Chicago O'Hare International Airport (ORD) serves Chicago; Montreal / Pierre Elliott Trudeau International Airport (YUL) serves Montreal.
The airports are 746 miles apart by great-circle distance.
Roame's current schedule feed shows nonstop service from ORD to YUL.
Marketing airlines listed in the current schedule, including codeshare sellers, are American Airlines (AA), Air Canada (AC), Alaska Airlines (AS), Avianca (AV), Finnair (AY), Copa Airlines (CM), Japan Airlines (JL), All Nippon Airways (NH), Air New Zealand (NZ), Porter Airlines (PD), Qantas (QF) and United Airlines (UA). This list does not identify the operating airline for each flight; check the flight details before booking.
Published schedule dates span Nov 2, 2026 – Oct 31, 2027.