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

Tuesday, September 29th, 2026

5 round-trip options

Returning
Mon, Oct 5, 20266 Day Trip
$428 USD
Returning
Tue, Oct 6, 20267 Day Trip
$426 USD
Returning
Sun, Oct 11, 202612 Day Trip
$428 USD
Returning
Mon, Oct 12, 202613 Day Trip
$457 USD
Returning
Tue, Oct 13, 202614 Day Trip
$456 USD