AirHint found the following cheapest return flights from Hong Kong (HKG) to Kathmandu (KTM) in September 2026 (see full year).
Return flights
| 11 Sep - 19 Sep | HK Express | ||
| 25 Sep - 10 Oct | Thai Airways | ||
| 24 Sep - 02 Oct | Thai Airways | ||
| 25 Sep - 11 Oct | Malaysia Airlines |
Also check the deals for one-way flights from Hong Kong to Kathmandu in September.
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