Cheapest return flights from Seoul to Kathmandu in September from 445€

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

Return flights

09 Sep - 10 Oct Air China
12 Sep - 13 Oct Air China
28 Sep - 10 Oct Air China
26 Sep - 06 Oct Air China
26 Sep - 13 Oct Air China
19 Sep - 31 Oct Air China
28 Sep - 07 Oct Air China
24 Sep - 10 Oct Air China
24 Sep - 09 Oct Air China
23 Sep - 05 Oct Air China
05 Sep - 13 Sep Air China
08 Sep - 15 Sep Air India
09 Sep - 16 Sep Air India
08 Sep - 14 Sep Air India
15 Sep - 24 Sep Air India
18 Sep - 28 Sep Air India
01 Sep - 10 Sep Singapore Airlines
19 Sep - 29 Sep Air India
19 Sep - 28 Sep Air India
01 Sep - 01 Sep 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.