Cheapest return flights from Sydney to Barcelona in September from $999

Best time to book flights for Sydney (SYD) to Barcelona (BCN) flights at AirHint

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

Return flights

30 Sep - 11 Oct Turkish Airlines
17 Sep - 04 Oct Turkish Airlines
15 Sep - 22 Sep Singapore Airlines
01 Sep - 24 Sep Singapore Airlines
09 Sep - 25 Sep Qatar Airways
10 Sep - 25 Sep Qatar Airways
12 Sep - 25 Sep Qatar Airways
11 Sep - 03 Oct Qatar Airways
12 Sep - 03 Oct Qatar Airways
18 Sep - 29 Sep Scoot Tigerair
01 Sep - 15 Sep Scoot Tigerair
04 Sep - 15 Sep Air Canada
08 Sep - 02 Oct Air Canada
20 Sep - 11 Oct Qatar Airways

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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