We have prepared for you the list of the cheapest deals for Ryanair flight from London (STN) to Grenoble (GNB) by the month of departure.
Cheapest flights for December 2025
| Departure date | Cheapest price | |
|---|---|---|
| 18 Dec 2025 | 28 € | Book Now |
| 20 Dec 2025 | 32 € | Book Now |
| 14 Dec 2025 | 33 € | Book Now |
| 21 Dec 2025 | 38 € | Book Now |
| 13 Dec 2025 | 106 € | Book Now |
Cheapest flights for January 2026
| Departure date | Cheapest price | |
|---|---|---|
| 17 Jan 2026 | 32 € | Book Now |
| 08 Jan 2026 | 32 € | Book Now |
| 15 Jan 2026 | 36 € | Book Now |
| 11 Jan 2026 | 36 € | Book Now |
| 10 Jan 2026 | 36 € | Book Now |
Cheapest flights for February 2026
| Departure date | Cheapest price | |
|---|---|---|
| 08 Feb 2026 | 32 € | Book Now |
| 21 Feb 2026 | 32 € | Book Now |
| 22 Feb 2026 | 32 € | Book Now |
| 26 Feb 2026 | 32 € | Book Now |
| 07 Feb 2026 | 32 € | Book Now |
Cheapest flights for March 2026
| Departure date | Cheapest price | |
|---|---|---|
| 01 Mar 2026 | 33 € | Book Now |
| 05 Mar 2026 | 33 € | Book Now |
| 12 Mar 2026 | 33 € | Book Now |
| 15 Mar 2026 | 33 € | Book Now |
| 07 Mar 2026 | 37 € | 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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