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

Return flights

23 Aug - 28 Aug	Jeju Air
31 Aug - 04 Sep	Jeju Air
16 Aug - 24 Sep	T'way Air
07 Aug - 28 Aug	Jeju Air
10 Aug - 21 Aug	Jeju Air
07 Aug - 11 Aug	Jeju Air
16 Aug - 21 Aug	Jeju Air
17 Aug - 21 Aug	Jeju Air
07 Aug - 14 Aug	Jeju Air
25 Aug - 03 Sep	Air China
15 Aug - 21 Aug	Jeju Air
09 Aug - 14 Aug	Jeju Air
10 Aug - 16 Aug	Jeju Air

Also check the deals for one-way flights from Fukuoka 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 Fukuoka to Ulaanbaatar in August from $353

Return flights