Cheapest return flights from Singapore to Lisbon in December from $672

AirHint found the following cheapest return flights from Singapore (SIN) to Lisbon (LIS) in December 2025 (see full year).

Return flights

25 Dec - 09 Jan Etihad Airways
22 Dec - 28 Dec KLM
16 Dec - 04 Jan Turkish Airlines
22 Dec - 04 Jan Etihad Airways
08 Dec - 23 Dec Etihad Airways
08 Dec - 17 Dec Qatar Airways
10 Dec - 22 Dec Qatar Airways
20 Dec - 04 Jan Qatar Airways
19 Dec - 03 Jan Qatar Airways
20 Dec - 03 Jan Qatar Airways
13 Dec - 27 Dec IndiGo
12 Dec - 20 Dec Qatar Airways
20 Dec - 20 Dec Qatar Airways
18 Dec - 18 Dec SWISS
19 Dec - 02 Jan SWISS
12 Dec - 22 Dec SWISS
12 Dec - 21 Dec TAP
25 Dec - 01 Jan Emirates

Also check the deals for one-way flights from Singapore 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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