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

Sunday, August 16th, 2026

7 round-trip options

Returning
Sun, Aug 23, 20267 Day Trip
$758 USD
Returning
Mon, Aug 24, 20268 Day Trip
$636 USD
Returning
Tue, Aug 25, 20269 Day Trip
$604 USD
Returning
Wed, Aug 26, 202610 Day Trip
$614 USD
Returning
Thu, Aug 27, 202611 Day Trip
$626 USD
Returning
Fri, Aug 28, 202612 Day Trip
$626 USD
Returning
Sun, Aug 30, 202614 Day Trip
$636 USD