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

Return flights

27 Apr - 09 May	Ryanair
19 Apr - 20 May	Ryanair
18 Apr - 05 May	Ryanair
29 Apr - 26 May	Ryanair
18 Apr - 09 May	Ryanair
25 Apr - 09 May	Ryanair
27 Apr - 14 May	Ryanair
28 Apr - 14 May	Ryanair
08 Apr - 08 May	Ryanair
20 Apr - 18 May	Ryanair
18 Apr - 29 Apr	Ryanair
12 Apr - 29 Apr	Ryanair
01 Apr - 29 Apr	Ryanair
13 Apr - 22 Apr	Ryanair
12 Apr - 24 Apr	Ryanair
08 Apr - 15 Apr	Ryanair
15 Apr - 22 Apr	Ryanair
10 Apr - 27 Apr	Ryanair
15 Apr - 18 Apr	Ryanair
09 Apr - 18 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 461€

Return flights