AirHint found the following cheapest return flights from Adelaide (ADL) to Barcelona (BCN) in December 2025 (see full year).
Return flights
| 10 Dec - 18 Dec | Qatar Airways | ||
| 14 Dec - 30 Dec | Qatar Airways | ||
| 18 Dec - 08 Jan | Indonesia AirAsia | ||
| 26 Dec - 26 Jan | Qatar Airways | ||
| 22 Dec - 30 Dec | Qantas | ||
| 18 Dec - 02 Jan | Qatar Airways |
Also check the deals for one-way flights from Adelaide to Barcelona in December.
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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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