Cheapest return flights from Ulaanbaatar to Seoul in August from 366€
AirHint found the following cheapest return flights from Ulaanbaatar (UBN) to Seoul (ICN) in August 2025 (see full year).
Return flights
| 11 Aug - 25 Aug | Jeju Air | direct | |
| 29 Aug - 03 Sep | MIAT Mongolian Airlines | direct | |
| 18 Aug - 25 Aug | Jeju Air | direct | |
| 07 Aug - 13 Aug | Korean Air | direct |
Also check the deals for one-way flights from Ulaanbaatar to Seoul in August.
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.
