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

Return flights

01 Dec - 07 Dec	Vueling Airlines
12 Dec - 14 Dec	Vueling Airlines
05 Dec - 07 Dec	Vueling Airlines
05 Dec - 07 Dec	Brussels Airlines	direct
30 Dec - 04 Jan	Brussels Airlines	direct
05 Dec - 24 Dec	Vueling Airlines

Also check the deals for one-way flights from Lyon to Brussels 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 Lyon to Brussels in December from 130€

Return flights