AirHint found the following cheapest return flights from Seoul (ICN) to Kathmandu (KTM) in June 2026 (see full year).

Return flights

09 Jun - 30 Jun	China Southern
23 Jun - 27 Jun	China Southern
02 Jun - 09 Jun	Air China
08 Jun - 17 Jun	Air China
03 Jun - 10 Jun	China Southern
01 Jun - 08 Jun	China Southern
23 Jun - 27 Jun	Korean Air	direct
02 Jun - 09 Jun	Korean Air	direct
09 Jun - 30 Jun	Korean Air	direct

Also check the deals for one-way flights from Seoul to Kathmandu in June.

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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Cheapest return flights from Seoul to Kathmandu in June from 419€

Return flights