AirHint found the following cheapest one-way flights from Seoul (GMP) to Kathmandu (KTM) in December 2025 (see full year).
One-Way flights
| 01 Dec | China Eastern | ||
| 02 Dec | China Eastern | ||
| 05 Dec | China Eastern | ||
| 09 Dec | China Eastern | ||
| 17 Dec | Asiana Airlines | ||
| 27 Dec | Korean Air | ||
| 30 Dec | Korean Air |
Also check the deals for return flights from Seoul to Kathmandu 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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