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

Return flights

18 Aug - 25 Aug	Aero K Airlines
29 Aug - 07 Sep	MIAT Mongolian Airlines	direct
30 Aug - 04 Sep	Jeju Air
28 Aug - 03 Sep	T'way Air
08 Aug - 11 Aug	Aero K Airlines
30 Aug - 01 Sep	Jeju Air
31 Aug - 03 Sep	T'way Air
26 Aug - 31 Aug	T'way Air
30 Aug - 31 Aug	T'way Air
26 Aug - 07 Sep	T'way Air
23 Aug - 29 Aug	T'way Air
28 Aug - 01 Sep	Jeju Air
05 Aug - 05 Sep	United	direct
31 Aug - 05 Sep	United	direct
28 Aug - 01 Sep	United	direct
05 Aug - 08 Aug	United	direct
24 Aug - 27 Aug	T'way Air
24 Aug - 29 Aug	T'way Air
23 Aug - 27 Aug	T'way Air
09 Aug - 12 Aug	Aero K Airlines

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

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 August from 360€

Return flights