Cheapest Ryanair flights Dublin to Grenoble from $39

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 $ 39 Book Now
13 Dec 2025 $ 48 Book Now
21 Dec 2025 $ 117 Book Now
20 Dec 2025 $ 131 Book Now
28 Dec 2025 $ 233 Book Now

Cheapest flights for January 2026

Departure date Cheapest price
04 Jan 2026 $ 79 Book Now
18 Jan 2026 $ 86 Book Now
11 Jan 2026 $ 89 Book Now
25 Jan 2026 $ 96 Book Now
03 Jan 2026 $ 140 Book Now

Cheapest flights for February 2026

Departure date Cheapest price
28 Feb 2026 $ 96 Book Now
08 Feb 2026 $ 115 Book Now
01 Feb 2026 $ 115 Book Now
07 Feb 2026 $ 157 Book Now
21 Feb 2026 $ 172 Book Now

Cheapest flights for March 2026

Departure date Cheapest price
01 Mar 2026 $ 86 Book Now
21 Mar 2026 $ 86 Book Now
15 Mar 2026 $ 89 Book Now
28 Mar 2026 $ 110 Book Now
22 Mar 2026 $ 115 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

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