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 29th, 2026

8 round-trip options

Returning
Mon, Oct 5, 2026•6 Day Trip
$490 USD
Google Flights
Returning
Tue, Oct 6, 2026•7 Day Trip
$474 USD
Google Flights
Returning
Thu, Oct 8, 2026•9 Day Trip
$584 USD
Google Flights
Returning
Fri, Oct 9, 2026•10 Day Trip
$551 USD
Google Flights
Returning
Sat, Oct 10, 2026•11 Day Trip
$463 USD
Google Flights
Returning
Sun, Oct 11, 2026•12 Day Trip
$489 USD
Google Flights
Returning
Mon, Oct 12, 2026•13 Day Trip
$633 USD
Google Flights
Returning
Tue, Oct 13, 2026•14 Day Trip
$463 USD
Google Flights