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

Cheapest flights for September 2025

Departure date	Cheapest price
25 Sep 2025	77 €	Book Now
30 Sep 2025	79 €	Book Now
10 Sep 2025	79 €	Book Now
26 Sep 2025	81 €	Book Now
11 Sep 2025	104 €	Book Now

Cheapest flights for October 2025

Departure date	Cheapest price
21 Oct 2025	40 €	Book Now
10 Oct 2025	42 €	Book Now
08 Oct 2025	48 €	Book Now
14 Oct 2025	50 €	Book Now
26 Oct 2025	54 €	Book Now

Cheapest flights for November 2025

Departure date	Cheapest price
08 Nov 2025	30 €	Book Now
19 Nov 2025	30 €	Book Now
22 Nov 2025	30 €	Book Now
27 Nov 2025	30 €	Book Now
28 Nov 2025	30 €	Book Now

Cheapest flights for December 2025

Departure date	Cheapest price
12 Dec 2025	32 €	Book Now
14 Dec 2025	33 €	Book Now
15 Dec 2025	33 €	Book Now
17 Dec 2025	34 €	Book Now
13 Dec 2025	34 €	Book Now

Cheapest flights for January 2026

Departure date	Cheapest price
28 Jan 2026	45 €	Book Now
14 Jan 2026	54 €	Book Now
29 Jan 2026	58 €	Book Now
22 Jan 2026	63 €	Book Now
15 Jan 2026	63 €	Book Now

Cheapest flights for February 2026

Departure date	Cheapest price
11 Feb 2026	50 €	Book Now
12 Feb 2026	54 €	Book Now
04 Feb 2026	54 €	Book Now
05 Feb 2026	64 €	Book Now
06 Feb 2026	67 €	Book Now

Cheapest flights for March 2026

Departure date	Cheapest price
11 Mar 2026	50 €	Book Now
05 Mar 2026	58 €	Book Now
28 Mar 2026	64 €	Book Now
12 Mar 2026	64 €	Book Now
06 Mar 2026	68 €	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 Porto to all destinations

Ryanair deals from Dublin to all destinations

Cheapest Ryanair flights Porto to Dublin from 30€