What is the cheapest day to fly from Chicago to Montreal Pierre Elliott Trudeau Intl Airport?

Travelers seeking maximum savings on their Chicago to Montreal Pierre Elliott Trudeau Intl Airport flight should consider departing on Wednesday at noon when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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: Alaska Airlines (85%), Jazz (74%), American Airlines (72%).

What is the cheapest day to fly round-trip from Chicago to Montreal Pierre Elliott Trudeau Intl Airport?

Flying to your destination on a Monday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Montreal Pierre Elliott Trudeau Intl Airport. Check prices with Cheapflights to find a great deal for your trip.

What is the cheapest month to fly from Chicago to Montreal Pierre Elliott Trudeau Intl Airport?

Flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport lean towards being more expensive in December. Prices are generally better when you fly from Chicago to Montreal Pierre Elliott Trudeau Intl Airport in March, with the cheapest ticket starting at C$ 190.

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.

C$ 151+ Flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport

The best prices from Chicago to Montreal Pierre Elliott Trudeau Intl are usually found in January or September, booked 89 days in advance, depart on a Thursday or Monday and return on a Wednesday

Cheap flight deals from Chicago to Pierre Elliott Trudeau Intl

Round-trip from	C$ 355
One-way from	C$ 151
Popular in	February
Cheapest in	January
Average price	C$ 440
Good round-trip deal	C$ 689 or less
Good one-way deal	C$ 418 or less

Porter Airlines
28/2-2/3
2 total stops
9h 50m total
Chicago to Montreal

Search Deals

4/2
2 total stops
29h 55m total
Chicago to Montreal

Search Deals

High demand for flights, 1% potential price rise

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 17 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in January 2025

Search Deals

Price to beat on a round-trip flight from Chicago (CHI) to Montreal Pierre Elliott Trudeau Intl.

Search Deals

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 21 January 2025.

Fri 28/21:05 p.m.MDW - YUL

1 stop5h 20mPorter Airlines

Sun 2/36:50 a.m.YUL - MDW

1 stop4h 30mPorter Airlines

Deal found 20/1C$ 355

Tue 25/27:10 a.m.ORD - YUL

1 stop9h 25mMultiple Airlines

Tue 11/36:35 p.m.YUL - ORD

1 stop15h 54mMultiple Airlines

Deal found 20/1C$ 371

Thu 27/24:00 p.m.ORD - YUL

1 stop6h 48mAir Canada

Mon 3/36:20 p.m.YUL - ORD

Nonstop2h 35mAir Canada

Deal found 21/1C$ 439

Thu 27/21:05 p.m.MDW - YUL

1 stop10h 34mMultiple Airlines

Sun 2/36:50 a.m.YUL - MDW

1 stop4h 30mMultiple Airlines

Deal found 21/1C$ 461

Wed 26/27:15 p.m.ORD - YUL

1 stop13h 50mAmerican Airlines

Thu 27/212:55 p.m.YUL - ORD

1 stop10h 49mAmerican Airlines

Deal found 20/1C$ 521

Thu 27/28:35 a.m.ORD - YUL

1 stop6h 44mDelta

Sun 9/37:05 a.m.YUL - ORD

1 stop6h 36mDelta

Deal found 21/1C$ 544

Tue 11/29:33 a.m.MDW - YUL

1 stop5h 24mDelta

Tue 18/26:00 a.m.YUL - MDW

1 stop7h 42mDelta

Deal found 20/1C$ 573

Fri 5/92:00 p.m.MDW - YUL

1 stop8h 18mWestJet

Tue 9/912:45 p.m.YUL - MDW

1 stop6h 18mWestJet

Deal found 21/1C$ 583

Wed 27/810:35 a.m.ORD - YUL

1 stop4h 27mWestJet

Sun 31/812:45 p.m.YUL - ORD

1 stop6h 55mWestJet

Deal found 20/1C$ 586

Thu 27/212:59 p.m.ORD - YUL

2 stops18h 01mFrontier

Mon 3/36:30 p.m.YUL - ORD

1 stop5h 59mFrontier

Deal found 21/1C$ 619

Best flights from Chicago to Pierre Elliott Trudeau Intl
Discover carefully curated flight deals from Chicago to Pierre Elliott Trudeau Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 21 January 2025.

Fri 28/21:05 p.m.MDW - YUL

1 stop5h 20mPorter Airlines

Sun 2/36:50 a.m.YUL - MDW

1 stop4h 30mPorter Airlines

Deal found 20/1C$ 355

Tue 25/27:10 a.m.ORD - YUL

1 stop9h 25mMultiple Airlines

Tue 11/36:35 p.m.YUL - ORD

1 stop15h 54mMultiple Airlines

Deal found 20/1C$ 371

Thu 27/24:00 p.m.ORD - YUL

1 stop6h 48mAir Canada

Mon 3/36:20 p.m.YUL - ORD

Nonstop2h 35mAir Canada

Deal found 21/1C$ 439

Wed 23/46:30 p.m.ORD - YUL

1 stop14h 20mAmerican Airlines

Sat 26/412:30 p.m.YUL - ORD

Nonstop2h 35mAmerican Airlines

Deal found 20/1C$ 522

Wed 12/310:25 a.m.ORD - YUL

1 stop4h 35mDelta

Sat 15/312:48 p.m.YUL - ORD

1 stop4h 27mDelta

Deal found 20/1C$ 537

Thu 17/410:35 a.m.ORD - YUL

1 stop4h 27mWestJet

Sun 20/44:55 p.m.YUL - ORD

1 stop4h 39mWestJet

Deal found 21/1C$ 649

Thu 27/21:05 p.m.MDW - YUL

1 stop10h 34mMultiple Airlines

Sun 2/36:50 a.m.YUL - MDW

1 stop4h 30mMultiple Airlines

Deal found 21/1C$ 461

Tue 11/29:33 a.m.MDW - YUL

1 stop5h 24mDelta

Tue 18/26:00 a.m.YUL - MDW

1 stop7h 42mDelta

Deal found 20/1C$ 573

Tue 11/312:51 p.m.MDW - YUL

2 stops25h 45mWestJet

Thu 13/36:05 a.m.YUL - MDW

1 stop13h 13mWestJet

Deal found 20/1C$ 676

Direct flights from Chicago to Pierre Elliott Trudeau Intl
Explore direct flight options from Chicago to Pierre Elliott Trudeau Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 January 2025.

Thu 27/27:20 a.m.ORD - YUL

Nonstop2h 12mAir Canada

Mon 3/36:20 p.m.YUL - ORD

Nonstop2h 35mAir Canada

Deal found 21/1C$ 440

Fri 25/48:25 a.m.ORD - YUL

Nonstop2h 15mAmerican Airlines

Mon 28/412:30 p.m.YUL - ORD

Nonstop2h 35mAmerican Airlines

Deal found 20/1C$ 547

Mon 17/22:00 p.m.ORD - YUL

Nonstop2h 19mMultiple Airlines

Thu 20/26:00 a.m.YUL - ORD

Nonstop2h 57mMultiple Airlines

Deal found 19/1C$ 593

Thu 20/27:20 a.m.ORD - YUL

Nonstop2h 12mUnited Airlines

Sun 23/26:00 a.m.YUL - ORD

Nonstop2h 57mUnited Airlines

Deal found 20/1C$ 688

Fri 7/33:35 p.m.ORD - YUL

Nonstop2h 12mLufthansa

Fri 14/39:15 a.m.YUL - ORD

Nonstop2h 39mLufthansa

Deal found 21/1C$ 943

Last-minute flights from Chicago to Pierre Elliott Trudeau Intl
Discover last-minute flight deals from Chicago to Pierre Elliott Trudeau Intl. Data last updated 21 January 2025 and is based on user searches.

Tue 28/15:59 p.m.ORD - YUL

Nonstop2h 18mAir Canada

Tue 4/26:00 a.m.YUL - ORD

Nonstop3h 05mAir Canada

Deal found 21/1C$ 705

Tue 28/16:00 a.m.MDW - YUL

1 stop6h 45mDelta

Tue 4/27:00 a.m.YUL - MDW

1 stop5h 59mDelta

Deal found 21/1C$ 741

Tue 28/11:26 p.m.MDW - YUL

1 stop9h 10mWestJet

Tue 4/26:00 a.m.YUL - MDW

1 stop12h 43mWestJet

Deal found 21/1C$ 990

Wed 29/15:11 a.m.ORD - YUL

1 stop11h 24mMultiple Airlines

Mon 3/22:35 p.m.YUL - ORD

2 stops23h 22mMultiple Airlines

Deal found 20/1C$ 452

Wed 29/110:10 a.m.ORD - YUL

1 stop9h 56mDelta

Mon 3/26:00 a.m.YUL - ORD

1 stop8h 44mDelta

Deal found 20/1C$ 751

Wed 29/18:05 a.m.ORD - YUL

2 stops7h 45mAmerican Airlines

Mon 3/210:54 a.m.YUL - ORD

1 stop11h 59mAmerican Airlines

Deal found 20/1C$ 823

Thu 30/14:08 p.m.MDW - YUL

2 stops21h 02mMultiple Airlines

Mon 3/28:55 a.m.YUL - MDW

1 stop4h 15mMultiple Airlines

Deal found 20/1C$ 725

Fri 31/11:05 p.m.MDW - YUL

1 stop3h 55mPorter Airlines

Mon 3/28:55 a.m.YUL - MDW

1 stop4h 15mPorter Airlines

Deal found 20/1C$ 550

Fri 31/16:30 p.m.ORD - YUL

2 stops14h 50mUnited Airlines

Sun 2/28:00 p.m.YUL - ORD

2 stops14h 44mUnited Airlines

Deal found 19/1C$ 914

Tue 11/26:28 p.m.MDW - YUL

1 stop3h 54mDelta

Wed 19/27:05 a.m.YUL - MDW

1 stop7h 00mDelta

Deal found 20/1C$ 573

Tue 11/24:15 p.m.ORD - YUL

1 stop6h 25mWestJet

Mon 17/26:00 a.m.YUL - ORD

1 stop16h 58mWestJet

Deal found 20/1C$ 653

Tue 25/27:10 a.m.ORD - YUL

1 stop9h 25mMultiple Airlines

Tue 11/36:35 p.m.YUL - ORD

1 stop15h 54mMultiple Airlines

Deal found 20/1C$ 371

One-way flights from Chicago to Pierre Elliott Trudeau Intl
Search for one-way flight options from Chicago to Pierre Elliott Trudeau Intl. Find affordable one-way fares based on user searches. Data last updated 21 January 2025.

Tue 4/28:00 a.m.ORD - YUL

2 stops29h 55mMultiple Airlines

Deal found 19/1C$ 151

Tue 11/311:15 a.m.MDW - YUL

1 stop4h 30mPorter Airlines

Deal found 20/1C$ 160

Thu 20/27:20 a.m.ORD - YUL

Nonstop2h 12mAir Canada

Deal found 20/1C$ 217

Fri 4/41:26 p.m.ORD - YUL

1 stop9h 02mDelta

Deal found 20/1C$ 227

Wed 5/29:33 a.m.MDW - YUL

1 stop5h 24mDelta

Deal found 21/1C$ 259

Fri 18/46:40 a.m.ORD - YUL

1 stop15h 44mWestJet

Deal found 20/1C$ 286

Fri 18/46:05 p.m.ORD - YUL

Nonstop2h 24mUnited Airlines

Deal found 20/1C$ 301

Mon 10/38:44 p.m.MDW - YUL

2 stops21h 16mMultiple Airlines

Deal found 21/1C$ 334

Sun 2/27:13 p.m.ORD - YUL

1 stop13h 57mAmerican Airlines

Deal found 20/1C$ 366

Sat 19/76:45 p.m.MDW - YUL

1 stop27h 33mWestJet

Deal found 20/1C$ 386

Find flights from Chicago to Pierre Elliott Trudeau Intl within your budget

Fly from

Fly to

Route

Depart

Return

Price

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Fri 28/2

1:05 p.m.-7:25 p.m.

1 stop5h 20m

Montreal Pierre Elliott Trudeau Intl

Sun 2/3

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

1 stop4h 30m

C$ 355

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Tue 25/2

7:10 a.m.-5:35 p.m.

1 stop9h 25m

Montreal Pierre Elliott Trudeau Intl

Tue 11/3

6:35 p.m.-9:29 a.m.

1 stop15h 54m

C$ 371

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 27/2

4:00 p.m.-11:48 p.m.

1 stop6h 48m

Montreal Pierre Elliott Trudeau Intl

Mon 3/3

6:20 p.m.-7:55 p.m.

Nonstop2h 35m

C$ 439

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Thu 27/2

1:05 p.m.-12:39 a.m.

1 stop10h 34m

Montreal Pierre Elliott Trudeau Intl

Sun 2/3

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

1 stop4h 30m

C$ 461

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Wed 23/4

6:30 p.m.-9:50 a.m.

1 stop14h 20m

Montreal Pierre Elliott Trudeau Intl

Sat 26/4

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

Nonstop2h 35m

C$ 522

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Wed 12/3

10:25 a.m.-4:00 p.m.

1 stop4h 35m

Montreal Pierre Elliott Trudeau Intl

Sat 15/3

12:48 p.m.-4:15 p.m.

1 stop4h 27m

C$ 537

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Tue 11/2

6:28 p.m.-11:22 p.m.

1 stop3h 54m

Montreal Pierre Elliott Trudeau Intl

Wed 19/2

7:05 a.m.-1:05 p.m.

1 stop7h 00m

C$ 573

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 17/4

10:35 a.m.-4:02 p.m.

1 stop4h 27m

Montreal Pierre Elliott Trudeau Intl

Mon 21/4

12:45 p.m.-8:34 p.m.

1 stop8h 49m

C$ 592

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Tue 11/3

12:51 p.m.-3:36 p.m.

2 stops25h 45m

Montreal Pierre Elliott Trudeau Intl

Thu 13/3

6:05 a.m.-6:18 p.m.

1 stop13h 13m

C$ 676

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Tue 4/2

8:00 a.m.-2:55 p.m.

2 stops29h 55m

C$ 151

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/1

Showing 1-10 of 19 results

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.

Travel insights for flights from Chicago to Pierre Elliott Trudeau Intl

Get recent, data-driven insights about flights from Chicago to Pierre Elliott Trudeau Intl including ideal travel times, pricing trends, and more.

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

Booking 66 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 March is currently the most expensive (average of C$ 345). 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?

Unlike in the morning, when flights are generally more expensive, you can save up to 15% 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

The most flights from CHI to YUL are scheduled on a Monday (17 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (14 on average).

Rainfall in Pierre Elliott Trudeau Intl 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

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

See what other customers who have flown with Air Canada, WestJet and Delta 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.

Delta

8.0

Very good

8,521 reviews

Check prices

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

8,521 reviews

Delta

8.0

Very good

8,521 reviews

Check prices

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Porter Airlines

7.9

Good

277 reviews

Delta

8.0

Very good

8,521 reviews

Check prices

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,984 reviews

Delta

8.0

Very good

8,521 reviews

Check prices

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

8,521 reviews

Check prices

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

WestJet

7.2

Good

2,829 reviews

Delta

8.0

Very good

8,521 reviews

Check prices

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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$ 355. Other airlines that can offer you cheap pricing are Air Canada, from C$ 439, and American Airlines, from C$ 522. These flights start at 35% 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 Porter Airlines (C$ 160), Air Canada (C$ 217), and Delta (C$ 227).
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: Alaska Airlines (85%), Jazz (74%), American Airlines (72%).
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$ 300. While the most popular route (Chicago O'Hare Intl - Montreal Pierre Elliott Trudeau Intl) can be booked for C$ 384 on average our data indicates C$ 1,024 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 March is currently the most expensive (average of C$ 345). 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

Laval

Dorval

Brossard

Trois-Rivières

Cornwall

Longueuil

Montebello

Saint-Jean-sur-Richelieu

Sherbrooke

Bromont

Saint-Sauveur

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Chicago to Pierre Elliott Trudeau Intl

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 213	AverageC$ 678	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

Fly with Cheapflights

How does Cheapflights help users find flights from Chicago to Pierre Elliott Trudeau Intl?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Chicago to Pierre Elliott Trudeau Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Chicago to Pierre Elliott Trudeau Intl?

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Cheap flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport from C$ 151

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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.

The best prices from Chicago to Montreal Pierre Elliott Trudeau Intl are usually found in January or September, booked 89 days in advance, depart on a Thursday or Monday and return on a Wednesday

Cheap flight deals from Chicago to Pierre Elliott Trudeau Intl

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Chicago to Pierre Elliott Trudeau Intl

Cheapest flights from Chicago to Pierre Elliott Trudeau IntlExplore 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 21 January 2025.

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 21 January 2025.

Find flights from Chicago to Pierre Elliott Trudeau Intl within your budget

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.

Travel insights for flights from Chicago to Pierre Elliott Trudeau Intl

Get recent, data-driven insights about flights from Chicago to Pierre Elliott Trudeau Intl including ideal travel times, pricing trends, and more.

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 17 January 2025.

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

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 21 January 2025.

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

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.

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.

Reviews of airlines servicing Pierre Elliott Trudeau Intl

See what other customers who have flown with Air Canada, WestJet and Delta 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.

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?

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

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

What are the cheapest flights 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?

How can I 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?

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

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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 airline flying from Chicago to Pierre Elliott Trudeau Intl

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How does Cheapflights help users find flights from Chicago to Pierre Elliott Trudeau Intl?

Why should you use Cheapflights to find cheap flight tickets from Chicago to Pierre Elliott Trudeau Intl?

Can Cheapflights 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?

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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 21 January 2025.