Cheapest return flights from Seoul to Kathmandu in March from $509

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

Return flights

16 Mar - 20 Mar China Southern
06 Mar - 27 Mar China Southern
06 Mar - 13 Mar China Southern
13 Mar - 17 Mar China Southern
17 Mar - 21 Mar China Southern
17 Mar - 24 Mar China Southern
17 Mar - 23 Mar China Southern
07 Mar - 21 Mar China Southern
03 Mar - 10 Mar China Southern
03 Mar - 24 Mar China Southern
14 Mar - 26 Apr Air China
14 Mar - 11 Apr Air China
28 Mar - 11 Apr Air China
01 Mar - 01 Apr Air India
03 Mar - 21 Apr Air China
02 Mar - 20 Apr Air China
31 Mar - 28 Apr Thai Airways
25 Mar - 04 Apr China Southern
25 Mar - 02 Apr China Southern
14 Mar - 11 Apr Korean Air direct

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

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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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