AirHint found the following cheapest return flights from Adelaide (ADL) to Barcelona (BCN) in August 2026 (see full year).
Return flights
| 24 Aug - 31 Aug | Indonesia AirAsia | ||
| 25 Aug - 31 Aug | Indonesia AirAsia | ||
| 08 Aug - 19 Sep | Singapore Airlines | ||
| 14 Aug - 18 Sep | Singapore Airlines |
Also check the deals for one-way flights from Adelaide to Barcelona in August.
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