AirHint found the following cheapest return flights from Perth (PER) to Lisbon (LIS) in December 2025 (see full year).
Return flights
| 08 Dec - 23 Dec | Jetstar | ||
| 31 Dec - 15 Jan | Scoot | ||
| 30 Dec - 06 Jan | Scoot | ||
| 03 Dec - 07 Dec | Malaysia Airlines |
Also check the deals for one-way flights from Perth to Lisbon in December.
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