AirHint found the following cheapest one-way flights from Seoul (ICN) to Kathmandu (KTM) in April 2026 (see full year).
One-Way flights
| 24 Apr | Air China | ||
| 23 Apr | Air India | ||
| 25 Apr | Air India | ||
| 20 Apr | Thai Airways | ||
| 21 Apr | Korean Air | direct | |
| 25 Apr | Korean Air | direct |
Also check the deals for return flights from Seoul to Kathmandu in April.
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