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

Return flights

10 Sep - 03 Oct	Sichuan Airlines
21 Sep - 03 Oct	Sichuan Airlines
10 Sep - 01 Oct	Air China
09 Sep - 14 Sep	Air China
02 Sep - 16 Sep	Wizz Air Malta
12 Sep - 21 Sep	Air China
02 Sep - 10 Sep	Air China
21 Sep - 15 Oct	Ryanair
06 Sep - 04 Oct	Wizz Air Malta
06 Sep - 24 Sep	Wizz Air Malta
16 Sep - 19 Sep	Air Europa
03 Sep - 07 Sep	Wizz Air Malta
02 Sep - 09 Sep	Wizz Air Malta
22 Sep - 03 Oct	Sichuan Airlines
15 Sep - 21 Sep	Air China
01 Sep - 21 Sep	Sichuan Airlines

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

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Cheapest return flights from Madrid to Melbourne in September from 705€

Return flights