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), American Airlines (C$ 180), and Porter Airlines (C$ 185).

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 (79%), ANA (75%), Copa Airlines (75%).

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$ 180.

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$ 111+ 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 September or November, booked 23 days in advance, depart on a Thursday or Monday and return on a Thursday

Cheap flight deals from Chicago to Pierre Elliott Trudeau Intl

Round-trip from	C$ 322
One-way from	C$ 111
Popular in	February
Cheapest in	September
Average price	C$ 680
Good round-trip deal	C$ 199 or less
Good one-way deal	C$ 168 or less

10/4-14/4
2 total stops
44h 52m total
Chicago to Montreal

Search Deals

1/4
2 total stops
19h 30m total
Chicago to Montreal

Search Deals

Highest demand for flights based on searches. 3% potential increase in price (C$ 33 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 16 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in February 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 20 February 2025.

Thu 10/47:49 p.m.ORD - YUL

1 stop18h 06mMultiple Airlines

Mon 14/43:55 p.m.YUL - ORD

1 stop26h 46mMultiple Airlines

Deal found 20/2C$ 322

Sat 5/412:55 p.m.MDW - YUL

1 stop4h 07mPorter Airlines

Mon 7/46:50 a.m.YUL - MDW

1 stop4h 30mPorter Airlines

Deal found 20/2C$ 365

Fri 11/47:20 a.m.ORD - YUL

Nonstop2h 16mAir Canada

Sun 13/46:15 a.m.YUL - ORD

Nonstop2h 47mAir Canada

Deal found 20/2C$ 402

Tue 1/46:30 a.m.ORD - YUL

1 stop7h 55mAmerican Airlines

Tue 1/45:40 p.m.YUL - ORD

1 stop15h 04mAmerican Airlines

Deal found 20/2C$ 405

Fri 9/53:35 p.m.ORD - YUL

Nonstop2h 16mUnited Airlines

Sun 11/56:15 a.m.YUL - ORD

Nonstop2h 47mUnited Airlines

Deal found 20/2C$ 433

Sat 24/55:59 p.m.MDW - YUL

1 stop4h 09mDelta

Mon 26/56:00 a.m.YUL - MDW

1 stop7h 30mDelta

Deal found 20/2C$ 469

Thu 3/45:45 a.m.ORD - YUL

1 stop10h 07mDelta

Mon 7/45:23 p.m.YUL - ORD

1 stop6h 20mDelta

Deal found 20/2C$ 469

Sun 6/411:15 a.m.MDW - YUL

1 stop4h 37mMultiple Airlines

Sat 12/46:05 a.m.YUL - MDW

1 stop5h 37mMultiple Airlines

Deal found 20/2C$ 483

Sat 14/610:35 a.m.ORD - YUL

1 stop4h 27mWestJet

Sun 22/66:00 a.m.YUL - ORD

1 stop4h 22mWestJet

Deal found 20/2C$ 578

Sat 25/102:00 p.m.MDW - YUL

1 stop8h 18mWestJet

Sat 1/1112:45 p.m.YUL - MDW

1 stop6h 18mWestJet

Deal found 19/2C$ 592

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 20 February 2025.

Thu 10/47:49 p.m.ORD - YUL

1 stop18h 06mMultiple Airlines

Mon 14/43:55 p.m.YUL - ORD

1 stop26h 46mMultiple Airlines

Deal found 20/2C$ 322

Fri 11/411:15 a.m.MDW - YUL

1 stop4h 32mPorter Airlines

Sun 13/46:50 a.m.YUL - MDW

1 stop4h 30mPorter Airlines

Deal found 20/2C$ 359

Fri 11/47:20 a.m.ORD - YUL

Nonstop2h 16mAir Canada

Sun 13/46:15 a.m.YUL - ORD

Nonstop2h 47mAir Canada

Deal found 20/2C$ 402

Tue 1/46:30 a.m.ORD - YUL

1 stop7h 55mAmerican Airlines

Tue 1/45:40 p.m.YUL - ORD

1 stop15h 04mAmerican Airlines

Deal found 20/2C$ 405

Fri 9/53:35 p.m.ORD - YUL

Nonstop2h 16mUnited Airlines

Sun 11/56:15 a.m.YUL - ORD

Nonstop2h 47mUnited Airlines

Deal found 20/2C$ 433

Wed 23/49:20 a.m.MDW - YUL

1 stop5h 40mDelta

Wed 7/512:45 p.m.YUL - MDW

1 stop6h 45mDelta

Deal found 20/2C$ 469

Sat 14/610:35 a.m.ORD - YUL

1 stop4h 27mWestJet

Sun 22/66:00 a.m.YUL - ORD

1 stop4h 22mWestJet

Deal found 20/2C$ 578

Thu 3/45:45 a.m.ORD - YUL

1 stop10h 07mDelta

Mon 7/45:23 p.m.YUL - ORD

1 stop6h 20mDelta

Deal found 20/2C$ 469

Sun 6/411:15 a.m.MDW - YUL

1 stop4h 37mMultiple Airlines

Sat 12/46:05 a.m.YUL - MDW

1 stop5h 37mMultiple Airlines

Deal found 20/2C$ 483

Thu 3/72:00 p.m.MDW - YUL

1 stop8h 18mWestJet

Thu 10/77:30 a.m.YUL - MDW

1 stop6h 32mWestJet

Deal found 20/2C$ 618

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 20 February 2025.

Fri 11/47:20 a.m.ORD - YUL

Nonstop2h 16mAir Canada

Sun 13/46:15 a.m.YUL - ORD

Nonstop2h 47mAir Canada

Deal found 20/2C$ 402

Fri 9/53:35 p.m.ORD - YUL

Nonstop2h 16mUnited Airlines

Sun 11/56:15 a.m.YUL - ORD

Nonstop2h 47mUnited Airlines

Deal found 20/2C$ 433

Sun 20/48:25 a.m.ORD - YUL

Nonstop2h 19mAmerican Airlines

Fri 25/412:30 p.m.YUL - ORD

Nonstop2h 35mAmerican Airlines

Deal found 20/2C$ 463

Sat 5/46:05 p.m.ORD - YUL

Nonstop2h 24mLufthansa

Mon 7/41:10 p.m.YUL - ORD

Nonstop2h 40mLufthansa

Deal found 20/2C$ 527

Tue 1/41:55 p.m.ORD - YUL

Nonstop2h 31mMultiple Airlines

Sat 5/46:15 a.m.YUL - ORD

Nonstop2h 47mMultiple Airlines

Deal found 20/2C$ 553

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 20 February 2025 and is based on user searches.

Wed 26/26:30 a.m.ORD - YUL

1 stop7h 50mAmerican Airlines

Tue 4/310:59 a.m.YUL - ORD

1 stop11h 21mAmerican Airlines

Deal found 20/2C$ 922

Thu 27/210:30 a.m.ORD - YUL

1 stop4h 27mWestJet

Sun 2/37:05 a.m.YUL - ORD

1 stop6h 50mWestJet

Deal found 20/2C$ 781

Thu 27/27:25 p.m.MDW - YUL

2 stops19h 32mMultiple Airlines

Sun 2/311:45 a.m.YUL - MDW

1 stop5h 55mMultiple Airlines

Deal found 19/2C$ 803

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

Nonstop2h 12mAir Canada

Sun 2/36:30 p.m.YUL - ORD

1 stop5h 59mAir Canada

Deal found 20/2C$ 858

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

1 stop3h 55mPorter Airlines

Sun 2/311:45 a.m.YUL - MDW

1 stop5h 55mPorter Airlines

Deal found 19/2C$ 641

Wed 5/312:44 p.m.MDW - YUL

2 stops25h 52mWestJet

Wed 12/37:00 a.m.YUL - MDW

1 stop27h 09mWestJet

Deal found 19/2C$ 720

Mon 10/39:05 p.m.ORD - YUL

1 stop9h 40mUnited Airlines

Wed 12/36:20 p.m.YUL - ORD

Nonstop2h 35mUnited Airlines

Deal found 19/2C$ 547

Tue 11/36:00 a.m.MDW - YUL

1 stop9h 55mDelta

Sat 15/36:05 a.m.YUL - MDW

1 stop5h 42mDelta

Deal found 20/2C$ 570

Thu 20/311:15 a.m.MDW - YUL

1 stop4h 30mPorter Airlines

Thu 27/36:50 a.m.YUL - MDW

1 stop4h 30mPorter Airlines

Deal found 19/2C$ 385

Thu 20/39:40 a.m.ORD - YUL

1 stop12h 59mWestJet

Sun 30/37:05 a.m.YUL - ORD

1 stop14h 39mWestJet

Deal found 20/2C$ 609

Fri 21/31:26 p.m.ORD - YUL

1 stop9h 00mDelta

Fri 28/312:48 p.m.YUL - ORD

1 stop8h 56mDelta

Deal found 20/2C$ 501

Mon 24/38:33 p.m.ORD - YUL

2 stops17h 22mMultiple Airlines

Mon 31/33:55 p.m.YUL - ORD

2 stops17h 49mMultiple Airlines

Deal found 20/2C$ 403

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 20 February 2025.

Tue 1/46:25 p.m.ORD - YUL

2 stops19h 30mMultiple Airlines

Deal found 20/2C$ 111

Sun 6/41:00 p.m.ORD - YUL

1 stop4h 21mAir Canada

Deal found 20/2C$ 173

Thu 8/58:24 a.m.ORD - YUL

Nonstop2h 20mAmerican Airlines

Deal found 20/2C$ 180

Tue 1/411:15 a.m.MDW - YUL

1 stop4h 32mPorter Airlines

Deal found 20/2C$ 185

Sat 10/55:59 p.m.MDW - YUL

1 stop4h 09mDelta

Deal found 20/2C$ 193

Sat 22/35:00 p.m.ORD - YUL

1 stop5h 26mDelta

Deal found 20/2C$ 229

Tue 4/38:30 a.m.MDW - YUL

2 stops15h 09mMultiple Airlines

Deal found 20/2C$ 243

Sat 5/49:52 a.m.MDW - YUL

1 stop13h 07mWestJet

Deal found 20/2C$ 295

Sun 9/39:07 p.m.ORD - YUL

1 stop9h 38mUnited Airlines

Deal found 20/2C$ 395

Fri 4/41:59 a.m.ORD - YUL

1 stop28h 31mAeromexico

Deal found 20/2C$ 567

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

Fly from

Fly to

Route

Depart

Return

Price

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 10/4

7:49 p.m.-2:55 p.m.

1 stop18h 06m

Montreal Pierre Elliott Trudeau Intl

Mon 14/4

3:55 p.m.-5:41 p.m.

1 stop26h 46m

C$ 322

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Thu 3/4

5:35 p.m.-10:47 p.m.

1 stop4h 12m

Montreal Pierre Elliott Trudeau Intl

Sun 6/4

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

1 stop4h 30m

C$ 382

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Fri 11/4

7:20 a.m.-10:36 a.m.

Nonstop2h 16m

Montreal Pierre Elliott Trudeau Intl

Sun 13/4

6:15 a.m.-8:02 a.m.

Nonstop2h 47m

C$ 402

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Tue 1/4

6:30 a.m.-3:25 p.m.

1 stop7h 55m

Montreal Pierre Elliott Trudeau Intl

Tue 1/4

5:40 p.m.-7:44 a.m.

1 stop15h 04m

C$ 405

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Fri 9/5

3:35 p.m.-6:51 p.m.

Nonstop2h 16m

Montreal Pierre Elliott Trudeau Intl

Sun 11/5

6:15 a.m.-8:02 a.m.

Nonstop2h 47m

C$ 433

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Wed 23/4

9:20 a.m.-4:00 p.m.

1 stop5h 40m

Montreal Pierre Elliott Trudeau Intl

Wed 7/5

12:45 p.m.-6:30 p.m.

1 stop6h 45m

C$ 469

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Thu 3/4

5:45 a.m.-4:52 p.m.

1 stop10h 07m

Montreal Pierre Elliott Trudeau Intl

Mon 7/4

5:23 p.m.-10:43 p.m.

1 stop6h 20m

C$ 469

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Fri 28/3

1:16 p.m.-11:39 p.m.

1 stop9h 23m

Montreal Pierre Elliott Trudeau Intl

Fri 4/4

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

1 stop4h 30m

C$ 494

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Sat 14/6

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

1 stop4h 27m

Montreal Pierre Elliott Trudeau Intl

Sun 22/6

6:00 a.m.-9:22 a.m.

1 stop4h 22m

C$ 578

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Tue 1/4

12:51 p.m.-12:39 a.m.

2 stops10h 48m

Montreal Pierre Elliott Trudeau Intl

Sat 5/4

6:05 a.m.-6:33 p.m.

1 stop13h 28m

C$ 625

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/2

Showing 1-10 of 21 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 23 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 afternoon, when flights are generally more expensive, you can save up to 49% 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 Wednesday (17 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (12 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 Delta, Porter Airlines and Aeromexico 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

8,220 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

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

Delta

8.0

Very good

8,220 reviews

Delta

8.0

Very good

8,220 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

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

Porter Airlines

7.9

Good

276 reviews

Delta

8.0

Very good

8,220 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

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

Aeromexico

7.5

Good

1,771 reviews

Delta

8.0

Very good

8,220 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

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

United Airlines

7.4

Good

8,766 reviews

Delta

8.0

Very good

8,220 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

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

8,220 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

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$ 359. Other airlines that can offer you cheap pricing are Air Canada, from C$ 402, and American Airlines, from C$ 405. These flights start at 36% 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), American Airlines (C$ 180), and Porter Airlines (C$ 185).
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 (79%), ANA (75%), Copa Airlines (75%).
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$ 148. While the most popular route (Chicago O'Hare Intl - Montreal Pierre Elliott Trudeau Intl) can be booked for C$ 398 on average our data indicates C$ 183 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

Longueuil

Cornwall

Montebello

Saint-Jean-sur-Richelieu

Sherbrooke

Saint-Sauveur

Bromont

Drummondville

Trois-Rivières

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$ 416	AverageC$ 715	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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Yes! Cheapflights helps users easily find flights from Chicago to Pierre Elliott Trudeau Intl with no change fees.

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Cheap flights from Chicago to Montreal Pierre Elliott Trudeau Intl Airport from C$ 111

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 1/4. 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 September or November, booked 23 days in advance, depart on a Thursday 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 20 February 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 20 February 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 14 February 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 20 February 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 Delta, Porter Airlines and Aeromexico 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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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 20 February 2025.