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£123 Cheap Flights from Chicago (ORD) to Montreal (YUL)

View £123 flight on Tue, 29 Sept 2026Opens in a new window

Popular airlines from Chicago O'Hare International Airport (ORD) to Trudeau International Airport (YUL)

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Cheap Flights from Chicago (ORD) to Montreal (YUL)

Prices were available within the past 7 days and start at £123 for one-way flights and £264 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Porter Airlines
Wed, 17 Feb - Wed, 24 Feb
ORD
Chicago
YUL
Montreal
£264 Return, found 5 days ago
£264
Return
found 5 days ago
Select Porter Airlines flight, departing Wed, 17 Feb from Chicago to Montreal, returning Wed, 24 Feb, priced at £264 found 5 days ago
Porter Airlines
Wed, 17 Feb - Wed, 24 Feb
ORD
Chicago
YUL
Montreal
£270 Return, found 5 days ago
£270
Return
found 5 days ago
Select Porter Airlines flight, departing Wed, 17 Feb from Chicago to Montreal, returning Wed, 24 Feb, priced at £270 found 5 days ago
Air Canada
Wed, 30 Sept - Thu, 1 Oct
ORD
Chicago
YUL
Montreal
£273 Return, found 6 days ago
£273
Return
found 6 days ago
Select Air Canada flight, departing Wed, 30 Sept from Chicago to Montreal, returning Thu, 1 Oct, priced at £273 found 6 days ago
Air Transat
Wed, 17 Feb - Wed, 24 Feb
ORD
Chicago
YUL
Montreal
£275 Return, found 5 days ago
£275
Return
found 5 days ago
Select Air Transat flight, departing Wed, 17 Feb from Chicago to Montreal, returning Wed, 24 Feb, priced at £275 found 5 days ago
Porter Airlines
Tue, 8 Jun - Tue, 15 Jun
ORD
Chicago
YUL
Montreal
£277 Return, found 4 days ago
£277
Return
found 4 days ago
Select Porter Airlines flight, departing Tue, 8 Jun from Chicago to Montreal, returning Tue, 15 Jun, priced at £277 found 4 days ago
Porter Airlines
Tue, 8 Jun - Tue, 15 Jun
ORD
Chicago
YUL
Montreal
£282 Return, found 4 days ago
£282
Return
found 4 days ago
Select Porter Airlines flight, departing Tue, 8 Jun from Chicago to Montreal, returning Tue, 15 Jun, priced at £282 found 4 days ago
Air Canada
Wed, 17 Feb - Wed, 24 Feb
ORD
Chicago
YUL
Montreal
£283 Return, found 5 days ago
£283
Return
found 5 days ago
Select Air Canada flight, departing Wed, 17 Feb from Chicago to Montreal, returning Wed, 24 Feb, priced at £283 found 5 days ago
Porter Airlines
Wed, 17 Feb - Wed, 24 Feb
ORD
Chicago
YUL
Montreal
£286 Return, found 5 days ago
£286
Return
found 5 days ago
Select Porter Airlines flight, departing Wed, 17 Feb from Chicago to Montreal, returning Wed, 24 Feb, priced at £286 found 5 days ago
United
Sat, 3 Oct - Sun, 4 Oct
ORD
Chicago
YUL
Montreal
£320 Return, found 6 days ago
£320
Return
found 6 days ago
Select United flight, departing Sat, 3 Oct from Chicago to Montreal, returning Sun, 4 Oct, priced at £320 found 6 days ago
Delta
Sat, 3 Oct - Sun, 4 Oct
ORD
Chicago
YUL
Montreal
£365 Return, found 6 days ago
£365
Return
found 6 days ago
Select Delta flight, departing Sat, 3 Oct from Chicago to Montreal, returning Sun, 4 Oct, priced at £365 found 6 days ago

Find the cheapest month to fly from Chicago (ORD) to Montreal (YUL)

September is typically the cheapest month to fly

From £219 - £420 per traveller.

Frequently asked questions

How much does a flight from Chicago, IL (ORD-O'Hare Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) cost?
You can find one-way and return flights from ORD to YUL with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when ORD to YUL ticket fares go up or down.
What is the cheapest month to fly from Chicago, IL (ORD-O'Hare Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.)?
If you're looking for the cheapest time to fly from Chicago O'Hare International Airport (ORD) to Montreal-Pierre Elliott Trudeau International Airport (YUL), September is typically your best bet. You can expect average return flight prices around £264 during this month. September often sees lower prices as the peak summer travel season winds down, and before the holiday rush begins. Other budget-friendly months to consider for this route include April and May.
Which airlines fly direct from Chicago, IL (ORD-O'Hare Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.)?
There are 4 airlines offering direct flights from Chicago, IL (ORD-O'Hare Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.). Here are some of the top carriers:
  • United operates 31 direct flights from Chicago, IL (ORD-O'Hare Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) every week.
  • Air Canada operates 26 direct flights from Chicago, IL (ORD-O'Hare Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) every week.
  • American Airlines operates 14 direct flights from Chicago, IL (ORD-O'Hare Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) every week.
  • All Nippon Airways operates 7 direct flights from Chicago, IL (ORD-O'Hare Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) every week.
How do I find cheap flights from Chicago, IL (ORD) to Montreal, QC (YUL)?
To find a cheap flight from Chicago, IL (ORD) to Montreal, QC (YUL), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Chicago, IL (ORD-O'Hare Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.)?
The cheapest months to fly from Chicago O'Hare International Airport (ORD) to Montreal Pierre Elliott Trudeau International Airport (YUL) are typically September and May, with average return flights around £264. However, the most popular months for this route are December and July, meaning you'll find plenty of flight options during those times. If you're looking for the best balance of good value and a wide selection of flights, consider travelling in the shoulder seasons when prices are more moderate and there are still many flights available.
What is the earliest flight from Chicago, IL (ORD-O'Hare Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.)?
The earliest flight from Chicago, IL (ORD-O'Hare Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) typically departs around 12:10 AM local time. This service is operated by American Airlines. This is a seasonal service, active only in January. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Chicago, IL (ORD-O'Hare Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.)?
A non-stop flight from Chicago, IL (ORD-O'Hare Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) typically takes around 2 hours 30 minutes. This route covers a distance of approximately 1,201 kilometers. If you opt for a flight with one stop, your travel time will be longer, usually around 5 hours. Flights with two or more stops generally take about 8 hours 30 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your journey.
Can you fly business or first class from Chicago, IL (ORD) to Montreal, QC (YUL)?
Select the "Business class" and "First class" filters when looking for Chicago, IL (ORD) to Montreal, QC (YUL) flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Chicago, IL (ORD-O'Hare Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) flight with Expedia?
It's easy to earn miles on a Chicago, IL (ORD-O'Hare Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Montreal, QC (YUL) from Chicago, IL (ORD)?
If you're planning to travel to Montreal from O'Hare Intl. (ORD), you can fly directly into Pierre Elliott Trudeau Intl. (YUL). Some flights may connect through major hubs like Detroit Metropolitan Wayne County (DTW), Pearson Intl. (YYZ), or Nashville Intl. (BNA) before reaching Montreal. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Chicago, IL (ORD-O'Hare Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) at the last minute?
Typically, booking a last minute flight from Chicago, IL (ORD-O'Hare Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Chicago, IL (ORD-O'Hare Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) flight and hotel package?
Securing a Chicago, IL (ORD-O'Hare Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Chicago, IL (ORD) to Montreal, QC (YUL)?
If you booked your Chicago, IL (ORD) to Montreal, QC (YUL) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
O'Hare Intl.
Destination airport
Pierre Elliott Trudeau Intl.
Airlines serving
Air Canada, WestJet
Roundtrip price
£190
Distance
1192 km
Average flight time
3 hours 24 mins

Book with confidence

Compare flights from Chicago to Montreal easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Chicago to Montreal. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Pierre Elliott Trudeau Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from O'Hare Intl. to Pierre Elliott Trudeau Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from O'Hare Intl. (ORD) to Pierre Elliott Trudeau Intl. (YUL)

The easiest way to view the best deals on flights from Chicago to Montreal today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from O'Hare Intl. to Pierre Elliott Trudeau Intl. start at just £264 and range up to £365.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Chicago and Montreal
  • booking your flight during February, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Chicago to Montreal flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from O'Hare Intl. to Pierre Elliott Trudeau Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Chicago to Montreal easily and book with confidence

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*Available to Expedia members.