Cheapest return flights from Madrid to Sydney in September from 728€

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

Return flights

08 Sep - 17 Sep Sichuan Airlines
22 Sep - 25 Oct Sichuan Airlines
08 Sep - 14 Sep Sichuan Airlines
09 Sep - 16 Sep Air China
04 Sep - 18 Sep Air China
07 Sep - 18 Sep Air China
03 Sep - 16 Sep Air China
07 Sep - 30 Sep Sichuan Airlines
07 Sep - 05 Oct Sichuan Airlines
15 Sep - 30 Sep Sichuan Airlines
17 Sep - 15 Oct Ryanair
08 Sep - 19 Sep Sichuan Airlines
06 Sep - 17 Sep China Eastern
17 Sep - 05 Oct Sichuan Airlines
17 Sep - 03 Oct Sichuan Airlines
21 Sep - 12 Oct Etihad Airways
22 Sep - 03 Oct Sichuan Airlines
14 Sep - 05 Oct Sichuan Airlines
04 Sep - 28 Oct Air China
19 Sep - 11 Oct Beijing Capital Airlines

Also check the deals for one-way flights from Madrid to Sydney 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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