AirHint found the following cheapest return flights from Miami (MIA) to Singapore (SIN) in December 2025 (see full year).
Return flights
| 23 Dec - 14 Jan | Spirit Airlines | ||
| 13 Dec - 10 Jan | Turkish Airlines | ||
| 17 Dec - 04 Jan | Delta |
Also check the deals for one-way flights from Miami to Singapore in December.
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