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

Travellers and cabin class

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

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

Book the best Chicago O'Hare International fare with no extra fees

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

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

Find the cheapest month to fly from Montreal Pierre Elliott Trudeau 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 Pierre Elliott Trudeau to Chicago O'Hare International flights are currently cheapest in September.

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

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

Compare routes from Montreal Pierre Elliott Trudeau 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 foundRs26,366
Cheapest month to flySeptember
Average flight time2 hrs, 38 mins
Most popular airlineAir Canada
Average flights per week225

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

The best price we found for a return flight from Montreal Pierre Elliott Trudeau to Chicago O'Hare International is Rs43,777. 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 38 minutes is the average flight time from Montreal Pierre Elliott Trudeau to Chicago O'Hare International.
Air Canada, United and Alaska Airlines fly direct from Montreal Pierre Elliott Trudeau to Chicago O'Hare International.
As of May 2025, there are 225 flights per week flying from Montreal Pierre Elliott Trudeau to Chicago O'Hare International.
The cheapest month to fly from Montreal Pierre Elliott Trudeau to Chicago O'Hare International is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Montreal Pierre Elliott Trudeau Airport to Chicago O'Hare International Airport on Sunday, 14 September 2025.
Yes – the average flight time is 2 hours and 38 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.
Currently, Air Canada offers the cheapest flight tickets to Chicago O'Hare International.

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

  • Around 2 hours 40 minutes is how long you'll be travelling on a direct flight from Montreal-Pierre Elliott Trudeau International Airport to O'Hare International Airport.

  • The timezone in Chicago is UTC-5, which is one hour behind Montreal.

  • Flights from YUL to ORD start from 06:00 — the earliest with United Airlines. The last departure is at 19:45 with Air Canada. In total, you can take your pick of 63 weekly Montreal-Pierre Elliott Trudeau International Airport to O'Hare International Airport flights.

  • To ensure you catch your YUL to ORD flight, leave plenty of time to navigate the airport and find your gate. Turning up two hours ahead of international departures and an hour before domestic flights is the general travel rule.

  • During popular months such as August, it's best to get to the airport earlier than usual. Plan to arrive two hours before a domestic departure and four hours ahead of an international flight whenever you're flying during a high season in general.

  • You'll find a variety of airlines offering direct flights from Montreal-Pierre Elliott Trudeau International Airport to O'Hare International Airport. When you're ready to kick off your Chicago holiday, let one of these carriers take you to this memorable corner of United States:

  • American Airlines is the most frequently booked airline on this route.

  • American Airlines is the most punctual carrier that operates YUL to ORD flights. An exceptional 83.33% of its services on this route land on time.

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

  • Rs26,366 is currently the lowest price for a one-way Montreal-Pierre Elliott Trudeau International Airport to O'Hare International Airport flight. A return flight starts from Rs43,777. These prices can change based on availability and demand.

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

  • May is the cheapest month for flights from Montreal-Pierre Elliott Trudeau International Airport to O'Hare International Airport. If you're looking to travel at a different time of year, the 'Whole month' tool will give you the lowest airfares for each month.

  • There's no need to check back in every day to see if fares have gone down when you set up a Price Alert. We'll send you an update as soon as there's a change in price on cheap flights from YUL to ORD.

  • Tailor your trip using filters. Choose your ideal departure and arrival times, total journey duration and airlines. You can also sort the results by 'Best,' 'Fastest' or 'Cheapest' flights from Montreal-Pierre Elliott Trudeau International Airport to O'Hare International Airport.

Handy information about Montreal-Pierre Elliott Trudeau International Airport (YUL)

  • YUL's address is 975 Romeo Vachon Street North.

  • Of the flights that depart from Montreal-Pierre Elliott Trudeau International Airport, 64.89% arrive on time at their destination.

  • Montreal-Pierre Elliott Trudeau International Airport is about 26 kilometres from central Montreal. If you're driving, catching a cab or ride-sharing from the centre, it'll take you 25 minutes or so to get there, depending on the traffic.

  • The journey when using public transport will take about 2 hours 15 minutes.

  • Need a handy hotel near YUL? If you're catching an early flight from Montreal-Pierre Elliott Trudeau International Airport to O'Hare International Airport, these stays will have you sleeping moments from your check-in counter:

Arriving at O'Hare International Airport (ORD)

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

  • The street address for ORD is 10000 West O'Hare.

  • O'Hare International Airport to the centre of Chicago has a drive time of about 35 minutes. It's approximately 40 kilometres away.

  • Getting there by public transport takes around 55 minutes.

When to fly to O'Hare International Airport (ORD)

  • August is the busiest month for flights from Montreal-Pierre Elliott Trudeau International Airport to O'Hare International Airport. To avoid the crowds, go to Chicago in January.

  • Before locking in your flight from Montreal-Pierre Elliott Trudeau International Airport to O'Hare International Airport, think about the type of weather you enjoy. July is the warmest month in Chicago, with temperatures ranging from 15ºC to 29ºC.

  • January sees average temperatures of between -12ºC and 3ºC. Look for cheap tickets from YUL to ORD around that time if you want to travel when it's cooler.

Explore more of United States

  • You've done Chicago, now it's time to discover more of United States. Journey around 451 kilometres south-east to Columbus to tick off its top sights. From Franklin Park Conservatory and Botanical Gardens to Ohio Statehouse and German Village, you'll have a full itinerary ahead.

  • Around 257 kilometres south-east of Chicago, Indianapolis is another favourite stop in United States. No visit is complete without checking out The Children's Museum of Indianapolis, Indianapolis Museum of Art and Indianapolis Zoo.

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