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

Return flights

23 Apr - 30 Apr	ITA Airways
03 Apr - 20 Apr	ITA Airways
23 Apr - 09 May	ITA Airways
20 Apr - 03 May	ITA Airways
01 Apr - 12 Apr	ITA Airways
14 Apr - 23 May	KLM
16 Apr - 05 May	KLM
27 Apr - 17 May	KLM
16 Apr - 17 May	KLM
13 Apr - 28 Apr	SWISS
06 Apr - 10 Apr	SWISS
30 Apr - 20 May	KLM
01 Apr - 17 Apr	ITA Airways
04 Apr - 18 Apr	SWISS
02 Apr - 16 Apr	Lufthansa
07 Apr - 18 Apr	Lufthansa
14 Apr - 25 Apr	SWISS
16 Apr - 16 May	SWISS

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

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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Cheapest return flights from London to Kathmandu in April from 927€

Return flights