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

Monday, October 12th, 2026

5 round-trip options

Returning
Sun, Oct 18, 20266 Day Trip
$557 USD
Returning
Mon, Oct 19, 20267 Day Trip
$534 USD
Returning
Sat, Oct 24, 202612 Day Trip
$527 USD
Returning
Sun, Oct 25, 202613 Day Trip
$527 USD
Returning
Mon, Oct 26, 202614 Day Trip
$505 USD