Cheap Flights from Chicago to Montreal

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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

Book the best Montreal Pierre Elliott Trudeau fare with no extra fees

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 May.

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 found$338
Cheapest month to flyMay
Average flight time2 hrs, 20 mins
Most popular airlineAir Canada
Average flights per week221

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 $338. 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 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 March 2025, there are 221 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 March 2025.
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 Sunday, 4 May 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 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

  • A direct flight from O'Hare International Airport to Montreal-Pierre Elliott Trudeau International Airport takes on average 2 hours 18 minutes. The timezone in Montreal is UTC-4, which makes it 1 hour ahead of Chicago.

  • Each week, there are 63 flights from O'Hare International Airport to Montreal-Pierre Elliott Trudeau International Airport. If you'd like to get going as early as possible, jump on the 06:00 United Airlines flight. If you're keen to make the most of your time before you fly, the last flight from ORD to YUL is 19:45 with Air Canada.

  • During popular months such as August, you'll want to get to the airport earlier than usual. Arrive two hours before domestic departures and four hours ahead for an international flight whenever you're flying during a high season in general.

  • A number of airlines offer direct flights from O'Hare International Airport to Montreal-Pierre Elliott Trudeau International Airport, so jetting to Montreal (and then visiting more of Canada!) is easy. Leading carriers that fly between ORD and YUL include:

  • To break up your flight from O'Hare International Airport to Montreal-Pierre Elliott Trudeau International Airport, add a stopover to your trip. Just uncheck 'Direct flights only' to find a destination that interests you. Popular stopovers on the ORD - YUL route include:

    • Detroit Metropolitan Wayne County Airport

    • Ottawa/Macdonald-Cartier International Airport

    • Pearson International Airport

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

  • $171 is the best price for a one-way ticket from O'Hare International Airport to Montreal-Pierre Elliott Trudeau International Airport. Return flights start at $338. These fares can change based on availability and demand.

  • To get cheap flight tickets from ORD to YUL, reserve your journey 9 months ahead of your departure.

  • May is the cheapest month for tickets from O'Hare International Airport to Montreal-Pierre Elliott Trudeau International Airport. If you want to fly at a different time of year, the 'Whole month' tool will show you the lowest airfares for every month.

  • Log into your online account or use the app to create a Price Alert. We'll get in touch straight away if there's a better deal on this route. It doesn't take long, and it'll save you time searching for cheap flight tickets from ORD to YUL every day.

  • Use filters to tailor your flights from O'Hare International Airport to Montreal-Pierre Elliott Trudeau International Airport. Simply select your ideal arrival and departure times, airlines and number of stops. Or sort your results by 'Cheapest' to get the best deals.

Handy information about O'Hare International Airport (ORD)

  • Travelling from central Chicago to O'Hare International Airport takes about 54 minutes by public transport. If you drive, ride-share or take a cab, you'll cover the 40 kilometres in 35 minutes or so, depending on traffic.

  • Catching an early flight from O'Hare International Airport to Montreal-Pierre Elliott Trudeau International Airport? Avoid the hassle of rushing to the airport (and enjoy a little extra shut-eye) by picking one of these stays close to ORD:

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

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

  • From Montreal-Pierre Elliott Trudeau International Airport, Montreal is approximately 26 kilometres away. It takes around 25 minutes to reach the centre driving.

  • It typically takes 2 hours and 15 minutes to get there by public transport.

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

  • August is the busiest month for flights from O'Hare International Airport to Montreal-Pierre Elliott Trudeau International Airport. To steer clear of the crowds, travel to Montreal in February.

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

  • If you'd rather travel in cooler conditions, look for a cheap ticket from ORD to YUL in January. Average temperatures are between -19ºC and -2ºC then.

More about Montreal

  • Start your Montreal trip right by finding an amazing place to stay. As soon as you've booked your flight from ORD to YUL, explore our selection of accommodation options including:

  • Mount Royal Park and Montreal Botanical Garden are just the start of the major attractions to put on your Montreal itinerary. Keep the adventure rolling by checking out Saint Joseph's Oratory of Mount Royal.

Complete your Montreal trip with hotels and a car rental

  • We've got more party tricks than just comparing flights. Once you've secured your cheap ticket to Montreal-Pierre Elliott Trudeau International Airport, check out our car rental deals that'll give you the flexibility and freedom to see the sights at your own pace. Then, take a look at our exclusive rates for hotels to find the perfect Montreal stay.

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