Flight tickets from Montreal to Chicago O'Hare International

Compare Montreal to Chicago O'Hare International flight deals

Find the cheapest month or even day of the year to fly to Chicago O'Hare International

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Flight deals from Montreal to Chicago O'Hare International

Looking for a cheap last-minute deal or the best return flight from Montreal to Chicago O'Hare International Airport? If you want to travel next month, return fares start from ₹ 27,230. Find the lowest prices on one-way and return tickets right here.

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

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

Direct flights from Montreal to Chicago O'Hare International

Montreal to Chicago O'Hare International: Alternative routes

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

Montreal to Chicago: Flight information

The things to know before you go.
Cheapest flight found₹ 14,952
Cheapest month to flyDecember
Average flight time2 hrs, 43 mins
Most popular airlineAir Canada
Average flights per week261

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

The best price we found for a return flight from Montreal to Chicago O'Hare International is ₹ 26,977. 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 43 minutes is the average flight time from Montreal to Chicago O'Hare International.
Air Canada, United and Jazz Air fly direct from Montreal to Chicago O'Hare International.
As of May 2026, there are 261 flights per week flying from Montreal to Chicago O'Hare International.
The cheapest month to fly from Montreal to Chicago O'Hare International is usually May.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Montreal to Chicago O'Hare International Airport on Saturday, 23 May 2026.
Yes – the average flight time is 2 hours and 43 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 Chicago O'Hare International 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 Chicago is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Chicago O'Hare International is Air Canada .

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

  • Montreal's main base, Montreal-Trudeau International Airport (YUL), is where countless incredible trips begin. Explore the departure options from here when searching for a flight from Montreal to Chicago O'Hare International Airport (ORD).

  • The average duration of a direct Montreal to Chicago O'Hare International Airport flight is 2 hours 40 minutes.

  • Chicago is one hour behind Montreal. Chicago O'Hare International Airport is located in Chicago, which is in the UTC-6 timezone.

  • Montreal-Trudeau International Airport (YUL) to Chicago O'Hare International Airport (ORD) is the most popular route. There are 49 direct weekly flights to pick from. If you have things to do before heading off, hop on the last flight with Air Canada at 6:50pm. Go for the first YUL to ORD departure with United Airlines at 6am if you'd rather get a move on.

  • Get to the airport on time so you don't miss your flight from Montreal to ORD. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.

  • You'll likely experience bigger queues in popular months such as July and other peak periods. Arriving up to four hours ahead of international flights and two hours for domestic departures will help ensure a smooth travel experience.

Airports in Montreal

Montreal-Trudeau International Airport (YUL)

  • Fly without interruptions from Montreal-Trudeau International Airport (YUL). Nonstop flights from Montreal to Chicago O'Hare International Airport (ORD) can be booked from here.

  • You'll have your choice of airlines operating direct flights from Montreal to Chicago O'Hare International Airport leaving from YUL. Head off on your trip with any of these:

  • Most travellers choose to fly with Air Canada from YUL to ORD.

  • Among carriers operating on this route, American Airlines leads the way for on-time arrivals.

  • The journey from central Montreal to YUL takes about 45 minutes by public transport. If you ride-share, drive or grab a taxi, you'll cover the 19 kilometres in 25 minutes or so, depending on traffic conditions.

  • In search of a comfortable hotel close to Montreal-Trudeau International Airport? If you've booked an early flight from Montreal to Chicago O'Hare International Airport, these accommodation options will put you moments from your departure lounge:

  • 67% of flights taking off from Montreal-Trudeau International Airport touch down at their destination on time.

  • YUL is located at 975 Romeo Vachon Street North.

Montreal Metropolitan Airport (YHU)

About Chicago O'Hare International Airport (ORD)

Getting from Chicago O'Hare International Airport (ORD) to central Chicago

  • Chicago O'Hare International Airport is around 27 kilometres from central Chicago. It takes around 30 minutes or so to get to the city by car.

  • It typically takes 45 minutes to get there using public transport.

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

  • Right now, ₹ 14,952 is the best price we've found for a one-way ticket from Montreal to Chicago O'Hare International Airport. The cheapest price for a return flight is ₹ 27,076. Keep in mind fares may change due to demand at the time of booking.

  • Booking ahead of time is often the key to finding a cheap flight from Montreal to ORD. Fares tend to rise as demand increases, so the closer your departure date, the more you'll likely spend.

  • Cheap Montreal to Chicago O'Hare International Airport tickets are easier to find if your travel dates are flexible. Use the 'Whole month' tool to compare fares across every month and then fly out on the cheapest day.

  • There's no need to check every day to find out if prices have dropped when you create a Price Alert. We'll notify you when there's a better deal on plane tickets from Montreal to ORD.

  • Filters make it easier to land a deal on your flight from Montreal to Chicago O'Hare International Airport. Pick the departure times, carriers and stops that line up with your plans. Then sort the results by 'Cheapest' to find the best price quickly.

The best time to fly from Montreal to Chicago O'Hare International Airport (ORD)

  • Think about the kind of experience you want when deciding your trip dates. January is the quietest month to go to Chicago. July is when most people book flights from Montreal to Chicago O'Hare International Airport (ORD), which may be perfect if you enjoy travelling when it's busier.

  • Book a Montreal to ORD plane ticket departing in July if you're eager to visit the city during its warmest month. You can expect temperatures in Chicago to range from 16ºC to 28ºC.

  • Look for cheap tickets from Montreal to Chicago O'Hare International Airport in January if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between -12ºC and 3ºC.

More about Chicago

Explore more of the United States

  • Chicago will leave a lasting impression, but there are so many other parts of the United States just waiting to be discovered. About 290 kilometres southeast of Chicago, a visit to Indianapolis will keep you on the go. Check out popular attractions like Lucas Oil Stadium, Eiteljorg Museum and The Children's Museum of Indianapolis.

  • If there's time to check out another major stop in the United States, consider Milwaukee, about 121 kilometres north of Chicago. Richards Duplex Apartments by Frank Lloyd Wright, Miller Park and Milwaukee County Zoo are the start of reasons to visit.

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