AirHint found the following cheapest return flights from Tokyo (TYO) to Ulaanbaatar (UBN) in May 2026 (see full year).

Return flights

23 May - 29 May	Korean Air
01 May - 06 May	Korean Air
02 May - 07 May	Asiana Airlines
29 May - 01 Jun	Korean Air
02 May - 05 May	Asiana Airlines
02 May - 06 May	Korean Air
02 May - 09 May	Korean Air
11 May - 18 May	Korean Air
03 May - 07 May	Asiana Airlines
01 May - 05 May	Asiana Airlines
23 May - 23 May	Korean Air

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

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 May from 517€

Return flights