Cheapest return flights from Seoul to Kathmandu in September from 393€

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

Return flights

11 Sep - 20 Sep China Southern
29 Sep - 13 Oct Air China
23 Sep - 04 Oct Air China
19 Sep - 22 Sep Air China
19 Sep - 26 Sep Air India
22 Sep - 06 Oct Thai Airways
29 Sep - 13 Oct Korean Air direct
19 Sep - 22 Sep Korean Air direct
19 Sep - 26 Sep Korean Air direct
22 Sep - 06 Oct Korean Air direct

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

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.