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

Friday, September 18th, 2026

8 round-trip options

Returning
Thu, Sep 24, 2026•6 Day Trip
$736 USD
Google Flights
Returning
Fri, Sep 25, 2026•7 Day Trip
$736 USD
Google Flights
Returning
Sun, Sep 27, 2026•9 Day Trip
$505 USD
Google Flights
Returning
Mon, Sep 28, 2026•10 Day Trip
$543 USD
Google Flights
Returning
Tue, Sep 29, 2026•11 Day Trip
$484 USD
Google Flights
Returning
Wed, Sep 30, 2026•12 Day Trip
$484 USD
Google Flights
Returning
Thu, Oct 1, 2026•13 Day Trip
$600 USD
Google Flights
Returning
Fri, Oct 2, 2026•14 Day Trip
$687 USD
Google Flights