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

Wednesday, September 23rd, 2026

4 round-trip options

Returning
Thu, Oct 1, 20268 Day Trip
$457 USD
Returning
Fri, Oct 2, 20269 Day Trip
$465 USD
Returning
Sat, Oct 3, 202610 Day Trip
$457 USD
Returning
Wed, Oct 7, 202614 Day Trip
$465 USD