AirHint found the following cheapest return flights from Melbourne (MEL) to Barcelona (BCN) in October 2025 (see full year).

Return flights

13 Oct - 25 Nov	Qantas
13 Oct - 21 Oct	Turkish Airlines
08 Oct - 21 Oct	Qantas
22 Oct - 26 Oct	Qantas
10 Oct - 21 Nov	Etihad Airways
27 Oct - 18 Nov	Etihad Airways
29 Oct - 11 Nov	Etihad Airways
26 Oct - 18 Nov	Etihad Airways
25 Oct - 01 Nov	Qantas
31 Oct - 03 Nov	Turkish Airlines
08 Oct - 25 Oct	Qantas
11 Oct - 24 Oct	China Eastern
08 Oct - 22 Oct	Etihad Airways
15 Oct - 22 Oct	Etihad Airways
08 Oct - 24 Oct	Turkish Airlines
11 Oct - 25 Oct	Turkish Airlines
08 Oct - 19 Oct	Qatar Airways
29 Oct - 12 Nov	Emirates
22 Oct - 06 Nov	Emirates
08 Oct - 01 Nov	Emirates

Also check the deals for one-way flights from Melbourne to Barcelona in October.

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 Barcelona in October from 673€

Return flights