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

Limited Availability
18% of dates checked are available within 10% of the lowest price

Friday, October 9th, 2026

6 round-trip options

Returning
Wed, Oct 14, 20265 Day Trip
$543 USD
Returning
Thu, Oct 15, 20266 Day Trip
$691 USD
Returning
Fri, Oct 16, 20267 Day Trip
$543 USD
Returning
Sat, Oct 17, 20268 Day Trip
$580 USD
Returning
Wed, Oct 21, 202612 Day Trip
$697 USD
Returning
Fri, Oct 23, 202614 Day Trip
$726 USD