Cheapest Ryanair flights Dublin to Grenoble from 15€

We have prepared for you the list of the cheapest deals for Ryanair flight from Dublin (DUB) to Grenoble (GNB) by the month of departure.

Cheapest flights for December 2025

Departure date Cheapest price
14 Dec 2025 15 € Book Now
21 Dec 2025 77 € Book Now
13 Dec 2025 112 € Book Now
20 Dec 2025 168 € Book Now
28 Dec 2025 293 € Book Now

Cheapest flights for January 2026

Departure date Cheapest price
18 Jan 2026 42 € Book Now
25 Jan 2026 50 € Book Now
11 Jan 2026 106 € Book Now
04 Jan 2026 106 € Book Now
24 Jan 2026 145 € Book Now

Cheapest flights for February 2026

Departure date Cheapest price
28 Feb 2026 76 € Book Now
08 Feb 2026 76 € Book Now
01 Feb 2026 94 € Book Now
21 Feb 2026 147 € Book Now
22 Feb 2026 147 € Book Now

Cheapest flights for March 2026

Departure date Cheapest price
01 Mar 2026 73 € Book Now
21 Mar 2026 74 € Book Now
15 Mar 2026 95 € Book Now
28 Mar 2026 95 € Book Now
08 Mar 2026 99 € 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.

Ryanair deals from Dublin to all destinations

Ryanair deals from Grenoble to all destinations

Feel free to contact us with any feedback or request another flight research.