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

Saturday, October 31st, 2026

5 round-trip options

Returning
Fri, Nov 6, 20266 Day Trip
$437 USD
Returning
Sat, Nov 7, 20267 Day Trip
$437 USD
Returning
Thu, Nov 12, 202612 Day Trip
$399 USD
Returning
Fri, Nov 13, 202613 Day Trip
$436 USD
Returning
Sat, Nov 14, 202614 Day Trip
$437 USD