Cheapest return flights from Tokyo to Ulaanbaatar in December from $343

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

Return flights

02 Dec - 09 Dec Aero Mongolia direct
05 Dec - 12 Dec Aero Mongolia direct
09 Dec - 16 Dec Aero Mongolia direct
12 Dec - 19 Dec Aero Mongolia direct
14 Dec - 21 Dec Aero Mongolia direct
16 Dec - 23 Dec Aero Mongolia direct
01 Dec - 08 Dec MIAT Mongolian Airlines direct
04 Dec - 11 Dec MIAT Mongolian Airlines direct
03 Dec - 10 Dec MIAT Mongolian Airlines direct
10 Dec - 17 Dec MIAT Mongolian Airlines direct
26 Dec - 02 Jan Aero Mongolia direct
30 Dec - 06 Jan Aero Mongolia direct
25 Dec - 01 Jan MIAT Mongolian Airlines direct
31 Dec - 07 Jan MIAT Mongolian Airlines direct
31 Dec - 15 Jan Korean Air
28 Dec - 04 Jan Aero Mongolia direct
30 Dec - 15 Jan Asiana Airlines
29 Dec - 15 Jan Jeju Air
29 Dec - 05 Jan MIAT Mongolian Airlines direct
29 Dec - 06 Jan Jeju Air

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

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