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

Return flights

25 Aug - 23 Sep	Wizz Air UK
28 Aug - 25 Sep	Wizz Air
25 Aug - 25 Sep	Wizz Air UK
30 Aug - 22 Sep	Wizz Air UK
25 Aug - 18 Sep	Wizz Air UK
30 Aug - 18 Sep	Wizz Air UK
30 Aug - 19 Sep	Wizz Air UK
26 Aug - 26 Sep	Wizz Air
24 Aug - 23 Sep	Wizz Air
26 Aug - 08 Sep	Wizz Air
25 Aug - 31 Aug	Wizz Air UK
04 Aug - 08 Aug	Wizz Air
17 Aug - 23 Aug	Wizz Air UK
23 Aug - 31 Aug	Wizz Air
02 Aug - 10 Aug	Wizz Air
04 Aug - 18 Aug	Wizz Air
03 Aug - 18 Aug	Wizz Air
05 Aug - 13 Aug	Wizz Air UK
22 Aug - 30 Aug	Wizz Air UK
06 Aug - 27 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 507€

Return flights