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

Return flights

14 Oct - 17 Oct	Asiana Airlines
17 Oct - 20 Oct	Asiana Airlines
19 Oct - 25 Oct	Air China
08 Oct - 22 Oct	Asiana Airlines
10 Oct - 17 Oct	Asiana Airlines
16 Oct - 20 Oct	Asiana Airlines
02 Oct - 23 Oct	Air China
17 Oct - 19 Oct	Air China
18 Oct - 20 Oct	Air China
02 Oct - 05 Oct	Air China
31 Oct - 04 Nov	Air China
31 Oct - 02 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.

Book a cheap hotel in Ulaanbaatar

Cheap car rent in Ulaanbaatar

Cheapest return flights from Tokyo to Ulaanbaatar in October from $534

Return flights