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

Monday, October 19th, 2026

5 round-trip options

Returning
Sun, Oct 25, 20266 Day Trip
$464 USD
Returning
Mon, Oct 26, 20267 Day Trip
$445 USD
Returning
Sat, Oct 31, 202612 Day Trip
$497 USD
Returning
Sun, Nov 1, 202613 Day Trip
$525 USD
Returning
Mon, Nov 2, 202614 Day Trip
$429 USD