Cheapest return flights from Osaka to Ulaanbaatar in September from 247€

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

Return flights

07 Sep - 20 Sep Aero K Airlines
20 Sep - 24 Sep T'way Air
23 Sep - 28 Sep T'way Air
05 Sep - 10 Sep Air China
20 Sep - 22 Sep T'way Air
03 Sep - 10 Sep Air China
10 Sep - 17 Sep Air China
07 Sep - 12 Sep Air China
17 Sep - 22 Sep Air China
12 Sep - 16 Sep Air China
20 Sep - 05 Oct Jeju Air
27 Sep - 01 Oct T'way Air
20 Sep - 13 Oct Korean Air

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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