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

Friday, August 28th, 2026

6 round-trip options

Returning
Thu, Sep 3, 20266 Day Trip
$475 USD
Returning
Fri, Sep 4, 20267 Day Trip
$445 USD
Returning
Mon, Sep 7, 202610 Day Trip
$394 USD
Returning
Tue, Sep 8, 202611 Day Trip
$394 USD
Returning
Thu, Sep 10, 202613 Day Trip
$445 USD
Returning
Fri, Sep 11, 202614 Day Trip
$394 USD