Cheapest one-way flights from London to Kathmandu in September from $516

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

One-Way flights

11 Sep ITA Airways
19 Sep British Airways
26 Sep British Airways
25 Sep British Airways
30 Sep ITA Airways
06 Sep KLM
09 Sep SWISS
15 Sep SWISS
17 Sep SWISS
24 Sep British Airways

Also check the deals for return flights from London to Kathmandu in September.

Skyscanner

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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