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

Return flights

09 May - 24 May	KLM
08 May - 24 May	KLM
14 May - 31 May	KLM
04 May - 21 May	SWISS
15 May - 24 May	SWISS
01 May - 21 May	SWISS
16 May - 24 May	SWISS
01 May - 24 May	SWISS
02 May - 23 May	SWISS
09 May - 23 May	SWISS
18 May - 01 Jun	KLM
23 May - 09 Jun	SWISS
23 May - 23 Jun	SWISS
18 May - 08 Jun	SWISS
19 May - 03 Jun	SWISS
29 May - 26 Jun	SWISS

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

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 May from 872€

Return flights