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

Tuesday, December 15th, 2026

8 round-trip options

Returning
Sun, Dec 20, 20265 Day Trip
$605 USD
Returning
Mon, Dec 21, 20266 Day Trip
$484 USD
Returning
Wed, Dec 23, 20268 Day Trip
$646 USD
Returning
Thu, Dec 24, 20269 Day Trip
$550 USD
Returning
Fri, Dec 25, 202610 Day Trip
$484 USD
Returning
Sun, Dec 27, 202612 Day Trip
$587 USD
Returning
Mon, Dec 28, 202613 Day Trip
$469 USD
Returning
Tue, Dec 29, 202614 Day Trip
$554 USD