Cheapest return flights from London to Grenoble in December from 68€

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

Return flights

20 Dec - 11 Jan Ryanair direct
20 Dec - 10 Jan Ryanair direct
18 Dec - 27 Dec Ryanair direct
20 Dec - 27 Dec Ryanair direct
21 Dec - 11 Jan Ryanair direct
18 Dec - 21 Dec Ryanair direct
20 Dec - 21 Dec Ryanair direct
20 Dec - 28 Dec Ryanair direct
13 Dec - 13 Dec Ryanair direct
21 Dec - 27 Dec Ryanair direct
04 Dec - 13 Dec Ryanair
04 Dec - 14 Dec Ryanair
13 Dec - 20 Dec Ryanair
20 Dec - 03 Jan Ryanair direct
18 Dec - 04 Jan Ryanair direct
20 Dec - 04 Jan Ryanair direct
27 Dec - 10 Jan Jet2 direct
27 Dec - 01 Jan Ryanair direct
31 Dec - 03 Jan Ryanair
19 Dec - 04 Jan Ryanair

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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