal found 26/3C$ 570
Sat 10/59:20 a.m.MDW - YUL
1 stop12h 59mWestJet
Sat 17/56:45 a.m.YUL - MDW
2 stops15h 29mWestJet
Deal found 27/3C$ 595

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 28 March 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

MDW - YUL

MDWYUL

Chicago Midway

Fri 18/4

11:15 a.m.-4:47 p.m.

1 stop4h 32m

Montreal Pierre Elliott Trudeau Intl

Mon 21/4

6:50 a.m.-10:20 a.m.

1 stop4h 30m

C$ 333

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Tue 6/5

6:05 p.m.-9:29 p.m.

Nonstop2h 24m

Montreal Pierre Elliott Trudeau Intl

Tue 27/5

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

1 stop6h 53m

C$ 346

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Wed 14/5

1:55 p.m.-11:19 p.m.

1 stop8h 24m

Montreal Pierre Elliott Trudeau Intl

Wed 21/5

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

1 stop4h 44m

C$ 427

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Mon 12/5

5:20 p.m.-12:37 a.m.

2 stops30h 17m

Montreal Pierre Elliott Trudeau Intl

Mon 19/5

1:00 p.m.-6:54 p.m.

1 stop6h 54m

C$ 433

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 19/4

8:25 a.m.-11:44 a.m.

Nonstop2h 19m

Montreal Pierre Elliott Trudeau Intl

Mon 21/4

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

Nonstop2h 35m

C$ 439

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 19/4

1:25 p.m.-11:28 p.m.

1 stop9h 03m

Montreal Pierre Elliott Trudeau Intl

Mon 21/4

6:00 p.m.-11:59 p.m.

1 stop6h 59m

C$ 445

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Fri 30/5

6:00 p.m.-7:48 a.m.

1 stop12h 48m

Montreal Pierre Elliott Trudeau Intl

Mon 2/6

6:40 p.m.-8:20 p.m.

Nonstop2h 40m

C$ 449

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Sun 11/5

6:25 p.m.-11:16 p.m.

1 stop3h 51m

Montreal Pierre Elliott Trudeau Intl

Sun 18/5

6:00 a.m.-8:40 a.m.

1 stop3h 40m

C$ 470

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Mon 7/7

7:00 a.m.-11:09 p.m.

1 stop15h 09m

Montreal Pierre Elliott Trudeau Intl

Fri 11/7

6:00 a.m.-6:40 p.m.

1 stop13h 40m

C$ 570

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Sat 10/5

9:20 a.m.-11:19 p.m.

1 stop12h 59m

Montreal Pierre Elliott Trudeau Intl

Sat 17/5

6:45 a.m.-9:14 p.m.

2 stops15h 29m

C$ 595

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/3

Showing 1-10 of 23 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 21 March 2025.

Booking 81 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 April 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 28 March 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.

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 28 March 2025.
See what other customers who have flown with Japan Airlines, Delta and Porter Airlines 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.
Japan Airlines
8.3
Very good
1,440 reviews
Check prices

Entertainment

7.8

Overall

8.3

Comfort

8.2

Food

7.7

Boarding

8.4

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2024

HKG - NRT

Online check in and seat selection was tricky. Also I received some emails from Japan Airlines in Japanese with no English selection which worried me. I still don’t know what they said. The service at check in and onboard was very courteous and polite, and staff was helpful.
Japan Airlines
8.3
Very good
1,440 reviews
Japan Airlines
8.3
Very good
1,440 reviews
Check prices

Entertainment

7.8

Overall

8.3

Comfort

8.2

Food

7.7

Boarding

8.4

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2024

HKG - NRT

Online check in and seat selection was tricky. Also I received some emails from Japan Airlines in Japanese with no English selection which worried me. I still don’t know what they said. The service at check in and onboard was very courteous and polite, and staff was helpful.
Delta
8.0
Very good
7,897 reviews
Japan Airlines
8.3
Very good
1,440 reviews
Check prices

Entertainment

7.8

Overall

8.3

Comfort

8.2

Food

7.7

Boarding

8.4

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2024

HKG - NRT

Online check in and seat selection was tricky. Also I received some emails from Japan Airlines in Japanese with no English selection which worried me. I still don’t know what they said. The service at check in and onboard was very courteous and polite, and staff was helpful.
Porter Airlines
7.9
Good
277 reviews
Japan Airlines
8.3
Very good
1,440 reviews
Check prices

Entertainment

7.8

Overall

8.3

Comfort

8.2

Food

7.7

Boarding

8.4

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2024

HKG - NRT

Online check in and seat selection was tricky. Also I received some emails from Japan Airlines in Japanese with no English selection which worried me. I still don’t know what they said. The service at check in and onboard was very courteous and polite, and staff was helpful.
Air Transat
7.8
Good
381 reviews
Japan Airlines
8.3
Very good
1,440 reviews
Check prices

Entertainment

7.8

Overall

8.3

Comfort

8.2

Food

7.7

Boarding

8.4

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2024

HKG - NRT

Online check in and seat selection was tricky. Also I received some emails from Japan Airlines in Japanese with no English selection which worried me. I still don’t know what they said. The service at check in and onboard was very courteous and polite, and staff was helpful.
United Airlines
7.4
Good
8,603 reviews
Japan Airlines
8.3
Very good
1,440 reviews
Check prices

Entertainment

7.8

Overall

8.3

Comfort

8.2

Food

7.7

Boarding

8.4

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2024

HKG - NRT

Online check in and seat selection was tricky. Also I received some emails from Japan Airlines in Japanese with no English selection which worried me. I still don’t know what they said. The service at check in and onboard was very courteous and polite, and staff was helpful.

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$ 333. Other airlines that can offer you cheap pricing are Air Canada, from C$ 346, and American Airlines, from C$ 439. These flights start at 41% 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$ 173), Porter Airlines (C$ 179), and Delta (C$ 182).

  • 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: Emirates (92%), Avianca (91%), ANA (84%).

  • 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$ 165. While the most popular route (Chicago O'Hare Intl - Montreal Pierre Elliott Trudeau Intl) can be booked for C$ 369 on average our data indicates C$ 382 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 April 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.
O'Hare Intl to Pierre Elliott Trudeau Intl flights
Midway to Pierre Elliott Trudeau Intl flights
St. Louis to Pierre Elliott Trudeau Intl flights

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 28 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 316AverageC$ 641FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Porter AirlinesCheapestC$ 376AverageC$ 413FlexibilityNo 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.

Can Cheapflights notify me if prices for flights from Chicago to Pierre Elliott Trudeau Intl become cheaper?

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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