AirHint found the following cheapest one-way flights from Lisbon (LIS) to Singapore (SIN) in December 2026 (see full year).
One-Way flights
| 02 Dec | Iberia | ||
| 03 Dec | easyJet | ||
| 16 Dec | TAP | ||
| 30 Dec | TAP | ||
| 14 Dec | Etihad Airways | ||
| 19 Dec | Ryanair | ||
| 20 Dec | Finnair |
Also check the deals for return flights from Lisbon to Singapore in December.
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