Cheapest return flights from London to Grenoble in December from 76€

Best time to book flights for London (STN) to Grenoble (GNB) flights at AirHint

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

Return flights

20 Dec - 10 Jan Ryanair direct
20 Dec - 08 Jan Ryanair direct
23 Dec - 10 Jan Ryanair direct
23 Dec - 08 Jan Ryanair direct
23 Dec - 11 Jan Ryanair direct
13 Dec - 14 Dec Ryanair direct
20 Dec - 21 Dec Ryanair direct
20 Dec - 30 Dec Ryanair direct
20 Dec - 01 Jan Ryanair direct
20 Dec - 27 Dec Ryanair direct
13 Dec - 21 Dec Ryanair direct
23 Dec - 30 Dec Ryanair direct
23 Dec - 01 Jan Ryanair direct
27 Dec - 10 Jan Ryanair direct
27 Dec - 13 Jan Ryanair direct
27 Dec - 08 Jan Ryanair direct
13 Dec - 30 Dec Ryanair direct
23 Dec - 27 Dec Ryanair direct
13 Dec - 27 Dec Ryanair direct
20 Dec - 28 Dec 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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