Cheap Flights from Chicago O'Hare International to Montreal Pierre Elliott Trudeau

Compare Chicago O'Hare International to Montreal Pierre Elliott Trudeau flight deals

Find the cheapest month or even day of the year to fly to Montreal Pierre Elliott Trudeau

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Flight deals from Chicago O'Hare International to Montreal Pierre Elliott Trudeau

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

Find the cheapest month to fly from Chicago O'Hare International to Montreal Pierre Elliott Trudeau

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chicago O'Hare International to Montreal Pierre Elliott Trudeau flights are currently cheapest in February.

Direct flights from Chicago O'Hare International to Montreal Pierre Elliott Trudeau

Chicago O'Hare International to Montreal Pierre Elliott Trudeau: Alternative routes

Compare routes from Chicago O'Hare International to Montreal below. You may find an airport to fly into that's cheaper, faster, or easier than Montreal Pierre Elliott Trudeau.

Chicago to Montreal: Flight information

The things to know before you go.
Cheapest flight foundRs17,843
Cheapest month to flyFebruary
Average flight time2 hrs, 18 mins
Most popular airlineAir Canada
Average flights per week292

Finding cheap flights from Chicago O'Hare International to Montreal Pierre Elliott Trudeau: Frequently asked questions

The best price we found for a return flight from Chicago O'Hare International to Montreal Pierre Elliott Trudeau is Rs45,667. 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 18 minutes is the average flight time from Chicago O'Hare International to Montreal Pierre Elliott Trudeau.
Air Canada, United and Alaska Airlines fly direct from Chicago O'Hare International to Montreal Pierre Elliott Trudeau.
As of December 2025, there are 45 flights per week flying from Chicago O'Hare International to Montreal Pierre Elliott Trudeau.
The cheapest month to fly from Chicago O'Hare International to Montreal Pierre Elliott Trudeau is usually February.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chicago O'Hare International Airport to Montreal Pierre Elliott Trudeau Airport on Tuesday, 10 February 2026.
Yes – the average flight time is 2 hours and 18 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 Pierre Elliott Trudeau 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.
Currently, Air Canada offers the cheapest flight tickets to Montreal Pierre Elliott Trudeau.

Flying from O'Hare International Airport (ORD) to Montreal-Pierre Elliott Trudeau International Airport (YUL): what you need to know

  • Around 2 hours 20 minutes is how long you can expect to be in the air on a direct flight from O'Hare International Airport to Montreal-Pierre Elliott Trudeau International Airport.

  • Montreal's timezone is UTC-4, making Montreal one hour ahead of Chicago.

  • Each week, there are 63 O'Hare International Airport to Montreal-Pierre Elliott Trudeau International Airport flights. If you want to jet off as soon as possible, go for the 07:17 United Airlines flight. If you'd rather make the most of your day before you fly, the last flight is at 18:04 with United Airlines.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This way, you'll have plenty of time to board your ORD to YUL flight.

  • You can expect longer lines in popular months like August. Arriving up to four hours in advance for an international flight and two hours for domestic departures will help ensure a smooth travel experience.

  • With direct flights from O'Hare International Airport to Montreal-Pierre Elliott Trudeau International Airport operated by a number of airlines, flying to Montreal (and then other parts of Canada) is easy. Here's who you can travel nonstop with:

  • The airline most travellers fly with on this route is American Airlines.

  • With 72.22% of services arriving as scheduled, American Airlines is the most punctual carrier offering ORD to YUL flights.

  • If you'd like to explore another city along the way, simply uncheck 'Direct flights only' when searching for your ticket from O'Hare International Airport to Montreal-Pierre Elliott Trudeau International Airport. Here are the top stopovers between ORD and YUL:

    • Pearson International Airport

    • Detroit Metropolitan Wayne County Airport

    • Ottawa/Macdonald-Cartier International Airport

How to find the cheapest flights from O'Hare International Airport (ORD) to Montreal-Pierre Elliott Trudeau International Airport (YUL)

  • At the moment, Rs17,843 is the cheapest price we've seen for a one-way O'Hare International Airport to Montreal-Pierre Elliott Trudeau International Airport flight. The best price for a return plane ticket is Rs45,667. Keep in mind that fares may change due to demand at the time of booking.

  • To score cheap tickets from ORD to YUL, book your journey six months ahead of your departure date.

  • The cheapest month for flights from O'Hare International Airport to Montreal-Pierre Elliott Trudeau International Airport is May. Use the 'Whole month' tool to find the lowest prices if you have a flexible travel schedule.

  • Snapping up cheap flights from ORD to YUL is a cinch with Price Alerts. Simply set up one of these automatic alerts and we'll let you know as soon as a new discounted fare appears.

  • Discover the ideal flight for you with the help of the filters. To see the 'Best,' 'Fastest' or 'Cheapest' flights from O'Hare International Airport to Montreal-Pierre Elliott Trudeau International Airport, use the 'Sort by' function. You can also filter results by airline, arrival and departure times, and journey duration.

Handy information about O'Hare International Airport (ORD)

  • ORD is located at 10000 West O'Hare.

  • Of the flights that depart from O'Hare International Airport, 74.85% touch down on time at their destination.

  • O'Hare International Airport is around 40 kilometres from central Chicago. If you're driving, catching a cab or ride-sharing from the centre, it'll take you 35 minutes or so to arrive, depending on the traffic.

  • Taking public transport? Expect a journey time of around 55 minutes.

  • Have an early flight from O'Hare International Airport to Montreal-Pierre Elliott Trudeau International Airport? Avoid rushing to the terminal (and catch some extra z's) by picking one of these hotels close to ORD:

Arriving at Montreal-Pierre Elliott Trudeau International Airport (YUL)

Getting from Montreal-Pierre Elliott Trudeau International Airport (YUL) to central Montreal

  • YUL is located at 975 Romeo Vachon Street North.

  • Montreal-Pierre Elliott Trudeau International Airport is roughly 26 kilometres from central Montreal. The drive time takes about 25 minutes.

  • When travelling by public transport, expect a journey of around 2 hours 15 minutes.

When to fly to Montreal-Pierre Elliott Trudeau International Airport (YUL)

  • August is the most popular month for flights from O'Hare International Airport to Montreal-Pierre Elliott Trudeau International Airport. For a quieter experience, visit Montreal in February.

  • When booking your flight from O'Hare International Airport to Montreal-Pierre Elliott Trudeau International Airport, think about the type of weather you enjoy. July is the warmest month in Montreal, with the temperature ranging from 14ºC to 28ºC.

  • Search for cheap tickets from ORD to YUL in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between -19ºC and -2ºC on average.

Explore more of Canada

  • Toronto is just one of the many cities in Canada waiting to be discovered after you've experienced Montreal. Around 499 kilometres away to the south-west, popular attractions include CN Tower, Royal Ontario Museum and Go Tours Canada - Distillery District.

  • If you want to check out another major destination in Canada, head for Ottawa, about 153 kilometres west of Montreal. Parliament Hill, Rideau Canal and National Gallery of Canada are among the biggest draws.

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