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

Return flights

13 Mar - 30 Mar	SWISS
02 Mar - 25 Mar	Virgin Atlantic
15 Mar - 15 Apr	Lufthansa
10 Mar - 22 Mar	Etihad Airways
15 Mar - 28 Mar	Lufthansa
13 Mar - 17 Apr	Austrian Airlines
05 Mar - 20 Mar	Lufthansa
05 Mar - 22 Mar	Lufthansa
05 Mar - 21 Mar	Gulf Air
05 Mar - 26 Mar	Virgin Atlantic
02 Mar - 23 Mar	Virgin Atlantic
13 Mar - 23 Mar	Virgin Atlantic
19 Mar - 04 Apr	SWISS
18 Mar - 08 Apr	SWISS
05 Mar - 02 Apr	Oman Air
07 Mar - 03 Apr	Lufthansa
13 Mar - 03 Apr	Austrian Airlines
14 Mar - 02 Apr	Etihad Airways
05 Mar - 04 Apr	Oman Air
21 Mar - 04 Apr	Oman Air

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 533€

Return flights