Cheapest one-way flights from Madrid to Porto in September from $26

Best time to book flights for Madrid (MAD) to Porto (OPO) flights at AirHint

AirHint found the following cheapest one-way flights from Madrid (MAD) to Porto (OPO) in September 2025 (see full year).

One-Way flights

07 Sep Iberia direct
11 Sep Air Europa direct
16 Sep Air Europa direct
19 Sep Iberia direct
06 Sep Ryanair direct
22 Sep Ryanair direct
27 Sep Ryanair direct
20 Sep Ryanair direct
09 Sep Ryanair direct
14 Sep Ryanair direct

Also check the deals for return flights from Madrid to Porto in September.

Skyscanner

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.

Book a cheap hotel in Porto

Cheap car rent in Porto