AirHint found the following cheapest return flights from Sydney (SYD) to Lisbon (LIS) in December 2025 (see full year).
Return flights
| 29 Dec - 20 Jan | Jetstar | ||
| 29 Dec - 05 Jan | Jetstar | ||
| 30 Dec - 06 Jan | Batik Air Malaysia | ||
| 26 Dec - 08 Jan | AirAsia X | ||
| 31 Dec - 16 Jan | Air France | ||
| 28 Dec - 02 Jan | Emirates |
Also check the deals for one-way 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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