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

Sunday, September 27th, 2026

3 round-trip options

Returning
Tue, Oct 6, 20269 Day Trip
$591 USD
Returning
Wed, Oct 7, 202610 Day Trip
$599 USD
Returning
Sun, Oct 11, 202614 Day Trip
$599 USD