Cheapest return flights from Singapore to Ulaanbaatar in December from $582

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

Return flights

30 Dec - 06 Jan Spring Airlines
29 Dec - 05 Jan Spring Airlines
31 Dec - 07 Jan Spring Airlines
25 Dec - 01 Jan Spring Airlines
24 Dec - 31 Dec China Eastern
27 Dec - 03 Jan Xiamen Airlines
28 Dec - 04 Jan Xiamen Airlines
26 Dec - 02 Jan Spring Airlines
27 Dec - 03 Jan MIAT Mongolian Airlines direct
27 Dec - 30 Dec Air China
26 Dec - 30 Dec Air China

Also check the deals for one-way flights from Singapore to Ulaanbaatar in December.

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