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

Return flights

18 Aug - 24 Aug	StarFlyer
30 Aug - 07 Sep	ANA
28 Aug - 05 Sep	Air China
29 Aug - 02 Sep	Air China
26 Aug - 31 Aug	Air China
23 Aug - 30 Aug	Air China
28 Aug - 30 Aug	Air China
27 Aug - 31 Aug	Air China
13 Aug - 20 Aug	Asiana Airlines
24 Aug - 26 Aug	Asiana Airlines
20 Aug - 26 Aug	Asiana Airlines
24 Aug - 02 Sep	Asiana Airlines
28 Aug - 08 Sep	Asiana Airlines
26 Aug - 03 Sep	Asiana Airlines
28 Aug - 01 Sep	Asiana Airlines
26 Aug - 30 Aug	HK Express
20 Aug - 22 Aug	Asiana Airlines
29 Aug - 01 Sep	Asiana Airlines
25 Aug - 03 Sep	Asiana Airlines
30 Aug - 01 Sep	Asiana 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 503€

Return flights