Cheapest return flights from Sydney to Barcelona in September from 752€

AirHint found the following cheapest return flights from Sydney (SYD) to Barcelona (BCN) in September 2025 (see full year).

Return flights

21 Sep - 31 Oct Air China
08 Sep - 14 Sep Scoot Tigerair
09 Sep - 16 Sep Air China
12 Sep - 18 Sep Etihad Airways
14 Sep - 26 Oct Air China
02 Sep - 18 Sep Air China
13 Sep - 27 Sep Etihad Airways
29 Sep - 21 Oct Etihad Airways
17 Sep - 24 Sep Turkish Airlines
04 Sep - 12 Sep Etihad Airways
04 Sep - 16 Sep Air China
26 Sep - 03 Oct Etihad Airways
23 Sep - 30 Sep Air China
02 Sep - 09 Sep Air China
24 Sep - 15 Oct Qantas
29 Sep - 18 Oct Etihad Airways
13 Sep - 02 Oct Etihad Airways
09 Sep - 02 Oct Etihad Airways
20 Sep - 09 Oct Air China
17 Sep - 03 Oct United

Also check the deals for one-way flights from Sydney to Barcelona in September.

Skyscanner

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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