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

Return flights

19 Dec - 06 Jan	Aer Lingus
19 Dec - 07 Jan	Aer Lingus
19 Dec - 05 Jan	Aer Lingus
10 Dec - 12 Dec	Aer Lingus	direct
11 Dec - 15 Dec	Aer Lingus
10 Dec - 13 Dec	Aer Lingus
15 Dec - 18 Dec	Aer Lingus
13 Dec - 16 Dec	Aer Lingus
12 Dec - 14 Dec	Aer Lingus
11 Dec - 14 Dec	Aer Lingus
18 Dec - 21 Dec	Aer Lingus
19 Dec - 24 Dec	Aer Lingus
19 Dec - 23 Dec	Aer Lingus
19 Dec - 07 Jan	Aer Lingus	direct
31 Dec - 06 Jan	Wizz Air
31 Dec - 07 Jan	easyJet
18 Dec - 05 Jan	Aer Lingus
19 Dec - 06 Jan	Aer Lingus	direct
26 Dec - 07 Jan	easyJet
30 Dec - 05 Jan	Wizz Air Malta

Also check the deals for one-way flights from Lyon to Dublin 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 Dublin in December from 100€

Return flights