Cheapest return flights from Lisbon to Sydney in August from $1397

Best time to book flights for Lisbon (LIS) to Sydney (SYD) flights at AirHint

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

Return flights

12 Aug - 30 Sep TAP
18 Aug - 23 Sep Turkish Airlines
12 Aug - 09 Sep Ryanair
09 Aug - 14 Aug British Airways
13 Aug - 20 Aug British Airways
20 Aug - 27 Aug Turkish Airlines
31 Aug - 12 Sep British Airways
05 Aug - 26 Aug Turkish Airlines
15 Aug - 01 Sep British Airways

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

Skyscanner

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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