AirHint found the following cheapest return flights from Avalon (AVV) to Barcelona (BCN) in December 2025 (see full year).
Return flights
| 03 Dec - 07 Dec | Jetstar | ||
| 03 Dec - 10 Dec | Jetstar | ||
| 23 Dec - 06 Jan | Jetstar | ||
| 21 Dec - 04 Jan | Jetstar |
Also check the deals for one-way flights from Avalon to Barcelona in December.
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