Cheapest return flights from London to Grenoble in December from 54€

AirHint found the following cheapest return flights from London (STN) to Grenoble (GNB) in December 2025 (see full year).

Return flights

13 Dec - 14 Dec Ryanair direct
13 Dec - 20 Dec Ryanair direct
13 Dec - 18 Dec Ryanair direct
18 Dec - 20 Dec Ryanair direct
13 Dec - 13 Dec Ryanair direct
20 Dec - 10 Jan Ryanair direct
21 Dec - 10 Jan Ryanair direct
13 Dec - 21 Dec Ryanair direct
13 Dec - 28 Dec Ryanair direct
13 Dec - 27 Dec Ryanair direct
14 Dec - 18 Dec Ryanair direct
20 Dec - 21 Dec Ryanair direct
27 Dec - 17 Jan Ryanair direct
27 Dec - 10 Jan Ryanair direct
28 Dec - 17 Jan Ryanair direct
28 Dec - 10 Jan Ryanair direct
13 Dec - 03 Jan Ryanair direct
20 Dec - 03 Jan Ryanair direct
21 Dec - 03 Jan Ryanair direct
20 Dec - 04 Jan Ryanair direct

Also check the deals for one-way flights from London to Grenoble in December.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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