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

Saturday, August 15th, 2026

6 round-trip options

Returning
Fri, Aug 21, 20266 Day Trip
$513 USD
Returning
Sat, Aug 22, 20267 Day Trip
$431 USD
Returning
Tue, Aug 25, 202610 Day Trip
$431 USD
Returning
Wed, Aug 26, 202611 Day Trip
$431 USD
Returning
Fri, Aug 28, 202613 Day Trip
$431 USD
Returning
Sat, Aug 29, 202614 Day Trip
$431 USD