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

Return flights

02 Sep - 09 Sep	China Eastern
05 Sep - 23 Sep	Air China
05 Sep - 20 Sep	Air China
11 Sep - 18 Sep	Etihad Airways
03 Sep - 13 Sep	China Southern
15 Sep - 22 Sep	Sichuan Airlines
14 Sep - 21 Sep	Etihad Airways
18 Sep - 25 Oct	Etihad Airways
09 Sep - 20 Sep	Etihad Airways
18 Sep - 22 Oct	Etihad Airways
23 Sep - 25 Oct	Etihad Airways
23 Sep - 22 Oct	Etihad Airways
06 Sep - 13 Sep	Japan Airlines
25 Sep - 15 Oct	Etihad Airways
18 Sep - 15 Oct	Etihad Airways
15 Sep - 30 Oct	Etihad Airways
04 Sep - 13 Oct	Etihad Airways
16 Sep - 23 Sep	Etihad Airways
18 Sep - 16 Oct	Etihad Airways
23 Sep - 11 Oct	Etihad Airways

Also check the deals for one-way flights from Melbourne to Madrid 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 Melbourne to Madrid in September from $869

Return flights