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

Return flights

10 Dec - 06 Jan	Aer Lingus
11 Dec - 15 Dec	Aer Lingus	direct
04 Dec - 08 Dec	Aer Lingus	direct
02 Dec - 06 Dec	Wizz Air UK
04 Dec - 07 Dec	Aer Lingus
11 Dec - 14 Dec	Aer Lingus
09 Dec - 06 Jan	Wizz Air UK
10 Dec - 12 Dec	Aer Lingus	direct
10 Dec - 13 Dec	Aer Lingus
02 Dec - 07 Dec	Wizz Air UK
06 Dec - 07 Dec	Wizz Air UK
13 Dec - 15 Dec	Wizz Air UK
17 Dec - 01 Jan	Aer Lingus
24 Dec - 01 Jan	Volotea
18 Dec - 04 Jan	Volotea
31 Dec - 06 Jan	Volotea
19 Dec - 04 Jan	Volotea
17 Dec - 03 Jan	Aer Lingus
21 Dec - 05 Jan	Aer Lingus
30 Dec - 05 Jan	easyJet

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 $127

Return flights