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

Return flights

03 Dec - 23 Dec	Turkish Airlines
04 Dec - 15 Jan	Etihad Airways
24 Dec - 23 Jan	Etihad Airways
03 Dec - 08 Jan	Emirates
10 Dec - 07 Jan	Emirates
15 Dec - 19 Jan	Emirates
15 Dec - 04 Jan	Emirates
06 Dec - 16 Dec	Qantas

Also check the deals for one-way flights from Melbourne to Lisbon 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 Lisbon in December from 1113€

Return flights