Cheapest one-way flights from London to Grenoble in December from 39€

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

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

One-Way flights

20 Dec Ryanair direct
18 Dec Ryanair direct
14 Dec Ryanair direct
23 Dec Ryanair direct
13 Dec Ryanair direct
21 Dec Ryanair direct
27 Dec Ryanair direct
28 Dec Ryanair direct
11 Dec Ryanair direct
26 Dec Ryanair

Also check the deals for return 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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