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

Return flights

12 Sep - 19 Sep	Air China
12 Sep - 24 Sep	Air China
19 Sep - 25 Oct	Air China
19 Sep - 24 Oct	Air China
10 Sep - 23 Sep	Air China
25 Sep - 17 Oct	AirAsia X
17 Sep - 13 Oct	Turkish Airlines
01 Sep - 13 Oct	Turkish Airlines
12 Sep - 26 Sep	Air China
20 Sep - 25 Oct	Turkish Airlines
18 Sep - 24 Oct	AirAsia X
17 Sep - 30 Sep	AirAsia X
09 Sep - 21 Oct	Qatar Airways
11 Sep - 16 Sep	Etihad Airways
18 Sep - 20 Oct	Etihad Airways
28 Sep - 18 Oct	Air China
14 Sep - 21 Sep	Qatar Airways
09 Sep - 19 Sep	Qatar Airways
03 Sep - 20 Sep	Emirates
01 Sep - 11 Sep	Iberia

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 $953

Return flights