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 May 2026
| Departure date | Cheapest price | |
|---|---|---|
| 06 May 2026 | 25 € | Book Now |
| 04 May 2026 | 28 € | Book Now |
| 10 May 2026 | 28 € | Book Now |
| 11 May 2026 | 28 € | Book Now |
| 17 May 2026 | 28 € | Book Now |
Cheapest flights for June 2026
| Departure date | Cheapest price | |
|---|---|---|
| 14 Jun 2026 | 28 € | Book Now |
| 21 Jun 2026 | 30 € | Book Now |
| 01 Jun 2026 | 31 € | Book Now |
| 28 Jun 2026 | 31 € | Book Now |
| 08 Jun 2026 | 35 € | Book Now |
Cheapest flights for July 2026
| Departure date | Cheapest price | |
|---|---|---|
| 19 Jul 2026 | 46 € | Book Now |
| 20 Jul 2026 | 47 € | Book Now |
| 12 Jul 2026 | 49 € | Book Now |
| 13 Jul 2026 | 52 € | Book Now |
| 05 Jul 2026 | 53 € | Book Now |
Cheapest flights for August 2026
| Departure date | Cheapest price | |
|---|---|---|
| 16 Aug 2026 | 31 € | Book Now |
| 23 Aug 2026 | 31 € | Book Now |
| 24 Aug 2026 | 38 € | Book Now |
| 30 Aug 2026 | 43 € | Book Now |
| 31 Aug 2026 | 45 € | Book Now |
Cheapest flights for September 2026
| Departure date | Cheapest price | |
|---|---|---|
| 30 Sep 2026 | 42 € | Book Now |
| 20 Sep 2026 | 50 € | Book Now |
| 28 Sep 2026 | 50 € | Book Now |
| 23 Sep 2026 | 56 € | Book Now |
| 06 Sep 2026 | 58 € | Book Now |
Cheapest flights for October 2026
| Departure date | Cheapest price | |
|---|---|---|
| 04 Oct 2026 | 67 € | Book Now |
| 11 Oct 2026 | 67 € | Book Now |
| 12 Oct 2026 | 67 € | Book Now |
| 18 Oct 2026 | 67 € | Book Now |
| 19 Oct 2026 | 67 € | 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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