AirHint found the following cheapest return flights from Brussels (BRU) to Geneva (GVA) in December 2025 (see full year).

Return flights

18 Dec - 23 Dec	Brussels Airlines	direct
16 Dec - 19 Dec	easyJet	direct
31 Dec - 02 Jan	easyJet	direct
21 Dec - 27 Dec	easyJet	direct
17 Dec - 25 Dec	Vueling Airlines
16 Dec - 25 Dec	Vueling Airlines
18 Dec - 25 Dec	Vueling Airlines
17 Dec - 31 Dec	Vueling Airlines
16 Dec - 31 Dec	Vueling Airlines
18 Dec - 31 Dec	Vueling Airlines
17 Dec - 29 Dec	Vueling Airlines

Also check the deals for one-way flights from Brussels to Geneva 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 Brussels to Geneva in December from $121

Return flights