Cheapest return flights from Seoul to Kathmandu in September from 443€

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

Return flights

07 Sep - 19 Sep Air China
12 Sep - 15 Sep China Southern
23 Sep - 04 Oct SriLankan Airlines
24 Sep - 09 Oct Air China
24 Sep - 05 Oct Air China
30 Sep - 10 Oct Air China
30 Sep - 11 Oct SriLankan Airlines
15 Sep - 19 Sep China Southern
18 Sep - 22 Sep China Southern
19 Sep - 10 Oct Air China
17 Sep - 26 Sep Air India
19 Sep - 22 Sep Air China
17 Sep - 22 Sep Air China
13 Sep - 16 Sep China Southern
17 Sep - 21 Sep Thai Airways
18 Sep - 26 Sep Thai Airways
29 Sep - 20 Oct China Southern
26 Sep - 06 Oct China Southern
24 Sep - 04 Oct Air China
29 Sep - 17 Oct Thai Airways

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

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