Portland (PDX) to Montreal (YUL) flight deal in economy from $374

Monday, August 31st, 2026

7 round-trip options

Returning
Mon, Sep 7, 20267 Day Trip
$443 USD
Returning
Tue, Sep 8, 20268 Day Trip
$414 USD
Returning
Wed, Sep 9, 20269 Day Trip
$396 USD
Returning
Thu, Sep 10, 202610 Day Trip
$417 USD
Returning
Fri, Sep 11, 202611 Day Trip
$422 USD
Returning
Sat, Sep 12, 202612 Day Trip
$409 USD
Returning
Mon, Sep 14, 202614 Day Trip
$436 USD