Cheapest one-way flights from Barcelona to Sydney in September from $478
AirHint found the following cheapest one-way flights from Barcelona (BCN) to Sydney (SYD) in September 2025 (see full year).
One-Way flights
| 30 Sep | Ryanair | ||
| 23 Sep | Ryanair | ||
| 24 Sep | Ryanair | ||
| 09 Sep | Ryanair | ||
| 10 Sep | Ryanair | ||
| 03 Sep | Ryanair | ||
| 16 Sep | Ryanair | ||
| 17 Sep | Ryanair | ||
| 08 Sep | Aegean Airlines | ||
| 01 Sep | Vueling Airlines |
Also check the deals for return flights from Barcelona to Sydney in September.
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.
