We have prepared for you the list of the cheapest deals for Ryanair flight from Porto (OPO) to Shannon (SNN) by the month of departure.
Cheapest flights for July 2025
| Departure date | Cheapest price | |
|---|---|---|
| 24 Jul 2025 | 104 € | Book Now |
| 23 Jul 2025 | 119 € | Book Now |
| 31 Jul 2025 | 157 € | Book Now |
| 30 Jul 2025 | 188 € | Book Now |
Cheapest flights for August 2025
| Departure date | Cheapest price | |
|---|---|---|
| 06 Aug 2025 | 146 € | Book Now |
| 13 Aug 2025 | 150 € | Book Now |
| 28 Aug 2025 | 150 € | Book Now |
| 20 Aug 2025 | 152 € | Book Now |
| 21 Aug 2025 | 154 € | Book Now |
Cheapest flights for September 2025
| Departure date | Cheapest price | |
|---|---|---|
| 04 Sep 2025 | 30 € | Book Now |
| 24 Sep 2025 | 30 € | Book Now |
| 11 Sep 2025 | 30 € | Book Now |
| 03 Sep 2025 | 44 € | Book Now |
| 10 Sep 2025 | 54 € | Book Now |
Cheapest flights for October 2025
| Departure date | Cheapest price | |
|---|---|---|
| 15 Oct 2025 | 30 € | Book Now |
| 16 Oct 2025 | 36 € | Book Now |
| 09 Oct 2025 | 42 € | Book Now |
| 28 Oct 2025 | 48 € | Book Now |
| 02 Oct 2025 | 53 € | 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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