Cheapest return flights from Madrid to Porto in September from $55

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

16 Sep - 20 Sep Air Europa direct
19 Sep - 21 Sep Iberia direct
03 Sep - 21 Sep Ryanair direct
03 Sep - 08 Sep Ryanair direct
03 Sep - 18 Sep Ryanair direct
03 Sep - 11 Sep Ryanair direct
03 Sep - 14 Sep Ryanair direct
03 Sep - 20 Sep Ryanair direct
03 Sep - 10 Sep Ryanair direct
03 Sep - 12 Sep Ryanair direct
28 Sep - 16 Oct Ryanair direct
28 Sep - 04 Oct Ryanair direct
28 Sep - 09 Oct Ryanair direct
28 Sep - 02 Oct Ryanair direct
18 Sep - 04 Oct Ryanair direct
18 Sep - 09 Oct Ryanair direct
18 Sep - 02 Oct Ryanair direct
22 Sep - 04 Oct Ryanair direct
22 Sep - 09 Oct Ryanair direct
22 Sep - 02 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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