Montreal (YUL) to Porto (OPO) flight deal in economy from $535

Sunday, August 16th, 2026

7 round-trip options

Returning
Fri, Aug 21, 20265 Day Trip
$733 USD
Returning
Sat, Aug 22, 20266 Day Trip
$770 USD
Returning
Sun, Aug 23, 20267 Day Trip
$733 USD
Returning
Mon, Aug 24, 20268 Day Trip
$799 USD
Returning
Tue, Aug 25, 20269 Day Trip
$690 USD
Returning
Fri, Aug 28, 202612 Day Trip
$733 USD
Returning
Sat, Aug 29, 202613 Day Trip
$842 USD