Cheapest return flights from Osaka to Ulaanbaatar in September from $373

Best time to book flights for Osaka (KIX) to Ulaanbaatar (UBN) flights at AirHint

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

Return flights

20 Sep - 24 Sep T'way Air
06 Sep - 12 Sep T'way Air
13 Sep - 17 Sep T'way Air
15 Sep - 20 Sep Air China
03 Sep - 06 Sep Air China
03 Sep - 10 Sep Air China
04 Sep - 10 Sep Air China
06 Sep - 09 Sep Korean Air
01 Sep - 08 Sep 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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