Cheapest return flights from Seoul to Ulaanbaatar in April from 218€

Best time to book flights for Seoul (ICN) to Ulaanbaatar (UBN) flights at AirHint

AirHint found the following cheapest return flights from Seoul (ICN) to Ulaanbaatar (UBN) in April 2025 (see full year).

Return flights

01 Apr - 06 Apr Jeju Air direct
03 Apr - 10 Apr Jeju Air direct
01 Apr - 10 Apr Jeju Air direct
10 Apr - 15 Apr Jeju Air direct
08 Apr - 17 Apr Jeju Air direct
03 Apr - 06 Apr Jeju Air direct
01 Apr - 08 Apr Jeju Air direct
15 Apr - 22 Apr Jeju Air direct
24 Apr - 29 Apr Jeju Air direct
06 Apr - 20 Apr Jeju Air direct
27 Apr - 04 May Jeju Air direct
20 Apr - 20 May Jeju Air direct
29 Apr - 08 May Jeju Air direct
27 Apr - 01 May Korean Air direct
26 Apr - 04 May Korean Air direct
30 Apr - 10 May Korean Air direct
30 Apr - 03 May Korean Air direct
30 Apr - 04 May Korean Air direct
30 Apr - 06 May Air China

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

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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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