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

Monday, December 28th, 2026

8 round-trip options

Returning
Sat, Jan 2, 2027•5 Day Trip
$809 USD
Google Flights
Returning
Sun, Jan 3, 2027•6 Day Trip
$767 USD
Google Flights
Returning
Tue, Jan 5, 2027•8 Day Trip
$749 USD
Google Flights
Returning
Wed, Jan 6, 2027•9 Day Trip
$792 USD
Google Flights
Returning
Thu, Jan 7, 2027•10 Day Trip
$775 USD
Google Flights
Returning
Sat, Jan 9, 2027•12 Day Trip
$682 USD
Google Flights
Returning
Sun, Jan 10, 2027•13 Day Trip
$686 USD
Google Flights
Returning
Mon, Jan 11, 2027•14 Day Trip
$631 USD
Google Flights