Cheapest return flights from London to Kathmandu in September from $847

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

Return flights

03 Sep - 24 Sep KLM
07 Sep - 22 Sep SWISS
06 Sep - 19 Sep KLM
29 Sep - 14 Oct KLM
12 Sep - 26 Sep KLM
15 Sep - 18 Oct Lufthansa
04 Sep - 17 Sep KLM
08 Sep - 07 Oct British Airways
09 Sep - 15 Oct KLM
07 Sep - 07 Oct KLM
09 Sep - 07 Oct KLM
11 Sep - 18 Sep KLM

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

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