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 21st, 2026

8 round-trip options

Returning
Sat, Dec 26, 2026•5 Day Trip
$546 USD
Google Flights
Returning
Sun, Dec 27, 2026•6 Day Trip
$670 USD
Google Flights
Returning
Tue, Dec 29, 2026•8 Day Trip
$602 USD
Google Flights
Returning
Wed, Dec 30, 2026•9 Day Trip
$540 USD
Google Flights
Returning
Thu, Dec 31, 2026•10 Day Trip
$633 USD
Google Flights
Returning
Sat, Jan 2, 2027•12 Day Trip
$667 USD
Google Flights
Returning
Sun, Jan 3, 2027•13 Day Trip
$703 USD
Google Flights
Returning
Mon, Jan 4, 2027•14 Day Trip
$711 USD
Google Flights