Porto (OPO) to Montreal (YUL) flight deal in economy from $457

Tuesday, September 29th, 2026

4 round-trip options

Returning
Wed, Oct 7, 20268 Day Trip
$476 USD
Returning
Thu, Oct 8, 20269 Day Trip
$469 USD
Returning
Fri, Oct 9, 202610 Day Trip
$476 USD
Returning
Tue, Oct 13, 202614 Day Trip
$469 USD