AirHint found the following cheapest return flights from Singapore (SIN) to Ulaanbaatar (UBN) in January 2026 (see full year).

Return flights

13 Jan - 20 Jan	Shenzhen Airlines
27 Jan - 03 Feb	AirAsia
25 Jan - 01 Feb	Xiamen Airlines
20 Jan - 27 Jan	Air China
17 Jan - 24 Jan	Air China
29 Jan - 05 Feb	Scoot
28 Jan - 04 Feb	Scoot
15 Jan - 22 Jan	Shenzhen Airlines
21 Jan - 28 Jan	AirAsia
22 Jan - 29 Jan	Shenzhen Airlines
07 Jan - 14 Jan	AirAsia
14 Jan - 21 Jan	Air China
16 Jan - 23 Jan	Air China
11 Jan - 18 Jan	Air China
26 Jan - 02 Feb	Scoot
31 Jan - 07 Feb	MIAT Mongolian Airlines
30 Jan - 06 Feb	China Eastern

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

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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Cheapest return flights from Singapore to Ulaanbaatar in January from $509

Return flights