In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

If weather is an important factor for your trip to Chicago O'Hare 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

What are the most popular airlines that fly from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport?

The most popular airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport are American Airlines, Air Canada and United Airlines. Something to consider prior to booking your flight.

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

It’s generally more expensive to depart on a Wednesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

How can I find direct flights from Pierre Elliott Trudeau Intl to O'Hare Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to O'Hare Intl.

Can I find deals for business class flights from Pierre Elliott Trudeau Intl to O'Hare Intl?

Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to O'Hare 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.

$149+ Flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport

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Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to Chicago O'Hare Intl are usually found in September or April, booked 83 days in advance, depart on a Thursday or Saturday and return on a Thursday

Cheap flight deals from Pierre Elliott Trudeau Intl to O'Hare Intl

Round-trip from	$226 (Mytrip)
One-way from	$149 (Gotogate)
Popular in	January
Cheapest in	September
Average price	$358
Good round-trip deal	$376 or less
Good one-way deal	$222 or less

From Montreal Pierre Elliott Trudeau Intl to Chicago O'Hare Intl

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One-way flight from Montreal Pierre Elliott Trudeau Intl to Chicago O'Hare Intl

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Highest demand for flights based on searches. 11% potential increase in price ($51 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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Price to beat on a round-trip flight from Montreal Pierre Elliott Trudeau Intl to Chicago O'Hare Intl.

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Price to beat on a one-way flight from Montreal Pierre Elliott Trudeau Intl to Chicago O'Hare Intl.

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Find flight deals from Pierre Elliott Trudeau Intl to O'Hare Intl

Cheapest flights from Pierre Elliott Trudeau Intl to O'Hare Intl
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 26, 2025.

Sat 8/99:15 amYUL - ORD

1 stop6h 49mAir Canada

Sat 8/1610:40 amORD - YUL

Nonstop2h 18mAir Canada

Deal found 6/25

$226

Thu 8/79:45 amYUL - ORD

Nonstop2h 39mUnited Airlines

Thu 8/147:15 amORD - YUL

Nonstop2h 25mUnited Airlines

Deal found 6/26

$232

Wed 9/36:00 amYUL - ORD

1 stop8h 09mDelta

Sun 9/77:15 amORD - YUL

1 stop3h 43mDelta

Deal found 6/26

$244

Fri 8/85:29 pmYUL - ORD

Nonstop2h 36mAmerican Airlines

Sun 8/108:10 amORD - YUL

Nonstop2h 26mAmerican Airlines

Deal found 6/25

$260

Sat 8/99:15 amYUL - ORD

1 stop15h 15mMultiple Airlines

Sun 8/108:40 amORD - YUL

Nonstop2h 18mMultiple Airlines

Deal found 6/25

$290

Sat 8/99:45 amYUL - ORD

Nonstop2h 39mLufthansa

Sun 8/105:58 pmORD - YUL

Nonstop2h 31mLufthansa

Deal found 6/24

$315

Mon 7/217:00 amYUL - ORD

1 stop8h 19mWestJet

Thu 7/2411:01 amORD - YUL

1 stop4h 23mWestJet

Deal found 6/25

$331

Best flights from Pierre Elliott Trudeau Intl to O'Hare Intl
Discover carefully curated flight deals from Pierre Elliott Trudeau Intl to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 26, 2025.

Sat 8/99:15 amYUL - ORD

1 stop6h 49mAir Canada

Sat 8/1610:40 amORD - YUL

Nonstop2h 18mAir Canada

Deal found 6/25

$226

Thu 8/79:45 amYUL - ORD

Nonstop2h 39mUnited Airlines

Thu 8/147:15 amORD - YUL

Nonstop2h 25mUnited Airlines

Deal found 6/26

$232

Wed 9/36:00 amYUL - ORD

1 stop8h 09mDelta

Sun 9/77:15 amORD - YUL

1 stop3h 43mDelta

Deal found 6/26

$244

Fri 8/85:29 pmYUL - ORD

Nonstop2h 36mAmerican Airlines

Sun 8/108:10 amORD - YUL

Nonstop2h 26mAmerican Airlines

Deal found 6/25

$260

Sat 8/99:15 amYUL - ORD

1 stop15h 15mMultiple Airlines

Sun 8/108:40 amORD - YUL

Nonstop2h 18mMultiple Airlines

Deal found 6/25

$290

Sat 8/99:45 amYUL - ORD

Nonstop2h 39mLufthansa

Sun 8/105:58 pmORD - YUL

Nonstop2h 31mLufthansa

Deal found 6/24

$315

Mon 7/217:00 amYUL - ORD

1 stop8h 19mWestJet

Thu 7/2411:01 amORD - YUL

1 stop4h 23mWestJet

Deal found 6/25

$331

Last-minute flights from Pierre Elliott Trudeau Intl to O'Hare Intl
Discover last-minute flight deals from Pierre Elliott Trudeau Intl to O'Hare Intl. Data last updated June 26, 2025 and is based on user searches.

Tue 7/16:00 amYUL - ORD

1 stop8h 24mDelta

Fri 7/187:00 amORD - YUL

1 stop9h 54mDelta

Deal found 6/24

$373

Wed 7/29:45 amYUL - ORD

Nonstop2h 39mUnited Airlines

Wed 7/97:15 amORD - YUL

Nonstop2h 25mUnited Airlines

Deal found 6/25

$403

Thu 7/39:15 amYUL - ORD

1 stop4h 58mAir Canada

Sat 8/233:35 pmORD - YUL

Nonstop2h 15mAir Canada

Deal found 6/25

$381

Thu 7/35:29 pmYUL - ORD

Nonstop2h 35mAmerican Airlines

Sat 8/238:15 amORD - YUL

Nonstop2h 26mAmerican Airlines

Deal found 6/25

$385

Thu 7/37:00 amYUL - ORD

2 stops16h 09mWestJet

Mon 7/78:30 amORD - YUL

2 stops21h 38mWestJet

Deal found 6/24

$500

Sun 7/67:00 amYUL - ORD

1 stop8h 30mMultiple Airlines

Mon 7/288:40 amORD - YUL

Nonstop2h 18mMultiple Airlines

Deal found 6/25

$463

Sat 7/198:55 amYUL - ORD

2 stops12h 05mMultiple Airlines

Sat 7/265:51 amORD - YUL

1 stop11h 04mMultiple Airlines

Deal found 6/24

$359

Mon 7/2110:30 amYUL - ORD

1 stop21h 53mAmerican Airlines

Wed 7/238:45 pmORD - YUL

2 stops19h 00mAmerican Airlines

Deal found 6/25

$262

Mon 7/217:00 amYUL - ORD

1 stop8h 19mWestJet

Thu 7/2411:01 amORD - YUL

1 stop4h 23mWestJet

Deal found 6/25

$331

Thu 7/249:45 amYUL - ORD

Nonstop2h 39mUnited Airlines

Mon 7/287:15 amORD - YUL

Nonstop2h 25mUnited Airlines

Deal found 6/26

$237

Thu 7/2410:15 amYUL - ORD

1 stop5h 49mAir Canada

Mon 7/288:25 pmORD - YUL

1 stop11h 18mAir Canada

Deal found 6/26

$252

Sat 7/266:00 amYUL - ORD

1 stop7h 50mDelta

Sat 8/21:35 pmORD - YUL

1 stop9h 20mDelta

Deal found 6/25

$277

One-way flights from Pierre Elliott Trudeau Intl to O'Hare Intl
Search for one-way flight options from Pierre Elliott Trudeau Intl to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated June 26, 2025.

Sat 8/91:10 pmYUL - ORD

1 stop7h 19mAir Canada

Deal found 6/25

$149

Fri 10/37:10 pmYUL - ORD

1 stop5h 05mUnited Airlines

Deal found 6/23

$150

Fri 8/85:29 pmYUL - ORD

Nonstop2h 36mAmerican Airlines

Deal found 6/25

$156

Tue 7/296:00 amYUL - ORD

1 stop7h 50mDelta

Deal found 6/25

$161

Tue 7/295:00 pmYUL - ORD

1 stop6h 27mWestJet

Deal found 6/24

$191

Sat 7/191:10 pmYUL - ORD

1 stop7h 50mMultiple Airlines

Deal found 6/24

$193

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 8/9

9:15 am-3:04 pm

1 stop6h 49m

Chicago O'Hare Intl

Sat 8/16

10:40 am-1:58 pm

Nonstop2h 18m

$226

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Thu 8/7

9:45 am-11:24 am

Nonstop2h 39m

Chicago O'Hare Intl

Thu 8/14

7:15 am-10:40 am

Nonstop2h 25m

$232

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Wed 9/3

6:00 am-1:09 pm

1 stop8h 09m

Chicago O'Hare Intl

Sun 9/7

7:15 am-11:58 am

1 stop3h 43m

$244

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Fri 8/8

5:29 pm-7:05 pm

Nonstop2h 36m

Chicago O'Hare Intl

Sun 8/10

8:10 am-11:36 am

Nonstop2h 26m

$260

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 8/9

9:15 am-11:30 pm

1 stop15h 15m

Chicago O'Hare Intl

Sun 8/10

8:40 am-11:58 am

Nonstop2h 18m

$290

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 8/9

9:45 am-11:24 am

Nonstop2h 39m

Chicago O'Hare Intl

Sun 8/10

5:58 pm-9:29 pm

Nonstop2h 31m

$315

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Mon 7/21

7:00 am-2:19 pm

1 stop8h 19m

Chicago O'Hare Intl

Thu 7/24

11:01 am-4:24 pm

1 stop4h 23m

$331

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Sat 8/9

1:10 pm-7:29 pm

1 stop7h 19m

$149

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Fri 10/3

7:10 pm-11:15 pm

1 stop5h 05m

$150

MontrealChicago

YUL - ORD

YULORD

Montreal Pierre Elliott Trudeau Intl

Fri 8/8

5:29 pm-7:05 pm

Nonstop2h 36m

$156

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/25

Showing 1-10 of 13 results

The best insider tips for Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport trip

Airports

YUL

Use YULExpress to pre-book security fast track up to 72 hours before departure for a quicker check-in experience.

ORD

For a quick city transfer, take the “L” train from ORD to downtown Chicago, avoiding traffic delays.

Our travel experts

Ramsey Qubein

Expert on ORD

John Walton

Expert on YUL

Best time to book a flight from Pierre Elliott Trudeau Intl to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Pierre Elliott Trudeau Intl 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 Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport

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

The best time to book flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport is 83 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, August is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport (average of $245). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $320). 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 YUL to ORD?

It’s optimal to fly from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport in the afternoon. By choosing this option you can save up to 3% on the cost of your flight, compared to a flight in the morning.

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

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

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

The most flights from YUL to ORD are scheduled on a Monday (31 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (27 on average).

Reviews of airlines servicing O'Hare Intl

Read through reviews of airlines operating flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,963 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,963 reviews

Delta

8.0

Very good

7,963 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,838 reviews

Delta

8.0

Very good

7,963 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,963 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

WestJet

7.2

Good

2,893 reviews

Delta

8.0

Very good

7,963 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Air Canada

7.1

Good

9,637 reviews

Delta

8.0

Very good

7,963 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport round-trip?
According to our current data, Air Canada ($226), United Airlines ($232), and Delta ($244) offers the cheapest pricing from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport. Air Canada is currently priced 41% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport one-way?
The cheapest airlines for a one-way flight from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport are Air Canada ($149), United Airlines ($150), and American Airlines ($156).
What are the most reliable airlines from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare 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 Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport on time: Emirates (96%), Avianca (95%), ANA (93%).
What are the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport?
While on average a flight from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport is generally $801, our data shows the cheapest flight currently is $157. When looking at the most popular route, (Montreal Pierre Elliott Trudeau Intl - Chicago O'Hare Intl), you can expect to pay $174 for that flight.
Can I find deals for flights from Pierre Elliott Trudeau Intl to O'Hare Intl that include hotel bookings?
Yes. In addition to deals on Pierre Elliott Trudeau Intl to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Pierre Elliott Trudeau Intl to O'Hare Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to O'Hare Intl.
Can I find deals for business class flights from Pierre Elliott Trudeau Intl to O'Hare Intl?
Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to O'Hare 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 Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport (average of $245). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $320). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 4 airlines flying from Pierre Elliott Trudeau Intl to O'Hare Intl

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$112	Average$495	FlexibilityNo cancel fee	On-time69%
Air Canada	Cheapest$236	Average$453	FlexibilityNo cancel fee	On-time67%
American Airlines	Cheapest$275	Average$396	FlexibilityNo cancel fee	On-time71%
WestJet	Cheapest$334	Average$354	FlexibilityNo cancel fee	On-time60%

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$149+ Cheap flights from Pierre Elliott Trudeau Intl (YUL) to O'Hare Intl (ORD)

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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Pierre Elliott Trudeau Intl to O'Hare Intl with Cheapflights

1. Tell us where you want to go

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3. Compare prices and book

Cheapflights Tip: The best prices from Montreal Pierre Elliott Trudeau Intl to Chicago O'Hare Intl are usually found in September or April, booked 83 days in advance, depart on a Thursday or Saturday and return on a Thursday

Cheap flight deals from Pierre Elliott Trudeau Intl to O'Hare Intl

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Find flight deals from Pierre Elliott Trudeau Intl to O'Hare Intl

Cheapest flights from Pierre Elliott Trudeau Intl to O'Hare IntlExplore the most affordable flight options available from Pierre Elliott Trudeau Intl to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 26, 2025.

Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 26, 2025.

Cheapflights Fare Finder

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

The best insider tips for Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport trip

Airports

YUL

ORD

Our travel experts

Best time to book a flight from Pierre Elliott Trudeau Intl to O'Hare Intl

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

Cheapflights Insights

Everything you need to know about your flight from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Pierre Elliott Trudeau Intl to O'Hare Intl. Price data was last updated on June 20, 2025.

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

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

Find hourly flight availability from Pierre Elliott Trudeau Intl to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 26, 2025.

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

Use this chart to determine the cheapest time to fly round-trip from Pierre Elliott Trudeau Intl to O'Hare Intl. Price data was last updated on June 22, 2025.

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

Reviews of airlines servicing O'Hare Intl

Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl to O'Hare 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 Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport round-trip?

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

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

What are the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to Chicago O'Hare Intl Airport?

Can I find deals for flights from Pierre Elliott Trudeau Intl to O'Hare Intl that include hotel bookings?

How can I find direct flights from Pierre Elliott Trudeau Intl to O'Hare Intl?

Can I find deals for business class flights from Pierre Elliott Trudeau Intl to O'Hare Intl?

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

Traveling to a place near Montreal Pierre Elliott Trudeau Intl Airport?

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Alternative routes for Pierre Elliott Trudeau Intl to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Pierre Elliott Trudeau Intl to O'Hare Intl

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Cheapest flights from Pierre Elliott Trudeau Intl to O'Hare Intl
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 26, 2025.