AirHint found the following cheapest return flights from Madrid (MAD) to Dublin (DUB) in August 2025 (see full year).

Return flights

30 Aug - 14 Sep	Ryanair
27 Aug - 10 Sep	Ryanair
26 Aug - 28 Aug	Ryanair
31 Aug - 08 Sep	Ryanair
30 Aug - 13 Sep	KLM
30 Aug - 05 Sep	KLM
30 Aug - 07 Sep	KLM
30 Aug - 02 Sep	Ryanair
23 Aug - 14 Sep	Iberia Express
31 Aug - 09 Sep	Iberia Express
26 Aug - 07 Sep	Ryanair
29 Aug - 31 Aug	Air Europa
20 Aug - 27 Aug	Ryanair
27 Aug - 28 Aug	Ryanair
18 Aug - 24 Aug	Ryanair
28 Aug - 31 Aug	TAP
26 Aug - 31 Aug	Ryanair
19 Aug - 25 Aug	Iberia Express
30 Aug - 31 Aug	Ryanair
21 Aug - 27 Aug	KLM

Also check the deals for one-way flights from Madrid to Dublin in August.

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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Cheapest return flights from Madrid to Dublin in August from 145€

Return flights