We have prepared for you the list of the cheapest deals for Ryanair flight from Shannon (SNN) to Porto (OPO) by the month of departure.
Cheapest flights for August 2025
| Departure date | Cheapest price | |
|---|---|---|
| 21 Aug 2025 | 50 € | Book Now |
| 24 Aug 2025 | 56 € | Book Now |
| 28 Aug 2025 | 65 € | Book Now |
| 27 Aug 2025 | 75 € | Book Now |
| 14 Aug 2025 | 87 € | Book Now |
Cheapest flights for September 2025
| Departure date | Cheapest price | |
|---|---|---|
| 18 Sep 2025 | 30 € | Book Now |
| 25 Sep 2025 | 30 € | Book Now |
| 24 Sep 2025 | 39 € | Book Now |
| 28 Sep 2025 | 41 € | Book Now |
| 11 Sep 2025 | 45 € | Book Now |
Cheapest flights for October 2025
| Departure date | Cheapest price | |
|---|---|---|
| 16 Oct 2025 | 30 € | Book Now |
| 28 Oct 2025 | 30 € | Book Now |
| 30 Oct 2025 | 30 € | Book Now |
| 22 Oct 2025 | 40 € | Book Now |
| 12 Oct 2025 | 63 € | 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.
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