Portland (PDX) to Montreal (YUL) flight deal in economy from $374

Monday, December 14th, 2026

7 round-trip options

Returning
Sun, Dec 20, 20266 Day Trip
$595 USD
Returning
Mon, Dec 21, 20267 Day Trip
$559 USD
Returning
Tue, Dec 22, 20268 Day Trip
$420 USD
Returning
Thu, Dec 24, 202610 Day Trip
$535 USD
Returning
Sat, Dec 26, 202612 Day Trip
$587 USD
Returning
Sun, Dec 27, 202613 Day Trip
$646 USD
Returning
Mon, Dec 28, 202614 Day Trip
$645 USD