AirHint found the following cheapest return flights from Lille (LIL) to Barcelona (BCN) in December 2025 (see full year).

Return flights

07 Dec - 22 Dec	Volotea	direct
07 Dec - 14 Dec	Volotea
08 Dec - 15 Dec	easyJet
07 Dec - 14 Dec	Volotea	direct
15 Dec - 22 Dec	easyJet
07 Dec - 26 Dec	Volotea	direct
19 Dec - 22 Dec	Volotea	direct
19 Dec - 26 Dec	Ryanair
19 Dec - 26 Dec	Volotea	direct

Also check the deals for one-way flights from Lille to Barcelona 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 Lille to Barcelona in December from 134€

Return flights