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

Return flights

24 Dec - 31 Dec	Ryanair	direct
20 Dec - 24 Dec	Ryanair	direct
20 Dec - 31 Dec	Ryanair	direct
31 Dec - 17 Jan	Ryanair	direct
20 Dec - 27 Dec	Ryanair	direct
20 Dec - 10 Jan	easyJet	direct
18 Dec - 24 Dec	Ryanair
17 Dec - 21 Dec	easyJet
31 Dec - 10 Jan	Ryanair	direct
24 Dec - 10 Jan	Ryanair	direct
11 Dec - 14 Dec	Ryanair
24 Dec - 03 Jan	Ryanair	direct
24 Dec - 28 Dec	Ryanair
18 Dec - 21 Dec	Ryanair
13 Dec - 31 Dec	Ryanair	direct
24 Dec - 04 Jan	Ryanair
27 Dec - 10 Jan	easyJet	direct
27 Dec - 03 Jan	easyJet	direct
27 Dec - 02 Jan	Ryanair
27 Dec - 04 Jan	Ryanair

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

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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Cheapest return flights from Bristol to Grenoble in December from 47€

Return flights