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

Return flights

09 Mar - 13 Mar	Eurowings
08 Mar - 28 Mar	KLM
08 Mar - 20 Mar	KLM
06 Mar - 24 Mar	KLM
13 Mar - 27 Mar	LOT
13 Mar - 28 Mar	Scandinavian Airlines
25 Mar - 21 Apr	KLM
25 Mar - 15 Apr	KLM
26 Mar - 15 Apr	Vueling Airlines
08 Mar - 05 Apr	KLM
02 Mar - 17 Mar	Gulf Air
04 Mar - 25 Mar	Etihad Airways
04 Mar - 26 Mar	Etihad Airways
10 Mar - 26 Mar	Etihad Airways
21 Mar - 05 Apr	KLM
21 Mar - 04 Apr	KLM
09 Mar - 21 Apr	Gulf Air
03 Mar - 22 Apr	Gulf Air
15 Mar - 03 Apr	KLM
20 Mar - 14 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 545€

Return flights