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. Saturday 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: Avianca (91%), Copa Airlines (88%), Air New Zealand (88%).

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 October, with the cheapest ticket starting at C$ 177.

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$ 169+ Flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport

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

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
11/6-15/6
2 total stops
14h 24m total
Chicago to Montreal

Search Deals

Air Canada
6/5
Nonstop
2h 31m total
Chicago to Montreal

Search Deals

Highest demand for flights based on searches. 3% potential increase in price (C$ 27 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 14 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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.

Search Deals

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

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 24 April 2025.

Wed 11/69:40 a.m.MDW - YUL

1 stop7h 15mPorter Airlines

Sun 15/610:45 a.m.YUL - MDW

1 stop7h 09mPorter Airlines

Deal found 22/4C$ 330

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

Thu 3/79:40 a.m.MDW - YUL

1 stop6h 40mMultiple Airlines

Fri 4/71:10 p.m.YUL - MDW

1 stop4h 14mMultiple Airlines

Deal found 23/4C$ 356

Sat 7/61:55 p.m.MDW - YUL

1 stop8h 24mDelta

Sat 14/66:20 a.m.YUL - MDW

1 stop7h 46mDelta

Deal found 22/4C$ 371

Fri 9/58:24 a.m.ORD - YUL

Nonstop2h 20mAmerican Airlines

Wed 28/512:30 p.m.YUL - ORD

Nonstop2h 35mAmerican Airlines

Deal found 23/4C$ 374

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

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

Sat 7/69:20 a.m.MDW - YUL

1 stop12h 59mWestJet

Sat 14/66:45 a.m.YUL - MDW

2 stops27h 56mWestJet

Deal found 23/4C$ 564

Thu 25/96:00 a.m.ORD - YUL

1 stop10h 04mDelta

Sun 28/96:00 a.m.YUL - ORD

1 stop4h 25mDelta

Deal found 23/4C$ 381

Sat 21/67:00 a.m.ORD - YUL

1 stop10h 25mMultiple Airlines

Sat 21/69:50 p.m.YUL - ORD

1 stop12h 19mMultiple Airlines

Deal found 23/4C$ 397

Sat 7/66:24 a.m.ORD - YUL

1 stop15h 55mWestJet

Sat 14/66:45 a.m.YUL - ORD

2 stops18h 14mWestJet

Deal found 23/4C$ 564

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 24 April 2025.

Mon 14/710:40 a.m.ORD - YUL

Nonstop2h 18mAir Canada

Sat 19/76:15 a.m.YUL - ORD

Nonstop2h 44mAir Canada

Deal found 23/4C$ 360

Fri 9/58:24 a.m.ORD - YUL

Nonstop2h 20mAmerican Airlines

Wed 28/512:30 p.m.YUL - ORD

Nonstop2h 35mAmerican Airlines

Deal found 23/4C$ 374

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

Mon 16/67:19 a.m.ORD - YUL

Nonstop2h 21mUnited Airlines

Wed 18/66:15 a.m.YUL - ORD

Nonstop2h 44mUnited Airlines

Deal found 23/4C$ 649

Sun 7/98:15 a.m.ORD - YUL

Nonstop2h 20mJapan Airlines

Sun 14/912:30 p.m.YUL - ORD

Nonstop2h 35mJapan Airlines

Deal found 23/4C$ 817

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 24 April 2025 and is based on user searches.

Tue 29/46:15 p.m.ORD - YUL

1 stop20h 45mWestJet

Thu 1/512:50 p.m.YUL - ORD

1 stop4h 18mWestJet

Deal found 23/4C$ 778

Wed 30/411:15 a.m.MDW - YUL

1 stop5h 47mPorter Airlines

Fri 2/51:10 p.m.YUL - MDW

1 stop4h 44mPorter Airlines

Deal found 23/4C$ 449

Wed 30/47:00 a.m.ORD - YUL

Nonstop2h 28mAir Canada

Fri 2/54:31 p.m.YUL - ORD

Nonstop2h 51mAir Canada

Deal found 23/4C$ 515

Wed 30/48:30 p.m.ORD - YUL

1 stop12h 20mAmerican Airlines

Fri 2/512:30 p.m.YUL - ORD

Nonstop2h 35mAmerican Airlines

Deal found 23/4C$ 529

Wed 30/41:25 p.m.ORD - YUL

1 stop9h 03mDelta

Fri 2/56:10 a.m.YUL - ORD

1 stop10h 19mDelta

Deal found 22/4C$ 550

Fri 2/59:40 a.m.MDW - YUL

1 stop6h 40mMultiple Airlines

Sun 4/510:45 a.m.YUL - MDW

1 stop7h 09mMultiple Airlines

Deal found 23/4C$ 537

Fri 2/56:04 a.m.MDW - YUL

1 stop9h 48mDelta

Mon 5/512:38 p.m.YUL - MDW

1 stop10h 44mDelta

Deal found 24/4C$ 551

Fri 2/55:36 a.m.ORD - YUL

3 stops15h 39mMultiple Airlines

Sun 4/57:00 a.m.YUL - ORD

3 stops18h 58mMultiple Airlines

Deal found 23/4C$ 728

Fri 2/512:48 p.m.MDW - YUL

2 stops10h 49mWestJet

Mon 5/512:38 p.m.YUL - MDW

1 stop10h 44mWestJet

Deal found 23/4C$ 773

Sun 11/58:24 a.m.ORD - YUL

Nonstop2h 20mAmerican Airlines

Thu 15/512:30 p.m.YUL - ORD

Nonstop2h 35mAmerican Airlines

Deal found 24/4C$ 479

Tue 13/55:15 p.m.ORD - YUL

1 stop5h 01mDelta

Sat 17/57:00 a.m.YUL - ORD

1 stop6h 20mDelta

Deal found 24/4C$ 409

Wed 14/512:41 p.m.ORD - YUL

3 stops32h 34mMultiple Airlines

Sun 18/56:45 a.m.YUL - ORD

2 stops34h 40mMultiple Airlines

Deal found 22/4C$ 454

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 24 April 2025.

Tue 6/51:55 p.m.ORD - YUL

Nonstop2h 31mAir Canada

Deal found 22/4C$ 169

Sun 8/66:00 a.m.MDW - YUL

1 stop10h 39mDelta

Deal found 24/4C$ 173

Wed 21/51:45 p.m.ORD - YUL

1 stop8h 31mDelta

Deal found 21/4C$ 173

Mon 12/55:20 p.m.ORD - YUL

2 stops30h 17mMultiple Airlines

Deal found 21/4C$ 174

Thu 22/59:40 a.m.MDW - YUL

1 stop13h 57mMultiple Airlines

Deal found 23/4C$ 177

Tue 20/58:00 p.m.ORD - YUL

1 stop11h 35mUnited Airlines

Deal found 21/4C$ 188

Tue 13/58:24 a.m.ORD - YUL

Nonstop2h 20mAmerican Airlines

Deal found 21/4C$ 198

Fri 2/59:40 a.m.MDW - YUL

1 stop5h 20mPorter Airlines

Deal found 23/4C$ 201

Sun 11/59:40 a.m.MDW - YUL

1 stop6h 40mAir Transat

Deal found 23/4C$ 222

Tue 10/61:47 p.m.MDW - YUL

1 stop8h 31mWestJet

Deal found 23/4C$ 238

Fri 23/57:25 p.m.ORD - YUL

1 stop26h 51mWestJet

Deal found 21/4C$ 248

Cheapflights Fare Finder

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

Fly to

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

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?

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?

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

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

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 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.

Porter Airlines

8.0

Very good

284 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Anonymous,Apr 2025

MCO - YHZ

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

Porter Airlines

8.0

Very good

284 reviews

Porter Airlines

8.0

Very good

284 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Anonymous,Apr 2025

MCO - YHZ

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

Delta

8.0

Very good

7,920 reviews

Porter Airlines

8.0

Very good

284 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Anonymous,Apr 2025

MCO - YHZ

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

Air Transat

7.8

Good

385 reviews

Porter Airlines

8.0

Very good

284 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Anonymous,Apr 2025

MCO - YHZ

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

United Airlines

7.4

Good

8,685 reviews

Porter Airlines

8.0

Very good

284 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Anonymous,Apr 2025

MCO - YHZ

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

American Airlines

7.2

Good

10,000 reviews

Porter Airlines

8.0

Very good

284 reviews

Check prices

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

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

Laval

Brossard

Dorval

Longueuil

Cornwall

Drummondville

Sherbrooke

Saint-Jean-sur-Richelieu

Boucherville

Saint-Sauveur

Bromont

Montebello

Trois-Rivières

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Chicago to Pierre Elliott Trudeau Intl

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 245	AverageC$ 621	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Porter Airlines	CheapestC$ 364	AverageC$ 400	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines 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?

Cheapflights helps you find that perfect flight to Pierre Elliott Trudeau Intl from Chicago by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

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.

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

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 24 April 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 24 April 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

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.

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.

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 24 April 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 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.

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?

Travelling to a place near Chicago?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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?

100% Free

Book with Flexibility

Travel Smart

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.