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

Sunday, September 27th, 2026

5 round-trip options

Returning
Sat, Oct 3, 20266 Day Trip
$544 USD
Returning
Sun, Oct 4, 20267 Day Trip
$605 USD
Returning
Fri, Oct 9, 202612 Day Trip
$570 USD
Returning
Sat, Oct 10, 202613 Day Trip
$544 USD
Returning
Sun, Oct 11, 202614 Day Trip
$557 USD