Cheap flights from Chicago to Montreal

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Flight deals from Chicago to Montreal

Looking for a cheap last-minute deal or the best return flight from Chicago to Montreal? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Chicago to Montreal

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago to Montreal flights are currently cheapest in June.

Direct flights from Chicago to Montreal

Alternative Chicago to Montreal routes

Looking for the cheapest, fastest or easiest route from Chicago to Montreal? You could fly into the following airports instead.

Chicago to Montreal: Flight information

The things to know before you go.
Cheapest flight found$111
Cheapest month to flyJune
Average flight time2 hrs, 20 mins
Most popular airlineAir Canada
Average flights per week216

Finding cheap flights from Chicago to Montreal: Frequently asked questions

There are 3 airports in Montreal: Montreal St Hubert, Montreal Pierre Elliott Trudeau and Montreal Mirabel.
The best price we found for a return flight from Chicago to Montreal is $260. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 20 minutes is the average flight time from Chicago to Montreal.
Air Canada, United and Alaska Airlines fly direct from Chicago to Montreal.
As of April 2025, there are 216 flights per week flying from Chicago to Montreal.
The cheapest month to fly from Chicago to Montreal is usually April 2025.
If you're flying from Chicago, the cheapest airport near Montreal is Montreal Pierre Elliott Trudeau – which is 16.1 km away from the centre of Montreal. We've found flights into this airport from $260.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Chicago to Montreal on Wednesday, 4 June 2025.
Yes – the average flight time is 2 hours and 20 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Montreal but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Montreal is around 40 days in advance, so don’t leave your flight to the last minute.
In April, the average temperature is usually around 5°C. July is typically the warmest month in Montreal, when it usually averages around 25°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -17°C. The rainiest month is June.
The cheapest airline that flies to Montreal is Porter Airlines (Canada) Ltd. And the cheapest airline that flies to Montreal Pierre Elliott Trudeau Airport is Air Canada.

Travelling from Chicago to Montreal: what you need to know

  • Chicago has a couple of airports where you can start your adventure. Check out your options for booking a flight from Chicago to Montreal departing from O'Hare International Airport (ORD) or Chicago Midway International Airport (MDW).

  • Montreal-Pierre Elliott Trudeau International Airport (YUL) is where your flight will arrive in Montreal.

  • Jump on a direct Chicago to Montreal flight and you'll be in transit for an average of 2 hours 15 minutes.

  • The timezone in Montreal is UTC-4, which is one hour ahead of Chicago.

  • O'Hare International Airport (ORD) to Montreal-Pierre Elliott Trudeau International Airport (YUL) is the most traveled route between these two cities. There are 46 departures a week to choose from. If you have things to do before leaving, the last flight from Chicago to Montreal is with United Airlines at 18:04. Go for the first ORD to YUL departure with United Airlines at 07:17 to maximise your time in Montreal.

  • For a relaxed travel experience, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This will give you enough time to catch your Chicago to Montreal flight.

  • Popular months like August or holiday periods such as Christmas and New Year will mean longer waits at check-in and security. Play it safe and get to the terminal even earlier. Arriving two hours before domestic flights and four hours ahead of an international departure is a smart idea.

How to find the cheapest flights from Chicago to Montreal

  • To snag cheap Chicago to Montreal flights, book your journey two months ahead of your departure date.

  • The best month for picking up cheap plane tickets from Chicago to Montreal is May. Use the 'Whole month' tool to compare prices, then select the dates offering the lowest fares.

  • Getting a cheap flight from Chicago to Montreal is easy with Price Alerts. All you need to do is create one of these automatic alerts and we'll get in touch when there's a better deal.

  • Lock in a cheap Chicago to Montreal flight with the help of our filters. Choose your preferred departure time, duration and airlines, then sort the results by 'Cheapest' for the best deals.

Flying from Chicago

O'Hare International Airport (ORD)

  • You can catch a direct flight from Chicago to Montreal taking off from O'Hare International Airport (ORD). Start your trip at ORD and land at Montreal-Pierre Elliott Trudeau International Airport (YUL).

  • You'll have your choice of airlines that offer direct Chicago to Montreal plane tickets out of ORD. Claim your seat with one of these carriers:

  • Consider adding a stopover to potentially find a cheaper Chicago to Montreal flight. Just deselect 'Direct flights only' when searching for departures from O'Hare International Airport. Take a pause at one of these popular airports:

    • Pearson International Airport (YYZ)

    • Detroit Metropolitan Wayne County Airport (DTW)

    • Ottawa/Macdonald-Cartier International Airport (YOW)

  • Located around 26 kilometres from central Chicago, ORD can be reached in about 35 minutes by car, depending on traffic. The journey on public transport will take roughly 55 minutes.

  • Want a leisurely start to your holiday? Stay near O'Hare International Airport. Whether you're boarding an early flight from Chicago to Montreal or just don't like being rushed, these hotels are the answer:

  • When it comes to O'Hare International Airport's on-time performance, data shows 74.85% of flights meet their scheduled arrival time.

  • ORD's address is 10000 West O'Hare.

Chicago Midway International Airport (MDW)

  • Visit family or friends or just take some time to unwind with a stopover. If you'd like to break up your Chicago to Montreal flight, check out these options when departing from Chicago Midway International Airport:

    • Detroit Metropolitan Wayne County Airport (DTW)

    • Philadelphia International Airport (PHL)

    • LaGuardia Airport (LGA)

  • You can reach MDW from central Chicago in about 20 minutes by car (depending on traffic). The ride by public transport takes roughly 45 minutes to travel the 14 kilometres or so.

  • You're going on holiday, so why not extend it with an extra night away? Consider staying at one of these hotels near Chicago Midway International Airport the day before your flight from Chicago to Montreal:

  • When it comes to keeping flights punctual, Chicago Midway International Airport has an on-time arrival rate of 77.88%.

  • The street address for MDW is 5700 South Cicero.

Arriving in Montreal

Montreal-Pierre Elliott Trudeau International Airport (YUL)

  • The distance from Montreal-Pierre Elliott Trudeau International Airport (YUL) to central Montreal is roughly 16 kilometres. It'll take you about 25 minutes to reach the centre driving.

  • If you're travelling on public transport, expect a journey time of about 45 minutes.

  • If you're coming in on a late flight from Chicago to Montreal, few things beat the convenience of staying close to the terminal. Grab your bags from the carousel and then be showered and sleeping not long after at one of these accommodation options near YUL:

  • Get on the fast track to adventure by picking up a Montreal-Pierre Elliott Trudeau International Airport rental car. Grab a set of wheels from Avis, Alamo or Routes Car Rentals and experience the lesser-explored corners of Montreal and beyond.

  • To secure the lowest price, reserve your ride from Montreal-Pierre Elliott Trudeau International Airport around four weeks ahead of your Chicago to Montreal flight.

  • YUL is located at 975 Romeo Vachon Street North.

St. Hubert Airport (YHU)

  • As soon as your flight from Chicago to Montreal has touched down, you can get to the city centre in around 35 minutes by car. Central Montreal is roughly 26 kilometres from St. Hubert Airport (YHU).

  • The journey will take about 1 hour 45 minutes on public transport.

  • Grab a St. Hubert Airport rental car and set the course for your next destination. You can choose from leading outlets like Enterprise and Budget.

  • Get your ideal vehicle, not just what's left, by booking your ride from YHU before your arrival. You can also avoid paying more than you need to, especially during busy airport times.

Best time to go to Montreal

  • August is the busiest month for flights from Chicago to Montreal. To steer clear of the crowds, head to Montreal in February.

  • Lock in a Chicago to Montreal ticket departing in July if you want to visit the city during its warmest month. You can expect temperatures in Montreal to range from 14ºC (57ºF) to 28ºC (82ºF).

  • Search for cheap flights from Chicago to Montreal in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -19ºC (-2ºF) and -2ºC (28ºF) on average.

More about Montreal

Explore more of Canada

  • Montreal is always a good idea, but there are so many other parts of Canada you'll want to see. About 499 kilometres south-west of Montreal, a visit to Toronto will fill your itinerary to the brim. Check out popular attractions like CN Tower, Royal Ontario Museum and Go Tours Canada - Distillery District.

  • Around 153 kilometres west of Montreal, Ottawa is another essential stop in Canada. Experience major highlights starting with Parliament Hill, Rideau Canal and National Gallery of Canada.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.