Cheapest return flights from Osaka to Ulaanbaatar in September from $305

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

Return flights

08 Sep - 12 Sep Jin Air
06 Sep - 17 Sep T'way Air
23 Sep - 28 Sep T'way Air
06 Sep - 10 Sep T'way Air
09 Sep - 12 Sep T'way Air
07 Sep - 20 Sep Jin Air
13 Sep - 15 Sep T'way Air
12 Sep - 16 Sep Asiana Airlines
28 Sep - 02 Oct Jin Air
17 Sep - 20 Sep Air China
18 Sep - 23 Sep Air China
24 Sep - 03 Oct Cathay Pacific

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

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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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