AirHint found the following cheapest return flights from Sydney (SYD) to Lisbon (LIS) in October 2026 (see full year).
Return flights
| 22 Oct - 16 Nov | Turkish Airlines | ||
| 01 Oct - 17 Oct | Turkish Airlines | ||
| 02 Oct - 11 Oct | Turkish Airlines | ||
| 15 Oct - 03 Nov | Singapore Airlines |
Also check the deals for one-way flights from Sydney to Lisbon in October.
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