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

Return flights

18 Aug - 25 Aug	Turkish Airlines
04 Aug - 25 Aug	Turkish Airlines
06 Aug - 21 Aug	Turkish Airlines
13 Aug - 20 Aug	Etihad Airways
13 Aug - 31 Aug	Etihad Airways
13 Aug - 30 Aug	Turkish Airlines
13 Aug - 29 Aug	Air China
12 Aug - 04 Sep	Qatar Airways
05 Aug - 04 Sep	Emirates
09 Aug - 01 Sep	Emirates
08 Aug - 06 Sep	Qatar Airways
18 Aug - 31 Aug	Emirates
15 Aug - 14 Sep	Emirates
02 Aug - 09 Aug	Emirates
31 Aug - 25 Sep	Qatar Airways
29 Aug - 04 Sep	Qatar Airways

Also check the deals for one-way flights from Melbourne to Lisbon in August.

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 August from 1143€

Return flights