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

Wednesday, September 23rd, 2026

6 round-trip options

Returning
Mon, Sep 28, 20265 Day Trip
$609 USD
Returning
Tue, Sep 29, 20266 Day Trip
$586 USD
Returning
Wed, Sep 30, 20267 Day Trip
$586 USD
Returning
Thu, Oct 1, 20268 Day Trip
$713 USD
Returning
Fri, Oct 2, 20269 Day Trip
$615 USD
Returning
Mon, Oct 5, 202612 Day Trip
$770 USD