Cheapest return flights from Seoul to Ulaanbaatar in May from 262€

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

Return flights

16 May - 29 May MIAT Mongolian Airlines direct
15 May - 30 Jun MIAT Mongolian Airlines direct
03 May - 05 May MIAT Mongolian Airlines direct
17 May - 22 May Aero Mongolia direct
23 May - 27 May Aero Mongolia direct
01 May - 05 May MIAT Mongolian Airlines direct
11 May - 16 May Aero Mongolia direct
04 May - 10 May Aero Mongolia direct
26 May - 29 May MIAT Mongolian Airlines direct
28 May - 30 May MIAT Mongolian Airlines direct
07 May - 12 May MIAT Mongolian Airlines direct
26 May - 05 Jun MIAT Mongolian Airlines direct

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

Skyscanner

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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