Cheapest return flights from Sydney to Lisbon in September from $1324

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

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

Return flights

18 Sep - 02 Oct Turkish Airlines
19 Sep - 18 Oct Turkish Airlines
21 Sep - 08 Oct Turkish Airlines
08 Sep - 22 Sep British Airways
03 Sep - 12 Sep Turkish Airlines
02 Sep - 30 Sep Turkish Airlines
15 Sep - 10 Oct Qatar Airways
27 Sep - 11 Oct Emirates

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

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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