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

Monday, August 24th, 2026

6 round-trip options

Returning
Sun, Aug 30, 20266 Day Trip
$487 USD
Returning
Mon, Aug 31, 20267 Day Trip
$445 USD
Returning
Thu, Sep 3, 202610 Day Trip
$540 USD
Returning
Fri, Sep 4, 202611 Day Trip
$458 USD
Returning
Sun, Sep 6, 202613 Day Trip
$458 USD
Returning
Mon, Sep 7, 202614 Day Trip
$458 USD