Portland (PDX) to Montreal (YUL) flight deal in economy from $374

Friday, December 18th, 2026

7 round-trip options

Returning
Thu, Dec 24, 20266 Day Trip
$654 USD
Returning
Fri, Dec 25, 20267 Day Trip
$654 USD
Returning
Sat, Dec 26, 20268 Day Trip
$705 USD
Returning
Mon, Dec 28, 202610 Day Trip
$764 USD
Returning
Wed, Dec 30, 202612 Day Trip
$670 USD
Returning
Thu, Dec 31, 202613 Day Trip
$672 USD
Returning
Fri, Jan 1, 202714 Day Trip
$672 USD