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

To fly one-way, consider booking your trip with Porter Airlines, which is currently one of the cheapest options available, starting at C$ 158. United Airlines flights start at C$ 181 while deals on Delta start at C$ 193 one-way.

What are the most popular routes from Illinois to Montreal Pierre Elliott Trudeau Intl Airport?

The most popular route from Illinois to Montreal Pierre Elliott Trudeau Intl Airport is Chicago O'Hare Intl - Montreal Pierre Elliott Trudeau Intl. You may also consider Chicago Midway - Montreal Pierre Elliott Trudeau Intl or Lambert-St Louis - Montreal Pierre Elliott Trudeau Intl.

What are the most reliable airlines from Illinois 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 Illinois to Montreal Pierre Elliott Trudeau Intl Airport on time: Avianca (79%), ANA (75%), Copa Airlines (75%).

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, October can be a great choice for travel to Montreal Pierre Elliott Trudeau Intl Airport. Flights to Montreal Pierre Elliott Trudeau Intl Airport from Illinois in October are about C$ 558 on average during October, but can be found for as low as C$ 181.

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

Yes. Cheapflights offers flight deals from Illinois 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$ 115+ Flights from Illinois to Montreal Pierre Elliott Trudeau Intl Airport

Q: How far in advance should I book a flight from Illinois to Montreal Pierre Elliott Trudeau Intl Airport?

Travellers have found it’s best to book a flight 46 days in advance to save up to 214% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 46 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Illinois to Montreal Pierre Elliott Trudeau Intl Airport 1-2 weeks in advance for as low as C$ 434, or C$ 725 for flights within the next 24 hours.

Cheap flight deals from Illinois to Pierre Elliott Trudeau Intl

Round-trip from	C$ 286
One-way from	C$ 115
Popular in	December
Cheapest in	October
Average price	C$ 567
Good round-trip deal	C$ 199 or less
Good one-way deal	C$ 168 or less

3/4-7/4
2 total stops
46h 05m total
Illinois to Montreal

Search Deals

15/4
1 total stop
27h 36m total
Illinois 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$ 13 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 Illinois to Montreal Pierre Elliott Trudeau Intl.

Search Deals

Price to beat on a one-way flight from Illinois to Montreal Pierre Elliott Trudeau Intl.

Search Deals

Find flight deals from Illinois to Pierre Elliott Trudeau Intl

Cheapest flights from Illinois to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Illinois to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 February 2025.

Thu 3/46:47 p.m.STL - YUL

1 stop19h 08mMultiple Airlines

Mon 7/43:55 p.m.YUL - STL

1 stop26h 57mMultiple Airlines

Deal found 22/2C$ 286

Wed 2/45:10 a.m.ORD - YUL

1 stop8h 45mMultiple Airlines

Tue 8/43:55 p.m.YUL - ORD

1 stop18h 29mMultiple Airlines

Deal found 22/2C$ 324

Mon 7/411:15 a.m.MDW - YUL

1 stop5h 47mPorter Airlines

Mon 14/411:50 a.m.YUL - MDW

1 stop5h 50mPorter Airlines

Deal found 21/2C$ 350

Fri 25/47:55 p.m.ORD - YUL

1 stop17h 29mUnited Airlines

Sat 26/44:31 p.m.YUL - ORD

Nonstop2h 51mUnited Airlines

Deal found 21/2C$ 401

Tue 1/49:45 a.m.ORD - YUL

1 stop4h 40mAmerican Airlines

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

1 stop15h 04mAmerican Airlines

Deal found 21/2C$ 405

Wed 2/47:20 a.m.ORD - YUL

Nonstop2h 16mAir Canada

Tue 8/49:15 a.m.YUL - ORD

Nonstop2h 32mAir Canada

Deal found 22/2C$ 422

Fri 4/411:15 a.m.MDW - YUL

1 stop5h 45mMultiple Airlines

Mon 7/46:00 p.m.YUL - MDW

1 stop16h 07mMultiple Airlines

Deal found 22/2C$ 461

Wed 21/56:00 a.m.MDW - YUL

1 stop10h 09mDelta

Sat 24/57:00 a.m.YUL - MDW

1 stop8h 54mDelta

Deal found 21/2C$ 469

Mon 17/36:15 p.m.ORD - YUL

1 stop4h 11mDelta

Sun 23/37:05 a.m.YUL - ORD

1 stop6h 36mDelta

Deal found 22/2C$ 469

Fri 4/46:15 p.m.ORD - YUL

1 stop4h 13mWestJet

Sun 6/44:50 p.m.YUL - ORD

1 stop4h 55mWestJet

Deal found 22/2C$ 543

Tue 8/412:48 p.m.MDW - YUL

1 stop21h 45mWestJet

Tue 15/46:45 a.m.YUL - MDW

2 stops27h 22mWestJet

Deal found 22/2C$ 609

Wed 12/35:10 p.m.STL - YUL

1 stop16h 00mAmerican Airlines

Sat 15/37:30 a.m.YUL - STL

2 stops11h 29mAmerican Airlines

Deal found 22/2C$ 738

Best flights from Illinois to Pierre Elliott Trudeau Intl
Discover carefully curated flight deals from Illinois 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 22 February 2025.

Thu 3/46:47 p.m.STL - YUL

1 stop19h 08mMultiple Airlines

Mon 7/43:55 p.m.YUL - STL

1 stop26h 57mMultiple Airlines

Deal found 22/2C$ 286

Mon 7/411:15 a.m.MDW - YUL

1 stop5h 47mPorter Airlines

Mon 14/411:50 a.m.YUL - MDW

1 stop5h 50mPorter Airlines

Deal found 21/2C$ 350

Fri 25/47:55 p.m.ORD - YUL

1 stop17h 29mUnited Airlines

Sat 26/44:31 p.m.YUL - ORD

Nonstop2h 51mUnited Airlines

Deal found 21/2C$ 401

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 1/46:17 a.m.ORD - YUL

1 stop9h 42mAmerican Airlines

Sat 5/412:30 p.m.YUL - ORD

Nonstop2h 35mAmerican Airlines

Deal found 20/2C$ 446

Wed 21/56:00 a.m.MDW - YUL

1 stop10h 09mDelta

Sat 24/57:00 a.m.YUL - MDW

1 stop8h 54mDelta

Deal found 21/2C$ 469

Fri 4/46:15 p.m.ORD - YUL

1 stop4h 13mWestJet

Sun 6/44:50 p.m.YUL - ORD

1 stop4h 55mWestJet

Deal found 22/2C$ 543

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

1 stop18h 06mMultiple Airlines

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

1 stop18h 29mMultiple Airlines

Deal found 21/2C$ 323

Wed 19/36:15 p.m.ORD - YUL

1 stop4h 11mDelta

Mon 24/36:00 p.m.YUL - ORD

1 stop6h 56mDelta

Deal found 20/2C$ 469

Fri 4/411:15 a.m.MDW - YUL

1 stop5h 45mMultiple Airlines

Mon 7/46:00 p.m.YUL - MDW

1 stop16h 07mMultiple Airlines

Deal found 22/2C$ 461

Tue 8/412:48 p.m.MDW - YUL

1 stop21h 45mWestJet

Tue 15/46:45 a.m.YUL - MDW

2 stops27h 22mWestJet

Deal found 22/2C$ 609

Wed 12/35:10 p.m.STL - YUL

1 stop16h 00mAmerican Airlines

Sat 15/37:30 a.m.YUL - STL

2 stops11h 29mAmerican Airlines

Deal found 22/2C$ 738

Direct flights from Illinois to Pierre Elliott Trudeau Intl
Explore direct flight options from Illinois to Pierre Elliott Trudeau Intl based on user searches, and compare prices and availability for your desired travel dates. Data last updated 22 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 25/43:35 p.m.ORD - YUL

Nonstop2h 16mMultiple Airlines

Sat 26/46:20 p.m.YUL - ORD

Nonstop2h 40mMultiple Airlines

Deal found 21/2C$ 434

Fri 4/48:25 a.m.ORD - YUL

Nonstop2h 19mAmerican Airlines

Sun 6/412:30 p.m.YUL - ORD

Nonstop2h 35mAmerican Airlines

Deal found 22/2C$ 515

Fri 4/41:55 p.m.ORD - YUL

Nonstop2h 31mUnited Airlines

Sun 6/49:15 a.m.YUL - ORD

Nonstop2h 32mUnited Airlines

Deal found 21/2C$ 529

Thu 1/51:30 p.m.STL - YUL

Nonstop2h 29mAir Canada

Tue 6/56:10 p.m.YUL - STL

Nonstop2h 48mAir Canada

Deal found 21/2C$ 812

Last-minute flights from Illinois to Pierre Elliott Trudeau Intl
Discover last-minute flight deals from Illinois to Pierre Elliott Trudeau Intl. Data last updated 22 February 2025 and is based on user searches.

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

1 stop3h 55mPorter Airlines

Fri 7/36:50 a.m.YUL - MDW

1 stop4h 30mPorter Airlines

Deal found 21/2C$ 611

Fri 28/21:26 p.m.MDW - YUL

1 stop9h 14mMultiple Airlines

Mon 10/311:50 a.m.YUL - MDW

1 stop5h 50mMultiple Airlines

Deal found 21/2C$ 671

Fri 28/26:00 a.m.ORD - YUL

1 stop14h 03mDelta

Sun 9/36:05 a.m.YUL - ORD

1 stop6h 25mDelta

Deal found 21/2C$ 691

Fri 28/210:30 a.m.ORD - YUL

1 stop4h 27mWestJet

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

1 stop6h 50mWestJet

Deal found 21/2C$ 782

Fri 28/26:15 a.m.ORD - YUL

1 stop9h 40mAmerican Airlines

Sat 1/35:35 p.m.YUL - ORD

1 stop15h 14mAmerican Airlines

Deal found 21/2C$ 872

Fri 28/26:28 p.m.MDW - YUL

1 stop3h 54mDelta

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

1 stop7h 00mDelta

Deal found 21/2C$ 1,086

Sat 1/311:01 a.m.MDW - YUL

2 stops27h 35mWestJet

Sun 2/36:03 p.m.YUL - MDW

1 stop17h 09mWestJet

Deal found 21/2C$ 2,322

Mon 3/35:00 a.m.ORD - YUL

2 stops34h 45mMultiple Airlines

Fri 7/33:55 p.m.YUL - ORD

1 stop18h 12mMultiple Airlines

Deal found 21/2C$ 495

Mon 3/33:35 p.m.ORD - YUL

Nonstop2h 12mAir Canada

Fri 7/36:00 a.m.YUL - ORD

Nonstop2h 57mAir Canada

Deal found 21/2C$ 626

Mon 3/36:35 p.m.ORD - YUL

1 stop18h 41mUnited Airlines

Tue 4/34:45 p.m.YUL - ORD

Nonstop3h 00mUnited Airlines

Deal found 21/2C$ 805

Tue 4/34:00 p.m.STL - YUL

2 stops23h 45mMultiple Airlines

Sun 16/37:00 a.m.YUL - STL

1 stop10h 42mMultiple Airlines

Deal found 22/2C$ 509

Fri 7/39:30 p.m.ORD - YUL

1 stop9h 53mUnited Airlines

Sun 9/33:25 p.m.YUL - ORD

1 stop17h 39mUnited Airlines

Deal found 22/2C$ 724

One-way flights from Illinois to Pierre Elliott Trudeau Intl
Search for one-way flight options from Illinois to Pierre Elliott Trudeau Intl. Find affordable one-way fares based on user searches. Data last updated 22 February 2025.

Tue 15/410:19 a.m.ORD - YUL

1 stop27h 36mMultiple Airlines

Deal found 21/2C$ 115

Mon 7/411:15 a.m.MDW - YUL

1 stop5h 47mPorter Airlines

Deal found 21/2C$ 158

Fri 2/58:40 a.m.ORD - YUL

Nonstop2h 15mUnited Airlines

Deal found 21/2C$ 181

Fri 2/53:02 p.m.MDW - YUL

1 stop7h 26mDelta

Deal found 21/2C$ 193

Wed 19/35:00 a.m.ORD - YUL

2 stops10h 59mAmerican Airlines

Deal found 21/2C$ 200

Fri 18/47:20 a.m.ORD - YUL

Nonstop2h 16mAir Canada

Deal found 20/2C$ 213

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

2 stops15h 09mMultiple Airlines

Deal found 20/2C$ 243

Tue 8/412:48 p.m.MDW - YUL

2 stops10h 51mWestJet

Deal found 20/2C$ 269

Wed 12/37:05 a.m.ORD - YUL

1 stop8h 50mDelta

Deal found 21/2C$ 272

Tue 25/36:10 a.m.STL - YUL

1 stop9h 18mDelta

Deal found 22/2C$ 273

Fri 2/58:10 p.m.ORD - YUL

2 stops27h 27mWestJet

Deal found 21/2C$ 313

Fri 25/45:00 p.m.STL - YUL

1 stop15h 50mAmerican Airlines

Deal found 22/2C$ 358

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

Fly from

Fly to

Route

Depart

Return

Price

St. LouisMontreal

STL - YUL

STLYUL

Lambert-St Louis

Thu 3/4

6:47 p.m.-2:55 p.m.

1 stop19h 08m

Montreal Pierre Elliott Trudeau Intl

Mon 7/4

3:55 p.m.-5:52 p.m.

1 stop26h 57m

C$ 286

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.-9:24 a.m.

1 stop18h 29m

C$ 323

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Mon 7/4

11:15 a.m.-6:02 p.m.

1 stop5h 47m

Montreal Pierre Elliott Trudeau Intl

Mon 14/4

11:50 a.m.-4:40 p.m.

1 stop5h 50m

C$ 350

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Fri 25/4

7:55 p.m.-2:24 p.m.

1 stop17h 29m

Montreal Pierre Elliott Trudeau Intl

Sat 26/4

4:31 p.m.-6:22 p.m.

Nonstop2h 51m

C$ 401

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

8:50 a.m.-12:03 p.m.

1 stop4h 13m

C$ 402

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Tue 1/4

6:17 a.m.-4:59 p.m.

1 stop9h 42m

Montreal Pierre Elliott Trudeau Intl

Sat 5/4

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

Nonstop2h 35m

C$ 446

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Fri 4/4

11:15 a.m.-6:00 p.m.

1 stop5h 45m

Montreal Pierre Elliott Trudeau Intl

Mon 7/4

6:00 p.m.-9:07 a.m.

1 stop16h 07m

C$ 461

ChicagoMontreal

MDW - YUL

MDWYUL

Chicago Midway

Wed 21/5

6:00 a.m.-5:09 p.m.

1 stop10h 09m

Montreal Pierre Elliott Trudeau Intl

Sat 24/5

7:00 a.m.-2:54 p.m.

1 stop8h 54m

C$ 469

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Wed 19/3

6:15 p.m.-11:26 p.m.

1 stop4h 11m

Montreal Pierre Elliott Trudeau Intl

Mon 24/3

6:00 p.m.-11:56 p.m.

1 stop6h 56m

C$ 469

ChicagoMontreal

ORD - YUL

ORDYUL

Chicago O'Hare Intl

Fri 4/4

6:15 p.m.-11:28 p.m.

1 stop4h 13m

Montreal Pierre Elliott Trudeau Intl

Sun 6/4

4:50 p.m.-8:45 p.m.

1 stop4h 55m

C$ 543

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/2

Showing 1-10 of 32 results

Best time to book a flight from Illinois to Pierre Elliott Trudeau Intl

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

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

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

Currently, October is the cheapest month in which you can book a flight from Illinois to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 241). Flying from Illinois 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 IL to YUL?

When flying from Illinois to Montreal Pierre Elliott Trudeau Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

The most flights from USIL to YUL are scheduled on a Tuesday (17 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (16 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

Read reviews from past customers who have flown Delta, Porter Airlines and United Airlines from Illinois to Montreal. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

8,203 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

8,203 reviews

Delta

8.0

Very good

8,203 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

277 reviews

Delta

8.0

Very good

8,203 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

8,754 reviews

Delta

8.0

Very good

8,203 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

8,203 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.

WestJet

7.2

Good

2,796 reviews

Delta

8.0

Very good

8,203 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 to fly from Illinois to Montreal Pierre Elliott Trudeau Intl Airport one-way?
To fly one-way, consider booking your trip with Porter Airlines, which is currently one of the cheapest options available, starting at C$ 158. United Airlines flights start at C$ 181 while deals on Delta start at C$ 193 one-way.
What are the most popular routes from Illinois to Montreal Pierre Elliott Trudeau Intl Airport?
The most popular route from Illinois to Montreal Pierre Elliott Trudeau Intl Airport is Chicago O'Hare Intl - Montreal Pierre Elliott Trudeau Intl. You may also consider Chicago Midway - Montreal Pierre Elliott Trudeau Intl or Lambert-St Louis - Montreal Pierre Elliott Trudeau Intl.
What are the most reliable airlines from Illinois 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 Illinois to Montreal Pierre Elliott Trudeau Intl Airport on time: Avianca (79%), ANA (75%), Copa Airlines (75%).
What are the cheapest flights from Illinois 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$ 310 on average our data indicates C$ 183 when flying from Illinois to Montreal Pierre Elliott Trudeau Intl Airport.
Can I find deals for flights from Illinois to Pierre Elliott Trudeau Intl that include hotel bookings?
Yes. In addition to deals on Illinois to Pierre Elliott Trudeau Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Illinois 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 Illinois to Pierre Elliott Trudeau Intl.
Can I find deals for business class flights from Illinois to Pierre Elliott Trudeau Intl?
Yes. Cheapflights offers flight deals from Illinois 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 Illinois to Montreal Pierre Elliott Trudeau Intl Airport?
Currently, October is the cheapest month in which you can book a flight from Illinois to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 241). Flying from Illinois 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 Illinois to Pierre Elliott Trudeau Intl

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 416	AverageC$ 716	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

Fly with Cheapflights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Pierre Elliott Trudeau Intl from Illinois today with Cheapflights!

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

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

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

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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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Cheap flights from Illinois to Montreal Pierre Elliott Trudeau Intl Airport from C$ 115

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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Illinois to Pierre Elliott Trudeau Intl

Keep the following information in mind while searching for Illinois to Pierre Elliott Trudeau Intl flight deals. Data was last updated 22 February 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Illinois to Pierre Elliott Trudeau Intl

Cheapest flights from Illinois to Pierre Elliott Trudeau IntlExplore the most affordable flight options available from Illinois to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 February 2025.

Explore the most affordable flight options available from Illinois to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 February 2025.

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

Best time to book a flight from Illinois to Pierre Elliott Trudeau Intl

Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau Intl from Illinois with our price prediction graph.

Travel insights for flights from Illinois to Pierre Elliott Trudeau Intl

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

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

What is the cheapest time of day to fly from IL to YUL?

Find hourly flight availability from Illinois 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 22 February 2025.

Weekly flight availability from Illinois 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

Read reviews from past customers who have flown Delta, Porter Airlines and United Airlines from Illinois to Montreal. You can also see how each airline compares 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 Illinois 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.

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Cheapest flights from Illinois to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Illinois to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 February 2025.