Cheapest return flights from Seoul to Ulaanbaatar in December from 268€
AirHint found the following cheapest return flights from Seoul (ICN) to Ulaanbaatar (UBN)
in December 2025 (see full year ).
Return flights
21 Dec
- 24 Dec
Jeju Air
268 €
direct
21 Dec
- 28 Dec
Jeju Air
268 €
direct
13 Dec
- 16 Dec
Asiana Airlines
279 €
direct
01 Dec
- 07 Dec
Asiana Airlines
279 €
direct
24 Dec
- 11 Jan
Asiana Airlines
279 €
direct
26 Dec
- 29 Dec
Korean Air
335 €
direct
08 Dec
- 15 Dec
Korean Air
335 €
direct
12 Dec
- 21 Dec
Korean Air
335 €
direct
18 Dec
- 20 Dec
Korean Air
335 €
direct
25 Dec
- 28 Dec
Korean Air
335 €
direct
01 Dec
- 06 Dec
Korean Air
335 €
direct
29 Dec
- 02 Jan
Korean Air
335 €
direct
31 Dec
- 03 Jan
Korean Air
335 €
direct
24 Dec
- 02 Jan
Korean Air
335 €
direct
Also check the deals for one-way flights from Seoul to Ulaanbaatar in December .
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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