Cheapest one-way flights from Madrid to Porto in May from 18€

AirHint found the following cheapest one-way flights from Madrid (MAD) to Porto (OPO) in May 2026 (see full year).

One-Way flights

23 May Ryanair direct
10 May Ryanair direct
17 May Air Europa direct
20 May Ryanair direct
12 May Air Europa direct
28 May Air Europa direct
06 May Air Europa direct
14 May Air Europa direct
25 May Air Europa direct
19 May Ryanair direct

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

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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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