Cheapest return LCY–KTM flights, September

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

Return flights

02 Sep - 16 Sep SWISS
23 Sep - 06 Oct KLM
23 Sep - 12 Oct KLM
03 Sep - 21 Oct KLM
03 Sep - 14 Oct KLM
01 Sep - 30 Sep KLM
01 Sep - 01 Oct KLM
15 Sep - 22 Sep KLM
08 Sep - 30 Sep KLM
17 Sep - 30 Sep KLM
01 Sep - 05 Oct KLM
23 Sep - 11 Oct KLM
18 Sep - 04 Oct KLM
10 Sep - 10 Oct SWISS
01 Sep - 27 Sep KLM
24 Sep - 13 Oct KLM
04 Sep - 16 Sep SWISS
07 Sep - 30 Sep KLM
07 Sep - 16 Sep KLM
08 Sep - 20 Sep KLM

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

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