Cheapest one-way flights from Singapore to Lisbon in December from $334

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

One-Way flights

27 Dec Etihad Airways
08 Dec Turkish Airlines
10 Dec Turkish Airlines
09 Dec Turkish Airlines
14 Dec Juneyao Airlines
16 Dec Juneyao Airlines
21 Dec Juneyao Airlines
19 Dec Air India
18 Dec Turkish Airlines
23 Dec Lufthansa

Also check the deals for return 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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