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

Sunday, September 13th, 2026

5 round-trip options

Returning
Sat, Sep 19, 20266 Day Trip
$540 USD
Returning
Sun, Sep 20, 20267 Day Trip
$553 USD
Returning
Fri, Sep 25, 202612 Day Trip
$540 USD
Returning
Sat, Sep 26, 202613 Day Trip
$540 USD
Returning
Sun, Sep 27, 202614 Day Trip
$527 USD