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

Thursday, October 15th, 2026

5 round-trip options

Returning
Wed, Oct 21, 20266 Day Trip
$429 USD
Returning
Thu, Oct 22, 20267 Day Trip
$461 USD
Returning
Tue, Oct 27, 202612 Day Trip
$411 USD
Returning
Wed, Oct 28, 202613 Day Trip
$411 USD
Returning
Thu, Oct 29, 202614 Day Trip
$413 USD