Montreal (YUL) to Portland (PDX) flight deal in economy from $391

Friday, December 18th, 2026

5 round-trip options

Returning
Thu, Dec 24, 20266 Day Trip
$530 USD
Returning
Sat, Dec 26, 20268 Day Trip
$530 USD
Returning
Sun, Dec 27, 20269 Day Trip
$530 USD
Returning
Thu, Dec 31, 202613 Day Trip
$526 USD
Returning
Fri, Jan 1, 202714 Day Trip
$701 USD