Cheapest one-way flights from Seoul to Kathmandu in September from 154€

AirHint found the following cheapest one-way flights from Seoul (ICN) to Kathmandu (KTM) in September 2025 (see full year).

One-Way flights

10 Sep SriLankan Airlines
04 Sep T'way Air
01 Sep T'way Air
18 Sep China Eastern
12 Sep Air India
05 Sep Air India
09 Sep Air India
08 Sep Thai Airways
21 Sep Thai Airways
20 Sep Thai Airways

Also check the deals for return flights from Seoul to Kathmandu in September.

Skyscanner

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.