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

Return flights

15 Apr - 03 May	Eurowings
15 Apr - 10 May	Eurowings
15 Apr - 04 May	Eurowings
14 Apr - 20 May	Eurowings
15 Apr - 16 May	Eurowings
12 Apr - 27 Apr	SWISS
08 Apr - 05 May	SWISS
25 Apr - 12 May	Eurowings
14 Apr - 09 May	Eurowings
25 Apr - 23 May	Eurowings
18 Apr - 16 May	SWISS
14 Apr - 24 Apr	Eurowings
06 Apr - 27 Apr	Aer Lingus
05 Apr - 25 Apr	Air Serbia
09 Apr - 23 Apr	SWISS
10 Apr - 23 Apr	Vueling Airlines
09 Apr - 29 Apr	Air India
14 Apr - 27 Apr	Air India
08 Apr - 28 Apr	KLM
15 Apr - 27 Apr	Air India

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

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 April from 568€

Return flights