We have prepared for you the list of the cheapest deals for Ryanair flight from London (STN) to Castellón (CDT) by the month of departure.
Cheapest flights for August 2025
| Departure date | Cheapest price | |
|---|---|---|
| 29 Aug 2025 | 29 € | Book Now |
| 20 Aug 2025 | 60 € | Book Now |
| 27 Aug 2025 | 79 € | Book Now |
| 25 Aug 2025 | 138 € | Book Now |
| 22 Aug 2025 | 138 € | Book Now |
Cheapest flights for September 2025
| Departure date | Cheapest price | |
|---|---|---|
| 10 Sep 2025 | 20 € | Book Now |
| 03 Sep 2025 | 21 € | Book Now |
| 17 Sep 2025 | 24 € | Book Now |
| 24 Sep 2025 | 29 € | Book Now |
| 22 Sep 2025 | 29 € | Book Now |
Cheapest flights for October 2025
| Departure date | Cheapest price | |
|---|---|---|
| 06 Oct 2025 | 20 € | Book Now |
| 31 Oct 2025 | 20 € | Book Now |
| 01 Oct 2025 | 21 € | Book Now |
| 08 Oct 2025 | 21 € | Book Now |
| 15 Oct 2025 | 21 € | Book Now |
Cheapest flights for November 2025
| Departure date | Cheapest price | |
|---|---|---|
| 07 Nov 2025 | 22 € | Book Now |
| 21 Nov 2025 | 22 € | Book Now |
| 28 Nov 2025 | 22 € | Book Now |
| 14 Nov 2025 | 24 € | Book Now |
| 03 Nov 2025 | 27 € | Book Now |
Cheapest flights for December 2025
| Departure date | Cheapest price | |
|---|---|---|
| 01 Dec 2025 | 27 € | Book Now |
| 12 Dec 2025 | 31 € | Book Now |
| 08 Dec 2025 | 37 € | Book Now |
| 15 Dec 2025 | 40 € | Book Now |
| 26 Dec 2025 | 60 € | Book Now |
Cheapest flights for January 2026
| Departure date | Cheapest price | |
|---|---|---|
| 09 Jan 2026 | 27 € | Book Now |
| 05 Jan 2026 | 27 € | Book Now |
| 19 Jan 2026 | 31 € | Book Now |
| 16 Jan 2026 | 31 € | Book Now |
| 12 Jan 2026 | 31 € | Book Now |
Cheapest flights for February 2026
| Departure date | Cheapest price | |
|---|---|---|
| 23 Feb 2026 | 37 € | Book Now |
| 20 Feb 2026 | 37 € | Book Now |
| 09 Feb 2026 | 37 € | Book Now |
| 06 Feb 2026 | 37 € | Book Now |
| 02 Feb 2026 | 37 € | Book Now |
Cheapest flights for March 2026
| Departure date | Cheapest price | |
|---|---|---|
| 09 Mar 2026 | 37 € | Book Now |
| 02 Mar 2026 | 37 € | Book Now |
| 16 Mar 2026 | 38 € | Book Now |
| 06 Mar 2026 | 38 € | Book Now |
| 23 Mar 2026 | 44 € | 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