AirHint found the following cheapest return flights from Las Vegas (LAS) to Singapore (SIN) in December 2025 (see full year).
Return flights
| 03 Dec - 10 Dec | United | ||
| 10 Dec - 22 Dec | WestJet | ||
| 23 Dec - 18 Jan | United | ||
| 22 Dec - 29 Dec | United | ||
| 20 Dec - 06 Jan | WestJet |
Also check the deals for one-way flights from Las Vegas to Singapore in December.
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