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

Return flights

08 Aug - 12 Aug	United	direct
22 Aug - 26 Aug	T'way Air
09 Aug - 17 Aug	MIAT Mongolian Airlines
05 Aug - 12 Aug	Jin Air
10 Aug - 15 Sep	Aero Mongolia
08 Aug - 16 Aug	T'way Air
06 Aug - 15 Aug	Air China
20 Aug - 27 Aug	Air China
21 Aug - 22 Aug	Jeju Air
22 Aug - 26 Aug	United	direct
09 Aug - 12 Aug	Air China

Also check the deals for one-way flights from Ulaanbaatar to Tokyo 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 Ulaanbaatar to Tokyo in August from 401€

Return flights