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, September 6th, 2026

8 round-trip options

Returning
Sat, Sep 12, 2026•6 Day Trip
$545 USD
Google Flights
Returning
Sun, Sep 13, 2026•7 Day Trip
$535 USD
Google Flights
Returning
Tue, Sep 15, 2026•9 Day Trip
$452 USD
Google Flights
Returning
Wed, Sep 16, 2026•10 Day Trip
$545 USD
Google Flights
Returning
Thu, Sep 17, 2026•11 Day Trip
$568 USD
Google Flights
Returning
Fri, Sep 18, 2026•12 Day Trip
$568 USD
Google Flights
Returning
Sat, Sep 19, 2026•13 Day Trip
$483 USD
Google Flights
Returning
Sun, Sep 20, 2026•14 Day Trip
$473 USD
Google Flights