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

Return flights

26 Mar - 15 Apr	ITA Airways
30 Mar - 12 Apr	ITA Airways
30 Mar - 21 Apr	SWISS
02 Mar - 16 Mar	SWISS
12 Mar - 22 Mar	SWISS
02 Mar - 25 Mar	SWISS
05 Mar - 23 Mar	SWISS
10 Mar - 22 Mar	SWISS
09 Mar - 22 Mar	SWISS
05 Mar - 12 Mar	SWISS
12 Mar - 26 Mar	SWISS
06 Mar - 22 Mar	SWISS
07 Mar - 10 Mar	SWISS
21 Mar - 11 Apr	British Airways
20 Mar - 11 Apr	British Airways
22 Mar - 04 Apr	British Airways
27 Mar - 11 Apr	British Airways
28 Mar - 11 Apr	British Airways
20 Mar - 04 Apr	British Airways
26 Mar - 11 Apr	British Airways

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 $1148

Return flights