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

Return flights

12 Nov - 16 Nov	SriLankan Airlines
05 Nov - 14 Nov	China Eastern
06 Nov - 15 Nov	Sichuan Airlines
18 Nov - 11 Dec	Air India
18 Nov - 03 Dec	Air India
30 Nov - 11 Dec	Air India
30 Nov - 12 Dec	Air India
04 Nov - 03 Dec	Air India
20 Nov - 20 Dec	Air India
18 Nov - 18 Dec	Air India
11 Nov - 10 Dec	Air India
25 Nov - 03 Dec	Air India
15 Nov - 20 Nov	Air India
05 Nov - 27 Nov	Air China
12 Nov - 19 Nov	Air China
09 Nov - 12 Nov	Air China
02 Nov - 15 Nov	Air China
01 Nov - 19 Dec	Thai Airways
15 Nov - 22 Nov	Air India
04 Nov - 26 Nov	Air India

Also check the deals for one-way flights from Seoul to Kathmandu 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 Seoul to Kathmandu in November from 316€

Return flights