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

Return flights

27 Jan - 10 Feb	Asiana Airlines
31 Jan - 04 Feb	Air China
27 Jan - 30 Jan	Korean Air
24 Jan - 20 Feb	MIAT Mongolian Airlines	direct
24 Jan - 21 Feb	MIAT Mongolian Airlines	direct
24 Jan - 22 Feb	MIAT Mongolian Airlines	direct
30 Jan - 03 Feb	Korean Air
25 Jan - 03 Feb	Asiana Airlines
30 Jan - 13 Feb	Korean Air
20 Jan - 25 Jan	Asiana Airlines
25 Jan - 28 Jan	Korean Air
20 Jan - 19 Feb	Asiana Airlines
21 Jan - 23 Jan	Air China

Also check the deals for one-way flights from Tokyo 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 Tokyo to Ulaanbaatar in January from $477

Return flights