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 June 2025
| Departure date | Cheapest price | |
|---|---|---|
| 29 Jun 2025 | 336 € | Book Now |
Cheapest flights for July 2025
| Departure date | Cheapest price | |
|---|---|---|
| 24 Jul 2025 | 58 € | Book Now |
| 13 Jul 2025 | 67 € | Book Now |
| 27 Jul 2025 | 77 € | Book Now |
| 23 Jul 2025 | 78 € | Book Now |
| 09 Jul 2025 | 83 € | Book Now |
Cheapest flights for August 2025
| Departure date | Cheapest price | |
|---|---|---|
| 24 Aug 2025 | 28 € | Book Now |
| 27 Aug 2025 | 29 € | Book Now |
| 21 Aug 2025 | 32 € | Book Now |
| 20 Aug 2025 | 40 € | Book Now |
| 17 Aug 2025 | 40 € | Book Now |
Cheapest flights for September 2025
| Departure date | Cheapest price | |
|---|---|---|
| 28 Sep 2025 | 42 € | Book Now |
| 04 Sep 2025 | 64 € | Book Now |
| 17 Sep 2025 | 74 € | Book Now |
| 21 Sep 2025 | 74 € | Book Now |
| 11 Sep 2025 | 77 € | Book Now |
Cheapest flights for October 2025
| Departure date | Cheapest price | |
|---|---|---|
| 22 Oct 2025 | 31 € | Book Now |
| 15 Oct 2025 | 44 € | Book Now |
| 05 Oct 2025 | 50 € | Book Now |
| 12 Oct 2025 | 50 € | Book Now |
| 28 Oct 2025 | 50 € | 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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