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

Return flights

01 Dec - 12 Dec	Etihad Airways
19 Dec - 02 Jan	Air China
04 Dec - 02 Jan	Qatar Airways
27 Dec - 03 Jan	Qatar Airways
11 Dec - 25 Dec	Singapore Airlines
20 Dec - 10 Jan	Scoot Tigerair
22 Dec - 09 Jan	Singapore Airlines
23 Dec - 11 Jan	Qantas
19 Dec - 08 Jan	Turkish Airlines
18 Dec - 12 Jan	Singapore Airlines
15 Dec - 07 Jan	Turkish Airlines
11 Dec - 06 Jan	Qatar Airways

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

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 December from $1248

Return flights