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

Saturday, September 12th, 2026

5 round-trip options

Returning
Fri, Sep 18, 20266 Day Trip
$424 USD
Returning
Sat, Sep 19, 20267 Day Trip
$424 USD
Returning
Thu, Sep 24, 202612 Day Trip
$458 USD
Returning
Fri, Sep 25, 202613 Day Trip
$424 USD
Returning
Sat, Sep 26, 202614 Day Trip
$424 USD