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

Return flights

17 Oct - 20 Oct	Japan Airlines
17 Oct - 21 Oct	Air Do
17 Oct - 24 Oct	Asiana Airlines
02 Oct - 23 Oct	HK Express
17 Oct - 19 Oct	Japan Airlines
15 Oct - 20 Oct	Asiana Airlines
13 Oct - 17 Oct	Air China
16 Oct - 22 Oct	Air China
16 Oct - 20 Oct	Air China
13 Oct - 20 Oct	Air China
30 Oct - 03 Nov	Air China
31 Oct - 04 Nov	Air China
31 Oct - 03 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 361€

Return flights