We have prepared for you the list of the cheapest deals for Ryanair flight from Santander (SDR) to Dublin (DUB) by the month of departure.

Cheapest flights for September 2025

Departure date	Cheapest price
26 Sep 2025	97 €	Book Now
17 Sep 2025	114 €	Book Now
10 Sep 2025	116 €	Book Now
12 Sep 2025	127 €	Book Now
08 Sep 2025	133 €	Book Now

Cheapest flights for October 2025

Departure date	Cheapest price
14 Oct 2025	25 €	Book Now
06 Oct 2025	25 €	Book Now
07 Oct 2025	25 €	Book Now
08 Oct 2025	25 €	Book Now
13 Oct 2025	25 €	Book Now

Cheapest flights for November 2025

Departure date	Cheapest price
21 Nov 2025	25 €	Book Now
16 Nov 2025	26 €	Book Now
14 Nov 2025	29 €	Book Now
28 Nov 2025	29 €	Book Now
30 Nov 2025	29 €	Book Now

Cheapest flights for December 2025

Departure date	Cheapest price
12 Dec 2025	28 €	Book Now
14 Dec 2025	28 €	Book Now
07 Dec 2025	33 €	Book Now
19 Dec 2025	54 €	Book Now
18 Dec 2025	61 €	Book Now

Cheapest flights for January 2026

Departure date	Cheapest price
30 Jan 2026	50 €	Book Now
23 Jan 2026	50 €	Book Now
25 Jan 2026	55 €	Book Now
18 Jan 2026	74 €	Book Now
11 Jan 2026	108 €	Book Now

Cheapest flights for February 2026

Departure date	Cheapest price
06 Feb 2026	43 €	Book Now
13 Feb 2026	47 €	Book Now
08 Feb 2026	55 €	Book Now
22 Feb 2026	59 €	Book Now
01 Feb 2026	68 €	Book Now

Cheapest flights for March 2026

Departure date	Cheapest price
22 Mar 2026	43 €	Book Now
01 Mar 2026	43 €	Book Now
13 Mar 2026	44 €	Book Now
08 Mar 2026	44 €	Book Now
06 Mar 2026	60 €	Book Now

The deals are updated by AirHint regularly. Please keep in mind that the price may go up as tickets are purchased by other travellers. Only the cheapest one-way flights are offered. Book fast to secure these cheap Ryanair prices.

Ryanair deals from Santander to all destinations

Ryanair deals from Dublin to all destinations

Cheapest Ryanair flights Santander to Dublin from 25€