Cheapest return flights from Seoul to Ulaanbaatar in April from 299€

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

07 Apr - 11 Apr Asiana Airlines direct
23 Apr - 25 Apr Asiana Airlines direct
04 Apr - 07 Apr Asiana Airlines direct
14 Apr - 18 Apr Asiana Airlines direct
21 Apr - 25 Apr Asiana Airlines direct
30 Apr - 07 May Asiana Airlines direct
17 Apr - 19 Apr Korean Air direct
24 Apr - 26 Apr Korean Air direct
02 Apr - 06 Apr Korean Air direct
17 Apr - 20 Apr Korean Air direct
07 Apr - 10 Apr Korean Air direct
30 Apr - 08 May Korean Air direct
27 Apr - 02 May Korean Air direct
27 Apr - 04 May Korean Air direct
30 Apr - 05 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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