Cheapest return flights from Seoul to Kathmandu in August from $529

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

Return flights

08 Aug - 18 Aug Malaysia Airlines
28 Aug - 06 Sep China Southern
22 Aug - 25 Aug Thai Airways
24 Aug - 28 Aug Thai Airways
25 Aug - 29 Aug Thai Airways
25 Aug - 30 Aug Thai Airways
03 Aug - 07 Aug Thai Airways
04 Aug - 08 Aug Thai Airways
27 Aug - 29 Aug Thai Airways
17 Aug - 22 Aug Thai Airways
18 Aug - 22 Aug Thai Airways

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

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