AirHint found the following cheapest return flights from London (LTN) to Kathmandu (KTM) in August 2025 (see full year).

Return flights

21 Aug - 17 Sep	Wizz Air UK
26 Aug - 30 Sep	Wizz Air
28 Aug - 29 Sep	Wizz Air UK
19 Aug - 20 Sep	Wizz Air UK
18 Aug - 19 Sep	Wizz Air UK
18 Aug - 27 Sep	Wizz Air UK
27 Aug - 10 Sep	Wizz Air UK
27 Aug - 17 Sep	Wizz Air UK
30 Aug - 27 Sep	Wizz Air
28 Aug - 24 Sep	Wizz Air UK
03 Aug - 10 Aug	Wizz Air UK
18 Aug - 28 Aug	Wizz Air UK
03 Aug - 05 Aug	Wizz Air
03 Aug - 15 Aug	Wizz Air UK
20 Aug - 27 Aug	Wizz Air UK
05 Aug - 15 Aug	Wizz Air UK
18 Aug - 30 Aug	Wizz Air UK
09 Aug - 22 Aug	Wizz Air UK
21 Aug - 30 Aug	Wizz Air UK
20 Aug - 26 Aug	Wizz Air UK

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

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 August from 503€

Return flights