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

Monday, September 28th, 2026

5 round-trip options

Returning
Sun, Oct 4, 20266 Day Trip
$557 USD
Returning
Mon, Oct 5, 20267 Day Trip
$496 USD
Returning
Sat, Oct 10, 202612 Day Trip
$509 USD
Returning
Sun, Oct 11, 202613 Day Trip
$509 USD
Returning
Mon, Oct 12, 202614 Day Trip
$539 USD