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

Friday, September 4th, 2026

7 round-trip options

Returning
Wed, Sep 9, 20265 Day Trip
$396 USD
Returning
Thu, Sep 10, 20266 Day Trip
$417 USD
Returning
Sat, Sep 12, 20268 Day Trip
$409 USD
Returning
Mon, Sep 14, 202610 Day Trip
$436 USD
Returning
Tue, Sep 15, 202611 Day Trip
$414 USD
Returning
Wed, Sep 16, 202612 Day Trip
$396 USD
Returning
Fri, Sep 18, 202614 Day Trip
$436 USD