Cheapest return flights from Seoul to Ulaanbaatar in November from $346

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 November 2025 (see full year).

Return flights

13 Nov - 14 Nov Korean Air direct
17 Nov - 24 Nov Asiana Airlines direct
14 Nov - 17 Nov Asiana Airlines direct
17 Nov - 28 Nov Asiana Airlines direct
28 Nov - 01 Dec Asiana Airlines direct
12 Nov - 14 Nov Asiana Airlines direct
08 Nov - 13 Nov MIAT Mongolian Airlines direct
01 Nov - 07 Nov Korean Air direct
27 Nov - 29 Nov Korean Air direct
13 Nov - 22 Nov Korean Air direct
27 Nov - 30 Nov Korean Air direct

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

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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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