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

Sunday, August 9th, 2026

7 round-trip options

Returning
Fri, Aug 14, 20265 Day Trip
$719 USD
Returning
Sat, Aug 15, 20266 Day Trip
$835 USD
Returning
Sun, Aug 16, 20267 Day Trip
$784 USD
Returning
Mon, Aug 17, 20268 Day Trip
$792 USD
Returning
Tue, Aug 18, 20269 Day Trip
$713 USD
Returning
Fri, Aug 21, 202612 Day Trip
$677 USD
Returning
Sat, Aug 22, 202613 Day Trip
$741 USD