AirHint found the following cheapest return flights from Osaka (KIX) to Ulaanbaatar (UBN) in July 2025 (see full year).

Return flights

13 Jul - 18 Jul	Jin Air
06 Jul - 13 Jul	T'way Air
03 Jul - 08 Jul	Jin Air
06 Jul - 09 Jul	T'way Air
10 Jul - 13 Jul	Air Busan
09 Jul - 13 Jul	T'way Air
12 Jul - 16 Jul	T'way Air
10 Jul - 11 Jul	T'way Air
05 Jul - 09 Jul	T'way Air
03 Jul - 06 Jul	T'way Air
30 Jul - 09 Aug	Jeju Air
30 Jul - 02 Aug	Jeju Air
30 Jul - 20 Aug	Air China
23 Jul - 20 Aug	Air China
23 Jul - 01 Aug	Cathay Pacific

Also check the deals for one-way flights from Osaka to Ulaanbaatar in July.

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 Osaka to Ulaanbaatar in July from $375

Return flights