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 | $ 124 | Book Now |
| 17 Jul 2025 | $ 132 | Book Now |
| 16 Jul 2025 | $ 144 | Book Now |
| 23 Jul 2025 | $ 144 | Book Now |
| 31 Jul 2025 | $ 157 | Book Now |
Cheapest flights for August 2025
| Departure date | Cheapest price | |
|---|---|---|
| 13 Aug 2025 | $ 143 | Book Now |
| 28 Aug 2025 | $ 143 | Book Now |
| 07 Aug 2025 | $ 144 | Book Now |
| 14 Aug 2025 | $ 146 | Book Now |
| 21 Aug 2025 | $ 147 | Book Now |
Cheapest flights for September 2025
| Departure date | Cheapest price | |
|---|---|---|
| 10 Sep 2025 | $ 35 | Book Now |
| 24 Sep 2025 | $ 35 | Book Now |
| 18 Sep 2025 | $ 36 | Book Now |
| 11 Sep 2025 | $ 37 | Book Now |
| 25 Sep 2025 | $ 46 | Book Now |
Cheapest flights for October 2025
| Departure date | Cheapest price | |
|---|---|---|
| 15 Oct 2025 | $ 35 | Book Now |
| 16 Oct 2025 | $ 42 | Book Now |
| 02 Oct 2025 | $ 49 | Book Now |
| 09 Oct 2025 | $ 49 | Book Now |
| 08 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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