$64 Cheap Flights from Chicago (ORD) to Montreal (YUL)

View $64 flight on Sun, Nov 2, 2025Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Montreal–Trudeau Intl. Airport (YUL)

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Cheap Flights from Chicago to Montreal (ORD-YUL)

Prices were available within the past 7 days and start at $64 for one-way flights and $170 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Nov 7 - Sun, Nov 9
ORD
Chicago
YUL
Montreal
$170 Roundtrip, found 5 hours ago
$170
Roundtrip
found 5 hours ago
Select United flight, departing Fri, Nov 7 from Chicago to Montreal, returning Sun, Nov 9, priced at $170 found 5 hours ago
Air Canada
Wed, Nov 12 - Fri, Nov 14
ORD
Chicago
YUL
Montreal
$173 Roundtrip, found 7 hours ago
$173
Roundtrip
found 7 hours ago
Select Air Canada flight, departing Wed, Nov 12 from Chicago to Montreal, returning Fri, Nov 14, priced at $173 found 7 hours ago
Air Canada
Wed, Nov 12 - Fri, Nov 14
ORD
Chicago
YUL
Montreal
$173 Roundtrip, found 7 hours ago
$173
Roundtrip
found 7 hours ago
Select Air Canada flight, departing Wed, Nov 12 from Chicago to Montreal, returning Fri, Nov 14, priced at $173 found 7 hours ago
American Airlines
Wed, Nov 12 - Fri, Nov 14
ORD
Chicago
YUL
Montreal
$174 Roundtrip, found 7 hours ago
$174
Roundtrip
found 7 hours ago
Select American Airlines flight, departing Wed, Nov 12 from Chicago to Montreal, returning Fri, Nov 14, priced at $174 found 7 hours ago
Air Canada
Fri, Nov 7 - Sun, Nov 9
ORD
Chicago
YUL
Montreal
$182 Roundtrip, found 5 hours ago
$182
Roundtrip
found 5 hours ago
Select Air Canada flight, departing Fri, Nov 7 from Chicago to Montreal, returning Sun, Nov 9, priced at $182 found 5 hours ago
American Airlines
Tue, Sep 16 - Mon, Sep 22
ORD
Chicago
YUL
Montreal
$182 Roundtrip, found 6 days ago
$182
Roundtrip
found 6 days ago
Select American Airlines flight, departing Tue, Sep 16 from Chicago to Montreal, returning Mon, Sep 22, priced at $182 found 6 days ago
American Airlines
Sat, Nov 1 - Tue, Nov 4
ORD
Chicago
YUL
Montreal
$183 Roundtrip, found 19 hours ago
$183
Roundtrip
found 19 hours ago
Select American Airlines flight, departing Sat, Nov 1 from Chicago to Montreal, returning Tue, Nov 4, priced at $183 found 19 hours ago
Air Canada
Wed, Oct 29 - Tue, Nov 4
ORD
Chicago
YUL
Montreal
$184 Roundtrip, found 6 hours ago
$184
Roundtrip
found 6 hours ago
Select Air Canada flight, departing Wed, Oct 29 from Chicago to Montreal, returning Tue, Nov 4, priced at $184 found 6 hours ago
Air Canada
Tue, Nov 18 - Wed, Nov 19
ORD
Chicago
YUL
Montreal
$188 Roundtrip, found 5 days ago
$188
Roundtrip
found 5 days ago
Select Air Canada flight, departing Tue, Nov 18 from Chicago to Montreal, returning Wed, Nov 19, priced at $188 found 5 days ago
Delta
Wed, Nov 12 - Fri, Nov 14
ORD
Chicago
YUL
Montreal
$195 Roundtrip, found 7 hours ago
$195
Roundtrip
found 7 hours ago
Select Delta flight, departing Wed, Nov 12 from Chicago to Montreal, returning Fri, Nov 14, priced at $195 found 7 hours ago

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

September is typically the cheapest month to fly

From $162 - $454 per traveler.

Graph displaying average flight prices per month

Alternative airports near Montreal

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Pierre Elliott Trudeau Intl. YUL. Cheapest and Closest option available. Average driving time to city center is 17 minutes. Flights from $594
YUL
Pierre Elliott Trudeau Intl.
CheapestClosest
Average driving time to city center17 min
Flights from $594
Flights from Chicago (ORD) to Montreal (YUL)
Origin airport
O'Hare Intl.
Destination airport
Pierre Elliott Trudeau Intl.
Airlines serving
Air Canada, American Airlines, Delta, United, WestJet
Roundtrip price
$169
Distance
745 mi
Average flight time
3 hours 17 mins

Chicago to Montreal Flights

The cheapest times to fly from Chicago to Montreal

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Chicago to Montreal are during the month of November. You can find some of the cheapest flights from Chicago to Montreal with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chicago to Montreal

Sunday is one of the best days to book for cheap flights from Chicago to Montreal: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Chicago to Montreal

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Chicago to Montreal in 2025. You can also book with separate airlines for your outbound and return journeys, from $64 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Chicago to Montreal flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Chicago to Montreal airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Pierre Elliott Trudeau Intl. Airport (YUL) cost?
You can find affordable return tickets from O'Hare Intl. Airport (ORD) to Pierre Elliott Trudeau Intl. Airport (YUL) starting at $182. Book your seat and start your adventure. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a American Airlines and Air Canada flight leaving ORD on July 21 2025 and touching down at YUL. The price was last updated on July 13 2025 and has not changed since.
What is the cheapest month to fly from ORD to YUL?
The cheapest flights from ORD to YUL are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from O'Hare Intl. Airport (ORD) to Pierre Elliott Trudeau Intl. Airport (YUL)?
When heading out of O'Hare Intl. Airport (ORD), you can catch a nonstop flight to Pierre Elliott Trudeau Intl. Airport (YUL) with Air Canada.
What is the cheapest airline that flies from ORD to YUL?
With prices starting from $75 for a one-way flight from ORD to YUL, American Airlines is currently the cheapest airline flying this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from ORD on October 5 2025. Prices were last updated on July 13 2025 and have not changed since.
How many flights per day from O'Hare Intl. Airport (ORD) to Pierre Elliott Trudeau Intl. Airport (YUL)?
Every day, an average of 5 nonstop flights take off from O'Hare Intl. Airport (ORD) to Pierre Elliott Trudeau Intl. Airport (YUL). Choose the departure that best fits your schedule.
What are the most popular departure times for flights from O'Hare Intl. Airport (ORD) to Pierre Elliott Trudeau Intl. Airport (YUL)?
More passengers fly between ORD and YUL at 7 AM than at any other point in the day. Looking to skip the crowds? Pick a flight outside the busiest times and you could save on your fare as well.
What day of the week has the most flights from ORD to YUL?
Sunday offers the most flights from O'Hare Intl. Airport (ORD) to Pierre Elliott Trudeau Intl. Airport (YUL). Consider traveling on this day and you'll have the best chance of finding a departure that fits your itinerary.
What is the earliest flight from O'Hare Intl. Airport (ORD) to Pierre Elliott Trudeau Intl. Airport (YUL)?
The earliest flight out of O'Hare Intl. Airport (ORD) is at around 7:20AM UTC-6. Board this flight and you'll arrive at Pierre Elliott Trudeau Intl. Airport (YUL) at approximately 10:32AM UTC-5. The overall travel time is 2h 12m.
How long does it take to fly from O'Hare Intl. Airport (ORD) to Pierre Elliott Trudeau Intl. Airport (YUL)?
Flights from ORD to YUL have an average travel time of 2 hours and 13 minutes. The distance between the two is 750 mi.
What airline has the least delays from ORD to YUL?
With 94% of flights usually arriving on schedule, Alaska Airlines has the best on-time performance for nonstop flights from O'Hare Intl. Airport (ORD) to Pierre Elliott Trudeau Intl. Airport (YUL). To check your flight status and receive notifications about any changes, use the Expedia App.
What is the best time to fly from O'Hare Intl. Airport (ORD) to Pierre Elliott Trudeau Intl. Airport (YUL)?
To reach Pierre Elliott Trudeau Intl. Airport (YUL) without delays, book a flight that leaves from O'Hare Intl. Airport (ORD) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Montreal from O'Hare Intl. Airport (ORD)?
If you're traveling on a direct flight from O'Hare Intl. Airport (ORD) to Montreal, Pierre Elliott Trudeau Intl. Airport (YUL) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from O'Hare Intl. Airport (ORD) to Pierre Elliott Trudeau Intl. Airport (YUL) last-minute?
Booking your flight from ORD to YUL right before your journey is generally more expensive. But if there's some wiggle room with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book an ORD to YUL flight and hotel package?
Securing an ORD to YUL flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our extensive range of hotels and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Pierre Elliott Trudeau Intl. Airport (YUL)?
It's usually possible to reschedule or cancel your ORD to YUL flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more details on our Customer Service portal.

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