Cheapest return flights from Madrid to Porto in September from 51€

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

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

Return flights

18 Sep - 20 Sep Iberia direct
18 Sep - 09 Oct Iberia direct
19 Sep - 09 Oct Iberia direct
12 Sep - 15 Sep Iberia direct
13 Sep - 15 Sep Iberia direct
23 Sep - 23 Sep Ryanair direct
23 Sep - 24 Sep Ryanair direct
13 Sep - 17 Sep Iberia direct
05 Sep - 15 Sep Iberia direct
24 Sep - 24 Sep Ryanair direct
10 Sep - 23 Sep Ryanair direct
10 Sep - 24 Sep Ryanair direct
27 Sep - 04 Oct Iberia direct
23 Sep - 05 Oct Ryanair direct
23 Sep - 02 Oct Ryanair direct
23 Sep - 09 Oct Ryanair direct
23 Sep - 08 Oct Ryanair direct
23 Sep - 03 Oct Ryanair direct
23 Sep - 06 Oct Ryanair direct
23 Sep - 04 Oct Ryanair direct

Also check the deals for one-way 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.

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