AirHint found the following cheapest one-way flights from Seoul (ICN) to Ulaanbaatar (UBN) in August 2026 (see full year).
One-Way flights
| 09 Aug | Aero Mongolia | direct | |
| 17 Aug | Air China | ||
| 05 Aug | Air China | ||
| 17 Aug | Korean Air | direct | |
| 05 Aug | Asiana Airlines | direct |
Also check the deals for return flights from Seoul to Ulaanbaatar 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.
Find us on social media