Flight tickets from Chicago O'Hare International to Montreal

Compare Chicago O'Hare International to Montreal flight deals

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

Book the best Montreal fare with no extra fees

Flight deals from Chicago O'Hare International to Montreal

Looking for a cheap last-minute deal or the best return flight from Chicago O'Hare International Airport to Montreal? If you want to travel next month, return fares start from ₹ 29,655. 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

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 flights are currently cheapest in October.

Direct flights from Chicago O'Hare International to Montreal

Alternative Chicago O'Hare International to Montreal routes

Looking for the cheapest, fastest or easiest route from Chicago O'Hare International 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₹ 11,888
Cheapest month to flyOctober
Average flight time2 hrs, 22 mins
Most popular airlineUnited
Average flights per week249

Finding cheap flights from Chicago O'Hare International 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 O'Hare International to Montreal is ₹ 29,004. 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 22 minutes is the average flight time from Chicago O'Hare International to Montreal.
United, Air Canada and Republic Airways fly direct from Chicago O'Hare International to Montreal.
As of May 2026, there are 249 flights per week flying from Chicago O'Hare International to Montreal.
The cheapest month to fly from Chicago O'Hare International to Montreal is usually October.
If you're flying from Chicago O'Hare International Airport, the cheapest airport near Montreal is Montreal St Hubert – which is 10.7 km away from the centre of Montreal. We've found flights into this airport from ₹ 29,004.
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 on Wednesday, 7 October 2026.
Yes – the average flight time is 2 hours and 22 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 May, the average temperature is usually around 12°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.
Currently, Porter Airlines and Air Canada offer the cheapest flight tickets to Montreal.

Travelling from Chicago O'Hare International Airport (ORD) to Montreal: what you need to know

  • Book a direct flight from Chicago O'Hare International Airport to Montreal and you'll be travelling for around 2 hours 40 minutes.

  • Chicago O'Hare International Airport is located in Chicago. Based in the UTC-5 timezone, Montreal is one hour ahead of Chicago.

  • Chicago O'Hare International Airport (ORD) to Montreal-Trudeau International Airport (YUL) is the most popular route, with 49 weekly flights to pick from. If you prefer a later start to the day, the last flight from ORD to YUL is with United Airlines at 18:05. Choose the first departure with United Airlines at 07:00 if you want to get on your way earlier.

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and one hour before domestic departures. This will give you plenty of time to board your ORD to Montreal flight.

  • You can expect longer lines during popular months such as July. Arriving up to four hours ahead of an international flight and two hours for a domestic departure is a smart move.

  • Start your journey at ORD and travel nonstop to Montreal-Trudeau International Airport (YUL). That's where you can expect to land when searching for Chicago O'Hare International Airport to Montreal tickets.

  • You'll have your pick of carriers that offer direct flights from Chicago O'Hare International Airport to Montreal. Get up and away with one of these:

  • We make it a breeze to book plane tickets from ORD to Montreal with a stopover. To see all your options, deselect 'Direct flights only.' Next, choose a flight that has a stop long enough to tour the city of your choice. Popular stopovers include:

    • Toronto Pearson International Airport (YYZ)

    • Detroit Metropolitan Wayne County Airport (DTW)

    • Ottawa Macdonald-Cartier International Airport (YOW)

  • Located around 26 kilometres from the centre of Chicago, ORD can be reached in about 30 minutes by car. Travelling on public transport takes roughly 45 minutes.

  • Searching for a hotel near ORD? If you've booked an early flight from Chicago O'Hare International Airport to Montreal, these accommodation options will put you moments from your departure gate:

  • Of all flights departing from Chicago O'Hare International Airport, 70% land on schedule at their destination.

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

How to find the cheapest flights from Chicago O'Hare International Airport (ORD) to Montreal

  • The best price we've found for a one-way Chicago O'Hare International Airport to Montreal flight is ₹ 11,888. The cheapest price for a return flight is ₹ 29,004. Remember fares can change due to availability at the time of booking.

  • To pick up cheap flights from ORD to Montreal, book early. Airlines generally offer the most competitive fares when flights first go on sale.

  • If you have flexibility with your travel dates, check out the 'Whole month' search tool. It'll find the lowest price across every month when looking for your Chicago O'Hare International Airport to Montreal ticket.

  • You don't need to check in daily to find out if fares have dropped when you create a Price Alert. We'll update you as soon as there's an updated deal for cheap flights from ORD to Montreal.

  • Pick your ideal arrival and departure times, airlines and number of stops with our filters. Then, sort the results for your flight from Chicago O'Hare International Airport to Montreal by 'Cheapest,' 'Best' or 'Fastest.'

Airports in Montreal

Montreal-Trudeau International Airport (YUL)

  • Montreal-Trudeau International Airport (YUL) to central Montreal takes about 25 minutes to reach by car. The centre is roughly 19 kilometres away.

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

  • The last thing you want is a long journey to your hotel if you're getting in late on a flight from Chicago O'Hare International Airport to Montreal. Check in to one of these accommodation options near YUL instead:

  • Reserving your vehicle from Montreal-Trudeau International Airport around four weeks in advance of your flight from ORD to Montreal can help you secure the lowest rate.

  • The address for YUL is 975 Romeo Vachon Street North.

Montreal Metropolitan Airport (YHU)

  • After your flight from Chicago O'Hare International Airport to Montreal has touched down, you can reach the city centre in about 25 minutes by car. Central Montreal is roughly 23 kilometres from Montreal Metropolitan Airport (YHU).

  • If you're travelling on public transport, it'll take around 1 hour.

  • You'll find some great places to drop your things at near YHU. Tuck yourself in and get cosy after your ORD to Montreal flight at any of these well-located options:

  • Typically, the sooner you book, the better the prices and vehicle selection. Lock in your ride from YHU as soon as you know your dates.

Best time to go to Montreal

  • July is the busiest month for flights from Chicago O'Hare International Airport to Montreal. To steer clear of the crowds, visit Montreal in January.

  • When booking your Chicago O'Hare International Airport to Montreal plane ticket, think about the kind of weather you prefer. July is the warmest month in Montreal, with temperatures ranging from 14ºC to 28ºC.

  • If you want to travel in cooler conditions, search for a cheap ticket from ORD to Montreal in January when temperatures average between -19ºC and -2ºC.

More about Montreal

  • After booking your flight from Chicago O'Hare International Airport to Montreal, find a hotel that keeps you close to what you want to see. Make one of these accommodation options your base for exploring Montreal:

  • Montreal Botanical Garden and Cirque du Soleil - KURIOS are just two of the major attractions to add to your Montreal itinerary. Keep the momentum going by heading to Saint Joseph's Oratory of Mount Royal.

Explore more of Canada

  • Montreal has its own special appeal, but there are so many other parts of Canada just waiting to be explored. Around 499 kilometres southwest of Montreal, a visit to Toronto will keep you on the go. Start with attractions like CN Tower, The Top CN Tower and Royal Ontario Museum.

  • If you're eager to discover another well-known destination in Canada, consider Ottawa, about 153 kilometres west of Montreal. Rideau Canal National Historic Site, Parliament Hill and Rideau Canal, Locks 1 - 8 - Ottawa are key highlights.

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