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

Return flights

01 Oct - 08 Oct	Asiana Airlines
06 Oct - 08 Oct	Asiana Airlines
01 Oct - 30 Oct	Asiana Airlines
21 Oct - 28 Oct	Asiana Airlines
14 Oct - 21 Oct	Japan Airlines
15 Oct - 22 Oct	Asiana Airlines
05 Oct - 15 Oct	Asiana Airlines
05 Oct - 08 Oct	Asiana Airlines
20 Oct - 24 Oct	Asiana Airlines
15 Oct - 17 Oct	Asiana Airlines
28 Oct - 04 Nov	Air China
27 Oct - 03 Nov	Air China
29 Oct - 05 Nov	Air China
30 Oct - 06 Nov	Air China
31 Oct - 07 Nov	Air China
26 Oct - 02 Nov	Tianjin Airlines
01 Oct - 01 Nov	Air China
27 Oct - 01 Nov	Air China
28 Oct - 01 Nov	Air China
28 Oct - 02 Nov	Air China

Also check the deals for one-way flights from Tokyo to Ulaanbaatar 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 Tokyo to Ulaanbaatar in October from $414

Return flights