AirHint found the following cheapest return flights from Seoul (ICN) to Kathmandu (KTM) in June 2026 (see full year).
Return flights
| 23 Jun - 27 Jun | Air India | ||
| 16 Jun - 20 Jun | Air India | ||
| 13 Jun - 17 Jun | Air India | ||
| 23 Jun - 27 Jun | Korean Air | direct | |
| 16 Jun - 20 Jun | Korean Air | direct |
Also check the deals for one-way flights from Seoul to Kathmandu in June.
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