Cheapest return flights from London to Kathmandu in September from $795

AirHint found the following cheapest return flights from London (LCY) to Kathmandu (KTM) in September 2025 (see full year).

Return flights

09 Sep - 24 Sep ITA Airways
08 Sep - 14 Sep British Airways
09 Sep - 14 Sep British Airways
06 Sep - 10 Sep KLM
01 Sep - 05 Sep British Airways
05 Sep - 10 Sep British Airways
08 Sep - 25 Sep SWISS
08 Sep - 02 Oct SWISS
01 Sep - 01 Oct SWISS
15 Sep - 22 Sep SWISS
01 Sep - 29 Oct SWISS
04 Sep - 29 Oct SWISS
17 Sep - 29 Oct SWISS
16 Sep - 28 Oct SWISS
08 Sep - 28 Sep SWISS
16 Sep - 27 Oct SWISS
20 Sep - 29 Oct SWISS
30 Sep - 29 Oct SWISS
29 Sep - 29 Oct SWISS

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

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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.

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