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 June 2025
| Departure date | Cheapest price | |
|---|---|---|
| 30 Jun 2025 | $ 213 | Book Now |
| 29 Jun 2025 | $ 247 | Book Now |
Cheapest flights for July 2025
| Departure date | Cheapest price | |
|---|---|---|
| 02 Jul 2025 | $ 106 | Book Now |
| 09 Jul 2025 | $ 123 | Book Now |
| 29 Jul 2025 | $ 148 | Book Now |
| 06 Jul 2025 | $ 148 | Book Now |
| 27 Jul 2025 | $ 156 | Book Now |
Cheapest flights for August 2025
| Departure date | Cheapest price | |
|---|---|---|
| 28 Aug 2025 | $ 30 | Book Now |
| 29 Aug 2025 | $ 38 | Book Now |
| 31 Aug 2025 | $ 38 | Book Now |
| 30 Aug 2025 | $ 43 | Book Now |
| 26 Aug 2025 | $ 45 | Book Now |
Cheapest flights for September 2025
| Departure date | Cheapest price | |
|---|---|---|
| 28 Sep 2025 | $ 26 | Book Now |
| 02 Sep 2025 | $ 27 | Book Now |
| 03 Sep 2025 | $ 41 | Book Now |
| 01 Sep 2025 | $ 41 | Book Now |
| 16 Sep 2025 | $ 41 | Book Now |
Cheapest flights for October 2025
| Departure date | Cheapest price | |
|---|---|---|
| 29 Oct 2025 | $ 36 | Book Now |
| 15 Oct 2025 | $ 37 | Book Now |
| 14 Oct 2025 | $ 38 | Book Now |
| 07 Oct 2025 | $ 40 | Book Now |
| 31 Oct 2025 | $ 40 | Book Now |
Cheapest flights for November 2025
| Departure date | Cheapest price | |
|---|---|---|
| 01 Nov 2025 | $ 62 | Book Now |
| 02 Nov 2025 | $ 62 | Book Now |
| 03 Nov 2025 | $ 62 | Book Now |
| 04 Nov 2025 | $ 62 | Book Now |
| 05 Nov 2025 | $ 62 | Book Now |
Cheapest flights for December 2025
| Departure date | Cheapest price | |
|---|---|---|
| 07 Dec 2025 | $ 62 | Book Now |
| 01 Dec 2025 | $ 62 | Book Now |
| 02 Dec 2025 | $ 62 | Book Now |
| 03 Dec 2025 | $ 62 | Book Now |
| 04 Dec 2025 | $ 62 | Book Now |
Cheapest flights for January 2026
| Departure date | Cheapest price | |
|---|---|---|
| 01 Jan 2026 | $ 62 | Book Now |
| 02 Jan 2026 | $ 62 | Book Now |
| 03 Jan 2026 | $ 62 | Book Now |
| 04 Jan 2026 | $ 62 | Book Now |
| 05 Jan 2026 | $ 62 | Book Now |
Cheapest flights for February 2026
| Departure date | Cheapest price | |
|---|---|---|
| 01 Feb 2026 | $ 62 | Book Now |
| 02 Feb 2026 | $ 62 | Book Now |
| 03 Feb 2026 | $ 62 | Book Now |
| 04 Feb 2026 | $ 62 | Book Now |
| 05 Feb 2026 | $ 62 | Book Now |
Cheapest flights for March 2026
| Departure date | Cheapest price | |
|---|---|---|
| 10 Mar 2026 | $ 62 | Book Now |
| 05 Mar 2026 | $ 62 | Book Now |
| 07 Mar 2026 | $ 62 | Book Now |
| 11 Mar 2026 | $ 62 | Book Now |
| 12 Mar 2026 | $ 62 | Book Now |
Cheapest flights for April 2026
| Departure date | Cheapest price | |
|---|---|---|
| 08 Apr 2026 | $ 71 | Book Now |
| 22 Apr 2026 | $ 71 | Book Now |
| 09 Apr 2026 | $ 82 | Book Now |
| 23 Apr 2026 | $ 84 | Book Now |
| 12 Apr 2026 | $ 93 | Book Now |
Cheapest flights for May 2026
| Departure date | Cheapest price | |
|---|---|---|
| 12 May 2026 | $ 106 | Book Now |
| 09 May 2026 | $ 107 | Book Now |
| 10 May 2026 | $ 119 | Book Now |
| 06 May 2026 | $ 119 | Book Now |
| 07 May 2026 | $ 119 | 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