We have prepared for you the list of the cheapest deals for Ryanair flight from London (STN) to Porto (OPO) by the month of departure.
Cheapest flights for August 2025
| Departure date | Cheapest price | |
|---|---|---|
| 31 Aug 2025 | 32 € | Book Now |
| 27 Aug 2025 | 37 € | Book Now |
| 26 Aug 2025 | 38 € | Book Now |
| 25 Aug 2025 | 39 € | Book Now |
| 29 Aug 2025 | 40 € | Book Now |
Cheapest flights for September 2025
| Departure date | Cheapest price | |
|---|---|---|
| 01 Sep 2025 | 25 € | Book Now |
| 16 Sep 2025 | 25 € | Book Now |
| 22 Sep 2025 | 25 € | Book Now |
| 29 Sep 2025 | 25 € | Book Now |
| 30 Sep 2025 | 25 € | Book Now |
Cheapest flights for October 2025
| Departure date | Cheapest price | |
|---|---|---|
| 03 Oct 2025 | 23 € | Book Now |
| 08 Oct 2025 | 25 € | Book Now |
| 01 Oct 2025 | 25 € | Book Now |
| 22 Oct 2025 | 25 € | Book Now |
| 28 Oct 2025 | 25 € | Book Now |
Cheapest flights for November 2025
| Departure date | Cheapest price | |
|---|---|---|
| 03 Nov 2025 | 37 € | Book Now |
| 04 Nov 2025 | 37 € | Book Now |
| 05 Nov 2025 | 37 € | Book Now |
| 08 Nov 2025 | 37 € | Book Now |
| 11 Nov 2025 | 37 € | Book Now |
Cheapest flights for December 2025
| Departure date | Cheapest price | |
|---|---|---|
| 03 Dec 2025 | 44 € | Book Now |
| 10 Dec 2025 | 44 € | Book Now |
| 02 Dec 2025 | 46 € | Book Now |
| 31 Dec 2025 | 46 € | Book Now |
| 04 Dec 2025 | 52 € | Book Now |
Cheapest flights for January 2026
| Departure date | Cheapest price | |
|---|---|---|
| 02 Jan 2026 | 44 € | Book Now |
| 01 Jan 2026 | 44 € | Book Now |
| 03 Jan 2026 | 44 € | Book Now |
| 04 Jan 2026 | 44 € | Book Now |
| 05 Jan 2026 | 44 € | Book Now |
Cheapest flights for February 2026
| Departure date | Cheapest price | |
|---|---|---|
| 04 Feb 2026 | 52 € | Book Now |
| 05 Feb 2026 | 52 € | Book Now |
| 03 Feb 2026 | 52 € | Book Now |
| 02 Feb 2026 | 52 € | Book Now |
| 01 Feb 2026 | 52 € | Book Now |
Cheapest flights for March 2026
| Departure date | Cheapest price | |
|---|---|---|
| 03 Mar 2026 | 52 € | Book Now |
| 04 Mar 2026 | 52 € | Book Now |
| 07 Mar 2026 | 52 € | Book Now |
| 11 Mar 2026 | 52 € | Book Now |
| 12 Mar 2026 | 52 € | Book Now |
Cheapest flights for April 2026
| Departure date | Cheapest price | |
|---|---|---|
| 08 Apr 2026 | 61 € | Book Now |
| 22 Apr 2026 | 61 € | Book Now |
| 23 Apr 2026 | 69 € | Book Now |
| 09 Apr 2026 | 71 € | Book Now |
| 07 Apr 2026 | 79 € | Book Now |
Cheapest flights for May 2026
| Departure date | Cheapest price | |
|---|---|---|
| 12 May 2026 | 71 € | Book Now |
| 06 May 2026 | 79 € | Book Now |
| 09 May 2026 | 79 € | Book Now |
| 13 May 2026 | 80 € | Book Now |
| 11 May 2026 | 89 € | Book Now |
Cheapest flights for June 2026
| Departure date | Cheapest price | |
|---|---|---|
| 30 Jun 2026 | 79 € | Book Now |
| 23 Jun 2026 | 79 € | Book Now |
| 02 Jun 2026 | 79 € | Book Now |
| 16 Jun 2026 | 80 € | Book Now |
| 01 Jun 2026 | 89 € | Book Now |
Cheapest flights for July 2026
| Departure date | Cheapest price | |
|---|---|---|
| 01 Jul 2026 | 90 € | Book Now |
| 07 Jul 2026 | 101 € | Book Now |
| 05 Jul 2026 | 101 € | Book Now |
| 03 Jul 2026 | 101 € | Book Now |
| 02 Jul 2026 | 101 € | 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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