Cheapest return flights from London to Grenoble in December from 51€

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

Return flights

14 Dec - 18 Dec Ryanair direct
18 Dec - 11 Jan Ryanair direct
20 Dec - 21 Dec Ryanair direct
14 Dec - 21 Dec Ryanair direct
18 Dec - 21 Dec Ryanair direct
20 Dec - 08 Jan Ryanair direct
21 Dec - 08 Jan Ryanair direct
21 Dec - 10 Jan Ryanair direct
20 Dec - 27 Dec Jet2 direct
21 Dec - 27 Dec Ryanair direct
14 Dec - 27 Dec Ryanair direct
13 Dec - 14 Dec Ryanair
13 Dec - 14 Dec Ryanair direct
13 Dec - 18 Dec Ryanair direct
14 Dec - 01 Jan Ryanair direct
20 Dec - 01 Jan Ryanair direct
18 Dec - 01 Jan Ryanair direct
21 Dec - 01 Jan Ryanair direct
28 Dec - 11 Jan Ryanair direct
28 Dec - 15 Jan Ryanair direct

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

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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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