AirHint found the following cheapest one-way flights from Sydney (SYD) to Lisbon (LIS) in September 2025 (see full year).
One-Way flights
| 30 Sep | Turkish Airlines | ||
| 16 Sep | VietJet Air | ||
| 29 Sep | China Eastern | ||
| 22 Sep | VietJet Air | ||
| 28 Sep | Turkish Airlines | ||
| 20 Sep | Scoot | ||
| 15 Sep | Scoot | ||
| 21 Sep | Scoot | ||
| 17 Sep | VietJet Air | ||
| 18 Sep | Scoot |
Also check the deals for return flights from Sydney to Lisbon in September.
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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