Cheapest return flights from Seoul to Kathmandu in April from $347

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

Return flights

04 Apr - 11 Apr China Eastern
24 Apr - 06 May China Eastern
19 Apr - 09 May China Southern
18 Apr - 09 May China Southern
18 Apr - 16 May China Southern
05 Apr - 16 May China Southern
17 Apr - 07 May China Southern
17 Apr - 09 May China Southern
21 Apr - 26 May China Southern
24 Apr - 24 May China Southern
20 Apr - 24 May China Southern
03 Apr - 16 Apr China Southern
01 Apr - 05 Apr China Southern
01 Apr - 06 Apr China Southern
01 Apr - 07 Apr China Southern
01 Apr - 10 Apr China Southern
01 Apr - 13 Apr China Southern
01 Apr - 14 Apr China Southern
01 Apr - 15 Apr China Southern
01 Apr - 16 Apr China Southern

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

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