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

Tuesday, September 22nd, 2026

8 round-trip options

Returning
Mon, Sep 28, 2026•6 Day Trip
$484 USD
Google Flights
Returning
Tue, Sep 29, 2026•7 Day Trip
$426 USD
Google Flights
Returning
Thu, Oct 1, 2026•9 Day Trip
$541 USD
Google Flights
Returning
Fri, Oct 2, 2026•10 Day Trip
$628 USD
Google Flights
Returning
Sat, Oct 3, 2026•11 Day Trip
$426 USD
Google Flights
Returning
Sun, Oct 4, 2026•12 Day Trip
$447 USD
Google Flights
Returning
Mon, Oct 5, 2026•13 Day Trip
$484 USD
Google Flights
Returning
Tue, Oct 6, 2026•14 Day Trip
$469 USD
Google Flights