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

Return flights

23 Apr - 30 Apr	AJet
28 Apr - 13 May	Vueling Airlines
19 Apr - 03 May	Wizz Air UK
19 Apr - 30 Apr	Wizz Air UK
19 Apr - 12 May	Wizz Air UK
28 Apr - 20 May	Vueling Airlines
22 Apr - 28 Apr	Wizz Air Malta
12 Apr - 03 May	Wizz Air UK
28 Apr - 11 May	Vueling Airlines
25 Apr - 17 May	Wizz Air Malta
28 Apr - 26 May	Vueling Airlines
24 Apr - 13 May	AJet
28 Apr - 21 May	Vueling Airlines
11 Apr - 28 Apr	Ryanair
24 Apr - 26 Apr	Wizz Air UK
08 Apr - 16 Apr	Wizz Air
11 Apr - 21 Apr	Wizz Air UK
08 Apr - 21 Apr	Wizz Air
09 Apr - 30 Apr	Wizz Air UK
07 Apr - 20 Apr	Ryanair

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 453€

Return flights