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

Return flights

29 Jul - 13 Aug	Turkish Airlines
31 Jul - 18 Aug	Turkish Airlines
17 Jul - 23 Aug	Scoot Tigerair
07 Jul - 21 Jul	China Eastern
30 Jul - 06 Aug	Air China
25 Jul - 10 Aug	Air China
18 Jul - 17 Aug	Qatar Airways
30 Jul - 22 Aug	Qatar Airways
07 Jul - 22 Jul	China Eastern
16 Jul - 14 Aug	Turkish Airlines
31 Jul - 21 Aug	Qatar Airways
09 Jul - 21 Aug	China Eastern
19 Jul - 29 Jul	China Eastern
08 Jul - 12 Jul	Qatar Airways
20 Jul - 30 Jul	China Eastern
06 Jul - 13 Jul	Qatar Airways
25 Jul - 30 Jul	Qatar Airways
10 Jul - 17 Jul	China Eastern
04 Jul - 28 Jul	Etihad Airways
04 Jul - 21 Jul	Etihad Airways

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

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 Sydney to Lisbon in July from 1138€

Return flights