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

Sunday, December 13th, 2026

5 round-trip options

Returning
Sat, Dec 19, 20266 Day Trip
$515 USD
Returning
Mon, Dec 21, 20268 Day Trip
$455 USD
Returning
Tue, Dec 22, 20269 Day Trip
$493 USD
Returning
Sat, Dec 26, 202613 Day Trip
$448 USD
Returning
Sun, Dec 27, 202614 Day Trip
$455 USD