Montreal (YUL) to Chicago (ORD) flight deal in business from $426

American AirlinesAAAmerican Airlines
Round Trip•Business Class
CanadaYUL

Montréal-Pierre Elliott Trudeau International Airport

Montreal, Canada
United StatesORD

O'Hare International Airport

Chicago, United States
$563 USD
-24%$426 USD
Verified 13 days ago
Fair Availability
23% of dates checked are available within 10% of the lowest price

Sunday, December 20th, 2026

8 round-trip options

Returning
Fri, Dec 25, 2026•5 Day Trip
$702 USD
Google Flights
Returning
Sat, Dec 26, 2026•6 Day Trip
$680 USD
Google Flights
Returning
Mon, Dec 28, 2026•8 Day Trip
$686 USD
Google Flights
Returning
Tue, Dec 29, 2026•9 Day Trip
$736 USD
Google Flights
Returning
Wed, Dec 30, 2026•10 Day Trip
$674 USD
Google Flights
Returning
Fri, Jan 1, 2027•12 Day Trip
$767 USD
Google Flights
Returning
Sat, Jan 2, 2027•13 Day Trip
$801 USD
Google Flights
Returning
Sun, Jan 3, 2027•14 Day Trip
$838 USD
Google Flights