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

Return flights

01 Aug - 20 Aug	Ryanair	direct
01 Aug - 08 Aug	Ryanair
08 Aug - 10 Aug	Ryanair
01 Aug - 15 Aug	Ryanair	direct
29 Aug - 17 Sep	Ryanair	direct
29 Aug - 10 Sep	Ryanair	direct
08 Aug - 15 Aug	Ryanair
04 Aug - 08 Aug	Ryanair
29 Aug - 12 Sep	Ryanair	direct
07 Aug - 10 Aug	Ryanair
01 Aug - 08 Aug	Ryanair	direct
15 Aug - 20 Aug	Ryanair
01 Aug - 06 Aug	Ryanair	direct
29 Aug - 01 Sep	Ryanair
27 Aug - 17 Sep	Ryanair	direct
27 Aug - 10 Sep	Ryanair	direct
29 Aug - 19 Sep	Ryanair	direct
27 Aug - 12 Sep	Ryanair	direct
29 Aug - 03 Sep	Ryanair
22 Aug - 01 Sep	Ryanair

Also check the deals for one-way flights from Santander 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 Santander to Dublin in August from 143€

Return flights