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

Return flights

19 Aug - 08 Sep	Jetstar
18 Aug - 25 Aug	China Eastern
31 Aug - 07 Sep	Air China
21 Aug - 28 Aug	Japan Airlines
21 Aug - 04 Sep	Japan Airlines
20 Aug - 25 Aug	Scoot
19 Aug - 26 Aug	Jetstar
19 Aug - 22 Sep	Jetstar
19 Aug - 23 Sep	Jetstar
18 Aug - 18 Sep	China Eastern
20 Aug - 24 Sep	Scoot
31 Aug - 26 Sep	Air China
26 Aug - 10 Sep	Air China
20 Aug - 30 Aug	Japan Airlines
19 Aug - 24 Sep	Hainan Airlines
20 Aug - 27 Aug	Emirates
21 Aug - 31 Aug	Air China
23 Aug - 30 Aug	Air China
22 Aug - 30 Aug	Iberia

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

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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Cheapest return flights from Sydney to Madrid in August from 882€

Return flights