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

Return flights

12 Feb - 05 Mar	China Southern
13 Feb - 20 Feb	China Southern
24 Feb - 09 Mar	Cebu Pacific
23 Feb - 08 Mar	Philippines AirAsia Inc.
01 Feb - 07 Feb	China Southern
02 Feb - 06 Feb	China Southern
03 Feb - 07 Feb	China Southern
14 Feb - 24 Feb	Air China
14 Feb - 25 Feb	Air China
11 Feb - 13 Feb	Air China
14 Feb - 22 Feb	Air China
15 Feb - 22 Feb	Air China
13 Feb - 17 Feb	Air China
14 Feb - 28 Mar	Air China
14 Feb - 01 Mar	Air China
26 Feb - 17 Mar	Air China
14 Feb - 03 Mar	Air China
15 Feb - 04 Mar	Air China
20 Feb - 11 Mar	Air China
12 Feb - 14 Mar	Air China

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

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 February from $422

Return flights