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

Monday, September 14th, 2026

7 round-trip options

Returning
Sat, Sep 19, 20265 Day Trip
$414 USD
Returning
Sun, Sep 20, 20266 Day Trip
$550 USD
Returning
Tue, Sep 22, 20268 Day Trip
$409 USD
Returning
Thu, Sep 24, 202610 Day Trip
$422 USD
Returning
Fri, Sep 25, 202611 Day Trip
$417 USD
Returning
Sat, Sep 26, 202612 Day Trip
$414 USD
Returning
Mon, Sep 28, 202614 Day Trip
$436 USD