The cheapest times to fly from ORD to YUL are

  • August 20th to April 8th (except the weeks of August 27th, October 8th, December 17th, December 24th, January 1st, March 5th, and March 19th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from ORD to YUL is mid to late September. Prices can be as high as $448 for Sunday flights during late July, or as low as $350 for Tuesday flights around mid to late September.


When to Fly to Montreal

Flying from Chicago, IL (ORD) to Montreal (YUL) will usually cost between $357 to $420 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid to late September with an average ticket price of $356. Due to high demand the most expensive time to fly is late July, with an average price of $420. Planning your trip to low-cost times can easily save you $64 on economy flights and even more on first-class flights. Generally, any price below $376 can be considered a good price for a round-trip ORD to YUL flight.

See below for a graph of average weekly prices for the ORD to YUL route. All prices are for round-trip tickets in USD.

ORD to YUL Flight Prices

Compared to other flights, the ORD to YUL flight is much cheaper than the average and costs much less than the average flight leaving from Chicago. The average price per mile (for a direct flight) is $0.31, which is in the normal range for a flight.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to YUL, and Wednesday the cheapest day to fly back into ORD. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $23 (6%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $368. Return trip prices are from the YUL to ORD flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from ORD to YUL can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 2 hour 19 minutes may be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is a nonstop flight from ORD to YUL while comparing.

Destination alternative #1: Ogdensburg International Airport (OGS) in Ogdensburg, NY

  • 100 miles (161 km) away from YUL
  • Usually 38.62% less expensive than YUL
  • Nonstop flights available

See ORD to OGS flights

Destination alternative #2: Burlington International Airport (BTV) in Burlington, VT

  • 75 miles (121 km) away from YUL
  • Usually 19.57% less expensive than YUL
  • Nonstop flights available

See ORD to BTV flights

Destination alternative #3: Ottawa Macdonald Cartier International Airport (YOW) in Ottawa

  • 94 miles (151 km) away from YUL
  • Usually 6.13% less expensive than YUL
  • Nonstop flights available

See ORD to YOW flights


Flight Questions Answered

Still have questions about flying from ORD to YUL? We’ve got answers.

Which airlines fly this route?

You can find 9 major airlines flying this route most often: Air Canada, Alaska, American, Delta, Qantas, Singapore Airlines, Southwest, United, WestJet, and potentially more during busy seasons.

How far away is it from Pierre Elliott Trudeau International Airport to Chicago O’Hare International Airport?

The distance between the two airports is roughly 746 miles or 1201 kilometers.

How long does it take to fly from ORD to YUL?

The real-world flight time for a nonstop ORD to YUL flight is about 2 hour 19 minutes.

How many flights go between Chicago, IL and Montreal?

It depends on the day of the week and the date, but a typical day might have around 41 available flights from ORD to YUL.


Airport Location Info


Departing Airport

Origination code ORD
Origination airport name Chicago O’Hare International Airport
City Chicago, IL
Country the United States
Latitude 42
Longitude -87.9

Return Airport

Destination code YUL
Destination airport name Pierre Elliott Trudeau International Airport
City Montreal
Country Canada
Latitude 45.5
Longitude -73.7


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.