AirHint found the following cheapest return flights from Seoul (ICN) to Kathmandu (KTM) in November 2025 (see full year).
Return flights
| 30 Nov - 23 Dec | China Southern | ||
| 30 Nov - 04 Dec | Thai Airways | ||
| 30 Nov - 10 Dec | China Southern |
Also check the deals for one-way flights from Seoul to Kathmandu in November.
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