Cheapest return flights from Seoul to Ulaanbaatar in April from 270€

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

Return flights

23 Apr - 27 Apr MIAT Mongolian Airlines direct
24 Apr - 01 May Korean Air direct
17 Apr - 19 Apr Korean Air direct
01 Apr - 04 Apr Korean Air direct
03 Apr - 06 Apr Korean Air direct
15 Apr - 22 Apr Korean Air direct
13 Apr - 16 Apr Korean Air direct
01 Apr - 06 Apr Korean Air direct
08 Apr - 13 Apr Korean Air direct
20 Apr - 26 Apr Asiana Airlines direct
26 Apr - 02 May Korean Air direct
29 Apr - 06 May Korean Air direct
26 Apr - 06 May Korean Air direct
04 Apr - 07 Apr Asiana Airlines direct
30 Apr - 01 May Korean Air direct
30 Apr - 02 May Korean Air direct
30 Apr - 03 May Korean Air direct
30 Apr - 04 May Korean Air direct

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

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