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

Return flights

21 Nov - 28 Nov	Thai AirAsia
22 Nov - 29 Nov	Air China
04 Nov - 08 Nov	Air India
26 Nov - 03 Dec	Air China
29 Nov - 06 Dec	Air China
29 Nov - 09 Dec	Air China
15 Nov - 28 Nov	China Southern
25 Nov - 29 Nov	China Southern
25 Nov - 09 Dec	China Southern
29 Nov - 13 Dec	China Southern
25 Nov - 02 Dec	China Southern
20 Nov - 23 Nov	Air India
27 Nov - 04 Dec	Air India
25 Nov - 09 Dec	Korean Air	direct
29 Nov - 09 Dec	Korean Air	direct
29 Nov - 13 Dec	Korean Air	direct
25 Nov - 29 Nov	Korean Air	direct
15 Nov - 18 Nov	Korean Air	direct
22 Nov - 29 Nov	Korean Air	direct
04 Nov - 08 Nov	Korean Air	direct

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

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 Kathmandu to Seoul in November from 370€

Return flights