AirHint found the following cheapest return flights from Lille (LIL) to Barcelona (BCN) in December 2026 (see full year).
Return flights
| 21 Dec - 01 Jan | Volotea | direct | |
| 21 Dec - 06 Jan | Volotea | direct | |
| 18 Dec - 03 Jan | easyJet | ||
| 28 Dec - 01 Jan | Volotea | direct | |
| 28 Dec - 06 Jan | Volotea | direct | |
| 26 Dec - 30 Dec | Volotea |
Also check the deals for one-way flights from Lille to Barcelona in December.
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