AirHint found the following cheapest return flights from Ulaanbaatar (UBN) to Tokyo (NRT) in October 2025 (see full year).

Return flights

03 Oct - 05 Oct	United	direct
17 Oct - 19 Oct	Jin Air
16 Oct - 23 Oct	Jeju Air
10 Oct - 19 Oct	Jin Air
17 Oct - 23 Oct	Jin Air
10 Oct - 16 Oct	Jin Air
10 Oct - 23 Oct	Jin Air
20 Oct - 23 Oct	Jin Air
16 Oct - 21 Oct	Korean Air
01 Oct - 01 Nov	Korean Air
09 Oct - 16 Oct	Korean Air

Also check the deals for one-way flights from Ulaanbaatar to Tokyo in October.

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 Ulaanbaatar to Tokyo in October from $437

Return flights