Cheapest return flights from Seoul to Ulaanbaatar in October from 187€
AirHint found the following cheapest return flights from Seoul (ICN) to Ulaanbaatar (UBN)
in October 2025 (see full year ).
Return flights
28 Oct
- 30 Oct
Jeju Air
187 €
direct
12 Oct
- 16 Oct
Jeju Air
211 €
direct
23 Oct
- 30 Oct
Jeju Air
212 €
direct
19 Oct
- 23 Oct
Jeju Air
212 €
direct
23 Oct
- 28 Oct
Jeju Air
226 €
direct
16 Oct
- 21 Oct
Jeju Air
242 €
direct
19 Oct
- 26 Oct
Jeju Air
246 €
direct
13 Oct
- 20 Oct
Aero Mongolia
250 €
direct
11 Oct
- 18 Oct
MIAT Mongolian Airlines
258 €
direct
09 Oct
- 16 Oct
Jeju Air
266 €
direct
29 Oct
- 02 Nov
Asiana Airlines
278 €
direct
29 Oct
- 05 Nov
Korean Air
323 €
direct
31 Oct
- 03 Nov
Korean Air
323 €
direct
25 Oct
- 01 Nov
Korean Air
323 €
direct
27 Oct
- 01 Nov
Korean Air
325 €
direct
31 Oct
- 09 Nov
Korean Air
326 €
direct
Also check the deals for one-way flights from Seoul to Ulaanbaatar in October .
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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