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 July 2025
| Departure date | Cheapest price | |
|---|---|---|
| 30 Jul 2025 | 166 € | Book Now |
| 21 Jul 2025 | 174 € | Book Now |
| 31 Jul 2025 | 179 € | Book Now |
| 23 Jul 2025 | 180 € | Book Now |
| 29 Jul 2025 | 193 € | Book Now |
Cheapest flights for August 2025
| Departure date | Cheapest price | |
|---|---|---|
| 28 Aug 2025 | 23 € | Book Now |
| 26 Aug 2025 | 31 € | Book Now |
| 27 Aug 2025 | 32 € | Book Now |
| 29 Aug 2025 | 32 € | Book Now |
| 31 Aug 2025 | 32 € | Book Now |
Cheapest flights for September 2025
| Departure date | Cheapest price | |
|---|---|---|
| 02 Sep 2025 | 21 € | Book Now |
| 28 Sep 2025 | 30 € | Book Now |
| 27 Sep 2025 | 33 € | Book Now |
| 30 Sep 2025 | 35 € | Book Now |
| 29 Sep 2025 | 35 € | Book Now |
Cheapest flights for October 2025
| Departure date | Cheapest price | |
|---|---|---|
| 07 Oct 2025 | 25 € | Book Now |
| 14 Oct 2025 | 32 € | Book Now |
| 08 Oct 2025 | 35 € | Book Now |
| 09 Oct 2025 | 35 € | Book Now |
| 22 Oct 2025 | 35 € | Book Now |
Cheapest flights for November 2025
| Departure date | Cheapest price | |
|---|---|---|
| 01 Nov 2025 | 37 € | Book Now |
| 02 Nov 2025 | 37 € | Book Now |
| 03 Nov 2025 | 37 € | Book Now |
| 04 Nov 2025 | 37 € | Book Now |
| 05 Nov 2025 | 37 € | Book Now |
Cheapest flights for December 2025
| Departure date | Cheapest price | |
|---|---|---|
| 09 Dec 2025 | 37 € | Book Now |
| 01 Dec 2025 | 37 € | Book Now |
| 02 Dec 2025 | 37 € | Book Now |
| 03 Dec 2025 | 37 € | Book Now |
| 07 Dec 2025 | 37 € | Book Now |
Cheapest flights for January 2026
| Departure date | Cheapest price | |
|---|---|---|
| 06 Jan 2026 | 37 € | Book Now |
| 07 Jan 2026 | 37 € | Book Now |
| 13 Jan 2026 | 37 € | Book Now |
| 14 Jan 2026 | 37 € | Book Now |
| 20 Jan 2026 | 37 € | Book Now |
Cheapest flights for February 2026
| Departure date | Cheapest price | |
|---|---|---|
| 01 Feb 2026 | 52 € | Book Now |
| 02 Feb 2026 | 52 € | Book Now |
| 03 Feb 2026 | 52 € | Book Now |
| 04 Feb 2026 | 52 € | Book Now |
| 05 Feb 2026 | 52 € | Book Now |
Cheapest flights for March 2026
| Departure date | Cheapest price | |
|---|---|---|
| 23 Mar 2026 | 52 € | Book Now |
| 03 Mar 2026 | 52 € | Book Now |
| 07 Mar 2026 | 52 € | Book Now |
| 17 Mar 2026 | 52 € | Book Now |
| 18 Mar 2026 | 52 € | Book Now |
Cheapest flights for April 2026
| Departure date | Cheapest price | |
|---|---|---|
| 08 Apr 2026 | 60 € | Book Now |
| 22 Apr 2026 | 60 € | Book Now |
| 09 Apr 2026 | 69 € | Book Now |
| 23 Apr 2026 | 70 € | Book Now |
| 07 Apr 2026 | 79 € | Book Now |
Cheapest flights for May 2026
| Departure date | Cheapest price | |
|---|---|---|
| 12 May 2026 | 70 € | Book Now |
| 06 May 2026 | 80 € | Book Now |
| 09 May 2026 | 80 € | Book Now |
| 13 May 2026 | 80 € | Book Now |
| 05 May 2026 | 89 € | Book Now |
Cheapest flights for June 2026
| Departure date | Cheapest price | |
|---|---|---|
| 02 Jun 2026 | 79 € | Book Now |
| 16 Jun 2026 | 80 € | Book Now |
| 23 Jun 2026 | 80 € | Book Now |
| 30 Jun 2026 | 80 € | Book Now |
| 01 Jun 2026 | 89 € | 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.
Find us on social media