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

Monday, December 7th, 2026

5 round-trip options

Returning
Sun, Dec 13, 20266 Day Trip
$456 USD
Returning
Tue, Dec 15, 20268 Day Trip
$429 USD
Returning
Wed, Dec 16, 20269 Day Trip
$478 USD
Returning
Sun, Dec 20, 202613 Day Trip
$550 USD
Returning
Mon, Dec 21, 202614 Day Trip
$497 USD