Cheapest return flights from Seoul to Kathmandu in May from $516

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

Return flights

29 May - 06 Jun China Southern
12 May - 19 May Malaysia Airlines
23 May - 25 May Air China
09 May - 16 May Air China
13 May - 20 May China Southern
05 May - 23 May Air India
08 May - 16 May China Southern
02 May - 12 May Thai Airways
26 May - 30 May Korean Air direct
12 May - 19 May Korean Air direct
05 May - 23 May Korean Air direct

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

Powered by

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.

Book a cheap hotel in Kathmandu

Cheap car rent in Kathmandu

Feel free to contact us with any feedback or request another flight research.