AirHint found the following cheapest return flights from Lisbon (LIS) to Sydney (SYD) in August 2026 (see full year).
Return flights
| 09 Aug - 30 Aug | Etihad Airways | ||
| 30 Aug - 05 Sep | Etihad Airways | ||
| 27 Aug - 01 Sep | TAP | ||
| 08 Aug - 22 Aug | SWISS | ||
| 07 Aug - 14 Aug | Lufthansa | ||
| 27 Aug - 13 Sep | Air Canada | ||
| 20 Aug - 13 Sep | Air Canada |
Also check the deals for one-way flights from Lisbon to Sydney in August.
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