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

Return flights

10 Mar - 24 Mar	ITA Airways
04 Mar - 20 Mar	ITA Airways
12 Mar - 22 Mar	ITA Airways
12 Mar - 26 Mar	ITA Airways
02 Mar - 16 Mar	ITA Airways
12 Mar - 16 Mar	ITA Airways
26 Mar - 14 Apr	KLM
29 Mar - 23 Apr	SWISS
15 Mar - 22 Mar	ITA Airways
30 Mar - 30 Apr	SWISS
01 Mar - 29 Mar	SWISS
06 Mar - 20 Mar	SWISS
21 Mar - 11 Apr	KLM
06 Mar - 23 Mar	ITA Airways
30 Mar - 07 Apr	KLM
20 Mar - 19 Apr	KLM
30 Mar - 15 Apr	SWISS
26 Mar - 11 Apr	KLM
03 Mar - 30 Apr	SWISS
27 Mar - 16 Apr	SWISS

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

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 March from 790€

Return flights