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

01 Sep - 08 Sep SWISS
15 Sep - 04 Oct KLM
24 Sep - 25 Oct KLM
07 Sep - 27 Sep SWISS
13 Sep - 27 Sep SWISS
06 Sep - 22 Oct SWISS
08 Sep - 14 Oct KLM
01 Sep - 22 Sep KLM
01 Sep - 20 Sep SWISS
01 Sep - 03 Oct SWISS
24 Sep - 15 Oct KLM
03 Sep - 21 Sep KLM
07 Sep - 03 Oct KLM
06 Sep - 05 Oct SWISS
18 Sep - 05 Oct KLM
08 Sep - 18 Sep KLM
16 Sep - 04 Oct Lufthansa
04 Sep - 22 Sep KLM
19 Sep - 27 Sep KLM
14 Sep - 22 Sep KLM

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

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