AirHint found the following cheapest one-way flights from Seoul (ICN) to Kathmandu (KTM) in May 2026 (see full year).
One-Way flights
| 27 May | Air China | ||
| 07 May | Thai VietJet Air | ||
| 25 May | Air China | ||
| 19 May | Jeju Air | ||
| 18 May | VietJet Air | ||
| 26 May | Thai Airways | ||
| 30 May | Thai Airways | ||
| 31 May | Thai Airways | ||
| 04 May | Thai Airways | ||
| 19 May | Korean Air | direct |
Also check the deals for return flights from Seoul to Kathmandu in May.
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