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

Saturday, September 5th, 2026

5 round-trip options

Returning
Fri, Sep 11, 20266 Day Trip
$394 USD
Returning
Sat, Sep 12, 20267 Day Trip
$394 USD
Returning
Thu, Sep 17, 202612 Day Trip
$476 USD
Returning
Fri, Sep 18, 202613 Day Trip
$394 USD
Returning
Sat, Sep 19, 202614 Day Trip
$394 USD