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

Friday, September 4th, 2026

5 round-trip options

Returning
Thu, Sep 10, 20266 Day Trip
$540 USD
Returning
Fri, Sep 11, 20267 Day Trip
$458 USD
Returning
Wed, Sep 16, 202612 Day Trip
$458 USD
Returning
Thu, Sep 17, 202613 Day Trip
$510 USD
Returning
Fri, Sep 18, 202614 Day Trip
$458 USD