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

Tuesday, September 1st, 2026

5 round-trip options

Returning
Mon, Sep 7, 20266 Day Trip
$445 USD
Returning
Tue, Sep 8, 20267 Day Trip
$445 USD
Returning
Sun, Sep 13, 202612 Day Trip
$445 USD
Returning
Mon, Sep 14, 202613 Day Trip
$445 USD
Returning
Tue, Sep 15, 202614 Day Trip
$458 USD