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

Saturday, December 5th, 2026

5 round-trip options

Returning
Fri, Dec 11, 20266 Day Trip
$399 USD
Returning
Sun, Dec 13, 20268 Day Trip
$420 USD
Returning
Mon, Dec 14, 20269 Day Trip
$400 USD
Returning
Fri, Dec 18, 202613 Day Trip
$527 USD
Returning
Sat, Dec 19, 202614 Day Trip
$515 USD