Cheapest return flights from Seoul to Ulaanbaatar in April from $246

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

21 Apr - 29 Apr Air China
22 Apr - 29 Apr Jeju Air direct
20 Apr - 24 Apr Jeju Air direct
04 Apr - 16 Apr Air China
16 Apr - 18 Apr Air China
21 Apr - 28 Apr Air China
13 Apr - 16 Apr Air China
24 Apr - 04 May Air China
15 Apr - 24 Apr Jeju Air direct
14 Apr - 02 May Air China
23 Apr - 29 Apr Air China
24 Apr - 29 Apr Air China
13 Apr - 01 May Air China
25 Apr - 02 May Korean Air direct
24 Apr - 04 May Korean Air direct
27 Apr - 01 May Jeju Air direct
27 Apr - 04 May Korean Air direct
26 Apr - 04 May Korean Air direct
26 Apr - 11 May Korean Air direct
26 Apr - 01 May Korean Air direct

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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