YUL to ORD from $426 in business

AAAmerican Airlines

Round Trip•Business Class

YUL

Montréal-Pierre Elliott Trudeau International Airport

Montreal, Canada

ORD

O'Hare International Airport

Chicago, United States

$563 USD

-24%$426 USD

Verified 13 days ago

December 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30$476 1$426 2$426 3$447 4$447 5$467 6$536 7$509 8$457 9$457 10$478 11$505 12$468 13$602 14$587 15$469 16$550 17$581 18$554 19$620 20$674 21$540 22$550 23$562 24$478 25$581 26$525 27$577 28$631 29$586 30$634 31$521 1$478 2$663 3$689

Fair Availability

23% of dates checked are available within 10% of the lowest price

Monday, December 14th, 2026

8 round-trip options

Returning

Sat, Dec 19, 2026•5 Day Trip

$779 USD

Google Flights

Returning

Sun, Dec 20, 2026•6 Day Trip

$808 USD

Google Flights

Returning

Tue, Dec 22, 2026•8 Day Trip

$659 USD

Google Flights

Returning

Wed, Dec 23, 2026•9 Day Trip

$849 USD

Google Flights

Returning

Thu, Dec 24, 2026•10 Day Trip

$609 USD

Google Flights

Returning

Sat, Dec 26, 2026•12 Day Trip

$587 USD

Google Flights

Returning

Sun, Dec 27, 2026•13 Day Trip

$711 USD

Google Flights

Returning

Mon, Dec 28, 2026•14 Day Trip

$671 USD

Google Flights

Montreal (YUL) to Chicago (ORD) flight deal in business from $426

Montréal-Pierre Elliott Trudeau International Airport

O'Hare International Airport

December 2026

Monday, December 14th, 2026