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

Tuesday, September 15th, 2026

5 round-trip options

Returning
Mon, Sep 21, 20266 Day Trip
$424 USD
Returning
Tue, Sep 22, 20267 Day Trip
$424 USD
Returning
Sun, Sep 27, 202612 Day Trip
$424 USD
Returning
Mon, Sep 28, 202613 Day Trip
$424 USD
Returning
Tue, Sep 29, 202614 Day Trip
$453 USD