Cheapest return flights from Ulaanbaatar to Seoul in May from 265€

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

Return flights

10 May - 11 May Asiana Airlines direct
04 May - 12 May MIAT Mongolian Airlines direct
14 May - 24 May Jeju Air direct
12 May - 19 May Jeju Air direct
23 May - 30 May Korean Air direct
11 May - 18 May Korean Air direct
22 May - 25 May Korean Air direct
01 May - 10 May Korean Air direct
15 May - 24 May Korean Air direct
09 May - 10 May Korean Air direct

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

Powered by

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 Seoul

Cheap car rent in Seoul

Feel free to contact us with any feedback or request another flight research.