AirHint found the following cheapest one-way flights from Sydney (SYD) to Lisbon (LIS) in December 2025 (see full year).
One-Way flights
| 10 Dec | Scoot | ||
| 14 Dec | Scoot | ||
| 28 Dec | China Eastern | ||
| 13 Dec | AirAsia X | ||
| 31 Dec | China Eastern | ||
| 05 Dec | Scoot | ||
| 08 Dec | Scoot | ||
| 06 Dec | AirAsia X | ||
| 07 Dec | Hainan Airlines | ||
| 09 Dec | AirAsia X |
Also check the deals for return flights from Sydney to Lisbon in December.
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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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