Cheapest return flights from Kathmandu to Seoul in May from $572

Best time to book flights for Kathmandu (KTM) to Seoul (ICN) flights at AirHint

AirHint found the following cheapest return flights from Kathmandu (KTM) to Seoul (ICN) in May 2025 (see full year).

Return flights

28 May - 02 Jun Air China
08 May - 15 May Air China
30 May - 15 Jun Thai Airways
09 May - 16 May Thai Airways
30 May - 14 Jun Thai Airways
31 May - 14 Jun Thai Airways
02 May - 06 May Thai Airways
19 May - 30 May Thai Airways
23 May - 30 May Thai Airways
09 May - 23 May Thai Airways
12 May - 26 May Thai Airways
16 May - 30 May Thai Airways
16 May - 26 May Thai Airways
09 May - 23 Jun Thai Airways
12 May - 26 Jun Thai Airways
19 May - 03 Jun Thai Airways
19 May - 06 Jun Thai Airways
19 May - 02 Jun Thai Airways
23 May - 06 Jun Thai Airways
05 May - 09 May Air India

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

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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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