Cheapest one-way flights from Montreal to Porto in May from $394
AirHint found the following cheapest one-way flights from Montreal (YUL) to Porto (OPO) in May 2025 (see full year).
One-Way flights
| 17 May | Azores Airlines | ||
| 26 May | FrenchBee | ||
| 18 May | Air Transat | ||
| 17 May | Air Transat | direct |
Also check the deals for return flights from Montreal to Porto in May.
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
