AirHint found the following cheapest one-way flights from Hong Kong (HKG) to Ulaanbaatar (UBN) in May 2026 (see full year).
One-Way flights
| 13 May | Korean Air | ||
| 14 May | Korean Air |
Also check the deals for return flights from Hong Kong to Ulaanbaatar in May.
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