Cheapest return flights from Sydney to Lisbon in September from $1171

AirHint found the following cheapest return flights from Sydney (SYD) to Lisbon (LIS) in September 2026 (see full year).

Return flights

17 Sep - 12 Oct Thai Airways
16 Sep - 12 Oct Turkish Airlines
13 Sep - 17 Oct Turkish Airlines
11 Sep - 02 Oct Scoot
01 Sep - 06 Sep Turkish Airlines
26 Sep - 06 Oct British Airways
01 Sep - 29 Sep Emirates
15 Sep - 19 Sep Air Canada

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

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