Cheapest return flights from Porto to Madrid in September from $54

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

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

Return flights

01 Sep - 05 Sep Iberia direct
01 Sep - 07 Sep Iberia direct
22 Sep - 26 Sep Iberia direct
19 Sep - 21 Sep Iberia direct
08 Sep - 27 Sep Ryanair direct
08 Sep - 15 Sep Ryanair direct
08 Sep - 16 Sep Ryanair direct
08 Sep - 26 Sep Ryanair direct
08 Sep - 18 Sep Ryanair direct
08 Sep - 20 Sep Ryanair direct
22 Sep - 11 Oct Ryanair direct
22 Sep - 09 Oct Ryanair direct
22 Sep - 02 Oct Ryanair direct
22 Sep - 10 Oct Ryanair direct
22 Sep - 13 Oct Ryanair direct
22 Sep - 01 Oct Ryanair direct
22 Sep - 04 Oct Ryanair direct
15 Sep - 02 Oct Ryanair direct
15 Sep - 01 Oct Ryanair direct
15 Sep - 04 Oct Ryanair direct

Also check the deals for one-way flights from Porto to Madrid 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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